oj.uz

Submission #516306

# Submission time Handle Problem Language Result Execution time Memory
516306 2022-01-21T04:53:25 Z Jomnoi Art Exhibition (JOI18_art) C++17
100 / 100
 233 ms 32684 KB 
#include <bits/stdc++.h>
#define DEBUG 0
using namespace std;

const int N = 5e5 + 10;
const long long INF = 1e18 + 7;

long long qs[N], dpl[N], dpr[N];

int main() {
    int n;
    cin >> n;

    vector <pair <long long, int>> vec;
    vec.emplace_back(0, 0);
    for(int i = 1; i <= n; i++) {
        long long a;
        int b;
        scanf(" %lld %d", &a, &b);
        vec.emplace_back(a, b);
    }
    sort(vec.begin(), vec.end());

    for(int i = 1; i <= n; i++) {
        qs[i] = qs[i - 1] + vec[i].second;
    }

    dpl[0] = dpr[n + 1] = -INF;
    for(int i = 1; i <= n; i++) {
        dpl[i] = max(dpl[i - 1], -qs[i - 1] + vec[i].first - vec[1].first);
    }
    for(int i = n; i >= 1; i--) {
        dpr[i] = max(dpr[i + 1], -qs[n] + qs[i] + vec[n].first - vec[i].first);
    }

    long long ans = -INF;
    for(int i = 1; i <= n; i++) {
        ans = max(ans, qs[n] + dpl[i] + dpr[i] - vec[n].first + vec[1].first);
    }
    cout << ans;
    return 0;
}

Compilation message

art.cpp: In function 'int main()':
art.cpp:19:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   19 |         scanf(" %lld %d", &a, &b);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 216 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 300 KB Output is correct
5 Correct 1 ms 280 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 300 KB Output is correct
11 Correct 0 ms 204 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 216 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 300 KB Output is correct
5 Correct 1 ms 280 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 300 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 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 332 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 0 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 216 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 300 KB Output is correct
5 Correct 1 ms 280 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 300 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 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 332 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 0 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 2 ms 720 KB Output is correct
28 Correct 3 ms 676 KB Output is correct
29 Correct 2 ms 672 KB Output is correct
30 Correct 2 ms 656 KB Output is correct
31 Correct 3 ms 720 KB Output is correct
32 Correct 2 ms 708 KB Output is correct
33 Correct 2 ms 696 KB Output is correct
34 Correct 2 ms 716 KB Output is correct
35 Correct 2 ms 716 KB Output is correct
36 Correct 4 ms 680 KB Output is correct
37 Correct 4 ms 696 KB Output is correct
38 Correct 2 ms 696 KB Output is correct
39 Correct 2 ms 672 KB Output is correct
40 Correct 2 ms 708 KB Output is correct
41 Correct 2 ms 716 KB Output is correct
42 Correct 2 ms 716 KB Output is correct
43 Correct 3 ms 700 KB Output is correct
44 Correct 2 ms 688 KB Output is correct
45 Correct 3 ms 740 KB Output is correct
46 Correct 3 ms 708 KB Output is correct
47 Correct 3 ms 684 KB Output is correct
48 Correct 3 ms 716 KB Output is correct
49 Correct 2 ms 716 KB Output is correct
50 Correct 2 ms 744 KB Output is correct
51 Correct 2 ms 716 KB Output is correct

Subtask #4
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 216 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 300 KB Output is correct
5 Correct 1 ms 280 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 300 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 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 332 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 0 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 2 ms 720 KB Output is correct
28 Correct 3 ms 676 KB Output is correct
29 Correct 2 ms 672 KB Output is correct
30 Correct 2 ms 656 KB Output is correct
31 Correct 3 ms 720 KB Output is correct
32 Correct 2 ms 708 KB Output is correct
33 Correct 2 ms 696 KB Output is correct
34 Correct 2 ms 716 KB Output is correct
35 Correct 2 ms 716 KB Output is correct
36 Correct 4 ms 680 KB Output is correct
37 Correct 4 ms 696 KB Output is correct
38 Correct 2 ms 696 KB Output is correct
39 Correct 2 ms 672 KB Output is correct
40 Correct 2 ms 708 KB Output is correct
41 Correct 2 ms 716 KB Output is correct
42 Correct 2 ms 716 KB Output is correct
43 Correct 3 ms 700 KB Output is correct
44 Correct 2 ms 688 KB Output is correct
45 Correct 3 ms 740 KB Output is correct
46 Correct 3 ms 708 KB Output is correct
47 Correct 3 ms 684 KB Output is correct
48 Correct 3 ms 716 KB Output is correct
49 Correct 2 ms 716 KB Output is correct
50 Correct 2 ms 744 KB Output is correct
51 Correct 2 ms 716 KB Output is correct
52 Correct 188 ms 32516 KB Output is correct
53 Correct 185 ms 32668 KB Output is correct
54 Correct 209 ms 32632 KB Output is correct
55 Correct 233 ms 32568 KB Output is correct
56 Correct 198 ms 32592 KB Output is correct
57 Correct 190 ms 32540 KB Output is correct
58 Correct 193 ms 32536 KB Output is correct
59 Correct 199 ms 32592 KB Output is correct
60 Correct 209 ms 32540 KB Output is correct
61 Correct 201 ms 32408 KB Output is correct
62 Correct 204 ms 32684 KB Output is correct
63 Correct 189 ms 32528 KB Output is correct
64 Correct 209 ms 32608 KB Output is correct
65 Correct 194 ms 32608 KB Output is correct
66 Correct 195 ms 32564 KB Output is correct
67 Correct 188 ms 32592 KB Output is correct
68 Correct 187 ms 32604 KB Output is correct