oj.uz

Submission #672140

# Submission time Handle Problem Language Result Execution time Memory
672140 2022-12-14T20:20:10 Z Stavab Art Exhibition (JOI18_art) C++14
100 / 100
 190 ms 24740 KB 
#include <iostream>
#include <vector>
#include <utility>
#include <algorithm>
     
using namespace std;
     
int main()
{
    int n;
    scanf("%d", &n);
        
    vector<pair<long long, long long>> v(n);
    for(int i = 0; i < n; i++)
    {
        scanf("%lld", &v[i].first);
        scanf("%lld", &v[i].second);
    }
        
    sort(v.begin(), v.end());
        
    vector<long long> sums(n + 1);
    sums[0] = 0;
    for(int i = 0; i < n; i++)
        sums[i + 1] = sums[i] + v[i].second;
        
    long long best = 0;
    long long curMax = -9999999999999999;
    for(int i = n - 1; i >= 0; i--)
    {
        curMax = max(curMax, sums[i + 1] - v[i].first);
        
        best = max(best, curMax - sums[i] + v[i].first);
    }
        
    printf("%lld\n", best);
        
    return 0;
}

Compilation message

art.cpp: In function 'int main()':
art.cpp:11:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |     scanf("%d", &n);
      |     ~~~~~^~~~~~~~~~
art.cpp:16:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |         scanf("%lld", &v[i].first);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~
art.cpp:17:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |         scanf("%lld", &v[i].second);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 300 KB Output is correct
9 Correct 1 ms 308 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 300 KB Output is correct
9 Correct 1 ms 308 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 304 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 304 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 308 KB Output is correct
26 Correct 1 ms 304 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 300 KB Output is correct
9 Correct 1 ms 308 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 304 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 304 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 308 KB Output is correct
26 Correct 1 ms 304 KB Output is correct
27 Correct 3 ms 440 KB Output is correct
28 Correct 2 ms 484 KB Output is correct
29 Correct 2 ms 468 KB Output is correct
30 Correct 2 ms 468 KB Output is correct
31 Correct 2 ms 468 KB Output is correct
32 Correct 2 ms 468 KB Output is correct
33 Correct 2 ms 468 KB Output is correct
34 Correct 3 ms 488 KB Output is correct
35 Correct 2 ms 492 KB Output is correct
36 Correct 2 ms 504 KB Output is correct
37 Correct 2 ms 468 KB Output is correct
38 Correct 2 ms 468 KB Output is correct
39 Correct 2 ms 440 KB Output is correct
40 Correct 3 ms 468 KB Output is correct
41 Correct 2 ms 480 KB Output is correct
42 Correct 2 ms 436 KB Output is correct
43 Correct 2 ms 468 KB Output is correct
44 Correct 2 ms 468 KB Output is correct
45 Correct 2 ms 532 KB Output is correct
46 Correct 2 ms 488 KB Output is correct
47 Correct 2 ms 440 KB Output is correct
48 Correct 2 ms 440 KB Output is correct
49 Correct 2 ms 468 KB Output is correct
50 Correct 2 ms 440 KB Output is correct
51 Correct 2 ms 468 KB Output is correct

Subtask #4
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 300 KB Output is correct
9 Correct 1 ms 308 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 304 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 304 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 308 KB Output is correct
26 Correct 1 ms 304 KB Output is correct
27 Correct 3 ms 440 KB Output is correct
28 Correct 2 ms 484 KB Output is correct
29 Correct 2 ms 468 KB Output is correct
30 Correct 2 ms 468 KB Output is correct
31 Correct 2 ms 468 KB Output is correct
32 Correct 2 ms 468 KB Output is correct
33 Correct 2 ms 468 KB Output is correct
34 Correct 3 ms 488 KB Output is correct
35 Correct 2 ms 492 KB Output is correct
36 Correct 2 ms 504 KB Output is correct
37 Correct 2 ms 468 KB Output is correct
38 Correct 2 ms 468 KB Output is correct
39 Correct 2 ms 440 KB Output is correct
40 Correct 3 ms 468 KB Output is correct
41 Correct 2 ms 480 KB Output is correct
42 Correct 2 ms 436 KB Output is correct
43 Correct 2 ms 468 KB Output is correct
44 Correct 2 ms 468 KB Output is correct
45 Correct 2 ms 532 KB Output is correct
46 Correct 2 ms 488 KB Output is correct
47 Correct 2 ms 440 KB Output is correct
48 Correct 2 ms 440 KB Output is correct
49 Correct 2 ms 468 KB Output is correct
50 Correct 2 ms 440 KB Output is correct
51 Correct 2 ms 468 KB Output is correct
52 Correct 187 ms 24544 KB Output is correct
53 Correct 186 ms 24612 KB Output is correct
54 Correct 173 ms 24616 KB Output is correct
55 Correct 178 ms 24600 KB Output is correct
56 Correct 171 ms 24656 KB Output is correct
57 Correct 178 ms 24652 KB Output is correct
58 Correct 177 ms 24740 KB Output is correct
59 Correct 170 ms 24616 KB Output is correct
60 Correct 170 ms 24600 KB Output is correct
61 Correct 177 ms 24500 KB Output is correct
62 Correct 175 ms 24604 KB Output is correct
63 Correct 173 ms 24628 KB Output is correct
64 Correct 176 ms 24620 KB Output is correct
65 Correct 171 ms 24588 KB Output is correct
66 Correct 176 ms 24584 KB Output is correct
67 Correct 173 ms 24608 KB Output is correct
68 Correct 190 ms 24564 KB Output is correct