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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#418870#2830. Data StructurehxhhxhAC ✓190ms47032kbC++143.4kb2024-05-23 16:14:482024-05-23 16:14:48

Judging History

你现在查看的是最新测评结果

  • [2024-05-23 16:14:48]
  • 评测
  • 测评结果：AC
  • 用时：190ms
  • 内存：47032kb
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  • [2024-05-23 16:14:48]
  • 提交

answer

#include<bits/stdc++.h>
#define fi first
#define se second
using namespace std;
int n,m,k[200005],X[200005][2],ind[200005],f[200005],u[300005],v[300005],op,vid[200005],siz[200005];
vector<pair<int,int> >e[200005];
vector<int>ot[200005],g[200005],o[200005];
queue<int>c,q;
bool vis[200005];
int find(int x){
	return f[x]^x?f[x]=find(f[x]):x;
}
void opr(int x){
	vis[x]=1;
	ind[x]=-1;
	if(e[x].size()==2){
		u[++op]=e[x][0].se,v[op]=c.front();
		u[++op]=e[x][1].se,v[op]=v[op-1];
		c.pop();
		for(auto i:e[x]){
			ot[i.fi].push_back(i.se);
			ind[i.fi]--;
			if(ind[i.fi]==0) q.push(i.fi);
		}
	}
	else if(e[x].size()==1){
		u[++op]=e[x][0].se,v[op]=ot[x][0];
		int to=e[x][0].fi;
		ind[to]--;
		ot[to].push_back(e[x][0].se);
		if(ind[to]==0) q.push(to);
	}
	else{
		u[++op]=ot[x][0],v[op]=ot[x][1];
		c.push(ot[x][0]);
	}
}
void doing(){
	while(c.size()) c.pop();
	while(q.size()) q.pop();
	for(int i=1;i<=n;i++) e[i].clear(),f[i]=i,siz[i]=0,g[i].clear(),o[i].clear(),vid[i]=0,ot[i].clear(),vis[i]=0;
	for(int i=1;i<=n;i++) ind[i]=0;
	op=0;
	for(int i=1;i<=m;i++){
		scanf("%d",&k[i]);
		X[i][0]=X[i][1]=0;
		if(k[i]==0) c.push(i);
		else if(k[i]==1) scanf("%d",&X[i][0]),ot[X[i][0]].push_back(i);
		else scanf("%d %d",&X[i][0],&X[i][1]),e[X[i][1]].push_back({X[i][0],i}),ind[X[i][0]]++;
	}
	for(int i=1;i<=n;i++){
		if(ind[i]==0&&e[i].size()==0){
			u[++op]=ot[i][0],v[op]=ot[i][1];
			c.push(ot[i][0]);
			vis[i]=1;
		}
		else if(ind[i]==0&&e[i].size()==1) q.push(i);
	}
	while(!q.empty()){
		int x=q.front();
		q.pop();
		opr(x);
	}
	for(int i=1;i<=n;i++) for(auto j:e[i]) if(vis[i]+vis[j.fi]==0) f[find(j.fi)]=find(i),o[i].push_back(j.fi),o[j.fi].push_back(i);
	for(int i=1;i<=n;i++) if(!vis[i]) g[find(i)].push_back(i);
	for(int i=1;i<=n;i++) siz[find(i)]+=1-(int)e[i].size();
	for(int i=1;i<=n;i++){
		if(f[i]!=i) continue;
		if(g[i].size()<=1) continue;
		if(!siz[i]) continue;
		int px=0;
		for(int j:g[i]) if(ind[j]==1&&e[j].size()==0) px=j;
		assert(px);
		int lst=0,cnt=0;
		do{
			vid[px]=++cnt;
			int to=0;
			for(int j:o[px]) if(j!=lst) to=j;
			assert(to);
			lst=px;
			px=to;
		}while(ind[px]!=1||e[px].size()!=0);
		sort(g[i].begin(),g[i].end(),[&](int x,int y){return vid[x]<vid[y];});
		for(int j:g[i]){
			if(ind[j]==0) q.push(j);
			if(ind[j]==0) if(c.empty()) return puts("-1"),void();
			while(!q.empty()){
				int x=q.front();
				q.pop();
				opr(x);
			}
		}
	}
	for(int i=1;i<=n;i++){
		if(f[i]!=i) continue;
		if(vis[i]) continue;
		if(g[i].size()<=1) continue;
		int px=g[i][0],cnt=0,opc=0;
		while(1){
			vid[px]=++cnt;
			int to=0;
			for(int j:o[px]) if(!vid[j]) to=j;
			if(!to) break;
			px=to;
		}
		sort(g[i].begin(),g[i].end(),[&](int x,int y){return vid[x]<vid[y];});
		for(int j:g[i]){
			if(ind[j]==0) q.push(j),opc=1;
			if(ind[j]==0) if(c.empty()) return puts("-1"),void();
			while(!q.empty()){
				int x=q.front();
				q.pop();
				opr(x);
			}
		}
		if(!opc){
			if(c.empty()) return puts("-1"),void();
			int nt=c.front(),oq=nt;
			if(vid[e[g[i][0]][0].fi]!=1) reverse(g[i].begin(),g[i].end());
			for(int j:g[i]){
				u[++op]=e[j][0].se,v[op]=nt;
				nt=e[j][0].se;
			}
			u[op+1]=u[op],v[++op]=oq;
			c.pop();
			c.push(u[op]);
		}
	}
	cout<<op<<"\n";
	for(int i=1;i<=op;i++) cout<<u[i]<<" "<<v[i]<<"\n";
}
int main(){
	while(~scanf("%d %d",&n,&m)) doing();
}
Source code, Language: C++14

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 3ms
memory: 28892kb

input:

2 3
2 1 2
2 1 2
0
1 1
2 1 1
3 4
2 1 3
2 2 3
1 1
1 2

output:

3
1 3
2 3
1 2
0
-1

result:

ok 3 cases passed. max #moves/#balls = 1.500000000

Test #2:

score: 0
Accepted
time: 3ms
memory: 28424kb

input:

1 2
1 1
1 1
1 3
1 1
0
1 1
1 4
1 1
1 1
0
0
1 1
2 1 1
1 2
2 1 1
0
1 3
0
0
2 1 1

output:

1
1 2
1
1 3
1
1 2
0
0
0

result:

ok 6 cases passed. max #moves/#balls = 1.000000000

Test #3:

score: 0
Accepted
time: 0ms
memory: 28264kb

input:

2 4
1 1
1 2
1 2
1 1
2 5
1 1
1 2
0
1 1
1 2
2 6
0
1 1
0
1 1
1 2
1 2
2 4
1 2
1 1
1 1
1 2
2 5
1 1
0
1 2
1 2
1 1
2 6
1 2
0
1 1
0
1 1
1 2
2 4
1 1
1 2
1 2
1 1
2 5
0
1 2
1 1
1 1
1 2
2 6
1 1
0
1 2
1 2
0
1 1
2 3
2 2 1
1 1
1 2
2 4
2 2 1
1 1
0
1 2
2 5
1 1
0
1 2
2 1 2
0
2 3
1 2
2 1 2
1 1
2 4
1 1
2 2 1
1 2
0
2 5
...

output:

2
1 4
2 3
2
1 4
2 5
2
2 4
5 6
2
2 3
1 4
2
1 5
3 4
2
3 5
1 6
2
1 4
2 3
2
3 4
2 5
2
1 6
3 4
2
1 2
3 1
2
1 2
4 1
2
4 3
1 4
2
2 1
3 2
2
2 1
3 2
2
1 3
4 1
-1
3
2 1
3 1
2 3
3
2 1
4 1
2 4
-1
3
1 3
2 1
2 3
3
2 3
1 2
1 3
1
2 3
1
3 4
1
1 4
0
0
0

result:

ok 27 cases passed. max #moves/#balls = 1.500000000

Test #4:

score: 0
Accepted
time: 0ms
memory: 29656kb

input:

3 6
1 1
1 2
1 2
1 3
1 3
1 1
3 7
1 3
0
1 2
1 2
1 1
1 1
1 3
3 8
0
1 3
1 2
0
1 1
1 1
1 2
1 3
3 6
1 3
1 3
1 2
1 1
1 1
1 2
3 7
1 1
1 3
1 1
1 2
1 2
1 3
0
3 8
1 1
1 2
0
1 3
1 2
0
1 3
1 1
3 6
1 3
1 1
1 2
1 3
1 2
1 1
3 7
1 1
1 2
0
1 1
1 3
1 3
1 2
3 8
1 2
1 1
1 3
1 2
0
1 3
0
1 1
3 6
1 2
1 2
1 3
1 1
1 1
1 3
3 ...

output:

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

result:

ok 180 cases passed. max #moves/#balls = 1.333333333

Test #5:

score: 0
Accepted
time: 0ms
memory: 28720kb

input:

4 8
1 3
1 3
1 4
1 1
1 2
1 1
1 4
1 2
4 9
1 3
0
1 2
1 1
1 4
1 1
1 4
1 2
1 3
4 10
1 1
1 3
1 3
1 2
1 2
0
1 1
1 4
1 4
0
4 8
1 4
1 3
1 2
1 2
1 1
1 4
1 1
1 3
4 9
1 4
1 3
1 1
1 3
1 4
1 2
1 1
1 2
0
4 10
1 4
1 1
1 2
1 3
0
0
1 2
1 1
1 3
1 4
4 8
1 2
1 4
1 3
1 4
1 2
1 3
1 1
1 1
4 9
1 1
1 4
1 3
1 2
1 3
1 2
0
1 4
...

output:

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

result:

ok 1575 cases passed. max #moves/#balls = 1.500000000

Test #6:

score: 0
Accepted
time: 30ms
memory: 29184kb

input:

5 10
1 1
1 4
1 2
1 4
1 5
1 2
1 3
1 5
1 1
1 3
5 11
1 1
1 3
1 1
1 2
1 5
1 2
0
1 5
1 4
1 3
1 4
5 12
1 2
0
1 1
1 5
1 2
1 4
1 3
1 4
0
1 5
1 3
1 1
5 10
1 3
1 5
1 1
1 1
1 2
1 4
1 4
1 5
1 2
1 3
5 11
1 3
1 5
1 2
1 2
1 4
1 3
1 1
1 1
0
1 4
1 5
5 12
1 3
1 4
1 2
0
1 5
1 1
1 2
1 1
1 4
1 5
0
1 3
5 10
1 4
1 5
1 3
1...

output:

5
1 9
3 6
7 10
2 4
5 8
5
1 3
4 6
2 10
9 11
5 8
5
3 12
1 5
7 11
6 8
4 10
5
3 4
5 9
1 10
6 7
2 8
5
7 8
3 4
1 6
5 10
2 11
5
6 8
3 7
1 12
2 9
5 10
5
4 7
8 9
3 10
1 5
2 6
5
2 4
1 6
5 7
8 9
3 11
5
1 7
2 3
10 11
8 9
4 5
5
8 10
4 5
6 7
2 9
1 3
5
6 7
1 11
4 5
2 3
8 9
5
2 6
4 11
8 9
1 7
3 10
5
7 8
1 10
4 5
3 ...

result:

ok 17010 cases passed. max #moves/#balls = 1.400000000

Test #7:

score: 0
Accepted
time: 26ms
memory: 29112kb

input:

6 11
1 5
1 6
1 2
1 4
1 1
1 5
1 4
1 3
1 6
2 2 3
1 1
6 9
1 6
2 1 1
2 4 4
1 2
2 6 2
0
2 5 3
0
2 5 3
6 6
2 4 4
2 5 6
2 3 6
2 2 2
2 3 5
2 1 1
6 8
2 2 1
2 3 4
1 6
2 1 2
2 3 5
0
1 6
2 4 5
6 9
1 6
1 4
1 3
1 5
2 3 1
2 4 2
2 2 1
1 6
1 5
6 7
1 4
2 2 3
2 1 6
2 1 4
2 6 2
2 5 5
1 3
6 8
1 2
2 3 5
1 1
2 4 4
0
2 5 1...

output:

6
5 11
4 7
1 6
2 9
10 8
3 10
5
5 4
1 5
7 6
9 6
7 9
-1
8
3 7
4 6
1 4
1 6
5 3
8 3
2 8
5 2
7
4 9
1 8
5 4
7 4
3 5
6 7
2 6
5
2 7
4 1
5 2
3 5
4 3
5
6 3
7 1
2 6
8 7
2 8
5
1 9
2 6
3 10
5 7
8 11
6
1 6
5 1
3 8
4 8
2 4
3 2
-1
6
7 12
2 3
1 11
5 10
6 8
4 9
3
7 6
5 7
3 5
8
1 2
7 2
9 1
4 7
3 4
5 6
8 6
5 8
6
5 9
2 ...

result:

ok 14285 cases passed. max #moves/#balls = 1.500000000

Test #8:

score: 0
Accepted
time: 30ms
memory: 28508kb

input:

7 10
2 4 3
1 1
2 2 2
2 4 3
2 7 7
2 6 6
2 5 5
0
1 1
0
7 12
1 2
1 6
1 6
1 5
2 4 1
1 1
2 4 3
1 7
1 5
1 3
1 2
1 7
7 15
1 4
1 6
1 2
1 4
1 6
1 5
1 7
1 1
1 3
0
1 7
1 5
1 1
1 3
1 2
7 7
2 7 3
2 2 3
2 5 7
2 1 1
2 6 6
2 2 5
2 4 4
7 12
2 3 2
1 7
2 6 3
1 4
1 2
1 5
1 1
1 4
1 5
1 1
1 6
1 7
7 14
2 3 5
0
1 2
1 6
1 4...

output:

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

result:

ok 12500 cases passed. max #moves/#balls = 1.428571429

Test #9:

score: 0
Accepted
time: 26ms
memory: 28192kb

input:

8 16
1 2
0
1 5
1 8
1 1
1 5
2 4 4
1 8
1 6
1 1
1 2
0
2 7 7
1 3
1 6
1 3
8 13
1 8
1 4
1 2
1 6
2 1 3
2 1 3
1 7
1 2
1 5
1 6
1 8
2 4 5
1 7
8 9
2 1 3
2 4 5
2 7 2
2 7 8
2 4 8
2 1 6
2 5 2
2 6 3
0
8 17
1 1
1 4
1 3
1 7
1 2
1 2
1 7
1 5
1 3
1 4
1 6
1 8
1 5
1 6
1 8
1 1
0
8 15
1 6
1 4
0
1 5
1 7
1 3
1 2
1 8
1 6
1 7
...

output:

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

result:

ok 11111 cases passed. max #moves/#balls = 1.500000000

Test #10:

score: 0
Accepted
time: 28ms
memory: 28632kb

input:

9 13
1 2
2 4 5
2 5 4
2 2 9
1 8
1 3
1 1
1 3
1 1
2 7 6
1 9
1 8
2 7 6
9 13
1 4
2 5 6
2 7 5
2 9 3
1 4
2 9 7
0
2 8 6
2 1 3
0
1 2
1 2
2 8 1
9 18
1 4
1 7
1 7
1 9
1 8
1 8
1 2
1 3
1 6
1 2
1 1
1 3
1 5
1 1
1 6
1 5
1 4
1 9
9 13
0
2 6 7
2 2 2
1 3
2 6 8
2 9 1
2 1 4
1 9
2 8 7
0
1 4
1 3
2 5 5
9 17
1 9
2 1 3
1 2
1 5...

output:

11
7 9
6 8
5 12
4 11
1 4
2 7
3 2
3 7
10 6
13 6
10 13
11
11 12
1 5
4 7
9 7
13 9
2 10
8 10
3 2
13 8
6 3
4 6
9
11 14
7 10
8 12
1 17
13 16
9 15
2 3
5 6
4 18
8
4 12
7 11
6 7
8 6
2 1
9 1
5 9
2 5
9
3 11
4 10
9 17
15 16
5 14
1 13
2 7
6 12
2 6
13
7 3
11 7
11 3
1 4
10 4
1 10
2 11
8 2
8 11
5 1
6 1
9 6
5 9
8
5 ...

result:

ok 10000 cases passed. max #moves/#balls = 1.444444444

Test #11:

score: 0
Accepted
time: 31ms
memory: 29436kb

input:

10 19
1 1
1 3
1 10
1 8
1 1
1 4
1 2
1 2
1 5
1 7
1 5
2 6 6
1 7
1 3
1 4
1 9
1 10
1 8
1 9
10 19
1 8
1 10
2 7 7
1 2
1 5
1 9
1 1
0
1 6
1 9
1 1
1 6
1 5
0
1 2
1 10
2 4 4
2 3 3
1 8
10 10
2 5 5
2 2 3
2 8 4
2 2 7
2 6 9
2 3 10
2 10 1
2 6 4
2 7 8
2 9 1
10 19
1 4
1 5
1 4
1 9
2 3 9
1 10
1 1
1 7
1 6
1 8
1 10
1 5
1 ...

output:

9
1 5
7 8
2 14
6 15
9 11
10 13
4 18
16 19
3 17
7
7 11
4 15
5 13
9 12
1 19
6 10
2 16
-1
10
7 17
13 16
1 3
2 12
9 14
8 18
10 15
6 11
5 4
19 5
11
4 19
10 12
15 16
3 17
1 9
8 14
5 6
13 5
7 2
18 7
18 2
7
8 16
12 18
6 13
10 14
1 3
17 19
5 9
10
9 16
4 6
8 12
7 14
10 17
2 15
11 18
3 13
5 3
1 5
10
8 12
10 13...

result:

ok 9090 cases passed. max #moves/#balls = 1.500000000

Test #12:

score: 0
Accepted
time: 32ms
memory: 28640kb

input:

11 15
2 11 11
2 3 3
1 2
0
2 8 5
1 2
2 6 4
2 4 5
1 1
1 1
1 9
1 10
2 8 6
2 7 7
2 9 10
11 17
2 4 8
1 11
2 6 7
1 9
1 9
1 5
1 2
1 2
1 5
1 10
1 3
1 1
1 11
2 10 8
1 1
2 3 7
2 4 6
11 21
1 10
1 6
1 3
1 9
1 8
1 1
1 5
1 10
1 5
1 4
1 8
1 9
1 11
1 6
1 11
1 7
1 1
1 4
2 2 2
1 7
1 3
11 15
1 5
1 1
1 2
2 3 3
2 10 7
0...

output:

9
9 10
3 6
15 12
11 15
5 4
8 4
7 8
13 7
5 13
13
12 15
7 8
6 9
4 5
2 13
1 12
14 12
10 14
3 7
16 7
17 3
11 16
1 17
10
6 17
3 21
10 18
7 9
2 14
16 20
5 11
4 12
1 8
13 15
11
2 9
1 10
15 3
12 11
8 12
15 8
13 6
14 6
7 14
5 7
13 5
10
7 10
14 18
3 6
12 17
4 15
2 19
9 13
16 8
5 11
16 5
11
7 10
12 7
8 12
9 8
...

result:

ok 8333 cases passed. max #moves/#balls = 1.363636364

Test #13:

score: 0
Accepted
time: 32ms
memory: 29536kb

input:

12 25
1 9
1 10
1 4
1 7
1 5
1 3
1 6
1 1
1 12
1 3
1 2
1 9
1 11
1 2
0
1 10
1 7
1 12
1 11
1 4
1 6
1 5
1 1
1 8
1 8
12 19
1 2
1 12
2 8 8
2 1 3
0
2 3 4
1 5
2 11 11
2 1 5
2 9 6
1 12
1 7
1 7
2 6 9
1 2
1 4
1 10
1 10
0
12 14
2 2 4
2 8 8
2 1 3
2 9 9
2 6 12
2 6 1
0
2 10 10
2 5 5
2 3 12
0
2 4 7
2 7 2
2 11 11
12 1...

output:

12
8 23
11 14
6 10
3 20
5 22
7 21
4 17
24 25
1 12
2 16
13 19
9 18
11
1 15
12 13
17 18
2 11
6 16
9 7
4 6
9 4
14 5
10 14
10 5
9
12 7
1 12
13 1
13 7
5 11
10 11
3 10
6 3
5 6
10
8 5
14 5
3 8
1 3
7 13
12 13
1 7
4 12
6 4
14 6
12
11 24
7 14
5 19
1 10
12 21
16 25
2 6
4 20
8 22
9 17
3 13
15 18
11
2 12
4 5
13 ...

result:

ok 7692 cases passed. max #moves/#balls = 1.416666667

Test #14:

score: 0
Accepted
time: 32ms
memory: 28576kb

input:

13 15
2 8 8
2 6 6
2 1 1
2 3 3
2 11 11
2 2 5
2 5 13
1 4
1 12
2 2 13
1 12
2 10 10
1 4
2 9 9
2 7 7
13 21
2 11 11
1 9
1 2
1 9
1 13
1 1
1 13
1 5
2 12 8
2 7 7
1 5
1 6
1 6
2 4 3
1 1
0
2 10 10
1 2
2 4 3
0
2 8 12
13 24
1 8
1 7
1 6
1 3
1 5
1 9
1 2
1 13
1 2
1 12
2 10 10
1 3
1 1
1 8
1 4
1 12
1 6
1 5
1 7
1 4
2 1...

output:

6
8 13
9 11
7 8
10 8
6 7
10 6
12
6 15
3 18
8 11
12 13
2 4
5 7
14 16
19 16
14 19
21 20
9 21
9 20
11
13 23
7 9
4 12
15 20
5 18
3 17
2 19
1 14
6 24
10 16
8 22
12
8 15
13 20
3 17
4 16
1 11
2 14
10 6
9 7
10 9
5 8
19 8
5 19
12
10 16
1 27
9 18
12 26
4 20
5 23
8 14
3 6
7 17
11 19
2 25
21 22
13
3 17
11 15
2 ...

result:

ok 7142 cases passed. max #moves/#balls = 1.384615385

Test #15:

score: 0
Accepted
time: 36ms
memory: 28964kb

input:

14 24
1 3
1 11
1 2
1 7
1 5
0
1 11
2 4 8
2 12 5
2 9 4
1 3
1 10
2 12 9
1 1
0
2 13 13
1 2
1 7
1 6
1 10
1 14
1 1
1 6
2 8 14
14 27
1 8
1 10
1 1
1 1
1 12
1 14
1 6
1 11
1 5
1 12
1 7
1 4
1 10
1 14
1 7
1 9
1 2
1 6
1 11
1 9
2 3 3
1 2
1 4
1 13
1 8
1 5
1 13
14 22
1 14
2 7 5
1 3
1 10
1 9
1 9
2 13 5
2 12 2
2 6 6
...

output:

13
14 22
3 17
1 11
19 23
4 18
12 20
2 7
9 5
24 21
8 24
10 8
13 10
9 13
13
3 4
17 22
12 23
9 26
7 18
11 15
1 25
16 20
2 13
8 19
5 10
24 27
6 14
12
19 22
3 15
5 6
4 21
14 20
1 17
8 13
11 8
2 18
7 18
10 2
7 10
13
4 15
16 25
6 21
7 12
11 18
2 19
14 17
1 3
9 10
8 20
13 24
23 24
13 23
14
8 19
4 9
7 23
3 2...

result:

ok 6666 cases passed. max #moves/#balls = 1.357142857

Test #16:

score: 0
Accepted
time: 32ms
memory: 30228kb

input:

15 22
0
2 6 13
1 13
1 4
1 8
1 8
0
2 10 3
2 11 15
2 15 7
1 5
2 2 12
2 11 12
1 6
1 7
2 9 9
1 5
2 1 1
2 3 10
2 14 14
1 4
1 2
15 24
1 2
1 4
2 8 11
1 9
0
1 1
2 5 5
1 9
2 6 6
1 12
1 3
1 3
2 7 13
2 11 10
1 14
1 12
2 10 4
1 15
2 8 7
1 2
0
1 1
1 15
2 13 14
15 24
0
1 14
1 14
2 1 1
1 10
1 12
1 5
2 10 6
1 13
1 ...

output:

14
4 21
11 17
5 6
10 15
2 3
9 10
14 2
12 1
13 1
22 12
9 13
19 7
8 19
8 7
13
6 22
1 20
11 12
4 8
10 16
18 23
17 2
24 15
14 17
13 24
3 14
19 13
3 19
12
10 13
7 12
15 16
23 24
6 22
9 14
2 3
8 18
5 8
17 1
19 1
17 19
15
6 17
7 3
13 3
7 13
10 6
16 6
5 16
11 7
15 7
10 15
2 10
14 10
5 2
12 14
11 12
16
15 19...

result:

ok 6250 cases passed. max #moves/#balls = 1.400000000

Test #17:

score: 0
Accepted
time: 53ms
memory: 28884kb

input:

16 23
1 3
1 9
0
1 9
1 14
1 4
2 5 14
1 10
2 16 5
2 6 6
2 1 1
2 16 11
2 12 12
1 2
1 4
0
2 8 8
2 11 13
1 7
1 10
2 2 15
2 3 15
2 7 13
16 29
0
1 6
1 3
1 7
1 14
1 12
1 9
1 3
1 10
1 14
1 13
1 2
2 6 9
1 4
1 2
2 5 1
1 8
1 16
1 4
2 1 5
1 11
1 7
2 8 10
1 15
1 12
1 11
1 15
1 16
1 13
16 28
1 13
1 8
1 9
1 12
2 15...

output:

14
6 15
2 4
8 20
7 5
9 7
18 3
23 3
12 18
19 23
9 12
21 16
22 16
14 21
1 22
17
12 15
3 8
14 19
4 22
21 26
6 25
11 29
5 10
24 27
18 28
13 7
23 9
2 13
17 23
20 1
16 20
16 1
16
13 20
7 25
16 27
6 28
19 26
12 23
9 22
2 14
10 21
4 17
1 11
24 3
15 24
5 13
18 13
5 18
15
15 21
10 19
8 14
12 18
1 13
7 23
6 3
...

result:

ok 5882 cases passed. max #moves/#balls = 1.375000000

Test #18:

score: 0
Accepted
time: 29ms
memory: 29836kb

input:

17 33
1 12
2 15 4
1 5
1 13
0
1 6
1 17
1 16
1 7
1 11
1 13
1 17
1 1
1 11
1 12
1 9
1 3
1 7
1 5
1 3
1 2
1 9
1 14
2 15 4
1 1
1 10
1 10
1 8
1 2
1 16
1 14
1 8
1 6
17 23
1 9
2 13 17
1 3
1 13
1 10
2 15 16
2 12 12
2 14 4
2 5 15
1 9
1 7
1 6
2 8 8
1 2
2 4 11
1 11
2 16 5
2 2 10
1 3
1 6
2 1 1
2 14 17
1 7
17 20
2 ...

output:

18
13 25
21 29
17 20
3 19
6 33
9 18
28 32
16 22
26 27
10 14
1 15
4 11
23 31
8 30
7 12
2 5
24 5
2 24
16
3 19
12 20
11 23
1 10
18 5
15 16
14 18
8 15
2 3
22 3
4 2
8 22
6 12
9 6
17 9
17 12
15
6 17
18 7
10 18
2 10
2 7
11 8
20 8
5 11
16 5
14 16
9 14
20 9
4 6
13 6
4 13
18
25 28
9 21
5 11
13 31
4 24
12 20
2...

result:

ok 5555 cases passed. max #moves/#balls = 1.352941176

Test #19:

score: 0
Accepted
time: 28ms
memory: 28224kb

input:

18 19
2 8 5
2 7 11
2 1 13
2 2 2
0
2 17 11
2 14 6
2 18 18
2 3 12
2 4 3
2 8 12
2 6 14
2 9 16
2 13 1
2 15 15
2 9 16
2 10 10
2 5 4
2 7 17
18 26
2 16 4
2 10 15
1 7
1 13
1 11
1 11
2 15 10
1 14
1 5
1 8
2 9 3
2 2 9
2 4 12
1 13
1 1
1 1
1 17
1 5
2 16 6
1 7
1 8
2 12 6
1 17
2 18 3
1 14
2 2 18
18 23
2 16 16
2 18...

output:

19
3 5
14 3
14 5
12 14
7 12
7 14
2 7
6 7
19 6
2 19
9 2
11 2
10 9
18 10
1 18
11 1
13 11
16 11
13 16
21
15 16
9 18
3 20
10 21
5 6
4 14
8 25
17 23
11 15
24 15
12 11
26 24
12 26
19 9
22 9
13 22
1 13
19 1
2 3
7 2
7 3
14
10 12
6 13
16 23
14 18
17 14
17 18
11 21
15 21
2 11
4 15
19 2
20 4
7 19
20 7
-1
16
5 ...

result:

ok 5263 cases passed. max #moves/#balls = 1.388888889

Test #20:

score: 0
Accepted
time: 28ms
memory: 28620kb

input:

19 25
2 8 13
0
1 16
1 5
2 18 13
2 4 7
0
2 17 1
2 12 16
2 12 4
2 19 15
2 1 8
1 3
1 7
2 6 2
2 2 9
2 18 14
1 11
2 10 10
2 15 17
2 6 14
1 5
2 9 19
1 11
1 3
19 34
1 12
1 16
1 16
1 7
1 6
2 4 4
1 8
1 18
2 9 19
1 11
1 13
1 14
1 7
1 6
1 3
1 14
2 9 5
1 11
1 15
1 1
1 3
2 19 1
1 17
1 17
1 13
1 2
1 12
1 8
1 15
1...

output:

20
13 25
4 22
18 24
6 14
9 3
10 6
9 10
1 2
5 2
12 1
8 12
20 8
11 20
23 11
16 23
15 16
17 7
21 7
5 17
15 21
18
26 32
15 21
5 14
4 13
7 28
30 34
10 18
1 27
11 25
12 16
19 29
2 3
23 24
8 31
22 20
17 33
9 22
17 9
-1
21
24 25
5 7
17 23
14 19
18 21
2 9
11 27
16 3
12 16
12 3
13 24
22 24
13 22
6 5
8 5
1 17
...

result:

ok 5000 cases passed. max #moves/#balls = 1.368421053

Test #21:

score: 0
Accepted
time: 36ms
memory: 28700kb

input:

20 36
1 3
1 19
1 18
1 19
1 2
1 4
1 17
2 5 6
1 1
1 12
1 14
1 20
1 11
1 13
1 7
1 15
1 16
1 3
1 1
1 16
1 11
1 4
1 8
1 15
2 9 5
1 8
1 13
1 7
1 12
1 2
2 10 10
1 17
1 18
1 14
1 20
2 6 9
20 27
2 7 13
2 6 10
0
2 11 8
2 11 2
0
1 17
2 1 1
1 15
1 19
1 19
1 14
2 4 5
1 14
2 12 8
2 7 6
2 2 12
2 3 20
2 18 20
2 3 4...

output:

20
9 19
5 30
1 18
6 22
15 28
23 26
13 21
10 29
14 27
11 34
16 24
17 20
7 32
3 33
2 4
12 35
36 9
8 36
25 8
25 9
22
12 14
9 22
26 27
7 25
10 11
4 3
15 3
17 15
5 17
4 5
1 6
23 6
2 23
16 2
1 16
18 12
19 12
13 9
24 9
20 13
19 24
18 20
21
12 16
21 28
7 13
14 24
2 10
20 22
9 17
18 26
4 11
8 29
23 30
3 12
1...

result:

ok 4761 cases passed. max #moves/#balls = 1.300000000

Test #22:

score: 0
Accepted
time: 18ms
memory: 28900kb

input:

70 79
2 13 14
2 49 46
1 43
2 27 27
2 5 5
2 63 50
2 63 15
2 61 25
2 17 39
2 44 26
2 15 45
2 65 2
2 64 6
2 2 28
2 55 60
2 13 68
1 40
2 30 30
1 62
2 41 60
2 16 25
1 69
1 62
2 28 23
2 46 49
2 26 57
1 35
2 66 66
2 10 69
2 33 55
1 10
2 54 9
1 32
2 11 12
1 40
1 7
1 29
2 33 54
2 12 11
2 22 1
1 29
2 6 64
2 2...

output:

79
36 45
37 41
33 75
27 62
17 35
3 47
44 50
19 23
29 22
31 29
66 36
46 66
46 36
42 37
13 42
13 37
34 33
39 34
39 33
1 27
65 27
16 65
1 16
71 17
24 71
14 24
12 14
12 17
55 3
67 3
54 67
8 44
21 44
69 8
54 21
55 69
25 19
2 25
2 19
11 31
74 31
7 11
76 74
51 76
48 51
56 48
6 46
73 46
7 6
56 73
53 13
57 5...

result:

ok 1000 cases passed. max #moves/#balls = 1.500000000

Test #23:

score: 0
Accepted
time: 15ms
memory: 29004kb

input:

89 125
2 6 86
1 11
1 43
1 77
1 27
2 72 88
1 52
2 26 75
1 77
2 89 86
1 60
1 18
2 20 20
1 25
2 57 75
1 3
1 55
2 38 19
2 76 2
2 22 24
1 3
2 61 61
2 39 59
2 42 74
1 56
2 71 71
1 68
2 79 87
2 81 67
1 25
2 66 21
1 37
1 70
2 40 83
1 60
1 48
1 52
2 22 24
2 62 62
1 84
2 41 23
1 69
2 32 26
1 36
1 15
2 88 72
1...

output:

88
16 21
48 92
54 93
2 105
79 88
59 96
57 107
45 114
85 91
12 108
14 30
5 47
73 116
51 78
56 112
44 87
32 117
3 75
110 113
82 118
61 98
36 94
62 76
7 37
17 123
25 90
95 109
11 35
27 122
42 52
33 115
83 119
4 9
40 64
63 106
19 81
67 81
70 19
34 67
63 70
77 34
49 16
102 16
80 102
49 80
55 48
60 48
58 ...

result:

ok 100 cases passed. max #moves/#balls = 1.169811321

Test #24:

score: 0
Accepted
time: 155ms
memory: 46552kb

input:

199990 199994
2 112787 58235
2 74630 28941
2 167642 28933
2 133872 119903
2 134119 187247
2 12074 126849
2 172463 191232
2 69306 129651
2 85342 121061
2 31874 148765
2 6567 39825
2 70847 178127
2 161417 173942
2 60884 49005
2 10700 112396
2 134185 131889
2 62930 176558
2 153356 48329
2 88968 136672
...

output:

249866
47930 39403
45681 123950
52624 103430
29499 45681
140740 199993
199529 199993
166239 140740
131387 166239
52624 131387
118994 199994
149602 199994
114962 118994
62205 114962
126787 62205
199529 126787
10058 52624
136446 52624
149602 136446
152463 199529
187727 199529
152758 152463
164080 1877...

result:

ok 1 cases passed. max #moves/#balls = 1.249392470

Test #25:

score: 0
Accepted
time: 190ms
memory: 46964kb

input:

199900 199939
2 159852 65847
2 26090 50275
2 87513 124862
2 86896 171149
2 108960 21092
2 60944 176432
2 64408 168417
2 110938 48609
2 30886 178149
2 180183 52005
2 185615 173446
2 91034 36919
2 121714 75547
2 97679 89549
2 161524 190571
2 129781 26065
2 726 162459
2 28052 166745
2 193665 65435
2 45...

output:

249613
106581 195508
87499 466
141785 86599
193462 112079
111161 180271
70518 20388
177189 95960
51089 145236
42342 50137
130367 94233
13675 161933
167502 5649
83100 170999
1669 70219
141132 188272
118999 98362
45466 80993
36392 181613
184780 156194
113064 98870
73883 46654
111332 77134
149863 85671...

result:

ok 1 cases passed. max #moves/#balls = 1.248689345

Test #26:

score: 0
Accepted
time: 180ms
memory: 47032kb

input:

199000 199158
2 87128 180318
2 51427 22755
2 151883 144846
2 86404 42933
2 86031 56171
2 97601 190366
2 100929 91717
2 10606 53797
2 151688 90226
2 65599 83910
2 159670 153323
2 98395 126956
2 104190 188119
2 134860 5110
2 82527 59574
2 185228 58544
2 131591 9348
2 88390 99580
2 79913 120984
2 12854...

output:

248620
159826 170232
824 116779
65806 96668
64102 145895
184853 35084
41063 63660
96981 145392
110701 113358
103047 42388
108644 192770
110485 176389
5748 32464
28323 198599
143694 167502
3800 40526
57803 183718
162603 5916
126242 67012
181408 90168
33958 113178
96959 160229
144623 64830
59284 11561...

result:

ok 1 cases passed. max #moves/#balls = 1.249346734

Test #27:

score: 0
Accepted
time: 138ms
memory: 45892kb

input:

190000 195490
2 57925 137657
2 115225 31941
2 113825 126389
2 86640 44883
2 54487 34585
2 118366 61471
2 120619 96922
1 140665
2 42131 138488
2 115971 83797
2 79814 139047
2 182772 4122
2 134485 135722
2 83056 53620
2 4840 71513
2 58767 175090
2 55378 47553
2 158331 65564
2 2231 167672
2 45248 44008...

output:

234894
115305 173688
59173 162528
154636 191315
2345 134194
35960 172070
81231 144419
41297 67516
45199 54669
177867 185539
5835 134098
26450 186598
4023 39925
31497 116217
131028 153733
142872 179043
55368 167022
24444 172578
21069 131898
13697 86705
54857 57867
104032 105478
30688 82920
107437 156...

result:

ok 1 cases passed. max #moves/#balls = 1.236284211

Test #28:

score: 0
Accepted
time: 61ms
memory: 36428kb

input:

100000 150784
1 11363
2 48695 10015
1 45261
0
0
2 59469 34868
2 37754 54971
2 1159 2258
2 36656 7427
1 86418
0
2 58664 20429
1 53392
1 61881
2 17499 14399
1 31182
1 7141
0
2 58765 17577
1 21750
2 55759 24096
0
0
2 68221 45178
1 34307
1 952
0
1 37862
1 31349
2 79909 53730
2 61993 40470
0
1 8272
2 824...

output:

111036
4709 37327
12514 126560
40604 80635
20806 112227
25767 46609
24650 46902
80991 141613
49054 140135
14362 130535
22358 33893
9919 89093
102297 136505
126469 141173
78525 134207
125222 149492
7809 66841
2232 8426
27574 133665
67047 124348
52285 116414
60881 146565
144720 147826
49620 138835
297...

result:

ok 1 cases passed. max #moves/#balls = 1.110360000

Test #29:

score: 0
Accepted
time: 174ms
memory: 46532kb

input:

199998 200000
2 197320 165241
2 136684 67821
2 38136 196111
2 36675 168634
2 193814 85383
2 188893 178378
2 107377 34791
2 77322 157440
2 51337 91683
2 141729 123337
2 88834 166216
2 172041 99918
2 81678 190214
2 145905 79139
2 184733 143722
2 20662 175460
2 73374 152647
2 111949 12058
2 7347 64349
...

output:

250095
33806 199999
113057 199999
144355 33806
65643 200000
130144 200000
113057 130144
79897 113057
131011 113057
144355 79897
97803 131011
65643 97803
51969 144355
73334 144355
145986 51969
33457 65643
160416 65643
87184 33457
148114 160416
145986 87184
94492 145986
180926 145986
148114 180926
113...

result:

ok 1 cases passed. max #moves/#balls = 1.250487505
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Server Time: 2024-11-29 22:47:13 | OpenSource Project