QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#236103 | #7177. Many Many Cycles | fzj2007# | WA | 1ms | 3812kb | C++17 | 1.4kb | 2023-11-03 16:26:26 | 2023-11-03 16:26:26 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
template<typename T>inline void read(T &x){
x=0;
char ch=getchar();
bool flag=0;
while(ch>'9'||ch<'0') flag=flag||ch=='-',ch=getchar();
while(ch>='0'&&ch<='9') x=x*10+ch-'0',ch=getchar();
x=flag?-x:x;
}
template<typename T,typename ...Args>inline void read(T &x,Args &...args){
read(x),read(args...);
}
template<typename T>inline void prt(T x){
if(x>9) prt(x/10);
putchar(x%10+'0');
}
template<typename T>inline void put(T x){
if(x<0) putchar('-'),x=-x;
prt(x);
}
template<typename T>inline void put(char ch,T x){
put(x),putchar(ch);
}
template<typename T,typename ...Args>inline void put(char ch,T x,Args ...args){
put(ch,x),put(ch,args...);
}
#define N 20005
#define ll long long
int n,m,dep[N];
struct edge{
int v,nxt,w;
}e[N<<1];
int head[N],cnt;
inline void add(int u,int v,int w){
e[++cnt]=(edge){v,head[u],w},head[u]=cnt;
}
ll dis[N],g;
bool vis[N];
inline ll gcd(ll x,ll y){
return !y?x:gcd(y,x%y);
}
inline void dfs(int x,int fa){
vis[x]=1,dep[x]=dep[fa]+1;
for(int i=head[x];i;i=e[i].nxt){
int v=e[i].v;
if(v==fa) continue;
if(!vis[v]) dis[v]=dis[x]+e[i].w,dfs(v,x);
else if(dep[x]>dep[v]) g=gcd(g,dis[x]-dis[v]+e[i].w);
}
}
int main(){
read(n,m);
for(int i=1,u,v,w;i<=m;i++)
read(u,v,w),add(u,v,w),add(v,u,w);
dfs(1,0);
put('\n',g);
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3704kb
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: 0ms
memory: 3560kb
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: 3560kb
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: 0ms
memory: 3564kb
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: 0ms
memory: 3624kb
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: 0ms
memory: 3716kb
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: 0ms
memory: 3564kb
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: 0ms
memory: 3640kb
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: 0ms
memory: 3756kb
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: 0ms
memory: 3756kb
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: 0ms
memory: 3760kb
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: 0ms
memory: 3640kb
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: 1ms
memory: 3600kb
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: 0ms
memory: 3560kb
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: 0ms
memory: 3696kb
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: 0ms
memory: 3760kb
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: 3800kb
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: 1ms
memory: 3788kb
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: 1ms
memory: 3792kb
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: 1ms
memory: 3800kb
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: 1ms
memory: 3812kb
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: -100
Wrong Answer
time: 1ms
memory: 3664kb
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:
wrong answer expected '1', found '3'