/**
* author: wxhtzdy
* created: 08.08.2023 19:40:14
**/
#include <bits/stdc++.h>
using namespace std;
int main() {
ios::sync_with_stdio(false);
cin.tie(0);
int n;
cin >> n;
vector<int> a(n);
for (int i = 0; i < n; i++) {
cin >> a[i];
}
auto Check = [&](int i, int l, int r) {
int s = a[i];
int L = i, R = i;
while (L > l || R < r) {
if (L > l && s >= a[L - 1]) {
s += a[L - 1];
L--;
continue;
}
if (R < r && s >= a[R + 1]) {
s += a[R + 1];
R++;
continue;
}
break;
}
return (L == l && R == r);
};
int q;
cin >> q;
while (q--) {
int op;
cin >> op;
if (op == 1) {
int x, y;
cin >> x >> y;
--x;
a[x] = y;
} else {
int l, r;
cin >> l >> r;
--l; --r;
int res = 0;
for (int i = l; i <= r; i++) {
if (Check(i, l, r)) {
res += 1;
}
}
cout << res << '\n';
}
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Incorrect |
3 ms |
212 KB |
Output isn't correct |
6 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Incorrect |
13 ms |
724 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Incorrect |
3 ms |
212 KB |
Output isn't correct |
6 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Incorrect |
13 ms |
724 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Incorrect |
13 ms |
724 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Incorrect |
3 ms |
212 KB |
Output isn't correct |
6 |
Halted |
0 ms |
0 KB |
- |