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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#261460 | #6127. Kawa Exam | taxuankien | WA | 2ms | 6900kb | C++20 | 1.5kb | 2023-11-22 21:58:26 | 2023-11-22 21:58:26 |
Judging History
answer
#include <bits/stdc++.h>
#define ll long long
using namespace std;
int n,m;
const int mx=1e5+5;
int a[mx], u[mx], v[mx], res=0, q1, q2;
vector <int> vt[mx];
bool seen[mx];
void bfs(int i){
vector<int> lt;
lt.push_back(i);
queue<int> q;
q.push(i);
seen[i]=1;
while (!q.empty()){
int u=q.front();
q.pop();
for (auto v:vt[u]){
if (!seen[v]){
q.push(v);
seen[v]=1;
lt.push_back(v);
}
}
}
int d=0;
map <int,int> m;
for (auto v:lt){
m[a[v]]++;
d=max(d,m[a[v]]);
}
res+=d;
}
int main(){
ios_base::sync_with_stdio(0);
cin.tie(0);cout.tie(0);
int t; cin >> t;
while (t--){
cin >> n >> m;
for (int i=1;i<=n;i++) cin >> a[i];
for (int i=1; i<=m;i++){
cin >> u[i] >> v[i];
}
for (int i=1;i<=m;i++){
for (int j=1; j<=n; j++) vt[j].clear();
for (int j=1; j<=m; j++){
if (j==i) continue;
vt[u[j]].push_back(v[j]);
vt[v[j]].push_back(u[j]);
}
for (int j=1;j<=n;j++) seen[j]=0;
res=0;
for (int j=1;j<=n;j++){
if (!seen[j]) bfs(j);
}
if (i!=m) cout << res<<' ';
//else cout << res<<'\n';
}
//cout << '\n';
}
return 0;
}
Details
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Test #1:
score: 0
Wrong Answer
time: 2ms
memory: 6900kb
input:
3 7 5 1 2 1 2 1 2 1 1 2 1 3 2 4 5 6 5 7 3 3 1 2 3 1 2 1 3 2 3 2 3 12345 54321 1 2 1 2 1 1
output:
6 5 5 5 1 1 1 1
result:
wrong answer 1st lines differ - expected: '6 5 5 5 4', found: '6 5 5 5 1 1 1 1 '