#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define sp ' '
#define en '\n'
#define smin(a, b) a = min(a, b)
#define smax(a, b) a = max(a, b)
using namespace std;
const int N = 1e6 + 2;
const int inf = 2e9;
int main() {
ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
int n; cin >> n;
vector<ll> x(n + 1), g(n + 1), e(n + 1);
for (int i = 1; i <= n; i++) {
cin >> x[i] >> g[i] >> e[i];
g[i] += g[i - 1];
e[i] += e[i - 1];
}
vector<ll> pref(n + 1);
for (int i = 1; i <= n; i++) pref[i] = max(pref[i - 1], x[i] - e[i - 1]);
ll ans = 0;
for (int i = 1; i <= n; i++) {
int l = 1; int r = i; int id = -1;
while (l <= r) {
int mid = l + r >> 1;
if (pref[mid] >= x[i] - e[i]) {
r = mid - 1;
id = mid;
}
else l = mid + 1;
}
if (id == -1) continue;
smax(ans, g[i] - g[id - 1]);
}
cout << ans << en;
return 0;
}
Compilation message
divide.cpp: In function 'int main()':
divide.cpp:28:25: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
28 | int mid = l + r >> 1;
| ~~^~~
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
316 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 |
320 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
320 KB |
Output is correct |
| 7 |
Correct |
0 ms |
212 KB |
Output is correct |
| 8 |
Correct |
0 ms |
212 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| 11 |
Correct |
0 ms |
212 KB |
Output is correct |
| 12 |
Correct |
0 ms |
212 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
316 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 |
320 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
320 KB |
Output is correct |
| 7 |
Correct |
0 ms |
212 KB |
Output is correct |
| 8 |
Correct |
0 ms |
212 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| 11 |
Correct |
0 ms |
212 KB |
Output is correct |
| 12 |
Correct |
0 ms |
212 KB |
Output is correct |
| 13 |
Correct |
0 ms |
212 KB |
Output is correct |
| 14 |
Correct |
1 ms |
316 KB |
Output is correct |
| 15 |
Correct |
1 ms |
340 KB |
Output is correct |
| 16 |
Correct |
1 ms |
340 KB |
Output is correct |
| 17 |
Correct |
1 ms |
336 KB |
Output is correct |
| 18 |
Correct |
1 ms |
336 KB |
Output is correct |
| 19 |
Correct |
1 ms |
336 KB |
Output is correct |
| 20 |
Correct |
1 ms |
340 KB |
Output is correct |
| 21 |
Correct |
1 ms |
336 KB |
Output is correct |
| 22 |
Correct |
1 ms |
340 KB |
Output is correct |
| 23 |
Correct |
3 ms |
544 KB |
Output is correct |
| 24 |
Correct |
2 ms |
468 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
316 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 |
320 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
320 KB |
Output is correct |
| 7 |
Correct |
0 ms |
212 KB |
Output is correct |
| 8 |
Correct |
0 ms |
212 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| 11 |
Correct |
0 ms |
212 KB |
Output is correct |
| 12 |
Correct |
0 ms |
212 KB |
Output is correct |
| 13 |
Correct |
0 ms |
212 KB |
Output is correct |
| 14 |
Correct |
1 ms |
316 KB |
Output is correct |
| 15 |
Correct |
1 ms |
340 KB |
Output is correct |
| 16 |
Correct |
1 ms |
340 KB |
Output is correct |
| 17 |
Correct |
1 ms |
336 KB |
Output is correct |
| 18 |
Correct |
1 ms |
336 KB |
Output is correct |
| 19 |
Correct |
1 ms |
336 KB |
Output is correct |
| 20 |
Correct |
1 ms |
340 KB |
Output is correct |
| 21 |
Correct |
1 ms |
336 KB |
Output is correct |
| 22 |
Correct |
1 ms |
340 KB |
Output is correct |
| 23 |
Correct |
3 ms |
544 KB |
Output is correct |
| 24 |
Correct |
2 ms |
468 KB |
Output is correct |
| 25 |
Correct |
2 ms |
468 KB |
Output is correct |
| 26 |
Correct |
3 ms |
668 KB |
Output is correct |
| 27 |
Correct |
3 ms |
720 KB |
Output is correct |
| 28 |
Correct |
14 ms |
2764 KB |
Output is correct |
| 29 |
Correct |
19 ms |
3276 KB |
Output is correct |
| 30 |
Correct |
34 ms |
6240 KB |
Output is correct |
| 31 |
Correct |
26 ms |
5092 KB |
Output is correct |
| 32 |
Correct |
27 ms |
5224 KB |
Output is correct |
| 33 |
Correct |
25 ms |
4972 KB |
Output is correct |
| 34 |
Correct |
27 ms |
4972 KB |
Output is correct |
| 35 |
Correct |
27 ms |
5584 KB |
Output is correct |
| 36 |
Correct |
28 ms |
5720 KB |
Output is correct |
