oj.uz

Submission #884907

# Submission time Handle Problem Language Result Execution time Memory
884907 2023-12-08T16:27:38 Z Ahmed57 Jail (JOI22_jail) C++17
0 / 100
 1 ms 348 KB 
#include <bits/stdc++.h>
 
using namespace std;
int bit[120001];
int n;
void add(int e){
    while(e<=n){
        bit[e]++;
        e+=e&-e;
    }
}
int sum(int e){
    int su = 0;
    while(e>=1){
        su+=bit[e];
        e-=e&-e;
    }
    return su;
}
signed main(){
    ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
    //freopen("input.txt","r",stdin);
    //freopen("out.txt","w",stdout);
    int t;cin>>t;
    z:while(t--){
    cin>>n;
    for(int i = 1;i<=n;i++)bit[i] = 0;
    for(int i = 1;i<n;i++){
        int a,b;cin>>a>>b;
    }
    int q;cin>>q;
    vector<pair<int,int>> qu;
    for(int i = 1;i<=q;i++){
        int a,b;
        cin>>a>>b;
        if(a>b)swap(a,b);
        qu.push_back({a,b});
    }
    sort(qu.begin(),qu.end());
    for(auto i:qu){
        if(sum(n)-sum(i.second)>0){
            cout<<"No\n";
            continue;
        }
        add(i.second);
    }
    cout<<"Yes\n";
}
    return 0;
}

Compilation message

jail.cpp: In function 'int main()':
jail.cpp:25:5: warning: label 'z' defined but not used [-Wunused-label]
   25 |     z:while(t--){
      |     ^

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Incorrect 0 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Incorrect 0 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Incorrect 0 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Incorrect 0 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Incorrect 0 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Incorrect 0 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #7
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Incorrect 0 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -