QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#266964 | #7738. Equivalent Rewriting | ValenciaTravis | WA | 0ms | 6172kb | C++20 | 1.1kb | 2023-11-26 20:24:01 | 2023-11-26 20:24:02 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define MAXN 100005
int n, m, a[MAXN], in[MAXN], ans[MAXN];
vector<int> e[MAXN];
void push(int x, int y){
e[x].push_back(y);
in[y]++;
}
void work(){
scanf("%d%d", &n, &m);
int k, x;
for(int i=1;i<=n;i++){
scanf("%d", &k);
for(int j=1;j<=k;j++) {
scanf("%d", &x);
if(a[x] && a[x] != i) push(a[x], i);
a[x] = i;
}
}
priority_queue<int> q;
for(int i=1;i<=n;i++) if(!in[i]) q.push(i);
int cnt = 0;
while(!q.empty()){
int x = q.top();
q.pop();
ans[++cnt] = x;
for(auto v : e[x]){
in[v]--;
if(!in[v]) q.push(v);
}
}
bool flag = true;
for(int i=1;i<=n;i++) flag &= ans[i] == i;
if(flag) puts("No");
else {
puts("Yes");
for(int i=1;i<=n;i++) printf("%d ", ans[i]);
puts("");
}
for(int i=1;i<=m;i++) e[i].clear(), in[i] = 0, ans[i] = 0, a[i] = 0;
}
int main(){
int t;
cin>>t;
while(t--) work();
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 6172kb
input:
3 3 6 3 3 1 5 2 5 3 2 2 6 2 3 3 1 3 2 2 3 1 1 3 2 2 1
output:
Yes 3 1 2 No No
result:
ok OK. (3 test cases)
Test #2:
score: -100
Wrong Answer
time: 0ms
memory: 5932kb
input:
1 10 5 2 2 4 4 1 3 4 2 1 2 3 2 1 4 4 5 2 4 3 3 2 5 4 3 5 4 2 3 1 3 2 5 1 4 2 3 5 1 4
output:
No
result:
wrong answer jury found an answer but participant did not (test case 1)