제출 #1219201

#제출 시각아이디문제언어결과실행 시간메모리
1219201mariamp1XORanges (eJOI19_xoranges)C++20
0 / 100
1096 ms1308 KiB
#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; }
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