// Online C++ compiler to run C++ program online
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int N = 1e5 + 7;
ll x[N], g[N], d[N], mx[N];
int main() {
int n;cin >> n;
for(int i = 1;i <= n;i++) {
cin >> x[i] >> g[i] >> d[i];
g[i] += g[i-1], d[i] += d[i-1];
}
ll l = 0, r = 1e15, ans = -1;
while(l <= r) {
ll mid = l + (r - l) / 2;
ll ok = 0;
for(int i = 1;i <= n;i++) {
mx[i] = max(mx[i - 1], x[i]- d[i - 1]);
ll _l = 0, _r = i - 1, pos = -1;
while(_l <= _r) {
ll _m = _l + (_r - _l) / 2;
if(g[i] - g[_m] >= mid) pos = _m, _l = _m + 1;
else _r = _m - 1;
}
if(pos == -1) continue;
if(x[i] - d[i] <= mx[pos + 1]) {
ok = 1;
break;
}
}
if(ok) ans = mid, l = mid + 1;
else r = mid - 1;
}
cout << ans << endl;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 3 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 4 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 5 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 6 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 7 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 8 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 9 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 10 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 11 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 12 |
Correct |
1 ms |
2492 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 3 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 4 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 5 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 6 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 7 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 8 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 9 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 10 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 11 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 12 |
Correct |
1 ms |
2492 KB |
Output is correct |
| 13 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 14 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 15 |
Correct |
2 ms |
2396 KB |
Output is correct |
| 16 |
Correct |
2 ms |
2524 KB |
Output is correct |
| 17 |
Correct |
3 ms |
2512 KB |
Output is correct |
| 18 |
Correct |
3 ms |
2396 KB |
Output is correct |
| 19 |
Correct |
2 ms |
2396 KB |
Output is correct |
| 20 |
Correct |
2 ms |
2396 KB |
Output is correct |
| 21 |
Correct |
2 ms |
2544 KB |
Output is correct |
| 22 |
Correct |
3 ms |
2396 KB |
Output is correct |
| 23 |
Correct |
8 ms |
2652 KB |
Output is correct |
| 24 |
Correct |
8 ms |
2652 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 2 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 3 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 4 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 5 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 6 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 7 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 8 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 9 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 10 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 11 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 12 |
Correct |
1 ms |
2492 KB |
Output is correct |
| 13 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 14 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 15 |
Correct |
2 ms |
2396 KB |
Output is correct |
| 16 |
Correct |
2 ms |
2524 KB |
Output is correct |
| 17 |
Correct |
3 ms |
2512 KB |
Output is correct |
| 18 |
Correct |
3 ms |
2396 KB |
Output is correct |
| 19 |
Correct |
2 ms |
2396 KB |
Output is correct |
| 20 |
Correct |
2 ms |
2396 KB |
Output is correct |
| 21 |
Correct |
2 ms |
2544 KB |
Output is correct |
| 22 |
Correct |
3 ms |
2396 KB |
Output is correct |
| 23 |
Correct |
8 ms |
2652 KB |
Output is correct |
| 24 |
Correct |
8 ms |
2652 KB |
Output is correct |
| 25 |
Correct |
6 ms |
2396 KB |
Output is correct |
| 26 |
Correct |
11 ms |
2652 KB |
Output is correct |
| 27 |
Correct |
13 ms |
2652 KB |
Output is correct |
| 28 |
Correct |
69 ms |
3932 KB |
Output is correct |
| 29 |
Correct |
75 ms |
4152 KB |
Output is correct |
| 30 |
Correct |
159 ms |
6456 KB |
Output is correct |
| 31 |
Correct |
137 ms |
5268 KB |
Output is correct |
| 32 |
Correct |
139 ms |
5160 KB |
Output is correct |
| 33 |
Correct |
142 ms |
5180 KB |
Output is correct |
| 34 |
Correct |
172 ms |
5172 KB |
Output is correct |
| 35 |
Correct |
183 ms |
5608 KB |
Output is correct |
| 36 |
Correct |
190 ms |
5996 KB |
Output is correct |
