#include <bits/stdc++.h>
using namespace std;
#define int long long
const int N = 500'000 + 10;
int n;
pair<int, int> art[N];
int f[N][2];
int32_t main() {
cin.tie(0)->sync_with_stdio(0);
cin >> n;
for (int i = 1; i <= n; ++i) cin >> art[i].first >> art[i].second;
sort(art + 1, art + n + 1);
memset(f, -14, sizeof f);
for (int i = 1; i <= n; ++i) {
const auto& [a, b] = art[i];
f[i][0] = max(f[i - 1][0] + b, b + a);
f[i][1] = max(f[i - 1][1], f[i - 1][0] + b - a);
}
cout << f[n][1] << "\n";
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
2 ms |
8784 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
2 ms |
8784 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
2 ms |
8784 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
2 ms |
8784 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |