Submission #644947

#	Time	Username	Problem	Language	Result	Execution time	Memory
644947		Iwanttobreakfree	Radio (COCI22_radio)	C++17	10 / 110	1577 ms	724 KiB

Main

#include <iostream>
#include <vector>

using namespace std;

int gcd (int a,int b) {
    if (!b) return a;
    return gcd (b, a%b);
}

int main() {
    int n, q;
    cin >> n >> q;
    vector<int> v (n+1);
    while (q--) {
        char t;
        cin >> t;
        if (t == 'C') {
            int x, y;
            cin >> x >> y;
            bool ok = false;
            for (int i = x;i <= y; ++i) {
                for (int j = i+1; j<=y;++j){
                    if (v[i]&&v[j]&&gcd (i, j) > 1) ok = true;
                }
            }
            if (ok) cout << "DA\n";
            else cout << "NE\n";

        } else {
            int x;
            cin >> x;
            v[x] = 1-v[x];

        }
    }
}

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