제출 #1292432

#제출 시각아이디문제언어결과실행 시간메모리
1292432chaitanyamehtaLost Array (NOI19_lostarray)C++20
0 / 100
21 ms440 KiB
// 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"; } } }
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