oj.uz

Submission #1109978

# Submission time Handle Problem Language Result Execution time Memory
1109978 2024-11-08T09:57:20 Z whyalwaysmezzz Art Exhibition (JOI18_art) C++14
100 / 100
 137 ms 21064 KB 
#include <bits/stdc++.h>
#ifdef LOCAL
#define TASK "test"
#else
#define TASK "test"
#endif
using namespace std;
 
#define int long long
 
const int N = 5e5 + 5;
 
int n;
pair<int, int> a[N];
 
signed main() {
    if (fopen(TASK".inp", "r")) {
        freopen(TASK".inp", "r", stdin);
        freopen(TASK".out", "w", stdout);
    }
    if (fopen(TASK".err", "r")) {
        freopen(TASK".err", "w", stderr);
    }
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cin >> n;
    for (int i = 1; i <= n; ++i) {
        cin >> a[i].first >> a[i].second;
    }
    sort(a + 1, a + n + 1);
    int sum = 0, best = -a[1].first, res = 0;
    for (int i = 1; i <= n; ++i) {
        sum += a[i - 1].first - a[i].first + a[i].second;
        res = max(res, sum - best);
        best = min(best, sum + a[i].first - a[i + 1].first);
    }
    cout << res;
}

Compilation message

art.cpp: In function 'int main()':
art.cpp:18:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |         freopen(TASK".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
art.cpp:19:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   19 |         freopen(TASK".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
art.cpp:22:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   22 |         freopen(TASK".err", "w", stderr);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 464 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 428 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 464 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 428 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 504 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 1 ms 504 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 504 KB Output is correct
25 Correct 1 ms 436 KB Output is correct
26 Correct 1 ms 336 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 464 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 428 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 504 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 1 ms 504 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 504 KB Output is correct
25 Correct 1 ms 436 KB Output is correct
26 Correct 1 ms 336 KB Output is correct
27 Correct 2 ms 592 KB Output is correct
28 Correct 2 ms 592 KB Output is correct
29 Correct 3 ms 764 KB Output is correct
30 Correct 3 ms 632 KB Output is correct
31 Correct 3 ms 592 KB Output is correct
32 Correct 2 ms 592 KB Output is correct
33 Correct 2 ms 592 KB Output is correct
34 Correct 2 ms 484 KB Output is correct
35 Correct 2 ms 760 KB Output is correct
36 Correct 2 ms 592 KB Output is correct
37 Correct 2 ms 592 KB Output is correct
38 Correct 2 ms 592 KB Output is correct
39 Correct 2 ms 592 KB Output is correct
40 Correct 3 ms 592 KB Output is correct
41 Correct 2 ms 592 KB Output is correct
42 Correct 3 ms 760 KB Output is correct
43 Correct 2 ms 592 KB Output is correct
44 Correct 2 ms 592 KB Output is correct
45 Correct 2 ms 592 KB Output is correct
46 Correct 2 ms 592 KB Output is correct
47 Correct 3 ms 604 KB Output is correct
48 Correct 2 ms 592 KB Output is correct
49 Correct 2 ms 592 KB Output is correct
50 Correct 3 ms 476 KB Output is correct
51 Correct 2 ms 592 KB Output is correct

Subtask #4
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 464 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 428 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 504 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 1 ms 504 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 504 KB Output is correct
25 Correct 1 ms 436 KB Output is correct
26 Correct 1 ms 336 KB Output is correct
27 Correct 2 ms 592 KB Output is correct
28 Correct 2 ms 592 KB Output is correct
29 Correct 3 ms 764 KB Output is correct
30 Correct 3 ms 632 KB Output is correct
31 Correct 3 ms 592 KB Output is correct
32 Correct 2 ms 592 KB Output is correct
33 Correct 2 ms 592 KB Output is correct
34 Correct 2 ms 484 KB Output is correct
35 Correct 2 ms 760 KB Output is correct
36 Correct 2 ms 592 KB Output is correct
37 Correct 2 ms 592 KB Output is correct
38 Correct 2 ms 592 KB Output is correct
39 Correct 2 ms 592 KB Output is correct
40 Correct 3 ms 592 KB Output is correct
41 Correct 2 ms 592 KB Output is correct
42 Correct 3 ms 760 KB Output is correct
43 Correct 2 ms 592 KB Output is correct
44 Correct 2 ms 592 KB Output is correct
45 Correct 2 ms 592 KB Output is correct
46 Correct 2 ms 592 KB Output is correct
47 Correct 3 ms 604 KB Output is correct
48 Correct 2 ms 592 KB Output is correct
49 Correct 2 ms 592 KB Output is correct
50 Correct 3 ms 476 KB Output is correct
51 Correct 2 ms 592 KB Output is correct
52 Correct 126 ms 19240 KB Output is correct
53 Correct 133 ms 17992 KB Output is correct
54 Correct 129 ms 20080 KB Output is correct
55 Correct 125 ms 20296 KB Output is correct
56 Correct 124 ms 21064 KB Output is correct
57 Correct 131 ms 20296 KB Output is correct
58 Correct 133 ms 17276 KB Output is correct
59 Correct 130 ms 19528 KB Output is correct
60 Correct 130 ms 20296 KB Output is correct
61 Correct 135 ms 19528 KB Output is correct
62 Correct 126 ms 19724 KB Output is correct
63 Correct 129 ms 18716 KB Output is correct
64 Correct 129 ms 19452 KB Output is correct
65 Correct 126 ms 17740 KB Output is correct
66 Correct 129 ms 19272 KB Output is correct
67 Correct 124 ms 19732 KB Output is correct
68 Correct 137 ms 18628 KB Output is correct