#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pii pair<long long, long long>
signed main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
int n;
cin >> n;
vector<pii> ab(n);
for (int i = 0; i < n; i++) cin >> ab[i].first >> ab[i].second;
sort(ab.begin(), ab.end());
vector<int> a(n), b(n);
for (int i = 0; i < n; i++) {
a[i] = ab[i].first;
b[i] = ab[i].second;
}
vector<int> profit(n);
for (int i = 1; i < n; i++) {
profit[i] = a[i - 1] - a[i] + b[i];
}
vector<int> prefit(n + 1);
for (int i = 0; i < n; i++) prefit[i + 1] = prefit[i] + profit[i];
vector<int> smxp(n + 1);
smxp[n] = prefit[n];
for (int i = n - 1; i >= 0; i--) smxp[i] = max(smxp[i + 1], prefit[i]);
vector<int> rmxp(n + 1);
for (int i = 0; i < n + 1; i++) rmxp[i] = smxp[i] - prefit[i];
/*for (int i = 0; i < n; i++) cout << profit[i] << " ";
cout << "\n";
for (int i = 0; i < n + 1; i++) cout << prefit[i] << " ";
cout << "\n";
for (int i = 0; i < n + 1; i++) cout << smxp[i] << " ";
cout << "\n";
for (int i = 0; i < n + 1; i++) cout << rmxp[i] << " ";
cout << "\n";*/
int ans = 0;
for (int i = 0; i < n; i++) ans = max(ans, rmxp[i + 1] + b[i]);
cout << ans << "\n";
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
344 KB |
Output is correct |
| 4 |
Correct |
0 ms |
344 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
348 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
1 ms |
348 KB |
Output is correct |
| 9 |
Correct |
1 ms |
348 KB |
Output is correct |
| 10 |
Correct |
0 ms |
348 KB |
Output is correct |
| 11 |
Correct |
0 ms |
348 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
344 KB |
Output is correct |
| 4 |
Correct |
0 ms |
344 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
348 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
1 ms |
348 KB |
Output is correct |
| 9 |
Correct |
1 ms |
348 KB |
Output is correct |
| 10 |
Correct |
0 ms |
348 KB |
Output is correct |
| 11 |
Correct |
0 ms |
348 KB |
Output is correct |
| 12 |
Correct |
0 ms |
348 KB |
Output is correct |
| 13 |
Correct |
0 ms |
348 KB |
Output is correct |
| 14 |
Correct |
0 ms |
344 KB |
Output is correct |
| 15 |
Correct |
0 ms |
348 KB |
Output is correct |
| 16 |
Correct |
0 ms |
348 KB |
Output is correct |
| 17 |
Correct |
0 ms |
348 KB |
Output is correct |
| 18 |
Correct |
0 ms |
348 KB |
Output is correct |
| 19 |
Correct |
0 ms |
348 KB |
Output is correct |
| 20 |
Correct |
0 ms |
348 KB |
Output is correct |
| 21 |
Correct |
0 ms |
344 KB |
Output is correct |
| 22 |
Correct |
0 ms |
348 KB |
Output is correct |
| 23 |
Correct |
0 ms |
348 KB |
Output is correct |
| 24 |
Correct |
0 ms |
348 KB |
Output is correct |
| 25 |
Correct |
1 ms |
344 KB |
Output is correct |
| 26 |
Correct |
0 ms |
348 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
344 KB |
Output is correct |
| 4 |
Correct |
0 ms |
344 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
348 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
1 ms |
348 KB |
Output is correct |
| 9 |
Correct |
1 ms |
348 KB |
Output is correct |
| 10 |
Correct |
0 ms |
348 KB |
Output is correct |
| 11 |
Correct |
0 ms |
348 KB |
Output is correct |
| 12 |
Correct |
0 ms |
348 KB |
Output is correct |
| 13 |
Correct |
0 ms |
348 KB |
Output is correct |
| 14 |
Correct |
0 ms |
344 KB |
Output is correct |
| 15 |
Correct |
0 ms |
348 KB |
Output is correct |
| 16 |
Correct |
0 ms |
348 KB |
Output is correct |
| 17 |
Correct |
0 ms |
348 KB |
Output is correct |
| 18 |
Correct |
0 ms |
348 KB |
Output is correct |
| 19 |
Correct |
0 ms |
348 KB |
Output is correct |
| 20 |
Correct |
0 ms |
348 KB |
Output is correct |
| 21 |
Correct |
0 ms |
344 KB |
Output is correct |
| 22 |
Correct |
0 ms |
348 KB |
Output is correct |
| 23 |
Correct |
0 ms |
348 KB |
Output is correct |
| 24 |
Correct |
0 ms |
348 KB |
Output is correct |
| 25 |
Correct |
1 ms |
344 KB |
Output is correct |
| 26 |
Correct |
0 ms |
348 KB |
Output is correct |
| 27 |
Correct |
1 ms |
604 KB |
Output is correct |
| 28 |
Correct |
1 ms |
604 KB |
Output is correct |
| 29 |
Correct |
1 ms |
604 KB |
Output is correct |
| 30 |
Correct |
1 ms |
604 KB |
Output is correct |
| 31 |
Correct |
1 ms |
604 KB |
Output is correct |
| 32 |
Correct |
1 ms |
536 KB |
Output is correct |
| 33 |
Correct |
2 ms |
604 KB |
Output is correct |
| 34 |
Correct |
1 ms |
604 KB |
Output is correct |
| 35 |
Correct |
2 ms |
604 KB |
Output is correct |
| 36 |
Correct |
1 ms |
604 KB |
Output is correct |
| 37 |
Correct |
1 ms |
604 KB |
Output is correct |
| 38 |
Correct |
1 ms |
600 KB |
Output is correct |
| 39 |
Correct |
1 ms |
600 KB |
Output is correct |
| 40 |
Correct |
2 ms |
604 KB |
Output is correct |
| 41 |
Correct |
2 ms |
604 KB |
Output is correct |
| 42 |
Correct |
3 ms |
604 KB |
Output is correct |
| 43 |
Correct |
2 ms |
604 KB |
Output is correct |
| 44 |
Correct |
2 ms |
604 KB |
Output is correct |
| 45 |
Correct |
1 ms |
604 KB |
Output is correct |
| 46 |
Correct |
1 ms |
604 KB |
Output is correct |
| 47 |
Correct |
2 ms |
604 KB |
Output is correct |
| 48 |
Correct |
1 ms |
604 KB |
Output is correct |
| 49 |
Correct |
1 ms |
604 KB |
Output is correct |
| 50 |
Correct |
1 ms |
604 KB |
Output is correct |
| 51 |
Correct |
1 ms |
604 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
344 KB |
Output is correct |
| 4 |
Correct |
0 ms |
344 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
348 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
1 ms |
348 KB |
Output is correct |
| 9 |
Correct |
1 ms |
348 KB |
Output is correct |
| 10 |
Correct |
0 ms |
348 KB |
Output is correct |
| 11 |
Correct |
0 ms |
348 KB |
Output is correct |
| 12 |
Correct |
0 ms |
348 KB |
Output is correct |
| 13 |
Correct |
0 ms |
348 KB |
Output is correct |
| 14 |
Correct |
0 ms |
344 KB |
Output is correct |
| 15 |
Correct |
0 ms |
348 KB |
Output is correct |
| 16 |
Correct |
0 ms |
348 KB |
Output is correct |
| 17 |
Correct |
0 ms |
348 KB |
Output is correct |
| 18 |
Correct |
0 ms |
348 KB |
Output is correct |
| 19 |
Correct |
0 ms |
348 KB |
Output is correct |
| 20 |
Correct |
0 ms |
348 KB |
Output is correct |
| 21 |
Correct |
0 ms |
344 KB |
Output is correct |
| 22 |
Correct |
0 ms |
348 KB |
Output is correct |
| 23 |
Correct |
0 ms |
348 KB |
Output is correct |
| 24 |
Correct |
0 ms |
348 KB |
Output is correct |
| 25 |
Correct |
1 ms |
344 KB |
Output is correct |
| 26 |
Correct |
0 ms |
348 KB |
Output is correct |
| 27 |
Correct |
1 ms |
604 KB |
Output is correct |
| 28 |
Correct |
1 ms |
604 KB |
Output is correct |
| 29 |
Correct |
1 ms |
604 KB |
Output is correct |
| 30 |
Correct |
1 ms |
604 KB |
Output is correct |
| 31 |
Correct |
1 ms |
604 KB |
Output is correct |
| 32 |
Correct |
1 ms |
536 KB |
Output is correct |
| 33 |
Correct |
2 ms |
604 KB |
Output is correct |
| 34 |
Correct |
1 ms |
604 KB |
Output is correct |
| 35 |
Correct |
2 ms |
604 KB |
Output is correct |
| 36 |
Correct |
1 ms |
604 KB |
Output is correct |
| 37 |
Correct |
1 ms |
604 KB |
Output is correct |
| 38 |
Correct |
1 ms |
600 KB |
Output is correct |
| 39 |
Correct |
1 ms |
600 KB |
Output is correct |
| 40 |
Correct |
2 ms |
604 KB |
Output is correct |
| 41 |
Correct |
2 ms |
604 KB |
Output is correct |
| 42 |
Correct |
3 ms |
604 KB |
Output is correct |
| 43 |
Correct |
2 ms |
604 KB |
Output is correct |
| 44 |
Correct |
2 ms |
604 KB |
Output is correct |
| 45 |
Correct |
1 ms |
604 KB |
Output is correct |
| 46 |
Correct |
1 ms |
604 KB |
Output is correct |
| 47 |
Correct |
2 ms |
604 KB |
Output is correct |
| 48 |
Correct |
1 ms |
604 KB |
Output is correct |
| 49 |
Correct |
1 ms |
604 KB |
Output is correct |
| 50 |
Correct |
1 ms |
604 KB |
Output is correct |
| 51 |
Correct |
1 ms |
604 KB |
Output is correct |
| 52 |
Correct |
122 ms |
31568 KB |
Output is correct |
| 53 |
Correct |
120 ms |
31568 KB |
Output is correct |
| 54 |
Correct |
130 ms |
31596 KB |
Output is correct |
| 55 |
Correct |
129 ms |
31568 KB |
Output is correct |
| 56 |
Correct |
117 ms |
31576 KB |
Output is correct |
| 57 |
Correct |
119 ms |
31580 KB |
Output is correct |
| 58 |
Correct |
123 ms |
31584 KB |
Output is correct |
| 59 |
Correct |
116 ms |
31576 KB |
Output is correct |
| 60 |
Correct |
127 ms |
31572 KB |
Output is correct |
| 61 |
Correct |
117 ms |
31568 KB |
Output is correct |
| 62 |
Correct |
121 ms |
31572 KB |
Output is correct |
| 63 |
Correct |
120 ms |
31588 KB |
Output is correct |
| 64 |
Correct |
120 ms |
31584 KB |
Output is correct |
| 65 |
Correct |
117 ms |
31572 KB |
Output is correct |
| 66 |
Correct |
117 ms |
31572 KB |
Output is correct |
| 67 |
Correct |
124 ms |
31572 KB |
Output is correct |
| 68 |
Correct |
123 ms |
31572 KB |
Output is correct |
