제출 #704259

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
704259		ancuber1031	Radio (COCI22_radio)	C++14	10 / 110	1568 ms	1108 KiB

Main

#pragma GCC optimize("O3")
#include <bits/stdc++.h>
using namespace std;

#define int long long
#define pii pair<int,int>
#define p_q priority_queue
#define endl '\n'
#define pb push_back

signed main() {
    ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
    int n, q; cin>>n>>q;
    vector<int> bl(n+1,0);
    while(q--) {
        char c; cin>>c;
        if (c == 'S') {
            int k; cin>>k;
            bl[k] = !bl[k];
        } else {
            int cnt = 0;
            int l, r; cin>>l>>r;
            for (int i = l; i <= r; ++i) {
                for (int j = i+1; j <= r; ++j) {
                    if (!bl[i] || !bl[j]) continue;
                    cnt += (__gcd(i,j) != 1);
                }
            }
            if (cnt) cout<<"DA"<<endl;
            else cout<<"NE"<<endl;
        }
    }
    return 0;
}

• Subtask 1: 10 / 10
• Subtask 2: 0 / 30
• Subtask 3: 0 / 70