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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#641112#7177. Many Many Cycleslichenyu_acRE 281ms146748kbC++142.3kb2024-10-14 18:34:582024-10-14 18:34:58

Judging History

你现在查看的是最新测评结果

  • [2024-10-14 18:34:58]
  • 评测
  • 测评结果:RE
  • 用时:281ms
  • 内存:146748kb
  • [2024-10-14 18:34:58]
  • 提交

answer

#include<bits/stdc++.h>
typedef long long ll;
using namespace std;
const int N=5e5+10,M=N*2;

int head[N],ver[M],edge[M],nxt[M],tot=1;
void add(int x,int y,ll z){
    ver[++tot]=y,edge[tot]=z,nxt[tot]=head[x],head[x]=tot;
}

int n,m;
int dep[N],f[N][25],cnt,dfn[N],Log[N],top,fa[N];
ll dis[N];
tuple<int,int,ll>e[N],sta[N];

int find(int x){
    return fa[x]==x?x:fa[x]=find(fa[x]);
}

void dfs(int x,int fa){
    dfn[x]=++cnt,f[cnt][0]=x;
    for(int i=head[x];i;i=nxt[i]){
        int y=ver[i];
        if(y==fa)continue;
        dep[y]=dep[x]+1,dis[y]=dis[x]+edge[i];
        dfs(y,x);
        f[++cnt][0]=x;
    }
}

int cmp(int x,int y){
    if(dep[x]<dep[y])return x;
    else return y;
}

void init(){
    for(int i=1;i<=cnt;i++)Log[i]=log2(i);
    for(int k=1;k<20;k++)
        for(int i=1;i+(1<<k)-1<=cnt;i++)
            f[i][k]=cmp(f[i][k-1],f[i+(1<<(k-1))][k-1]);
}

int LCA(int x,int y){
    x=dfn[x],y=dfn[y];
    if(x>y)swap(x,y);
    int k=Log[y-x+1];
    return cmp(f[x][k],f[y-(1<<k)+1][k]);
}

ll dist(ll x,ll y){
    return dis[x]+dis[y]-2*dis[LCA(x,y)];
}

ll gcd(ll a,ll b){
    return b?gcd(b,a%b):a;
}

int main(){
    scanf("%d%d",&n,&m);
    for(int i=1;i<=m;i++){
        int x,y;ll z;
        scanf("%d%d%lld",&x,&y,&z);
        e[i]=make_tuple(x,y,z);
    }
    for(int i=1;i<=n;i++)
        fa[i]=i;
    for(int i=1;i<=m;i++){
        auto [x,y,z]=e[i];
        if(find(x)==find(y)){
            sta[++top]=e[i];
        }else{
            fa[find(y)]=find(x);
            add(x,y,z),add(y,x,z);
        }
    }
    for(int i=1;i<=n;i++)
        if(!dfn[i])dfs(i,0);
    init();
    vector<ll>ans;
    for(int i=1;i<=top;i++){
        auto [x,y,z]=sta[i];
        ans.emplace_back(dist(x,y)+z);
    }
    for(int i=1;i<=top;i++)
        for(int j=i+1;j<=top;j++){
            auto [x1,y1,z1]=sta[i];
            auto [x2,y2,z2]=sta[j];
            // printf("<%d %d> <%d %d>\n",x1,y1,x2,y2);
            ans.emplace_back(abs((dist(x1,x2)+dist(y1,y2))-(dist(x1,y2)+dist(x2,y1))));
        }
    // for(auto x:ans)printf("%lld ",x);
    // puts("");
    auto res=ans[0];
    for(int i=1;i<ans.size();i++){
        res=gcd(res,ans[i]);
    }
    printf("%lld\n",res);
    return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 2ms
memory: 14112kb

input:

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

output:

4

result:

ok answer is '4'

Test #2:

score: 0
Accepted
time: 2ms
memory: 14256kb

input:

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

output:

4

result:

ok answer is '4'

Test #3:

score: 0
Accepted
time: 0ms
memory: 14188kb

input:

20 50
1 2 8
1 3 1
3 4 5
3 5 9
3 6 5
6 7 6
7 8 8
2 9 2
8 10 3
8 11 7
8 12 5
3 13 4
7 14 3
6 15 7
9 16 6
8 17 7
16 18 9
16 19 3
18 20 10
11 3 2
17 1 1
16 2 2
15 1 1
10 3 2
9 1 2
19 2 1
6 1 2
7 3 1
17 3 2
15 3 2
8 6 2
5 1 2
8 1 2
12 1 1
12 7 1
4 1 2
18 2 1
11 7 1
14 1 1
18 1 1
18 9 1
10 6 1
14 3 2
20 2...

output:

2

result:

ok answer is '2'

Test #4:

score: 0
Accepted
time: 1ms
memory: 14132kb

input:

20 50
1 2 18468
1 3 26501
3 4 15725
3 5 29359
3 6 24465
6 7 28146
7 8 16828
2 9 492
8 10 11943
8 11 5437
8 12 14605
3 13 154
7 14 12383
6 15 18717
9 16 19896
8 17 21727
16 18 11539
16 19 19913
18 20 26300
11 3 2
17 1 1
16 2 2
15 1 1
10 3 2
9 1 2
19 2 1
6 1 2
7 3 1
17 3 2
15 3 2
8 6 2
5 1 2
8 1 2
12 ...

output:

1

result:

ok answer is '1'

Test #5:

score: 0
Accepted
time: 1ms
memory: 14044kb

input:

100 150
1 2 184676335
1 3 191705725
1 4 293606963
1 5 57078146
2 6 168279962
6 7 29961943
5 8 54392392
5 9 39020154
5 10 123837422
7 11 197199896
3 12 217274772
7 13 18709913
6 14 263007036
11 15 287053812
3 16 303347674
9 17 151417712
17 18 68705548
15 19 326652758
12 20 128598724
2 21 275290779
11...

output:

3

result:

ok answer is '3'

Test #6:

score: 0
Accepted
time: 1ms
memory: 14040kb

input:

100 130
1 2 184676335
1 3 191705725
1 4 293606963
1 5 57078146
2 6 168279962
6 7 29961943
5 8 54392392
5 9 39020154
5 10 123837422
7 11 197199896
3 12 217274772
7 13 18709913
6 14 263007036
11 15 287053812
3 16 303347674
9 17 151417712
17 18 68705548
15 19 326652758
12 20 128598724
2 21 275290779
11...

output:

7

result:

ok answer is '7'

Test #7:

score: 0
Accepted
time: 1ms
memory: 14180kb

input:

100 200
1 2 184676335
1 3 191705725
1 4 293606963
1 5 57078146
2 6 168279962
6 7 29961943
5 8 54392392
5 9 39020154
5 10 123837422
7 11 197199896
3 12 217274772
7 13 18709913
6 14 263007036
11 15 287053812
3 16 303347674
9 17 151417712
17 18 68705548
15 19 326652758
12 20 128598724
2 21 275290779
11...

output:

4

result:

ok answer is '4'

Test #8:

score: 0
Accepted
time: 1ms
memory: 14240kb

input:

100 190
1 2 184676335
1 3 191705725
1 4 293606963
1 5 57078146
2 6 168279962
6 7 29961943
5 8 54392392
5 9 39020154
5 10 123837422
7 11 197199896
3 12 217274772
7 13 18709913
6 14 263007036
11 15 287053812
3 16 303347674
9 17 151417712
17 18 68705548
15 19 326652758
12 20 128598724
2 21 275290779
11...

output:

2

result:

ok answer is '2'

Test #9:

score: 0
Accepted
time: 5ms
memory: 14860kb

input:

1000 1500
1 2 184676335
1 3 191705725
1 4 293606963
1 5 57078146
2 6 168279962
6 7 29961943
5 8 54392392
5 9 39020154
5 10 123837422
7 11 197199896
3 12 217274772
7 13 18709913
6 14 263007036
11 15 287053812
3 16 303347674
9 17 151417712
17 18 68705548
15 19 326652758
12 20 128598724
2 21 275290779
...

output:

3

result:

ok answer is '3'

Test #10:

score: 0
Accepted
time: 5ms
memory: 14684kb

input:

1000 1500
1 2 184676335
1 3 191705725
1 4 293606963
1 5 57078146
2 6 168279962
6 7 29961943
5 8 54392392
5 9 39020154
5 10 123837422
7 11 197199896
3 12 217274772
7 13 18709913
6 14 263007036
11 15 287053812
3 16 303347674
9 17 151417712
17 18 68705548
15 19 326652758
12 20 128598724
2 21 275290779
...

output:

1

result:

ok answer is '1'

Test #11:

score: 0
Accepted
time: 6ms
memory: 15904kb

input:

1000 1600
1 2 184676335
1 3 191705725
1 4 293606963
1 5 57078146
2 6 168279962
6 7 29961943
5 8 54392392
5 9 39020154
5 10 123837422
7 11 197199896
3 12 217274772
7 13 18709913
6 14 263007036
11 15 287053812
3 16 303347674
9 17 151417712
17 18 68705548
15 19 326652758
12 20 128598724
2 21 275290779
...

output:

1

result:

ok answer is '1'

Test #12:

score: 0
Accepted
time: 1ms
memory: 14224kb

input:

100 190
1 2 184676335
1 3 191705725
1 4 293606963
1 5 57078146
2 6 168279962
6 7 29961943
5 8 54392392
5 9 39020154
5 10 123837422
7 11 197199896
3 12 217274772
7 13 18709913
6 14 263007036
11 15 287053812
3 16 303347674
9 17 151417712
17 18 68705548
15 19 326652758
12 20 128598724
2 21 275290779
11...

output:

4

result:

ok answer is '4'

Test #13:

score: 0
Accepted
time: 47ms
memory: 30980kb

input:

1000 3000
1 2 184676335
1 3 191705725
1 4 293606963
1 5 57078146
2 6 168279962
6 7 29961943
5 8 54392392
5 9 39020154
5 10 123837422
7 11 197199896
3 12 217274772
7 13 18709913
6 14 263007036
11 15 287053812
3 16 303347674
9 17 151417712
17 18 68705548
15 19 326652758
12 20 128598724
2 21 275290779
...

output:

2

result:

ok answer is '2'

Test #14:

score: 0
Accepted
time: 4ms
memory: 14856kb

input:

1000 1400
1 2 184676335
1 3 191705725
1 4 293606963
1 5 57078146
2 6 168279962
6 7 29961943
5 8 54392392
5 9 39020154
5 10 123837422
7 11 197199896
3 12 217274772
7 13 18709913
6 14 263007036
11 15 287053812
3 16 303347674
9 17 151417712
17 18 68705548
15 19 326652758
12 20 128598724
2 21 275290779
...

output:

1

result:

ok answer is '1'

Test #15:

score: 0
Accepted
time: 5ms
memory: 14696kb

input:

1000 1500
1 2 184676335
1 3 191705725
1 4 293606963
1 5 57078146
2 6 168279962
6 7 29961943
5 8 54392392
5 9 39020154
5 10 123837422
7 11 197199896
3 12 217274772
7 13 18709913
6 14 263007036
11 15 287053812
3 16 303347674
9 17 151417712
17 18 68705548
15 19 326652758
12 20 128598724
2 21 275290779
...

output:

2

result:

ok answer is '2'

Test #16:

score: 0
Accepted
time: 5ms
memory: 14952kb

input:

1000 1500
1 2 184676335
1 3 191705725
1 4 293606963
1 5 57078146
2 6 168279962
6 7 29961943
5 8 54392392
5 9 39020154
5 10 123837422
7 11 197199896
3 12 217274772
7 13 18709913
6 14 263007036
11 15 287053812
3 16 303347674
9 17 151417712
17 18 68705548
15 19 326652758
12 20 128598724
2 21 275290779
...

output:

8

result:

ok answer is '8'

Test #17:

score: 0
Accepted
time: 0ms
memory: 17224kb

input:

2000 2500
1 2 22794613
1 3 23670271
1 4 36254735
1 5 7068116
2 6 20774480
6 7 3707773
5 8 6740416
5 9 4815222
5 10 15296810
7 11 24351908
3 12 26824656
7 13 2326259
6 14 32470002
11 15 35443314
3 16 37448596
9 17 18691706
17 18 8500660
15 19 40337666
12 20 15876730
2 21 33971565
11 22 3767381
17 23 ...

output:

12

result:

ok answer is '12'

Test #18:

score: 0
Accepted
time: 0ms
memory: 15128kb

input:

2000 2500
1 2 22794613
1 3 23670271
1 4 36254735
1 5 7068116
2 6 20774480
6 7 3707773
5 8 6740416
5 9 4815222
5 10 15296810
7 11 24351908
3 12 26824656
7 13 2326259
6 14 32470002
11 15 35443314
3 16 37448596
9 17 18691706
17 18 8500660
15 19 40337666
12 20 15876730
2 21 33971565
11 22 3767381
17 23 ...

output:

2

result:

ok answer is '2'

Test #19:

score: 0
Accepted
time: 3ms
memory: 17028kb

input:

2000 2500
1 2 22794613
1 3 23670271
1 4 36254735
1 5 7068116
2 6 20774480
6 7 3707773
5 8 6740416
5 9 4815222
5 10 15296810
7 11 24351908
3 12 26824656
7 13 2326259
6 14 32470002
11 15 35443314
3 16 37448596
9 17 18691706
17 18 8500660
15 19 40337666
12 20 15876730
2 21 33971565
11 22 3767381
17 23 ...

output:

13

result:

ok answer is '13'

Test #20:

score: 0
Accepted
time: 0ms
memory: 14924kb

input:

2000 2500
1 2 22794613
1 3 23670271
1 4 36254735
1 5 7068116
2 6 20774480
6 7 3707773
5 8 6740416
5 9 4815222
5 10 15296810
7 11 24351908
3 12 26824656
7 13 2326259
6 14 32470002
11 15 35443314
3 16 37448596
9 17 18691706
17 18 8500660
15 19 40337666
12 20 15876730
2 21 33971565
11 22 3767381
17 23 ...

output:

1

result:

ok answer is '1'

Test #21:

score: 0
Accepted
time: 10ms
memory: 21444kb

input:

2000 3000
1 2 22794613
1 3 23670271
1 4 36254735
1 5 7068116
2 6 20774480
6 7 3707773
5 8 6740416
5 9 4815222
5 10 15296810
7 11 24351908
3 12 26824656
7 13 2326259
6 14 32470002
11 15 35443314
3 16 37448596
9 17 18691706
17 18 8500660
15 19 40337666
12 20 15876730
2 21 33971565
11 22 3767381
17 23 ...

output:

3

result:

ok answer is '3'

Test #22:

score: 0
Accepted
time: 7ms
memory: 20100kb

input:

2000 3000
1 2 22794613
1 3 23670271
1 4 36254735
1 5 7068116
2 6 20774480
6 7 3707773
5 8 6740416
5 9 4815222
5 10 15296810
7 11 24351908
3 12 26824656
7 13 2326259
6 14 32470002
11 15 35443314
3 16 37448596
9 17 18691706
17 18 8500660
15 19 40337666
12 20 15876730
2 21 33971565
11 22 3767381
17 23 ...

output:

1

result:

ok answer is '1'

Test #23:

score: 0
Accepted
time: 6ms
memory: 16844kb

input:

2000 2500
1 2 22794613
1 3 23670271
1 4 36254735
1 5 7068116
2 6 20774480
6 7 3707773
5 8 6740416
5 9 4815222
5 10 15296810
7 11 24351908
3 12 26824656
7 13 2326259
6 14 32470002
11 15 35443314
3 16 37448596
9 17 18691706
17 18 8500660
15 19 40337666
12 20 15876730
2 21 33971565
11 22 3767381
17 23 ...

output:

1

result:

ok answer is '1'

Test #24:

score: 0
Accepted
time: 24ms
memory: 33088kb

input:

2000 3500
1 2 22794613
1 3 23670271
1 4 36254735
1 5 7068116
2 6 20774480
6 7 3707773
5 8 6740416
5 9 4815222
5 10 15296810
7 11 24351908
3 12 26824656
7 13 2326259
6 14 32470002
11 15 35443314
3 16 37448596
9 17 18691706
17 18 8500660
15 19 40337666
12 20 15876730
2 21 33971565
11 22 3767381
17 23 ...

output:

2

result:

ok answer is '2'

Test #25:

score: 0
Accepted
time: 49ms
memory: 30616kb

input:

2000 4000
1 2 22794613
1 3 23670271
1 4 36254735
1 5 7068116
2 6 20774480
6 7 3707773
5 8 6740416
5 9 4815222
5 10 15296810
7 11 24351908
3 12 26824656
7 13 2326259
6 14 32470002
11 15 35443314
3 16 37448596
9 17 18691706
17 18 8500660
15 19 40337666
12 20 15876730
2 21 33971565
11 22 3767381
17 23 ...

output:

4

result:

ok answer is '4'

Test #26:

score: 0
Accepted
time: 0ms
memory: 14632kb

input:

2000 2300
1 2 22794613
1 3 23670271
1 4 36254735
1 5 7068116
2 6 20774480
6 7 3707773
5 8 6740416
5 9 4815222
5 10 15296810
7 11 24351908
3 12 26824656
7 13 2326259
6 14 32470002
11 15 35443314
3 16 37448596
9 17 18691706
17 18 8500660
15 19 40337666
12 20 15876730
2 21 33971565
11 22 3767381
17 23 ...

output:

1

result:

ok answer is '1'

Test #27:

score: 0
Accepted
time: 40ms
memory: 33160kb

input:

3000 5000
1 2 22794613
1 3 23670271
1 4 36254735
1 5 7068116
2 6 20774480
6 7 3707773
5 8 6740416
5 9 4815222
5 10 15296810
7 11 24351908
3 12 26824656
7 13 2326259
6 14 32470002
11 15 35443314
3 16 37448596
9 17 18691706
17 18 8500660
15 19 40337666
12 20 15876730
2 21 33971565
11 22 3767381
17 23 ...

output:

1

result:

ok answer is '1'

Test #28:

score: 0
Accepted
time: 0ms
memory: 16192kb

input:

3000 3700
1 2 22794613
1 3 23670271
1 4 36254735
1 5 7068116
2 6 20774480
6 7 3707773
5 8 6740416
5 9 4815222
5 10 15296810
7 11 24351908
3 12 26824656
7 13 2326259
6 14 32470002
11 15 35443314
3 16 37448596
9 17 18691706
17 18 8500660
15 19 40337666
12 20 15876730
2 21 33971565
11 22 3767381
17 23 ...

output:

13

result:

ok answer is '13'

Test #29:

score: 0
Accepted
time: 0ms
memory: 16192kb

input:

3000 3700
1 2 22794613
1 3 23670271
1 4 36254735
1 5 7068116
2 6 20774480
6 7 3707773
5 8 6740416
5 9 4815222
5 10 15296810
7 11 24351908
3 12 26824656
7 13 2326259
6 14 32470002
11 15 35443314
3 16 37448596
9 17 18691706
17 18 8500660
15 19 40337666
12 20 15876730
2 21 33971565
11 22 3767381
17 23 ...

output:

1

result:

ok answer is '1'

Test #30:

score: 0
Accepted
time: 101ms
memory: 82496kb

input:

5000 8000
1 2 22794613
1 3 23670271
1 4 36254735
1 5 7068116
2 6 20774480
6 7 3707773
5 8 6740416
5 9 4815222
5 10 15296810
7 11 24351908
3 12 26824656
7 13 2326259
6 14 32470002
11 15 35443314
3 16 37448596
9 17 18691706
17 18 8500660
15 19 40337666
12 20 15876730
2 21 33971565
11 22 3767381
17 23 ...

output:

3

result:

ok answer is '3'

Test #31:

score: 0
Accepted
time: 91ms
memory: 82796kb

input:

5000 8000
1 2 22794613
1 3 23670271
1 4 36254735
1 5 7068116
2 6 20774480
6 7 3707773
5 8 6740416
5 9 4815222
5 10 15296810
7 11 24351908
3 12 26824656
7 13 2326259
6 14 32470002
11 15 35443314
3 16 37448596
9 17 18691706
17 18 8500660
15 19 40337666
12 20 15876730
2 21 33971565
11 22 3767381
17 23 ...

output:

1

result:

ok answer is '1'

Test #32:

score: 0
Accepted
time: 53ms
memory: 48316kb

input:

5000 7200
1 2 22794613
1 3 23670271
1 4 36254735
1 5 7068116
2 6 20774480
6 7 3707773
5 8 6740416
5 9 4815222
5 10 15296810
7 11 24351908
3 12 26824656
7 13 2326259
6 14 32470002
11 15 35443314
3 16 37448596
9 17 18691706
17 18 8500660
15 19 40337666
12 20 15876730
2 21 33971565
11 22 3767381
17 23 ...

output:

5

result:

ok answer is '5'

Test #33:

score: 0
Accepted
time: 54ms
memory: 48280kb

input:

5000 7200
1 2 22794613
1 3 23670271
1 4 36254735
1 5 7068116
2 6 20774480
6 7 3707773
5 8 6740416
5 9 4815222
5 10 15296810
7 11 24351908
3 12 26824656
7 13 2326259
6 14 32470002
11 15 35443314
3 16 37448596
9 17 18691706
17 18 8500660
15 19 40337666
12 20 15876730
2 21 33971565
11 22 3767381
17 23 ...

output:

1

result:

ok answer is '1'

Test #34:

score: 0
Accepted
time: 102ms
memory: 84904kb

input:

5000 8000
1 2 22794613
1 3 23670271
1 4 36254735
1 5 7068116
2 6 20774480
6 7 3707773
5 8 6740416
5 9 4815222
5 10 15296810
7 11 24351908
3 12 26824656
7 13 2326259
6 14 32470002
11 15 35443314
3 16 37448596
9 17 18691706
17 18 8500660
15 19 40337666
12 20 15876730
2 21 33971565
11 22 3767381
17 23 ...

output:

6

result:

ok answer is '6'

Test #35:

score: 0
Accepted
time: 102ms
memory: 80920kb

input:

5000 8000
1 2 22794613
1 3 23670271
1 4 36254735
1 5 7068116
2 6 20774480
6 7 3707773
5 8 6740416
5 9 4815222
5 10 15296810
7 11 24351908
3 12 26824656
7 13 2326259
6 14 32470002
11 15 35443314
3 16 37448596
9 17 18691706
17 18 8500660
15 19 40337666
12 20 15876730
2 21 33971565
11 22 3767381
17 23 ...

output:

2

result:

ok answer is '2'

Test #36:

score: 0
Accepted
time: 280ms
memory: 146328kb

input:

5000 10000
1 2 4216811
1 3 4386257
1 4 6720587
1 5 1328886
2 6 3846518
6 7 694803
5 8 1271800
5 9 889810
5 10 2840518
7 11 4515600
3 12 4968300
7 13 446045
6 14 6013208
11 15 6568096
3 16 6933598
9 17 3459860
17 18 1591452
15 19 7479694
12 20 2940576
2 21 6277391
11 22 714171
17 23 95771
2 24 205804...

output:

4

result:

ok answer is '4'

Test #37:

score: 0
Accepted
time: 281ms
memory: 146748kb

input:

5000 10000
1 2 4216811
1 3 4386257
1 4 6720587
1 5 1328886
2 6 3846518
6 7 694803
5 8 1271800
5 9 889810
5 10 2840518
7 11 4515600
3 12 4968300
7 13 446045
6 14 6013208
11 15 6568096
3 16 6933598
9 17 3459860
17 18 1591452
15 19 7479694
12 20 2940576
2 21 6277391
11 22 714171
17 23 95771
2 24 205804...

output:

2

result:

ok answer is '2'

Test #38:

score: 0
Accepted
time: 12ms
memory: 20704kb

input:

5000 6000
1 2 4216811
1 3 4386257
1 4 6720587
1 5 1328886
2 6 3846518
6 7 694803
5 8 1271800
5 9 889810
5 10 2840518
7 11 4515600
3 12 4968300
7 13 446045
6 14 6013208
11 15 6568096
3 16 6933598
9 17 3459860
17 18 1591452
15 19 7479694
12 20 2940576
2 21 6277391
11 22 714171
17 23 95771
2 24 2058041...

output:

7

result:

ok answer is '7'

Test #39:

score: 0
Accepted
time: 13ms
memory: 21504kb

input:

5000 6000
1 2 4216811
1 3 4386257
1 4 6720587
1 5 1328886
2 6 3846518
6 7 694803
5 8 1271800
5 9 889810
5 10 2840518
7 11 4515600
3 12 4968300
7 13 446045
6 14 6013208
11 15 6568096
3 16 6933598
9 17 3459860
17 18 1591452
15 19 7479694
12 20 2940576
2 21 6277391
11 22 714171
17 23 95771
2 24 2058041...

output:

1

result:

ok answer is '1'

Test #40:

score: 0
Accepted
time: 16ms
memory: 20836kb

input:

5000 6000
1 2 4216811
1 3 4386257
1 4 6720587
1 5 1328886
2 6 3846518
6 7 694803
5 8 1271800
5 9 889810
5 10 2840518
7 11 4515600
3 12 4968300
7 13 446045
6 14 6013208
11 15 6568096
3 16 6933598
9 17 3459860
17 18 1591452
15 19 7479694
12 20 2940576
2 21 6277391
11 22 714171
17 23 95771
2 24 2058041...

output:

2

result:

ok answer is '2'

Test #41:

score: 0
Accepted
time: 8ms
memory: 19020kb

input:

5000 6000
1 2 4216811
1 3 4386257
1 4 6720587
1 5 1328886
2 6 3846518
6 7 694803
5 8 1271800
5 9 889810
5 10 2840518
7 11 4515600
3 12 4968300
7 13 446045
6 14 6013208
11 15 6568096
3 16 6933598
9 17 3459860
17 18 1591452
15 19 7479694
12 20 2940576
2 21 6277391
11 22 714171
17 23 95771
2 24 2058041...

output:

9

result:

ok answer is '9'

Test #42:

score: 0
Accepted
time: 30ms
memory: 34212kb

input:

5000 6666
1 2 4216811
1 3 4386257
1 4 6720587
1 5 1328886
2 6 3846518
6 7 694803
5 8 1271800
5 9 889810
5 10 2840518
7 11 4515600
3 12 4968300
7 13 446045
6 14 6013208
11 15 6568096
3 16 6933598
9 17 3459860
17 18 1591452
15 19 7479694
12 20 2940576
2 21 6277391
11 22 714171
17 23 95771
2 24 2058041...

output:

9

result:

ok answer is '9'

Test #43:

score: 0
Accepted
time: 33ms
memory: 33436kb

input:

5000 6666
1 2 4216811
1 3 4386257
1 4 6720587
1 5 1328886
2 6 3846518
6 7 694803
5 8 1271800
5 9 889810
5 10 2840518
7 11 4515600
3 12 4968300
7 13 446045
6 14 6013208
11 15 6568096
3 16 6933598
9 17 3459860
17 18 1591452
15 19 7479694
12 20 2940576
2 21 6277391
11 22 714171
17 23 95771
2 24 2058041...

output:

1

result:

ok answer is '1'

Test #44:

score: 0
Accepted
time: 13ms
memory: 19280kb

input:

5000 6000
1 2 4216811
1 3 4386257
1 4 6720587
1 5 1328886
2 6 3846518
6 7 694803
5 8 1271800
5 9 889810
5 10 2840518
7 11 4515600
3 12 4968300
7 13 446045
6 14 6013208
11 15 6568096
3 16 6933598
9 17 3459860
17 18 1591452
15 19 7479694
12 20 2940576
2 21 6277391
11 22 714171
17 23 95771
2 24 2058041...

output:

12345

result:

ok answer is '12345'

Test #45:

score: 0
Accepted
time: 7ms
memory: 24508kb

input:

5000 6000
1 2 4216811
1 3 4386257
1 4 6720587
1 5 1328886
2 6 3846518
6 7 694803
5 8 1271800
5 9 889810
5 10 2840518
7 11 4515600
3 12 4968300
7 13 446045
6 14 6013208
11 15 6568096
3 16 6933598
9 17 3459860
17 18 1591452
15 19 7479694
12 20 2940576
2 21 6277391
11 22 714171
17 23 95771
2 24 2058041...

output:

997

result:

ok answer is '997'

Test #46:

score: 0
Accepted
time: 8ms
memory: 24288kb

input:

5000 6000
1 2 4216811
1 3 4386257
1 4 6720587
1 5 1328886
2 6 3846518
6 7 694803
5 8 1271800
5 9 889810
5 10 2840518
7 11 4515600
3 12 4968300
7 13 446045
6 14 6013208
11 15 6568096
3 16 6933598
9 17 3459860
17 18 1591452
15 19 7479694
12 20 2940576
2 21 6277391
11 22 714171
17 23 95771
2 24 2058041...

output:

1

result:

ok answer is '1'

Test #47:

score: -100
Runtime Error

input:

5000 4999
1 2 4216811
1 3 4386257
1 4 6720587
1 5 1328886
2 6 3846518
6 7 694803
5 8 1271800
5 9 889810
5 10 2840518
7 11 4515600
3 12 4968300
7 13 446045
6 14 6013208
11 15 6568096
3 16 6933598
9 17 3459860
17 18 1591452
15 19 7479694
12 20 2940576
2 21 6277391
11 22 714171
17 23 95771
2 24 2058041...

output:


result: