oj.uz

Submission #972434

# Submission time Handle Problem Language Result Execution time Memory
972434 2024-04-30T12:17:14 Z blackslex Art Exhibition (JOI18_art) C++17
100 / 100
 153 ms 24856 KB 
#include<bits/stdc++.h>

using namespace std;
using ll = long long;
using pii = pair<ll, ll>;

int n;

int main() {
    scanf("%d", &n);
    vector<pii> a(n + 5);
    for (int i = 1; i <= n; i++) scanf("%lld %lld", &a[i].first, &a[i].second);
    sort(a.begin() + 1, a.begin() + n + 1);
    vector<ll> pref(n + 5);
    for (int i = 1; i <= n; i++) pref[i] = pref[i - 1] + a[i].second;
    ll cmx = 0, ans;
    for (int i = 1; i <= n; i++) {
        cmx = max(cmx, a[i].first - pref[i - 1]);
        ans = max(ans, pref[i] - a[i].first + cmx);
    }
    printf("%lld", ans);
}

Compilation message

art.cpp: In function 'int main()':
art.cpp:10:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |     scanf("%d", &n);
      |     ~~~~~^~~~~~~~~~
art.cpp:12:39: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |     for (int i = 1; i <= n; i++) scanf("%lld %lld", &a[i].first, &a[i].second);
      |                                  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
art.cpp:16:17: warning: 'ans' may be used uninitialized in this function [-Wmaybe-uninitialized]
   16 |     ll cmx = 0, ans;
      |                 ^~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 432 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 432 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 432 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 432 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 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 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 440 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 444 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 344 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 432 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 432 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 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 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 440 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 444 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 344 KB Output is correct
27 Correct 2 ms 604 KB Output is correct
28 Correct 2 ms 604 KB Output is correct
29 Correct 2 ms 648 KB Output is correct
30 Correct 2 ms 604 KB Output is correct
31 Correct 2 ms 604 KB Output is correct
32 Correct 2 ms 604 KB Output is correct
33 Correct 2 ms 604 KB Output is correct
34 Correct 2 ms 600 KB Output is correct
35 Correct 2 ms 600 KB Output is correct
36 Correct 2 ms 600 KB Output is correct
37 Correct 2 ms 604 KB Output is correct
38 Correct 2 ms 604 KB Output is correct
39 Correct 2 ms 820 KB Output is correct
40 Correct 2 ms 624 KB Output is correct
41 Correct 2 ms 604 KB Output is correct
42 Correct 2 ms 444 KB Output is correct
43 Correct 2 ms 604 KB Output is correct
44 Correct 2 ms 448 KB Output is correct
45 Correct 2 ms 604 KB Output is correct
46 Correct 2 ms 604 KB Output is correct
47 Correct 2 ms 604 KB Output is correct
48 Correct 2 ms 604 KB Output is correct
49 Correct 2 ms 604 KB Output is correct
50 Correct 2 ms 604 KB Output is correct
51 Correct 2 ms 604 KB Output is correct

Subtask #4
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 432 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 432 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 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 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 440 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 444 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 344 KB Output is correct
27 Correct 2 ms 604 KB Output is correct
28 Correct 2 ms 604 KB Output is correct
29 Correct 2 ms 648 KB Output is correct
30 Correct 2 ms 604 KB Output is correct
31 Correct 2 ms 604 KB Output is correct
32 Correct 2 ms 604 KB Output is correct
33 Correct 2 ms 604 KB Output is correct
34 Correct 2 ms 600 KB Output is correct
35 Correct 2 ms 600 KB Output is correct
36 Correct 2 ms 600 KB Output is correct
37 Correct 2 ms 604 KB Output is correct
38 Correct 2 ms 604 KB Output is correct
39 Correct 2 ms 820 KB Output is correct
40 Correct 2 ms 624 KB Output is correct
41 Correct 2 ms 604 KB Output is correct
42 Correct 2 ms 444 KB Output is correct
43 Correct 2 ms 604 KB Output is correct
44 Correct 2 ms 448 KB Output is correct
45 Correct 2 ms 604 KB Output is correct
46 Correct 2 ms 604 KB Output is correct
47 Correct 2 ms 604 KB Output is correct
48 Correct 2 ms 604 KB Output is correct
49 Correct 2 ms 604 KB Output is correct
50 Correct 2 ms 604 KB Output is correct
51 Correct 2 ms 604 KB Output is correct
52 Correct 145 ms 24744 KB Output is correct
53 Correct 147 ms 24740 KB Output is correct
54 Correct 153 ms 24740 KB Output is correct
55 Correct 140 ms 24736 KB Output is correct
56 Correct 140 ms 24684 KB Output is correct
57 Correct 149 ms 24748 KB Output is correct
58 Correct 140 ms 24764 KB Output is correct
59 Correct 141 ms 24660 KB Output is correct
60 Correct 144 ms 24660 KB Output is correct
61 Correct 142 ms 24656 KB Output is correct
62 Correct 138 ms 24620 KB Output is correct
63 Correct 141 ms 24744 KB Output is correct
64 Correct 144 ms 24660 KB Output is correct
65 Correct 145 ms 24660 KB Output is correct
66 Correct 140 ms 24748 KB Output is correct
67 Correct 143 ms 24660 KB Output is correct
68 Correct 147 ms 24856 KB Output is correct