Submission #1159765

#	Time	Username	Problem	Language	Result	Execution time	Memory
1159765		gelastropod	Specijacija (COCI20_specijacija)	C++20	10 / 110	4094 ms	2492 KiB

Main

#include <bits/stdc++.h>
using namespace std;
#define int long long

signed main() {
    int n, q, t, a, b;
    cin >> n >> q >> t;
    vector<int> A;
    for (int i = 0; i < n; i++) {
        cin >> a;
        a--;
        A.push_back(a);
    }
    for (int i = 0; i < q; i++) {
        cin >> a >> b;
        a--, b--;
        while (a != b) {
            int ka = (1 + pow(1 + 8 * a, 0.5f)) / 2;
            int kb = (1 + pow(1 + 8 * b, 0.5f)) / 2;
            if (ka < kb) {
                b -= kb;
                if (b < A[kb - 2])
                    b++;
            }
            else if (ka > kb) {
                a -= ka;
                if (a < A[ka - 2])
                    a++;
            }
            else {
                b -= kb;
                if (b < A[kb - 2])
                    b++;
                a -= ka;
                if (a < A[ka - 2])
                    a++;
            }
        }
        cout << a + 1 << '\n';
    }
}

• Subtask 1: 10 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 30
• Subtask 4: 0 / 60