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Copy path1807D.cpp
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48 lines (41 loc) · 1.06 KB
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// Created on 08-Sep-25
//done
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef vector<ll> vl;
#define faster ios_base::sync_with_stdio(false);cin.tie(NULL)
#define getUnique(v) {sort(v.begin(), v.end()); v.erase(unique(v.begin(), v.end()), v.end());}
#define nl '\n'
int main() {
faster;
int t;
cin >> t;
while (t--) {
ll n, q;
cin >> n >> q;
vi v(n);
vl prefSum(n);
for (ll i = 0; i < n; i++) {
cin >> v[i];
}
prefSum[0] = v[0];
for (ll i = 1; i < n; i++) {
prefSum[i] = prefSum[i - 1] + v[i];
}
while (q--) {
ll l, r, k;
ll sum = prefSum[n - 1];
cin >> l >> r >> k;
if (l == 1) {
sum -= prefSum[r - 1];
} else
sum -= prefSum[r - 1] - prefSum[l - 2];
sum += (k * (r - l + 1));
if (sum % 2 != 0) cout << "YES" << endl;
else cout << "NO" << endl;
}
}
return 0;
}