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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#754019#9556. The Hanged Manucup-team4508#AC ✓84ms57536kbC++142.4kb2024-11-16 14:03:592024-11-16 14:03:59

Judging History

你现在查看的是最新测评结果

  • [2024-11-16 14:03:59]
  • 评测
  • 测评结果:AC
  • 用时:84ms
  • 内存:57536kb
  • [2024-11-16 14:03:59]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
#define LL long long
struct edge{
	LL to,nt;
}a[10000005];
LL n,i,j,k,m,t,x,y,cnt=0;
LL nxt[500005],sum[500005],deg[500005];
LL num[500005],id[500005];
bool flag=false;
queue<LL> q1,q2;
queue<LL> ans1,ans2;
void dfs(LL father,LL x){
	if(deg[x]==1 && x!=1){
		sum[x]=0;id[x]=x;return ;
	}
	LL sum1=0,sum2=0;
	for(LL i=nxt[x];i;i=a[i].nt)
	  if(a[i].to!=father){
	  	dfs(x,a[i].to);
	  	sum[x]+=sum[a[i].to];
	  	if(sum[a[i].to]==1) sum1++;
	  	else sum2++;
	  }
	while(!q1.empty()) q1.pop();
	while(!q2.empty()) q2.pop();
	for(LL i=nxt[x];i;i=a[i].nt)
	  if(a[i].to!=father){
	  	if(sum[a[i].to]==1) q1.push(id[a[i].to]);
	  	else q2.push(id[a[i].to]);
	  }
	if(sum1>0){
		if(x==1){
			while(!q1.empty()){
				q2.push(q1.front());q1.pop();
			}
			while(q2.size()>1){
				ans1.push(q2.front());q2.pop();
				ans2.push(q2.front());q2.pop(); 
			}
			if(!q2.empty()) ans1.push(1),ans2.push(q2.front()),q2.pop();
			return ;
		}
		if(!q2.empty()){
			sum[x]=1,id[x]=q2.front();q2.pop();sum2--;
		}
		else{
			sum[x]=1,id[x]=q1.front();q1.pop();sum1--;
		}
		while(!q1.empty()){
			q2.push(q1.front());q1.pop();
		}	
		while(q2.size()>1){
			ans1.push(q2.front());q2.pop();
			ans2.push(q2.front());q2.pop();
		}
		if(!q2.empty()) ans1.push(x),ans2.push(q2.front()),q2.pop();
    }
	else{
		if(x==1 && sum2%2==1){
			flag=true;return ;
		}
		if(sum2%2==1){
			sum[x]=1,id[x]=q2.front();q2.pop();sum2--; 
		}
		else{
			sum[x]=0,id[x]=x;
		}
		for(LL i=1;i<=sum2/2;i++){
			ans1.push(q2.front());q2.pop();
			ans2.push(q2.front());q2.pop();
		}
	}
}
void add(LL x,LL y){
	a[++cnt].to=y;a[cnt].nt=nxt[x];nxt[x]=cnt;
}
int main(){
	scanf("%lld",&t);
	while(t--){
		flag=false;
		cnt=0;
		for(i=1;i<=n;i++)
		  nxt[i]=0,sum[i]=0,id[i]=0,deg[i]=0,num[i]=0;
		while(!q1.empty()) q1.pop();
		while(!q2.empty()) q2.pop();
		while(!ans1.empty()) ans1.pop();
		while(!ans2.empty()) ans2.pop();
		scanf("%lld",&n);
		for(i=1;i<n;i++){
			scanf("%lld%lld",&x,&y);
			add(x,y),add(y,x);deg[x]++,deg[y]++;
		}
		dfs(0,1);
		//for(i=1;i<=n;i++)
		//  printf("%lld %lld %lld\n",deg[i],sum[i],id[i]);
		if(flag==true){
			printf("-1\n");
			continue;
		}
		else{
			printf("%lld\n",ans1.size());
			while(!ans1.empty()){
				printf("%lld %lld\n",ans1.front(),ans2.front());
				ans1.pop(),ans2.pop();
			}
		}
	} 
	return 0;
}

这程序好像有点Bug,我给组数据试试?

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 12004kb

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
6 5
3 2
1 7
2
4 3
2 6

result:

ok Good Job! (3 test cases)

Test #2:

score: 0
Accepted
time: 2ms
memory: 12008kb

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: 38ms
memory: 12008kb

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: 31ms
memory: 11944kb

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

result:

ok Good Job! (75000 test cases)

Test #5:

score: 0
Accepted
time: 34ms
memory: 12064kb

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

result:

ok Good Job! (60000 test cases)

Test #6:

score: 0
Accepted
time: 32ms
memory: 11948kb

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

result:

ok Good Job! (50000 test cases)

Test #7:

score: 0
Accepted
time: 37ms
memory: 11996kb

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

result:

ok Good Job! (42857 test cases)

Test #8:

score: 0
Accepted
time: 33ms
memory: 11976kb

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

result:

ok Good Job! (37500 test cases)

Test #9:

score: 0
Accepted
time: 25ms
memory: 11960kb

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: 54ms
memory: 22112kb

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: 61ms
memory: 33200kb

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: 39ms
memory: 11996kb

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:

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

result:

ok Good Job! (30000 test cases)

Test #13:

score: 0
Accepted
time: 34ms
memory: 12016kb

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:

29
55 60
27 16
14 22
58 26
57 97
45 76
23 83
69 11
33 41
78 24
85 82
36 17
74 40
30 84
59 94
61 81
52 89
50 51
63 9
79 80
93 3
8 19
7 48
47 65
4 77
44 67
43 56
88 95
1 53
30
71 34
42 87
66 57
97 22
17 53
74 14
27 91
6 12
39 96
79 37
41 80
56 81
61 10
15 95
77 38
60 51
85 9
65 30
25 59
88 29
11 13
98...

result:

ok Good Job! (3000 test cases)

Test #14:

score: 0
Accepted
time: 64ms
memory: 26036kb

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:

28400
28550 33144
63342 45401
1742 93161
66752 27244
39887 39379
86374 31692
23387 91734
45166 88497
26021 24639
59578 98194
9654 69349
95830 84739
5345 3397
31523 79055
63217 57857
87673 96729
83659 44663
159 18109
44231 42050
27453 26903
53835 86282
20965 32345
89283 42279
4911 9152
10371 50032
87...

result:

ok Good Job! (3 test cases)

Test #15:

score: 0
Accepted
time: 77ms
memory: 28456kb

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:

85153
155066 104057
24604 52177
227785 210009
46516 246666
57825 65131
73436 60414
174876 52060
80300 54154
186930 61661
71270 144485
155823 36453
113901 55852
235846 158376
93781 11278
46817 213782
84358 236304
81977 152777
102702 101700
68766 143603
67178 180113
117858 40404
168377 189264
7234 221...

result:

ok Good Job! (1 test case)

Test #16:

score: 0
Accepted
time: 68ms
memory: 55304kb

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:

1
253307 250509

result:

ok Good Job! (1 test case)

Test #17:

score: 0
Accepted
time: 74ms
memory: 30976kb

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:

85191
200764 284066
275851 83772
271045 29500
126946 224323
227039 34563
242573 57777
38511 288022
272556 98489
45382 251483
201842 17897
100327 255544
253506 45645
92253 25121
294710 271944
111617 100171
190821 162617
176428 221470
133505 158046
217396 18960
35555 271891
279989 221029
51140 104464
...

result:

ok Good Job! (1 test case)

Test #18:

score: 0
Accepted
time: 58ms
memory: 25660kb

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:

28431
3471 87970
38584 9570
56678 98583
12722 45720
73133 79157
89731 63071
14270 98309
909 85536
83286 5227
13038 29150
44096 38296
81229 14102
54626 25704
71152 37537
92423 87627
73714 86731
97111 66510
40758 1944
72429 88004
12361 70798
1001 44219
51811 97310
13017 28684
62548 79133
3924 22993
11...

result:

ok Good Job! (3 test cases)

Test #19:

score: 0
Accepted
time: 71ms
memory: 57536kb

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:

1
141316 211007

result:

ok Good Job! (1 test case)

Test #20:

score: 0
Accepted
time: 28ms
memory: 12012kb

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:

1
25 2
1
31 82
1
48 82
1
51 95
1
88 58
1
31 51
1
98 14
1
95 33
1
41 29
1
80 22
1
90 11
1
1 57
1
7 75
1
80 25
1
60 26
1
14 53
1
1 63
1
7 17
1
1 8
1
33 100
1
50 54
1
57 11
1
88 30
1
99 28
1
23 69
1
34 87
1
8 32
1
94 77
1
30 70
1
74 4
1
75 34
1
71 99
1
99 23
1
81 5
1
34 29
1
26 46
1
27 56
1
72 19
1
60 ...

result:

ok Good Job! (3000 test cases)

Test #21:

score: 0
Accepted
time: 84ms
memory: 43476kb

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
17055 43304
35439 188599
107518 58512
230073 186928
35597 98141
287164 149381
115771 200178
209283 116186
36147 159889
88779 244709
93170 136934
107491 224861
152777 199032
146413 135168
269441 28926
104131 18334
20526 164775
8029 26186
200589 60522
288620 120471
195883 108039
233945 185748
3...

result:

ok Good Job! (1 test case)

Test #22:

score: 0
Accepted
time: 58ms
memory: 13960kb

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
8776 2775
25755 11678
15475 25594
22562 461
6750 24659
4650 18880
7371 6053
17915 9476
21533 13357
19140 19027
15969 23088
22253 14170
20941 23182
4413 24488
1801 22031
7843 9030
27072 4928
9575 3438
16292 10543
24290 28239
4422 27148
23852 1202
25198 12834
8195 28114
24658 16961
29114 22780
2...

result:

ok Good Job! (10 test cases)

Test #23:

score: 0
Accepted
time: 70ms
memory: 29848kb

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
6273 14505
192141 63344
38564 51318
55693 133139
266643 26551
182248 80761
79494 83942
221115 70777
81884 128514
201407 267587
77046 144790
195852 230398
292964 44283
286383 112650
28683 50540
40987 107455
116981 281366
297920 196438
93500 147819
98448 63652
104599 137303
273780 81869
23190 2...

result:

ok Good Job! (1 test case)

Test #24:

score: 0
Accepted
time: 58ms
memory: 14792kb

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
28081 13356
3518 2145
14537 7411
218 7486
14550 26687
28952 4794
16854 18500
29353 10682
26645 259
21454 26805
24519 23355
23674 8912
8240 10112
16583 412
24319 5766
24801 27650
11187 29052
12385 21545
22365 20323
18599 12686
12797 29684
14783 10340
3636 16212
7820 10481
25094 5282
10736 5387
...

result:

ok Good Job! (10 test cases)

Test #25:

score: 0
Accepted
time: 42ms
memory: 11996kb

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

result:

ok Good Job! (27000 test cases)

Test #26:

score: 0
Accepted
time: 36ms
memory: 12000kb

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

result:

ok Good Job! (30000 test cases)

Test #27:

score: 0
Accepted
time: 66ms
memory: 26604kb

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:

84362
32473 186744
92801 27925
237332 60316
944 34813
104269 1444
136602 249432
229601 178013
1500 86107
215776 75787
177585 253015
113877 223508
111487 187256
28337 47959
207082 192879
165267 188416
53602 25061
217028 40430
113530 106231
102184 112417
61097 224953
192045 69154
7237 66015
41062 5548...

result:

ok Good Job! (1 test case)

Test #28:

score: 0
Accepted
time: 39ms
memory: 12048kb

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:

612
1583 1483
217 536
168 116
940 1353
471 835
825 912
1514 505
709 605
777 1518
1256 459
810 354
437 403
502 107
283 122
848 380
984 1637
252 1768
1103 1100
703 587
357 1756
367 430
77 1368
1699 979
1083 1516
470 1747
1781 38
373 1851
1225 1132
1449 1844
946 1636
967 843
1524 753
435 1656
20 205
15...

result:

ok Good Job! (300 test cases)

Test #29:

score: 0
Accepted
time: 65ms
memory: 28192kb

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:

49500
91960 109025
3449 205011
156009 33235
220758 72234
236885 214952
148386 66454
78596 176706
9080 164403
10549 256068
235291 89635
162608 38141
145498 181400
222164 172496
135094 94362
222504 90835
242256 287554
251067 265729
50707 178089
160760 38505
61100 209515
156109 223633
23470 282417
5942...

result:

ok Good Job! (1 test case)

Test #30:

score: 0
Accepted
time: 68ms
memory: 29720kb

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:

74500
165998 68234
131519 293857
18769 191359
81896 107174
271842 114169
146145 218041
171279 14692
283984 40965
8858 281420
207312 120724
260898 106010
36189 93542
16888 51673
130586 165183
204242 173050
107753 284013
284549 16492
83144 14001
192252 239854
20259 72669
146530 273225
1179 158362
1736...

result:

ok Good Job! (1 test case)

Test #31:

score: 0
Accepted
time: 64ms
memory: 31428kb

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:

99500
29667 275698
184623 175741
221699 98659
1370 104800
41883 133683
108538 249242
200371 101216
252340 40271
101077 156259
264100 44139
254646 57209
216019 179980
86900 38103
2116 220688
85448 160732
205015 29302
149879 171965
249457 88456
215021 38709
174459 242253
110288 68386
41861 84568
17616...

result:

ok Good Job! (1 test case)

Test #32:

score: 0
Accepted
time: 48ms
memory: 29748kb

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: 30336kb

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
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
135939 1...

result:

ok Good Job! (1 test case)

Test #34:

score: 0
Accepted
time: 62ms
memory: 29772kb

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
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
213166...

result:

ok Good Job! (1 test case)

Test #35:

score: 0
Accepted
time: 58ms
memory: 31244kb

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
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
169468 ...

result:

ok Good Job! (1 test case)

Test #36:

score: 0
Accepted
time: 39ms
memory: 12560kb

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:

4950
21877 25949
22728 18443
9955 10208
28830 5599
21542 5910
5039 14162
9846 15713
16777 13386
559 4615
7988 8150
28605 8981
5992 1013
28186 27665
12809 5080
10216 28971
17199 24406
29263 11328
3728 14106
6293 4407
21376 22800
1378 27417
1801 1316
4727 5341
19972 11124
19641 11329
6001 300
11345 25...

result:

ok Good Job! (10 test cases)

Test #37:

score: 0
Accepted
time: 34ms
memory: 12312kb

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:

50
2022 293
1967 13
2879 2535
2624 945
1131 1500
2660 2231
1854 1916
986 2273
1216 1400
957 950
2515 2614
1384 1865
651 486
1879 2397
1903 804
31 2300
1191 1228
1477 234
2235 1766
2066 1984
2377 1428
1457 2525
2193 1885
2329 655
340 2657
2182 1618
2340 1226
2178 2185
579 459
1205 2634
1713 2944
1886...

result:

ok Good Job! (100 test cases)

Test #38:

score: 0
Accepted
time: 31ms
memory: 12068kb

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:

48
278 285
279 142
206 103
62 235
293 169
182 69
125 258
172 191
208 128
140 209
216 222
85 254
260 267
6 291
94 40
3 141
32 177
133 261
74 116
122 259
207 73
205 244
135 93
281 51
193 165
114 150
266 276
5 176
164 92
155 231
105 9
97 63
50 173
21 243
13 16
8 11
242 89
224 34
240 2
7 118
44 124
78 4...

result:

ok Good Job! (1000 test cases)

Test #39:

score: 0
Accepted
time: 76ms
memory: 30056kb

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
283056 260985
32750 296366
219583 182518
133866 263792
295705 82040
228108 119633
25502 297217
60281 261652
288102 77330
174485 206303
223998 207570
74269 163121
84284 171860
37176 108671
190668 158175
158454 253392
58587 264346
154959 43425
105371 250149
22202 135656
148533 62955
131210 2233...

result:

ok Good Job! (1 test case)

Test #40:

score: 0
Accepted
time: 67ms
memory: 29764kb

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
48177 53070
143344 226068
212830 182839
139574 209809
33961 36468
223571 77556
29945 173403
86925 155956
77624 164951
76765 207502
292318 208819
124276 148639
74228 293356
242570 29461
237079 178716
109573 273127
245628 126396
222385 157593
162463 19020
66911 275579
55221 274878
9945 213615
1...

result:

ok Good Job! (1 test case)

Test #41:

score: 0
Accepted
time: 80ms
memory: 31952kb

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
58037 27244
137755 240632
173521 136608
137040 41742
285091 154599
117714 263328
291786 172246
280030 235445
141348 95399
259811 141509
186318 182906
262442 279716
228142 175924
240074 191004
75460 165227
255840 245702
14968 170815
144658 181130
68431 16190
221704 110617
222504 48065
143434 2...

result:

ok Good Job! (1 test case)

Test #42:

score: 0
Accepted
time: 71ms
memory: 30992kb

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
53930 161812
913 170439
53206 117744
167575 33178
282673 81025
83460 63387
184489 101756
76933 241872
91584 208278
242332 120786
298718 237911
89316 290635
145921 241799
235848 805
21778 293359
227677 115930
20192 45797
8236 243350
256985 113473
238334 4685
100909 68608
286677 245971
17785 16...

result:

ok Good Job! (1 test case)

Test #43:

score: 0
Accepted
time: 76ms
memory: 30680kb

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
132693 101239
96383 132733
93266 136296
100060 91691
176568 124513
216893 207285
104408 230646
63152 37503
36546 191989
75608 131587
260455 207708
269126 273048
120093 134769
35526 48755
36118 58550
154772 50842
177176 83247
133515 178051
91634 78567
226337 203750
206209 243617
127403 143010
...

result:

ok Good Job! (1 test case)

Test #44:

score: 0
Accepted
time: 67ms
memory: 30900kb

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
27663 91303
104232 21527
145121 156682
22884 52893
65026 220301
217355 225670
260271 232785
6998 86573
90535 142243
168644 226078
71878 9167
118844 170604
40671 171210
245792 242407
61549 100643
169000 138191
28389 109403
176857 264239
75831 23020
268118 177947
63983 135909
22043 151008
2404 ...

result:

ok Good Job! (1 test case)

Test #45:

score: 0
Accepted
time: 47ms
memory: 12364kb

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
1298 189
1158 226
1150 113
1195 2565
2073 2671
653 894
671 1744
69 1979
2158 561
2343 1277
313 2383
1494 1237
237 1462
2306 1930
2661 2339
2948 2677
101 972
1475 791
272 1936
1373 2044
2107 2206
485 2248
608 577
412 39
112 1593
1908 1869
2005 170
565 747
352 1472
1070 1039
2411 2075
2504 427
14...

result:

ok Good Job! (100 test cases)

Extra Test:

score: 0
Extra Test Passed