Submission #1292432

#	Time	Username	Problem	Language	Result	Execution time	Memory
1292432		chaitanyamehta	Lost Array (NOI19_lostarray)	C++20	0 / 100	21 ms	440 KiB

lostarray

// https://oj.uz/problem/view/NOI19_charges
#include<bits/stdc++.h>
using namespace std;

#define int long long
#define pii pair<int ,int>

signed main(){
    int n , q;
    cin >> n >> q;
    vector<int> ans(n + 1, 0);
    while(q--){
        char t;
        cin>>t;
        int u , v;cin>>u>>v;

        if(v == 1) swap(u , v);

        
        
        if(t == 'A'){
            ans[v] = 1;
        }
        else if(t == 'R'){
            ans[v] = 2;
        }
        else{
            if(ans[v] == 1) cout << "A\n";
            else if(ans[v] == 2) cout << "R\n";
            else cout << "?\n";
        }
    }
}

• Subtask 1: 0 / 5
• Subtask 2: 0 / 6
• Subtask 3: 0 / 20
• Subtask 4: 0 / 21
• Subtask 5: 0 / 48