Submission #1219201

#	Time	Username	Problem	Language	Result	Execution time	Memory
1219201		mariamp1	XORanges (eJOI19_xoranges)	C++20	0 / 100	1096 ms	1308 KiB

xoranges

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

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    int n, q;
    cin >> n >> q;
    vector<int> a(n);
    for(int i = 0; i < n; i++) cin >> a[i];
    while (q--) {
        int l, r;
        cin >> l >> r;
        int curx = 0, lastx = -1, count = 0;
        for (int i = l; i <= r; ++i) {
            curx ^= a[i];
            if (curx > lastx) {
                count++;
                lastx = curx;
                curx = 0;
            }
        }
        cout << count << '\n';
    }
    return 0;
}

• Subtask 1: 0 / 12
• Subtask 2: 0 / 18
• Subtask 3: 0 / 25
• Subtask 4: 0 / 20
• Subtask 5: 0 / 25