#pragma GCC optimize("Ofast")
#include <bits/stdc++.h>
using namespace std;
mt19937_64 rng((int)std::chrono::steady_clock::now().time_since_epoch().count());
const int MAXN = 3e5 + 10;
const int MOD = 1e9 + 7;
#define int long long
int rnd(int x, int y) { // random number generator
int u= uniform_int_distribution<int>(x, y)(rng); return u;
}
void solve(int tc) {
int N;
cin >> N;
pair<int, int> p[N+1];
for(int i=1; i<=N; i++) cin >> p[i].first >> p[i].second;
sort(p+1, p+N+1);
int ps[N+1] = {};
for(int i=1; i<=N; i++) ps[i] = ps[i-1] + p[i].second;
pair<int, int> mx[N+2];
mx[N+1] = {-1e16, N + 1};
for(int i=N; i>=1; i--) {
mx[i] = max(mx[i+1], {ps[i] - p[i].first, i});
}
int ans = 0;
for(int i=1; i<=N; i++) ans = max(ans, mx[i].first - ps[i-1] + p[i].first);
cout << ans << "\n";
}
int32_t main(){
ios::sync_with_stdio(0); cin.tie(0);
int t = 1; //cin >> t;
for(int i=1; i<=t; i++) solve(i);
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
204 KB |
Output is correct |
| 2 |
Correct |
0 ms |
204 KB |
Output is correct |
| 3 |
Correct |
0 ms |
204 KB |
Output is correct |
| 4 |
Correct |
1 ms |
312 KB |
Output is correct |
| 5 |
Correct |
0 ms |
204 KB |
Output is correct |
| 6 |
Correct |
0 ms |
204 KB |
Output is correct |
| 7 |
Correct |
0 ms |
204 KB |
Output is correct |
| 8 |
Correct |
1 ms |
316 KB |
Output is correct |
| 9 |
Correct |
0 ms |
204 KB |
Output is correct |
| 10 |
Correct |
0 ms |
204 KB |
Output is correct |
| 11 |
Correct |
1 ms |
204 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
204 KB |
Output is correct |
| 2 |
Correct |
0 ms |
204 KB |
Output is correct |
| 3 |
Correct |
0 ms |
204 KB |
Output is correct |
| 4 |
Correct |
1 ms |
312 KB |
Output is correct |
| 5 |
Correct |
0 ms |
204 KB |
Output is correct |
| 6 |
Correct |
0 ms |
204 KB |
Output is correct |
| 7 |
Correct |
0 ms |
204 KB |
Output is correct |
| 8 |
Correct |
1 ms |
316 KB |
Output is correct |
| 9 |
Correct |
0 ms |
204 KB |
Output is correct |
| 10 |
Correct |
0 ms |
204 KB |
Output is correct |
| 11 |
Correct |
1 ms |
204 KB |
Output is correct |
| 12 |
Correct |
0 ms |
332 KB |
Output is correct |
| 13 |
Correct |
1 ms |
332 KB |
Output is correct |
| 14 |
Correct |
0 ms |
316 KB |
Output is correct |
| 15 |
Correct |
1 ms |
332 KB |
Output is correct |
| 16 |
Correct |
1 ms |
332 KB |
Output is correct |
| 17 |
Correct |
1 ms |
332 KB |
Output is correct |
| 18 |
Correct |
1 ms |
204 KB |
Output is correct |
| 19 |
Correct |
1 ms |
332 KB |
Output is correct |
| 20 |
Correct |
1 ms |
332 KB |
Output is correct |
| 21 |
Correct |
1 ms |
332 KB |
Output is correct |
| 22 |
Correct |
1 ms |
332 KB |
Output is correct |
| 23 |
Correct |
1 ms |
204 KB |
Output is correct |
| 24 |
Correct |
1 ms |
204 KB |
Output is correct |
| 25 |
Correct |
1 ms |
320 KB |
Output is correct |
| 26 |
Correct |
1 ms |
332 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
204 KB |
Output is correct |
| 2 |
Correct |
0 ms |
204 KB |
Output is correct |
| 3 |
Correct |
0 ms |
204 KB |
Output is correct |
| 4 |
Correct |
1 ms |
312 KB |
Output is correct |
| 5 |
Correct |
0 ms |
204 KB |
Output is correct |
| 6 |
Correct |
0 ms |
204 KB |
Output is correct |
| 7 |
Correct |
0 ms |
204 KB |
Output is correct |
| 8 |
Correct |
1 ms |
316 KB |
Output is correct |
| 9 |
Correct |
0 ms |
204 KB |
Output is correct |
| 10 |
Correct |
0 ms |
204 KB |
Output is correct |
| 11 |
Correct |
1 ms |
204 KB |
Output is correct |
| 12 |
Correct |
0 ms |
332 KB |
Output is correct |
| 13 |
Correct |
1 ms |
332 KB |
Output is correct |
| 14 |
Correct |
0 ms |
316 KB |
Output is correct |
| 15 |
Correct |
1 ms |
332 KB |
Output is correct |
| 16 |
Correct |
1 ms |
332 KB |
Output is correct |
| 17 |
Correct |
1 ms |
332 KB |
Output is correct |
| 18 |
Correct |
1 ms |
204 KB |
Output is correct |
| 19 |
Correct |
1 ms |
332 KB |
Output is correct |
| 20 |
Correct |
1 ms |
332 KB |
Output is correct |
| 21 |
Correct |
1 ms |
332 KB |
Output is correct |
| 22 |
Correct |
1 ms |
332 KB |
Output is correct |
| 23 |
Correct |
1 ms |
204 KB |
Output is correct |
| 24 |
Correct |
1 ms |
204 KB |
Output is correct |
| 25 |
Correct |
1 ms |
320 KB |
Output is correct |
| 26 |
Correct |
1 ms |
332 KB |
Output is correct |
| 27 |
Correct |
2 ms |
588 KB |
Output is correct |
| 28 |
Correct |
2 ms |
588 KB |
Output is correct |
| 29 |
Correct |
2 ms |
520 KB |
Output is correct |
| 30 |
Correct |
2 ms |
588 KB |
Output is correct |
| 31 |
Correct |
4 ms |
620 KB |
Output is correct |
| 32 |
Correct |
2 ms |
580 KB |
Output is correct |
| 33 |
Correct |
5 ms |
576 KB |
Output is correct |
| 34 |
Correct |
2 ms |
592 KB |
Output is correct |
| 35 |
Correct |
2 ms |
580 KB |
Output is correct |
| 36 |
Correct |
3 ms |
496 KB |
Output is correct |
| 37 |
Correct |
2 ms |
576 KB |
Output is correct |
| 38 |
Correct |
2 ms |
588 KB |
Output is correct |
| 39 |
Correct |
3 ms |
632 KB |
Output is correct |
| 40 |
Correct |
4 ms |
564 KB |
Output is correct |
| 41 |
Correct |
3 ms |
588 KB |
Output is correct |
| 42 |
Correct |
3 ms |
640 KB |
Output is correct |
| 43 |
Correct |
4 ms |
588 KB |
Output is correct |
| 44 |
Correct |
3 ms |
588 KB |
Output is correct |
| 45 |
Correct |
3 ms |
572 KB |
Output is correct |
| 46 |
Correct |
3 ms |
588 KB |
Output is correct |
| 47 |
Correct |
3 ms |
572 KB |
Output is correct |
| 48 |
Correct |
3 ms |
496 KB |
Output is correct |
| 49 |
Correct |
2 ms |
580 KB |
Output is correct |
| 50 |
Correct |
5 ms |
524 KB |
Output is correct |
| 51 |
Correct |
3 ms |
508 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
204 KB |
Output is correct |
| 2 |
Correct |
0 ms |
204 KB |
Output is correct |
| 3 |
Correct |
0 ms |
204 KB |
Output is correct |
| 4 |
Correct |
1 ms |
312 KB |
Output is correct |
| 5 |
Correct |
0 ms |
204 KB |
Output is correct |
| 6 |
Correct |
0 ms |
204 KB |
Output is correct |
| 7 |
Correct |
0 ms |
204 KB |
Output is correct |
| 8 |
Correct |
1 ms |
316 KB |
Output is correct |
| 9 |
Correct |
0 ms |
204 KB |
Output is correct |
| 10 |
Correct |
0 ms |
204 KB |
Output is correct |
| 11 |
Correct |
1 ms |
204 KB |
Output is correct |
| 12 |
Correct |
0 ms |
332 KB |
Output is correct |
| 13 |
Correct |
1 ms |
332 KB |
Output is correct |
| 14 |
Correct |
0 ms |
316 KB |
Output is correct |
| 15 |
Correct |
1 ms |
332 KB |
Output is correct |
| 16 |
Correct |
1 ms |
332 KB |
Output is correct |
| 17 |
Correct |
1 ms |
332 KB |
Output is correct |
| 18 |
Correct |
1 ms |
204 KB |
Output is correct |
| 19 |
Correct |
1 ms |
332 KB |
Output is correct |
| 20 |
Correct |
1 ms |
332 KB |
Output is correct |
| 21 |
Correct |
1 ms |
332 KB |
Output is correct |
| 22 |
Correct |
1 ms |
332 KB |
Output is correct |
| 23 |
Correct |
1 ms |
204 KB |
Output is correct |
| 24 |
Correct |
1 ms |
204 KB |
Output is correct |
| 25 |
Correct |
1 ms |
320 KB |
Output is correct |
| 26 |
Correct |
1 ms |
332 KB |
Output is correct |
| 27 |
Correct |
2 ms |
588 KB |
Output is correct |
| 28 |
Correct |
2 ms |
588 KB |
Output is correct |
| 29 |
Correct |
2 ms |
520 KB |
Output is correct |
| 30 |
Correct |
2 ms |
588 KB |
Output is correct |
| 31 |
Correct |
4 ms |
620 KB |
Output is correct |
| 32 |
Correct |
2 ms |
580 KB |
Output is correct |
| 33 |
Correct |
5 ms |
576 KB |
Output is correct |
| 34 |
Correct |
2 ms |
592 KB |
Output is correct |
| 35 |
Correct |
2 ms |
580 KB |
Output is correct |
| 36 |
Correct |
3 ms |
496 KB |
Output is correct |
| 37 |
Correct |
2 ms |
576 KB |
Output is correct |
| 38 |
Correct |
2 ms |
588 KB |
Output is correct |
| 39 |
Correct |
3 ms |
632 KB |
Output is correct |
| 40 |
Correct |
4 ms |
564 KB |
Output is correct |
| 41 |
Correct |
3 ms |
588 KB |
Output is correct |
| 42 |
Correct |
3 ms |
640 KB |
Output is correct |
| 43 |
Correct |
4 ms |
588 KB |
Output is correct |
| 44 |
Correct |
3 ms |
588 KB |
Output is correct |
| 45 |
Correct |
3 ms |
572 KB |
Output is correct |
| 46 |
Correct |
3 ms |
588 KB |
Output is correct |
| 47 |
Correct |
3 ms |
572 KB |
Output is correct |
| 48 |
Correct |
3 ms |
496 KB |
Output is correct |
| 49 |
Correct |
2 ms |
580 KB |
Output is correct |
| 50 |
Correct |
5 ms |
524 KB |
Output is correct |
| 51 |
Correct |
3 ms |
508 KB |
Output is correct |
| 52 |
Correct |
194 ms |
29716 KB |
Output is correct |
| 53 |
Correct |
208 ms |
32424 KB |
Output is correct |
| 54 |
Correct |
228 ms |
32580 KB |
Output is correct |
| 55 |
Correct |
224 ms |
32432 KB |
Output is correct |
| 56 |
Correct |
178 ms |
32508 KB |
Output is correct |
| 57 |
Correct |
184 ms |
32424 KB |
Output is correct |
| 58 |
Correct |
208 ms |
32432 KB |
Output is correct |
| 59 |
Correct |
216 ms |
32412 KB |
Output is correct |
| 60 |
Correct |
275 ms |
32436 KB |
Output is correct |
| 61 |
Correct |
199 ms |
32296 KB |
Output is correct |
| 62 |
Correct |
234 ms |
32424 KB |
Output is correct |
| 63 |
Correct |
190 ms |
32424 KB |
Output is correct |
| 64 |
Correct |
253 ms |
32424 KB |
Output is correct |
| 65 |
Correct |
213 ms |
32408 KB |
Output is correct |
| 66 |
Correct |
202 ms |
32416 KB |
Output is correct |
| 67 |
Correct |
195 ms |
32420 KB |
Output is correct |
| 68 |
Correct |
199 ms |
32424 KB |
Output is correct |
