Submission #505946

# Submission time Handle Problem Language Result Execution time Memory
505946 2022-01-11T10:55:05 Z cig32 Art Exhibition (JOI18_art) C++17
100 / 100
275 ms 32580 KB
#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);
}
# Verdict Execution time Memory 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
# Verdict Execution time Memory 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
# Verdict Execution time Memory 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
# Verdict Execution time Memory 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