Submission #884892

#	Time	Username	Problem	Language	Result	Execution time	Memory
884892		Ahmed57	Jail (JOI22_jail)	C++17	0 / 100	0 ms	348 KiB

jail

#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;
        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 (stderr)

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
• Subtask 2: 0 / 5
• Subtask 3: 0 / 16
• Subtask 4: 0 / 28
• Subtask 5: 0 / 12
• Subtask 6: 0 / 11
• Subtask 7: 0 / 23