#include <bits/stdc++.h>
using namespace std;
int n, m;
vector<int> a;
int cost(int l, int r) {
vector<int> c(n, 0);
stack<int> st;
for (int i = 0; i <= r; i++) {
while (not st.empty() and a[st.top()] <= a[i]) st.pop();
if (not st.empty()) c[st.top()] = a[st.top()] + a[i];
st.push(i);
}
int ret = 0;
for (int i = l; i <= r; i++) {
ret = max(ret, c[i]);
}
return ret;
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
if (n > 5000) exit(0);
cin >> n >> m;
a.resize(n);
for (int &x : a) {
cin >> x;
}
while (m--) {
int l, r, k;
cin >> l >> r >> k;
l--, r--;
cout << (cost(l, r) <= k) << '\n';
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
600 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
504 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
2 ms |
344 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
600 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
504 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
2 ms |
344 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
17 ms |
348 KB |
Output is correct |
12 |
Correct |
61 ms |
472 KB |
Output is correct |
13 |
Correct |
72 ms |
344 KB |
Output is correct |
14 |
Correct |
125 ms |
348 KB |
Output is correct |
15 |
Correct |
123 ms |
476 KB |
Output is correct |
16 |
Correct |
86 ms |
344 KB |
Output is correct |
17 |
Correct |
53 ms |
484 KB |
Output is correct |
18 |
Correct |
86 ms |
344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3089 ms |
8272 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3041 ms |
1240 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
600 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
504 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
2 ms |
344 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
17 ms |
348 KB |
Output is correct |
12 |
Correct |
61 ms |
472 KB |
Output is correct |
13 |
Correct |
72 ms |
344 KB |
Output is correct |
14 |
Correct |
125 ms |
348 KB |
Output is correct |
15 |
Correct |
123 ms |
476 KB |
Output is correct |
16 |
Correct |
86 ms |
344 KB |
Output is correct |
17 |
Correct |
53 ms |
484 KB |
Output is correct |
18 |
Correct |
86 ms |
344 KB |
Output is correct |
19 |
Execution timed out |
3070 ms |
2024 KB |
Time limit exceeded |
20 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
600 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
504 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
2 ms |
344 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
17 ms |
348 KB |
Output is correct |
12 |
Correct |
61 ms |
472 KB |
Output is correct |
13 |
Correct |
72 ms |
344 KB |
Output is correct |
14 |
Correct |
125 ms |
348 KB |
Output is correct |
15 |
Correct |
123 ms |
476 KB |
Output is correct |
16 |
Correct |
86 ms |
344 KB |
Output is correct |
17 |
Correct |
53 ms |
484 KB |
Output is correct |
18 |
Correct |
86 ms |
344 KB |
Output is correct |
19 |
Execution timed out |
3089 ms |
8272 KB |
Time limit exceeded |
20 |
Halted |
0 ms |
0 KB |
- |