QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#754200#9556. The Hanged Manucup-team3564#AC ✓156ms110824kbC++144.0kb2024-11-16 14:29:032024-11-16 14:29:05

Judging History

你现在查看的是最新测评结果

  • [2024-11-16 14:29:05]
  • 评测
  • 测评结果：AC
  • 用时：156ms
  • 内存：110824kb
查看
  • [2024-11-16 14:29:03]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
const long long mod=1e9+7;
long long T,a,b,c,d[1000001],v[1000001],o,h[1000001],fa[1000001],q,w,e,an,cn,fac[1000001],inv[1000001],st[1000001],u[1000001],ls[1000001],si[1000001];
char s[1000001];
struct p{long long q,w;}l[1000001];
long long pow_(long long qq,long long ww){long long ee=1;while(ww){if(ww&1) ee*=qq,ee%=mod;qq*=qq,qq%=mod,ww>>=1;}return ee%mod;}
inline int read(){int x=0,f=1;char c=getchar();while(c<'0'||c>'9'){if(c=='-')f=-1;c=getchar();}while(c>='0'&&c<='9'){x=(x<<3)+(x<<1)+c-'0';c=getchar();}return x*f;}
void add(long long qq,long long ww){l[++o].q=ww,l[o].w=h[qq],h[qq]=o;}
long long gcd(long long qq,long long ww){return !ww?qq:gcd(ww,qq%ww);}
long long find(long long qq){return qq==fa[qq]?qq:fa[qq]=find(fa[qq]);}
void merge(long long qq,long long ww){long long f1=find(qq),f2=find(ww);if(f1==f2) return;fa[f1]=f2;}
long long C(long long qq,long long ww){return fac[qq]*inv[ww]%mod*inv[qq-ww]%mod;}
vector<int> qu[1000001];
void dfs(int qq,int ww)
{
	vector<int> tmp;
	ls[qq]=qq;
	for(int i=0;i<qu[qq].size();i++)
	{
		int tt=qu[qq][i];
		if(tt==ww) continue;
		dfs(tt,qq);
		if(ls[tt]) tmp.push_back(ls[tt]);
	}
	while(tmp.size()>1)
	{
		int t1=tmp.back();
		tmp.pop_back();
		int t2=tmp.back();
		tmp.pop_back();
		l[++cn]=p{t1,t2};
	}
	if(tmp.size()>0)
	{
		l[++cn]=p{ww,tmp[0]};
		ls[qq]=0;
	}
}
void dfs3(int qq,int ww)
{
	vector<int> tmp;
	ls[qq]=qq;
	for(int i=0;i<qu[qq].size();i++)
	{
		int tt=qu[qq][i];
		if(tt==ww||v[tt]) continue;
		dfs3(tt,qq);
		if(ls[tt]) tmp.push_back(ls[tt]);
	}
	while(tmp.size()>1)
	{
		int t1=tmp.back();
		tmp.pop_back();
		int t2=tmp.back();
		tmp.pop_back();
		l[++cn]=p{t1,t2};
	}
	if(tmp.size()>0)
	{
		l[++cn]=p{ww,tmp[0]};
		ls[qq]=0;
	}
}
int fl=0,dp[1000001][4],id[1000001][4],t1=0,t2=0,cnn;
void dfs1(int qq,int ww)
{
	dp[qq][0]=dp[qq][1]=dp[qq][2]=dp[qq][3]=0;
	id[qq][0]=id[qq][1]=id[qq][2]=id[qq][3]=0;
	si[qq]=1;
	for(int i=0;i<qu[qq].size();i++)
	{
		int tt=qu[qq][i];
		if(tt==ww) continue;
		dfs1(tt,qq);
		si[qq]+=si[tt];
	}
	for(int i=0;i<qu[qq].size();i++)
	{
		int tt=qu[qq][i];
		if(tt==ww) continue;
		if(dp[tt][0]&&(si[qq]-si[tt])%2==1)
		{
			dp[qq][1]=1;
			id[qq][1]=id[tt][0];
		}
		if(dp[tt][1]&&(si[qq]-si[tt])%2==1)
		{
			dp[qq][2]=1;
			id[qq][2]=id[tt][1];
		}
		if(dp[tt][2]&&(a-si[tt])%2==1)
		{
			fl=1;
//			cout<<qq<<" "<<id[tt][2]<<" "<<tt<<"\n";
			t1=qq,t2=id[tt][2];
		}
	}
	if(si[qq]%2==1) dp[qq][0]=1,id[qq][0]=qq;
	int lst[3];
	lst[0]=lst[1]=lst[2]=0;
	for(int i=0;i<qu[qq].size();i++)
	{
		int tt=qu[qq][i];
		if(tt==ww) continue;
		if(dp[tt][0]&&lst[1])
		{
			fl=1;
			t1=lst[1],t2=id[tt][0];
		}
		if(dp[tt][1]&&lst[0])
		{
//			cout<<lst[0]<<" "<<dp[tt][1]<<" "<<qq<<" "<<tt<<"\n";
			fl=1;
			t1=lst[0],t2=id[tt][1];
		}
		if(dp[tt][1])
		{
			lst[1]=id[tt][1];
		}
		if(dp[tt][0])
		{
			lst[0]=id[tt][0];
		}
	}
}
bool fll=0;
void dfs2(int qq,int ww)
{
	st[++cnn]=qq;
	if(qq==t2)
	{
		fll=1;
		return;
	}
	for(int i=0;i<qu[qq].size();i++)
	{
		int tt=qu[qq][i];
		if(tt==ww) continue;
		dfs2(tt,qq);
		if(fll) return;
	}--cnn;
}
int main()
{
//	freopen("1.in","r",stdin);
	scanf("%lld",&T);
	for(int ii=1;ii<=T;ii++)
	{
		scanf("%lld",&a);cn=0;
		for(int i=1;i<=a;i++) qu[i].clear();
		for(int i=1;i<a;i++)
		{
			scanf("%lld%lld",&q,&w);
			qu[q].push_back(w);
			qu[w].push_back(q);
		}cnn=0;
		fll=0;
		if(a%2==1)
		{
			dfs(1,0);
			printf("%lld\n",cn);
			for(int i=1;i<=cn;i++) printf("%lld %lld\n",l[i].q,l[i].w);
		}
		else
		{
			fl=0;
			dfs1(1,0);
//			cout<<dp[2][1]<<" "<<id[2][1]<<"\n";
			if(!fl) printf("-1\n");
			else
			{
//				cout<<t1<<" "<<t2<<"\n";
				for(int i=1;i<=a;i++) v[i]=0;
				l[++cn]=p{t1,t2};
				dfs2(t1,0);
				for(int i=1;i<=cnn;i++) v[st[i]]=1;
				for(int i=1;i<=cnn;i++) dfs3(st[i],0);
				printf("%lld\n",cn);
				for(int i=1;i<=cn;i++) printf("%lld %lld\n",l[i].q,l[i].w);
			}
		}
	}
	return 0;
}
Source code, Language: C++14

这程序好像有点Bug，我给组数据试试？

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 40704kb

input:

3
4
1 2
2 3
2 4
7
1 2
1 3
1 4
4 5
4 6
4 7
6
1 2
2 3
2 4
1 5
5 6

output:

-1
3
7 6
1 5
3 2
2
2 6
4 3

result:

ok Good Job! (3 test cases)

Test #2:

score: 0
Accepted
time: 3ms
memory: 34472kb

input:

3
6
1 2
1 3
1 4
4 5
4 6
2
1 2
2
2 1

output:

-1
-1
-1

result:

ok Good Job! (3 test cases)

Test #3:

score: 0
Accepted
time: 43ms
memory: 32476kb

input:

100000
3
1 3
2 1
3
2 3
1 2
3
2 3
1 3
3
2 1
1 3
3
1 2
2 3
3
1 3
2 3
3
2 1
1 3
3
2 3
1 2
3
2 3
1 3
3
2 1
1 3
3
2 3
1 2
3
1 3
2 3
3
1 3
2 1
3
2 3
1 2
3
2 3
1 3
3
1 3
2 1
3
1 2
2 3
3
1 3
2 3
3
2 1
1 3
3
1 2
2 3
3
1 3
2 3
3
1 3
2 1
3
2 3
1 2
3
1 3
2 3
3
1 3
2 1
3
2 3
1 2
3
1 3
2 3
3
2 1
1 3
3
2 3
1 2
3
2...

output:

1
2 3
1
1 3
1
1 2
1
3 2
1
1 3
1
1 2
1
3 2
1
1 3
1
1 2
1
3 2
1
1 3
1
1 2
1
2 3
1
1 3
1
1 2
1
2 3
1
1 3
1
1 2
1
3 2
1
1 3
1
1 2
1
2 3
1
1 3
1
1 2
1
2 3
1
1 3
1
1 2
1
3 2
1
1 3
1
1 2
1
2 3
1
1 3
1
1 2
1
2 3
1
1 3
1
1 2
1
3 2
1
1 3
1
1 2
1
2 3
1
1 3
1
1 2
1
3 2
1
1 3
1
1 2
1
3 2
1
1 3
1
1 2
1
2 3
1
1 3
...

result:

ok Good Job! (100000 test cases)

Test #4:

score: 0
Accepted
time: 32ms
memory: 40664kb

input:

75000
4
3 1
2 1
1 4
4
3 1
2 4
1 2
4
2 1
1 3
3 4
4
1 4
2 1
3 4
4
2 1
3 2
1 4
4
3 2
2 4
1 2
4
2 3
3 4
1 2
4
3 4
2 4
1 2
4
3 1
1 4
2 3
4
3 2
1 3
2 4
4
2 3
1 3
3 4
4
1 3
3 4
2 4
4
3 1
1 4
2 4
4
3 2
2 4
1 4
4
2 3
3 4
1 4
4
3 4
2 4
1 4
4
1 4
2 1
3 1
4
2 4
3 1
1 2
4
2 1
3 4
1 3
4
2 1
1 4
3 4
4
1 4
2 1
3 2
...

output:

-1
1
3 4
1
2 4
1
3 2
1
3 4
-1
1
1 4
1
1 3
1
2 4
1
1 4
-1
1
1 2
1
3 2
1
1 3
1
1 2
-1
-1
1
3 4
1
2 4
1
2 3
1
4 3
-1
1
1 4
1
1 3
1
2 4
1
1 4
-1
1
1 2
1
3 2
1
1 3
1
1 2
-1
-1
1
3 4
1
2 4
1
3 2
1
4 3
-1
1
1 4
1
1 3
1
2 4
1
1 4
-1
1
1 2
1
2 3
1
1 3
1
1 2
-1
-1
1
4 3
1
4 2
1
3 2
1
3 4
-1
1
1 4
1
1 3
1
4 2
...

result:

ok Good Job! (75000 test cases)

Test #5:

score: 0
Accepted
time: 43ms
memory: 32776kb

input:

60000
5
2 1
3 1
4 1
1 5
5
1 2
4 1
2 5
3 1
5
1 3
3 5
4 1
2 1
5
2 1
4 5
1 4
3 1
5
3 1
1 5
2 1
4 5
5
3 1
4 2
1 5
2 1
5
1 2
3 1
2 5
4 2
5
4 1
1 2
3 5
2 3
5
3 1
2 4
4 5
1 2
5
4 5
3 1
2 5
1 2
5
1 5
2 1
3 1
4 3
5
1 3
4 1
2 5
3 2
5
4 3
2 1
1 3
3 5
5
3 4
1 3
4 5
2 1
5
2 1
1 3
4 5
3 5
5
3 4
4 1
1 5
2 1
5
3 1
...

output:

2
5 4
3 2
2
1 5
3 4
2
1 5
2 4
2
1 5
3 2
2
1 4
2 3
2
1 4
5 3
2
4 5
3 2
2
2 5
2 4
2
2 5
2 3
2
2 4
2 3
2
1 4
2 5
2
3 5
4 3
2
5 4
3 2
2
3 5
2 3
2
3 4
3 2
2
1 3
2 5
2
4 5
4 3
2
4 5
4 2
2
3 5
2 4
2
4 3
2 4
2
1 3
4 2
2
5 4
5 3
2
5 4
5 2
2
5 3
5 2
2
3 4
5 2
2
1 3
4 5
2
5 3
4 2
2
1 5
1 4
2
1 5
1 3
2
1 3
1 4
...

result:

ok Good Job! (60000 test cases)

Test #6:

score: 0
Accepted
time: 45ms
memory: 42716kb

input:

50000
6
1 6
5 1
4 1
2 1
3 1
6
5 1
3 1
1 2
2 6
4 1
6
4 1
5 1
1 3
2 1
3 6
6
4 6
2 1
5 1
3 1
1 4
6
5 6
1 5
4 1
3 1
2 1
6
4 1
5 6
2 1
1 6
3 1
6
1 6
3 1
2 1
5 2
4 1
6
3 1
5 2
1 2
2 6
4 1
6
4 1
2 3
5 1
1 2
3 6
6
4 6
1 2
3 1
2 4
5 1
6
1 2
5 6
2 5
3 1
4 1
6
1 2
2 6
4 1
3 1
5 6
6
5 3
3 1
1 6
2 1
4 1
6
5 1
3 ...

output:

-1
2
6 4
3 5
2
6 2
5 4
2
3 6
5 2
2
6 2
3 4
2
5 3
2 4
2
5 4
3 6
-1
2
1 6
5 4
2
1 6
5 3
2
1 6
4 3
2
1 5
3 4
2
5 4
2 6
2
1 6
4 5
-1
2
1 6
5 2
2
1 6
4 2
2
1 5
2 4
2
5 2
6 3
2
1 6
5 3
2
1 6
5 2
-1
2
1 6
3 2
2
1 5
3 2
2
4 6
2 3
2
1 6
4 3
2
1 6
2 4
2
1 6
3 2
-1
2
1 4
2 3
2
4 2
5 3
2
1 5
3 4
2
1 5
4 2
2
1 5...

result:

ok Good Job! (50000 test cases)

Test #7:

score: 0
Accepted
time: 44ms
memory: 34604kb

input:

42857
7
3 1
2 1
5 1
6 1
4 1
1 7
7
4 1
1 2
6 1
3 1
2 7
5 1
7
3 7
2 1
1 3
4 1
6 1
5 1
7
4 7
1 4
6 1
5 1
2 1
3 1
7
4 1
1 5
6 1
3 1
5 7
2 1
7
6 7
5 1
2 1
4 1
1 6
3 1
7
6 7
2 1
1 7
3 1
5 1
4 1
7
4 1
5 1
6 2
3 1
2 1
1 7
7
1 2
4 1
6 2
3 1
2 7
5 1
7
6 1
2 3
4 1
5 1
1 2
3 7
7
6 1
4 7
3 1
1 2
5 1
2 4
7
1 2
3 ...

output:

3
7 4
6 5
2 3
3
1 7
5 3
6 4
3
1 7
5 6
4 2
3
1 7
3 2
5 6
3
1 7
2 3
6 4
3
1 7
3 4
2 5
3
1 6
4 5
3 2
3
1 6
7 3
5 4
3
7 6
5 3
4 2
3
2 7
2 5
4 6
3
2 7
5 2
3 6
3
2 7
4 6
3 2
3
2 7
4 5
3 2
3
2 6
2 3
5 4
3
1 6
2 5
4 7
3
3 7
3 5
4 6
3
6 7
5 3
4 2
3
3 7
6 3
5 2
3
3 7
3 4
2 6
3
3 7
2 4
3 5
3
3 6
3 4
2 5
3
1 6
...

result:

ok Good Job! (42857 test cases)

Test #8:

score: 0
Accepted
time: 49ms
memory: 40664kb

input:

37500
8
5 1
1 8
7 1
4 1
6 1
2 1
3 1
8
3 1
2 8
4 1
6 1
1 2
7 1
5 1
8
3 8
4 1
2 1
1 3
6 1
5 1
7 1
8
1 4
5 1
7 1
6 1
4 8
2 1
3 1
8
1 5
5 8
4 1
2 1
3 1
7 1
6 1
8
1 6
3 1
4 1
2 1
5 1
6 8
7 1
8
1 7
6 1
4 1
3 1
5 1
7 8
2 1
8
5 1
4 1
2 1
1 8
6 1
7 8
3 1
8
1 8
4 1
2 1
5 1
7 2
3 1
6 1
8
6 1
5 1
7 2
4 1
2 8
3 ...

output:

-1
3
8 5
7 6
4 3
3
8 7
5 6
2 4
3
8 3
2 6
7 5
3
8 6
7 3
2 4
3
8 7
5 2
4 3
3
8 2
5 3
4 6
3
7 3
6 2
4 5
3
7 6
3 5
4 8
-1
3
1 8
4 7
6 5
3
1 8
6 3
7 5
3
1 8
7 4
3 6
3
1 8
3 5
7 4
3
1 8
6 3
5 4
3
1 7
3 6
5 4
3
4 7
8 6
5 2
3
1 8
7 5
4 6
-1
3
1 8
7 6
2 5
3
1 8
2 6
4 7
3
1 8
2 7
5 4
3
1 8
2 5
6 4
3
1 7
6 4
2...

result:

ok Good Job! (37500 test cases)

Test #9:

score: 0
Accepted
time: 36ms
memory: 36960kb

input:

300
1000
815 567
883 63
783 506
485 779
142 248
218 214
617 238
481 567
20 203
119 212
953 179
44 830
427 156
97 916
763 172
484 512
916 21
417 958
408 257
238 634
891 213
90 208
394 56
758 819
435 26
636 718
880 212
458 662
123 212
239 156
548 314
852 436
722 828
271 429
493 27
910 421
354 143
956 ...

output:

-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
...

result:

ok Good Job! (300 test cases)

Test #10:

score: 0
Accepted
time: 69ms
memory: 44356kb

input:

3
100000
21854 12448
41900 78683
26279 40303
96957 78925
50096 72644
14704 14585
44195 23551
3290 42026
25017 64658
4593 10713
29129 13530
62892 43675
23793 13329
97502 10091
78766 44620
59301 95815
25781 93162
12231 24059
77637 66545
53889 84545
65596 58277
31337 87701
29049 43837
99301 2408
41562 ...

output:

-1
-1
-1

result:

ok Good Job! (3 test cases)

Test #11:

score: 0
Accepted
time: 87ms
memory: 57260kb

input:

1
300000
264872 86229
63995 164384
180167 260692
169708 168083
149321 50390
177160 60629
178607 170744
176734 60911
231963 17936
49668 90468
205798 261858
7645 12727
240590 1798
8446 139678
32309 208096
226620 119112
204528 63548
110330 250899
219366 144880
258130 23221
203423 40874
45194 78650
1571...

output:

-1

result:

ok Good Job! (1 test case)

Test #12:

score: 0
Accepted
time: 49ms
memory: 40620kb

input:

30000
10
1 6
4 8
7 5
6 10
3 1
8 2
2 9
9 10
5 9
10
3 7
2 6
6 9
1 6
4 10
9 10
5 6
7 2
8 3
10
8 10
6 3
2 1
3 2
1 10
7 4
5 2
9 8
4 9
10
4 1
6 8
2 10
9 10
7 2
5 2
8 7
1 6
3 1
10
6 2
3 6
9 6
7 10
8 2
2 1
5 3
1 4
4 10
10
2 8
3 6
5 7
7 8
1 6
8 10
9 2
4 6
6 10
10
1 5
4 3
6 4
7 1
2 3
5 9
8 2
3 10
9 6
10
2 7
5...

output:

4
10 3
2 4
9 7
10 2
4
1 7
9 4
5 9
7 8
4
5 10
2 6
9 7
10 9
4
1 7
3 4
2 9
7 5
4
8 4
6 5
2 9
4 7
4
1 8
4 3
8 9
8 5
4
9 7
3 8
4 10
9 4
4
2 8
6 5
9 3
8 6
4
10 5
3 9
3 2
4 3
4
1 7
3 2
9 4
6 9
4
5 9
3 10
3 8
1 3
4
8 2
3 4
5 3
2 6
4
8 10
3 5
7 4
2 7
4
1 7
9 5
9 8
10 4
4
5 6
2 8
2 9
3 2
4
5 9
1 7
10 3
8 6
4
...

result:

ok Good Job! (30000 test cases)

Test #13:

score: 0
Accepted
time: 45ms
memory: 32564kb

input:

3000
99
79 72
72 6
1 90
94 89
31 28
59 89
78 85
73 35
57 45
45 99
38 57
11 70
26 14
92 13
35 52
30 18
61 15
29 86
60 22
5 57
17 84
36 84
70 37
10 86
80 91
34 87
65 8
42 88
87 25
88 43
8 47
33 78
62 47
15 73
83 77
24 33
97 38
23 77
20 34
85 32
55 22
63 10
66 30
39 5
28 62
89 15
37 49
16 75
74 66
47 4...

output:

49
88 95
93 3
54 80
6 79
6 19
8 54
47 65
28 48
47 28
59 94
15 81
89 61
35 15
36 17
66 40
84 74
51 66
52 30
29 35
9 50
86 63
7 29
33 41
78 24
37 11
82 69
78 37
23 83
77 78
47 85
4 86
57 97
55 60
27 16
20 22
87 20
14 87
58 26
39 76
57 39
45 67
2 57
4 2
44 4
43 56
88 53
13 88
12 13
1 12
49
92 4
76 93
8...

result:

ok Good Job! (3000 test cases)

Test #14:

score: 0
Accepted
time: 110ms
memory: 52364kb

input:

3
100000
83890 7467
75295 89651
4062 83955
60269 26734
58357 54437
22200 48174
87338 74094
86583 7977
1136 84701
34461 47665
82355 28324
32412 16170
5270 73823
37181 86410
22445 59139
27816 47294
540 79932
73768 41579
14577 92388
31765 75494
49018 24756
57215 90140
86438 22430
3974 15829
59053 22856...

output:

49999
1 56062
83504 38802
56062 20007
69462 14972
60361 69462
97416 84289
6885 30600
35264 10714
66631 35264
2499 98128
85155 94600
98874 29909
50266 53267
64339 1482
73850 63766
98874 73850
28352 16458
3694 59467
28178 84024
27019 28178
57407 88409
87033 57407
27019 87033
77577 27019
99947 13546
21...

result:

ok Good Job! (3 test cases)

Test #15:

score: 0
Accepted
time: 128ms
memory: 69024kb

input:

1
300000
30683 45175
202516 82288
209967 151196
160370 148366
36159 83057
277846 18399
58641 259342
220025 290125
299864 69137
276256 59853
163412 98854
211643 219357
45085 203080
17046 259484
175009 201826
220413 253746
280406 235850
107084 114346
6196 164024
149354 242637
8884 201047
102007 121900...

output:

149999
118681 90053
227014 226276
90053 150593
40395 244586
180306 250768
15501 29145
91648 103525
5103 103529
190942 98513
36514 44921
220166 124260
66079 87671
248273 66079
248273 112432
248273 44506
220166 171425
185705 127461
268960 275988
53526 268960
119551 238013
28535 86866
119551 72450
4811...

result:

ok Good Job! (1 test case)

Test #16:

score: 0
Accepted
time: 156ms
memory: 110824kb

input:

1
300000
98923 244101
265083 199522
178854 130825
233559 275176
51110 162632
100454 144508
203138 94733
112144 116959
221684 184011
122356 174675
240265 56410
83529 213874
174757 59833
87918 98194
231431 71105
145121 105056
205429 60598
114418 168280
249115 124674
160102 183789
27460 854
72909 12628...

output:

149999
246148 202866
282235 250509
79377 282235
7803 79377
163185 7803
237928 163185
126395 237928
216252 126395
45065 216252
70103 45065
159963 70103
279383 159963
66689 279383
248398 66689
139570 248398
181061 139570
256780 181061
157191 256780
212942 157191
107414 212942
113706 107414
166170 1137...

result:

ok Good Job! (1 test case)

Test #17:

score: 0
Accepted
time: 125ms
memory: 68816kb

input:

1
300000
51552 258960
174014 1763
298103 122466
80039 102474
90881 123355
37816 182571
209856 199049
68745 246931
231305 147333
256217 77569
277988 49579
174054 154053
74959 60605
281490 278569
131850 7894
138112 208044
207380 67110
1334 204240
117581 152706
90835 142455
54402 68306
264004 244539
99...

output:

149999
157546 210046
1 166674
272550 133980
81643 89842
249852 29228
197637 296358
169062 99056
169062 229433
133308 68683
234112 160299
269471 97829
234112 95348
193768 76921
55041 96888
28112 252824
148899 145563
101865 148899
200439 35225
244628 212754
113323 200439
218749 221710
218749 190990
21...

result:

ok Good Job! (1 test case)

Test #18:

score: 0
Accepted
time: 114ms
memory: 53876kb

input:

3
100000
43104 39350
58310 72159
1910 78304
366 33335
3494 5822
948 92660
11882 15212
69203 4346
45739 21275
65867 55409
61694 88089
71479 40349
35887 88786
52148 61962
82180 65178
93823 47701
43116 75915
86963 34539
50583 74229
40562 91601
12139 88394
52559 57679
25481 60170
31207 85832
4201 92027
...

output:

49999
28314 38435
85068 88822
94601 85068
66247 5914
7332 66247
83016 6591
37513 47425
22751 42824
20481 50688
98154 72262
54685 49231
34174 37602
67200 2175
29453 54685
22751 29453
37513 22751
36864 65889
31013 19280
43698 52950
15669 99605
71031 23492
25301 33274
61319 30164
36220 61319
25301 2340...

result:

ok Good Job! (3 test cases)

Test #19:

score: 0
Accepted
time: 124ms
memory: 83496kb

input:

1
299999
153306 123584
100430 137396
151712 125355
180598 178628
178522 156317
6811 124889
41530 107031
35237 104587
235884 157908
130785 274651
141969 58315
203297 225663
192833 74643
223470 99863
272704 178999
163551 250862
133718 39962
199271 24737
159107 66084
139074 91207
229404 47856
273704 12...

output:

149999
42721 211007
238901 42721
166398 238901
132405 166398
104873 132405
231355 104873
270603 231355
223096 270603
220115 223096
145808 220115
292994 145808
183310 292994
251757 183310
296895 251757
232914 296895
180602 232914
235879 180602
55611 235879
174343 55611
229539 174343
107960 229539
412...

result:

ok Good Job! (1 test case)

Test #20:

score: 0
Accepted
time: 50ms
memory: 42732kb

input:

3000
100
9 37
30 16
87 75
66 20
89 79
78 72
48 5
62 100
61 95
69 93
23 86
18 48
32 24
91 43
54 93
92 63
15 7
6 92
67 35
65 89
8 26
21 98
1 65
40 85
36 41
77 39
56 44
69 70
46 67
80 60
94 96
14 36
34 99
84 62
22 74
23 79
46 19
27 51
11 14
18 70
85 8
73 6
97 40
71 83
41 98
61 87
2 90
45 5
20 44
17 81
...

output:

49
89 9
82 2
68 82
23 68
89 23
49 25
43 49
66 43
44 66
3 44
11 3
36 11
98 36
96 98
72 96
50 72
47 50
16 47
27 16
33 27
54 33
69 54
18 69
5 18
71 5
34 71
26 34
85 26
97 85
60 97
7 60
77 7
74 77
12 74
84 12
100 84
76 100
81 76
92 81
73 92
95 73
87 95
24 87
53 24
4 53
19 4
67 19
10 67
9 10
49
49 55
9 8...

result:

ok Good Job! (3000 test cases)

Test #21:

score: 0
Accepted
time: 110ms
memory: 64844kb

input:

1
299999
123584 153306
137396 100430
114758 125355
180598 13155
156317 178522
124889 6811
41530 27377
104587 35237
157908 235884
130785 44576
141969 129416
225663 203297
120350 74643
20300 99863
295855 178999
198163 250862
133718 148059
24737 199271
66084 159107
91207 139074
229404 89529
273704 1565...

output:

149999
37266 211007
11999 200879
60007 42721
27264 186847
168918 238901
128434 104377
166398 16950
54607 32487
36096 132405
259128 56533
104873 54072
248224 278891
51169 231355
6029 272859
270603 269039
274636 152728
212267 223096
21399 267911
220115 8757
44070 124154
145808 51060
235148 56725
29299...

result:

ok Good Job! (1 test case)

Test #22:

score: 0
Accepted
time: 68ms
memory: 35704kb

input:

10
29999
29014 14470
26823 2725
13020 1832
9002 521
22160 26983
2964 2174
20830 22020
19201 4850
19060 10457
23936 2163
22700 29072
28735 4318
15942 8678
10533 9761
8946 29013
12121 555
14303 26560
18146 20485
16984 345
22717 347
21795 27399
20125 489
6200 24303
21419 17994
28274 28769
28326 25399
1...

output:

14999
23907 28453
2920 15770
10326 4578
27593 24984
21879 1186
23588 8661
22099 6245
11850 26588
27395 27247
10476 753
12794 18957
22591 15447
17765 22536
19499 17275
16647 445
27680 25765
16086 16011
13029 28687
22326 2733
8253 1258
8517 18060
19084 14385
3375 1407
10732 19322
26691 12939
2893 1455...

result:

ok Good Job! (10 test cases)

Test #23:

score: 0
Accepted
time: 105ms
memory: 48940kb

input:

1
299999
258553 127891
200368 10642
134395 33327
66807 64283
298570 239432
106569 74919
101275 256095
215172 160205
258907 145255
294970 120844
120747 17359
231598 191111
103394 179995
276483 13575
153143 236649
32255 165538
13973 180565
114480 173795
280161 260850
239991 6207
137809 102438
160694 2...

output:

149999
183289 150566
196533 171296
39022 56831
173825 58665
277670 93045
205575 198120
157760 4823
83922 228580
296022 143740
215781 144871
45095 153730
203807 188815
150634 13985
35007 51715
14698 298874
176218 216594
286626 24603
70137 36653
158405 238113
286765 247760
55136 9393
240527 118506
617...

result:

ok Good Job! (1 test case)

Test #24:

score: 0
Accepted
time: 78ms
memory: 36488kb

input:

10
29999
21547 280
5396 29060
21129 24483
1948 5302
5994 20221
12679 20525
23088 2218
24614 17646
9854 7760
23220 29541
9824 25475
9144 8680
17400 22930
3583 13702
14210 16949
4145 4827
4927 15200
5195 13939
23998 23812
20779 22916
19383 23442
29184 11705
12676 19405
4120 11612
24747 1107
25087 1775...

output:

14999
24339 15275
9719 18281
29805 26302
17159 26068
10371 18583
20307 3819
23121 23226
27192 21418
29344 25389
6685 25218
18677 25438
3529 4690
16874 2938
19948 22675
25116 21424
19869 11769
22264 25083
17137 6026
29154 16957
7319 13590
20635 8964
1837 11422
28903 21070
4617 11337
153 22963
23826 1...

result:

ok Good Job! (10 test cases)

Test #25:

score: 0
Accepted
time: 47ms
memory: 34556kb

input:

27000
11
3 5
11 3
2 3
7 1
10 8
8 6
9 8
3 1
8 4
1 8
11
3 1
1 2
5 6
11 1
6 9
10 6
4 8
1 5
1 7
5 8
11
1 3
6 11
4 6
10 1
1 8
2 6
7 11
1 9
11 1
6 5
11
3 7
6 8
11 3
9 6
3 8
6 4
1 8
5 9
10 3
2 9
11
8 5
6 8
11 5
8 2
7 11
4 5
8 9
3 10
3 11
8 1
11
7 3
2 3
9 1
8 10
8 1
9 5
3 9
4 1
6 8
11 3
11
8 5
8 1
6 8
11 8
...

output:

5
2 11
1 5
4 9
6 10
8 7
5
10 9
5 4
1 6
7 11
2 3
5
5 2
11 4
1 7
9 8
10 3
5
2 5
4 9
10 11
8 7
1 6
5
11 10
5 7
8 4
9 2
1 6
5
11 2
9 7
1 5
6 10
4 8
5
2 4
9 10
3 7
11 6
1 5
5
4 5
6 10
9 11
2 3
1 8
5
7 6
3 10
4 2
1 9
8 11
5
2 7
6 5
11 3
1 4
9 10
5
11 4
9 10
3 7
2 8
1 6
5
9 7
11 8
10 4
1 2
6 5
5
4 11
2 10
...

result:

ok Good Job! (27000 test cases)

Test #26:

score: 0
Accepted
time: 47ms
memory: 42796kb

input:

30000
6
5 3
6 2
4 1
1 3
2 1
4
4 2
1 4
1 3
11
9 1
10 11
11 3
11 9
4 6
3 7
2 11
1 6
1 5
8 9
17
6 15
10 7
8 17
13 11
3 8
15 4
16 3
12 4
15 10
2 6
6 9
5 13
5 14
2 1
10 5
8 15
14
14 5
1 6
12 4
8 14
5 9
13 5
4 9
1 13
7 13
5 3
11 14
5 10
2 13
12
3 6
5 1
8 3
12 2
12 7
5 4
9 4
11 10
6 12
12 5
4 11
17
15 11
1...

output:

2
4 6
1 5
1
2 3
5
11 7
2 10
8 11
1 4
5 9
8
15 12
5 11
10 14
15 7
8 16
15 17
9 15
1 6
6
6 2
11 8
9 12
10 3
9 14
7 5
5
1 6
4 10
5 9
7 2
6 8
8
5 9
13 2
8 5
10 11
12 4
8 3
8 7
1 14
6
1 4
6 12
11 2
9 7
10 6
3 5
-1
2
5 4
1 3
5
8 3
4 7
5 2
6 11
5 9
4
1 3
8 5
9 8
2 10
6
3 11
12 7
12 13
9 10
8 9
6 2
5
9 6
9 ...

result:

ok Good Job! (30000 test cases)

Test #27:

score: 0
Accepted
time: 93ms
memory: 44780kb

input:

1
253253
50359 179100
159762 56963
156480 129546
194694 165531
171829 15612
8904 244239
167203 79755
59278 193676
6064 179420
93089 11873
208865 161063
72803 55831
6938 69443
182632 252034
15492 123140
26694 88239
59982 95642
209852 233064
205527 137224
222851 93508
28102 71250
250703 159154
54445 3...

output:

126626
1 224591
214222 221471
214222 206351
180757 223950
75226 116462
119613 122548
237142 55050
237142 34283
32686 123618
45588 14301
150358 45588
103725 64851
200894 218833
200894 216887
159350 55223
242105 46252
125857 242105
252162 157290
59820 81722
252795 31025
252162 123017
159333 221177
174...

result:

ok Good Job! (1 test case)

Test #28:

score: 0
Accepted
time: 53ms
memory: 40864kb

input:

300
1855
1007 450
4 615
1845 844
426 65
1135 79
1020 1386
935 343
936 16
219 1370
1495 131
1409 13
1087 31
63 804
145 1689
1750 1731
694 623
243 626
418 1383
1396 990
1234 385
867 969
779 337
615 732
657 286
1134 1651
269 582
903 1755
478 1384
1360 1060
144 1082
217 1537
185 61
1634 1813
313 876
879...

output:

927
511 531
145 1060
839 350
1501 1837
1760 668
898 1613
143 1705
1102 708
1725 263
764 746
1790 1183
1790 934
600 1184
1451 418
1672 1383
977 968
1149 331
1725 898
446 1149
1689 349
1689 870
1711 139
202 927
453 202
486 539
1201 545
1066 503
1135 1711
131 101
131 361
1135 29
910 316
603 1289
464 12...

result:

ok Good Job! (300 test cases)

Test #29:

score: 0
Accepted
time: 125ms
memory: 68932kb

input:

1
297722
2542 280838
47066 211579
45334 161254
161254 3387
161254 81700
286925 161254
188708 161254
163323 239454
177641 142518
161254 141588
161254 289112
161254 132883
161254 264103
161254 7898
131553 35341
274424 85972
161254 111454
161254 245526
195088 87188
83391 252892
74347 144981
248942 2949...

output:

148860
1 82860
45334 227606
81700 9424
172169 2411
286925 172169
161254 66446
141588 17961
295852 43895
161254 295852
131292 114802
161254 131292
161254 27124
161254 77408
245526 189672
91650 78091
96680 91650
57108 22471
161254 57108
161254 16736
276842 105669
228834 99931
76077 295187
161254 29548...

result:

ok Good Job! (1 test case)

Test #30:

score: 0
Accepted
time: 91ms
memory: 46904kb

input:

1
297687
114063 114325
61315 256781
17004 254276
279378 173674
50685 133866
254276 270764
254276 168958
160573 254276
183000 144763
254276 41646
138547 226105
254276 62934
250757 284583
254276 147160
254276 62486
163839 23030
246684 80048
219153 38897
254276 184254
297273 295022
146005 254276
229491...

output:

148843
254276 218838
160573 102396
147160 236361
62486 294131
254276 284465
29159 84360
101489 18377
106304 181740
254276 221679
254276 153762
26858 21780
254276 143098
165032 176765
254276 196416
254276 136377
254276 59069
254276 125274
269274 141815
211654 235389
154836 66078
152675 296678
254276 ...

result:

ok Good Job! (1 test case)

Test #31:

score: 0
Accepted
time: 89ms
memory: 48992kb

input:

1
298467
24310 131068
270342 284416
110818 163791
140749 270342
200509 156894
128257 270342
286273 39457
230236 150598
48559 18558
271934 270342
270342 221456
270342 240611
146171 270342
142089 270342
265273 37099
4824 207615
273677 270342
270342 233942
131877 270342
282024 14594
58550 270342
3225 1...

output:

149233
270342 47296
270342 45750
270342 258911
270342 4274
270342 285233
270342 44790
270342 69725
270342 101680
270342 101481
270342 247170
270342 291074
270342 214678
270342 71298
270342 98283
270342 289069
270342 179285
270342 103082
270342 239658
270342 37727
270342 178634
270342 191408
270342 1...

result:

ok Good Job! (1 test case)

Test #32:

score: 0
Accepted
time: 64ms
memory: 57692kb

input:

1
299096
43798 64829
64829 22308
25723 64829
125491 64829
132554 64829
64829 31091
82698 64829
161922 64829
64829 48363
153172 64829
198568 64829
64829 68075
246874 64829
64829 122620
64829 237999
64829 257438
44676 64829
64829 295759
64829 45750
64829 17755
195879 64829
86788 64829
172696 64829
648...

output:

-1

result:

ok Good Job! (1 test case)

Test #33:

score: 0
Accepted
time: 61ms
memory: 51824kb

input:

1
299097
55978 208819
55978 222666
55978 118386
176498 55978
177724 55978
55978 286400
7823 55978
55978 86011
258404 55978
55978 127466
55978 52857
34668 55978
31665 55978
55978 160320
55978 239002
290038 55978
55978 36827
55978 280050
55978 104777
55978 158847
52282 55978
206198 55978
55978 58412
1...

output:

149548
176583 115578
257132 197746
280431 283255
266001 105491
255180 96231
283182 34528
58809 280524
12267 288146
288565 152293
122263 199576
265260 238077
292878 296354
269524 81312
143614 276110
36649 45649
137718 228585
36265 275568
281461 173733
167482 249230
28515 266671
183746 215839
257279 1...

result:

ok Good Job! (1 test case)

Test #34:

score: 0
Accepted
time: 60ms
memory: 49936kb

input:

1
299097
166438 82625
82625 128838
82625 141580
83485 82625
82625 210941
82625 40444
82625 45514
112980 82625
82625 8971
82625 240680
53717 82625
82625 243508
275918 82625
82625 214884
80291 82625
82625 244056
278345 82625
82625 50552
82625 84626
234287 82625
227857 82625
82625 282783
82625 169441
1...

output:

149548
223601 65891
272810 284438
168533 1773
44830 45536
89247 234754
224454 26496
175752 253553
97418 80862
272599 161897
181710 252048
178092 195304
94161 130395
90886 89984
102793 141496
152714 18763
180433 69713
233532 64627
47059 143600
177876 3519
270112 54312
246221 41739
94801 167394
260929...

result:

ok Good Job! (1 test case)

Test #35:

score: 0
Accepted
time: 75ms
memory: 49936kb

input:

1
299097
260330 58892
133029 58892
58892 172471
42729 58892
58892 26074
58892 99490
58892 3974
59464 58892
58892 186328
119256 58892
225649 58892
162394 58892
58892 128284
58892 215895
281775 58892
275533 58892
58892 149488
167782 58892
22771 58892
58892 63000
58892 9677
83128 58892
58892 121018
588...

output:

149548
126573 101082
153018 13893
60280 156195
2182 282301
154097 233607
36172 178422
75835 171123
54263 148250
296959 270356
73847 39979
181257 95981
88036 13333
290396 85091
104163 150819
61461 138126
82389 135359
3037 265411
162380 138907
29852 285976
136970 52265
43588 124756
77938 190790
29923 ...

result:

ok Good Job! (1 test case)

Test #36:

score: 0
Accepted
time: 80ms
memory: 44360kb

input:

10
29462
10852 16001
15495 6444
21756 23481
23752 13053
21560 13691
9711 23194
24917 23476
13053 18916
5 8995
17585 23447
644 13053
27831 13053
22383 10656
15443 21538
10814 3308
4868 2089
23555 13053
25895 13053
12345 13893
13053 14041
13053 8611
4444 15324
23999 27186
27037 13053
23208 22273
22940...

output:

14730
13053 28511
13158 1954
13053 13158
13053 12215
13053 1154
27831 29434
25024 5306
23555 25024
13053 3021
4918 15569
14041 4918
27037 10580
2902 1191
13053 2902
13053 8638
22693 6190
10665 22693
13053 7158
14913 29185
19036 14913
1479 12010
1997 1479
7081 25806
20435 7081
20755 4753
28151 22528
...

result:

ok Good Job! (10 test cases)

Test #37:

score: 0
Accepted
time: 67ms
memory: 42936kb

input:

100
2959
1769 2187
2304 2429
2635 1931
271 2342
1671 153
707 1154
2597 1668
1048 204
1242 1301
926 2013
1557 2752
488 1893
613 1809
1416 2395
120 1179
982 321
2686 86
2313 2009
878 848
1447 2207
728 1885
2812 1683
1290 1627
2701 135
933 1099
1719 393
2355 2519
1368 384
311 1080
823 1642
459 2670
266...

output:

1479
2347 1882
1202 2347
2737 1202
1608 2737
1059 1608
405 1059
69 405
312 69
1077 312
1853 1077
968 1853
2946 968
1427 2946
2773 1427
652 2773
1556 652
2031 1556
2414 2031
2950 2414
2841 2950
595 2841
2291 595
1662 2291
330 1662
363 330
1507 363
2405 1507
2824 2405
1340 1884
1372 1340
2115 1372
209...

result:

ok Good Job! (100 test cases)

Test #38:

score: 0
Accepted
time: 51ms
memory: 40844kb

input:

1000
294
200 192
200 46
43 256
85 47
98 12
127 200
111 127
257 124
168 32
45 274
197 49
200 27
144 38
156 256
148 202
200 80
31 248
35 66
282 128
60 200
189 37
88 54
238 280
44 245
46 263
220 53
144 200
200 55
58 184
200 153
84 173
31 284
24 170
200 211
22 244
232 242
200 208
188 26
139 154
251 104
...

output:

146
175 200
175 188
100 95
200 100
200 263
111 102
200 111
66 292
27 66
202 72
200 202
36 246
200 36
250 158
144 250
123 265
200 123
153 201
200 48
110 78
179 110
178 124
23 44
200 23
107 118
57 7
200 57
200 2
28 240
157 34
200 157
146 224
237 89
194 237
200 242
98 11
200 98
126 8
29 126
162 16
196 ...

result:

ok Good Job! (1000 test cases)

Test #39:

score: 0
Accepted
time: 94ms
memory: 47004kb

input:

1
299997
253129 238438
256990 147794
56683 265606
62100 74831
58006 231602
227120 138613
72936 16010
271383 221839
110579 31739
13864 11106
196180 159069
78858 61661
262511 279235
45738 172410
2512 6066
144552 29625
194524 184023
196218 229474
256817 33532
166763 175023
188106 91596
93278 158818
280...

output:

149998
39235 110766
75643 184037
147480 55782
125801 277141
263863 136463
99612 219409
174683 214095
141778 72711
71458 241022
43547 158503
133696 232694
259656 59455
235721 85732
266934 289444
277856 35970
153980 121560
95512 298879
180176 92956
30891 203248
190141 240639
217216 161059
204390 13259...

result:

ok Good Job! (1 test case)

Test #40:

score: 0
Accepted
time: 88ms
memory: 47004kb

input:

1
299995
251405 13382
21412 273614
170998 239060
142811 89087
163686 80590
54073 23173
29717 93866
155059 150414
171846 663
218307 10405
252692 83378
131202 289721
52385 252854
293096 280491
216796 237285
242784 243233
52784 6922
68312 26488
205497 147202
65036 297840
58601 67107
164525 57839
167843...

output:

149997
17085 155348
90699 141921
290896 176596
279499 295087
141600 267088
50814 215458
210135 215516
267989 34855
50991 263772
9880 119417
6883 171745
106607 186288
137723 164952
183228 209285
230140 131678
9575 51508
41335 102582
34339 171473
114860 296012
238347 240653
233886 152329
11305 92538
2...

result:

ok Good Job! (1 test case)

Test #41:

score: 0
Accepted
time: 101ms
memory: 48788kb

input:

1
299993
5467 110867
249637 87281
209055 74176
170317 272027
19928 97403
158898 19368
120942 93881
150886 63314
221175 188504
125295 79790
241291 263489
258417 196595
157362 130040
163372 85682
261036 45856
257946 163512
54262 17552
251249 14029
213457 65927
265238 36030
4861 71772
159755 111439
375...

output:

149996
29176 211547
45275 223263
109262 113399
228505 6392
98492 271088
120958 150004
112361 56253
114604 134433
44096 80836
105128 79956
77599 178992
3329 131603
40965 31547
177243 258148
80480 48804
237431 274401
138274 282027
213954 114229
184128 30824
199442 201127
131556 108449
94162 195144
147...

result:

ok Good Job! (1 test case)

Test #42:

score: 0
Accepted
time: 112ms
memory: 46724kb

input:

1
299991
248982 174625
105559 244297
35265 128781
206509 158409
13863 41023
249166 59270
215265 188850
218206 113138
126624 205065
241101 283870
31511 34427
237845 182965
134293 221193
214509 104965
67564 158810
198261 216053
115921 200242
245392 107170
62619 285117
48060 132083
166094 84748
150023 ...

output:

149995
200138 156084
23493 118203
104563 157760
125740 154243
95269 147119
123149 62968
156518 227222
279344 184316
55108 130286
271484 229697
179955 102104
103689 189964
65490 22128
106095 113415
32489 142498
207624 222394
210055 217859
76215 47192
115205 261112
88204 297420
231005 295361
25571 134...

result:

ok Good Job! (1 test case)

Test #43:

score: 0
Accepted
time: 106ms
memory: 48036kb

input:

1
299999
185541 176688
252501 252009
201515 181336
174664 10052
235206 78841
271650 240453
177704 41444
30343 236755
136584 224074
123830 176470
119252 294416
176341 111829
241834 52983
35945 184402
68227 225761
146133 151540
249663 70136
156441 42951
95322 152829
259090 103376
84766 152588
150129 1...

output:

149999
136809 58203
119346 173725
199425 98539
126050 50238
194806 34814
229278 143019
250316 263691
11848 60522
133042 104218
187982 250887
264754 271206
124026 29097
167961 273560
44178 83089
91669 160794
21558 130969
195168 165994
54713 255281
129417 31219
223234 149420
144975 61385
129373 193672...

result:

ok Good Job! (1 test case)

Test #44:

score: 0
Accepted
time: 102ms
memory: 48080kb

input:

1
299997
46586 268160
120257 162918
155586 87070
233774 236522
195573 139640
213343 184602
26338 174317
236326 103114
246267 241694
166020 217647
73806 217138
115817 291894
296219 281396
231138 217264
57086 215561
296205 295067
174916 36910
262907 177629
268640 277927
33944 172724
299448 298104
2913...

output:

149998
36951 106517
61738 56453
211268 203032
25748 212089
118630 117599
135302 76514
1246 238561
252509 70974
130267 83334
141546 45185
24614 119216
16242 153267
35725 183414
205413 183332
141577 111795
27012 168170
176984 17307
97274 192334
112241 124848
72948 1558
109518 220952
221243 170168
2381...

result:

ok Good Job! (1 test case)

Test #45:

score: 0
Accepted
time: 51ms
memory: 32516kb

input:

100
2997
1842 108
983 1626
2076 2280
1960 2673
2029 1154
1506 836
144 1843
173 1775
322 1567
1632 1092
2608 2819
2737 2888
24 2046
400 2487
2396 2569
2072 1695
2223 2237
2175 592
694 2236
2523 2322
2211 2325
2196 2888
1509 1586
2376 2272
2063 2310
2471 2612
2530 2101
1618 25
1830 1404
2646 743
2256 ...

output:

1498
154 1008
1802 692
232 1029
214 841
391 2043
1334 262
2282 2219
2550 1791
2635 2143
1225 1353
1227 1933
2403 1183
2691 804
401 1147
2633 2692
2796 2725
317 87
1511 25
341 770
1952 721
724 55
240 2099
2142 2003
349 215
723 2166
2224 389
2278 333
2348 2413
79 1425
45 1639
1678 808
1389 2155
1080 7...

result:

ok Good Job! (100 test cases)

Extra Test:

score: 0
Extra Test Passed
English 繁體中文 简体中文

Server Time: 2025-01-20 15:45:19 | OpenSource Project