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Submission #1100853

# Submission time Handle Problem Language Result Execution time Memory
1100853 2024-10-14T19:54:35 Z imarn Curtains (NOI23_curtains) C++14
0 / 100
 1 ms 468 KB 
#include<bits/stdc++.h>
#define ll long long
#define pii pair<int,int>
#define pll pair<ll,ll>
#define plx pair<ll,int>
#define f first
#define s second
#define pb push_back
#define all(x) x.begin(),x.end()
#define vi vector<int>
#define vl vector<ll>
#define vvi vector<vi>
using namespace std;
const int mxn=5e5+5;
int pr[mxn]{0};
int get(int r){
    return pr[r]==r?r:pr[r]=get(pr[r]);
}
int main(){
    ios_base::sync_with_stdio(0);cin.tie(0);
    int n,m,q;cin>>n>>m>>q;
    iota(pr,pr+n+2,0);
    for(int i=1;i<=m;i++){
        int l,r;cin>>l>>r;r++;
        pr[get(r)]=pr[get(l)];
    }
    while(q--){
        int s,e;cin>>s>>e;e++;
        if(get(s)==get(e))cout<<"YES\n";
        else cout<<"NO\n";
    }
}

Subtask #1
0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Incorrect 1 ms 336 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Incorrect 1 ms 336 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Incorrect 1 ms 336 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Incorrect 1 ms 468 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #5
0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Incorrect 1 ms 336 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Incorrect 1 ms 336 KB Output isn't correct
3 Halted 0 ms 0 KB -