#include <bits/stdc++.h>
using namespace std;
const int N = 100100;
int x[N], g[N], e[N];
long long pg[N], pe[N], prefmin[N];
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
int n;
cin >> n;
prefmin[0] = LLONG_MAX;
for (int i = 1; i <= n; i++) {
cin >> x[i] >> g[i] >> e[i];
pg[i] = pg[i-1] + g[i];
pe[i] = pe[i-1] + e[i];
prefmin[i] = min(prefmin[i-1], pe[i-1]-x[i]);
}
long long answer = 0;
for (int r = 1; r <= n; r++) {
int A = 1, B = r;
while (A < B) {
int l = (A + B) >> 1;
if (prefmin[l] <= pe[r]-x[r])
B = l;
else
A = l + 1;
}
if (prefmin[B] <= pe[r]-x[r])
answer = max(answer, pg[r]-pg[B-1]);
}
cout << answer;
return 0;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
340 KB |
Output is correct |
| 2 |
Correct |
0 ms |
340 KB |
Output is correct |
| 3 |
Correct |
0 ms |
340 KB |
Output is correct |
| 4 |
Correct |
1 ms |
340 KB |
Output is correct |
| 5 |
Correct |
0 ms |
340 KB |
Output is correct |
| 6 |
Correct |
0 ms |
340 KB |
Output is correct |
| 7 |
Correct |
0 ms |
340 KB |
Output is correct |
| 8 |
Correct |
0 ms |
340 KB |
Output is correct |
| 9 |
Correct |
0 ms |
340 KB |
Output is correct |
| 10 |
Correct |
0 ms |
340 KB |
Output is correct |
| 11 |
Correct |
0 ms |
340 KB |
Output is correct |
| 12 |
Correct |
0 ms |
340 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
340 KB |
Output is correct |
| 2 |
Correct |
0 ms |
340 KB |
Output is correct |
| 3 |
Correct |
0 ms |
340 KB |
Output is correct |
| 4 |
Correct |
1 ms |
340 KB |
Output is correct |
| 5 |
Correct |
0 ms |
340 KB |
Output is correct |
| 6 |
Correct |
0 ms |
340 KB |
Output is correct |
| 7 |
Correct |
0 ms |
340 KB |
Output is correct |
| 8 |
Correct |
0 ms |
340 KB |
Output is correct |
| 9 |
Correct |
0 ms |
340 KB |
Output is correct |
| 10 |
Correct |
0 ms |
340 KB |
Output is correct |
| 11 |
Correct |
0 ms |
340 KB |
Output is correct |
| 12 |
Correct |
0 ms |
340 KB |
Output is correct |
| 13 |
Correct |
0 ms |
340 KB |
Output is correct |
| 14 |
Correct |
0 ms |
340 KB |
Output is correct |
| 15 |
Correct |
0 ms |
340 KB |
Output is correct |
| 16 |
Correct |
1 ms |
340 KB |
Output is correct |
| 17 |
Correct |
1 ms |
340 KB |
Output is correct |
| 18 |
Correct |
1 ms |
396 KB |
Output is correct |
| 19 |
Correct |
1 ms |
340 KB |
Output is correct |
| 20 |
Correct |
1 ms |
392 KB |
Output is correct |
| 21 |
Correct |
1 ms |
396 KB |
Output is correct |
| 22 |
Correct |
1 ms |
340 KB |
Output is correct |
| 23 |
Correct |
3 ms |
596 KB |
Output is correct |
| 24 |
Correct |
2 ms |
592 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
340 KB |
Output is correct |
| 2 |
Correct |
0 ms |
340 KB |
Output is correct |
| 3 |
Correct |
0 ms |
340 KB |
Output is correct |
| 4 |
Correct |
1 ms |
340 KB |
Output is correct |
| 5 |
Correct |
0 ms |
340 KB |
Output is correct |
| 6 |
Correct |
0 ms |
340 KB |
Output is correct |
| 7 |
Correct |
0 ms |
340 KB |
Output is correct |
| 8 |
Correct |
0 ms |
340 KB |
Output is correct |
| 9 |
Correct |
0 ms |
340 KB |
Output is correct |
| 10 |
Correct |
0 ms |
340 KB |
Output is correct |
| 11 |
Correct |
0 ms |
340 KB |
Output is correct |
| 12 |
Correct |
0 ms |
340 KB |
Output is correct |
| 13 |
Correct |
0 ms |
340 KB |
Output is correct |
| 14 |
Correct |
0 ms |
340 KB |
Output is correct |
| 15 |
Correct |
0 ms |
340 KB |
Output is correct |
| 16 |
Correct |
1 ms |
340 KB |
Output is correct |
| 17 |
Correct |
1 ms |
340 KB |
Output is correct |
| 18 |
Correct |
1 ms |
396 KB |
Output is correct |
| 19 |
Correct |
1 ms |
340 KB |
Output is correct |
| 20 |
Correct |
1 ms |
392 KB |
Output is correct |
| 21 |
Correct |
1 ms |
396 KB |
Output is correct |
| 22 |
Correct |
1 ms |
340 KB |
Output is correct |
| 23 |
Correct |
3 ms |
596 KB |
Output is correct |
| 24 |
Correct |
2 ms |
592 KB |
Output is correct |
| 25 |
Correct |
1 ms |
468 KB |
Output is correct |
| 26 |
Correct |
2 ms |
740 KB |
Output is correct |
| 27 |
Correct |
3 ms |
848 KB |
Output is correct |
| 28 |
Correct |
17 ms |
3060 KB |
Output is correct |
| 29 |
Correct |
16 ms |
3396 KB |
Output is correct |
| 30 |
Correct |
34 ms |
6732 KB |
Output is correct |
| 31 |
Correct |
25 ms |
5448 KB |
Output is correct |
| 32 |
Correct |
25 ms |
5568 KB |
Output is correct |
| 33 |
Correct |
24 ms |
5452 KB |
Output is correct |
| 34 |
Correct |
30 ms |
5456 KB |
Output is correct |
| 35 |
Correct |
31 ms |
5908 KB |
Output is correct |
| 36 |
Correct |
28 ms |
6080 KB |
Output is correct |
