Submission #1071307

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1071307	2024-08-23T06:38:45 Z	vjudge1	Art Exhibition (JOI18_art)	C++17	30 / 100	8 ms	2640 KB

#include <bits/stdc++.h>
#define int long long
#define fi first
#define se second
using namespace std;

const int N = 5e5 + 11;
pair<int, int> a[N];
int pref[N];
int cost(int i, int j) {
    int sum = pref[j] - pref[i - 1];
    int mx = a[j].fi, mn = a[i].fi;
    return sum - (mx - mn);
}

signed main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    
    int n;
    cin >> n;
    
    for(int i = 1; i <= n; i++){
        cin>>a[i].fi>>a[i].se;
    }
    sort(a + 1, a + 1 + n);
    for(int i = 1; i <= n; i++){
        pref[i] = pref[i - 1] + a[i].se;
    }
    int res = 0;
    for(int i = 1; i <= n; i++){
        int l = i, r = n, ans = 0;
        for(int j = 1; j <= 100; j++){
            int m1 = l + (r - l) / 3;
            int m2 = r - (r - l) / 3;
            ans = max({ans, cost(i, m1), cost(i, m2)});
            if(cost(i, m1) < cost(i, m2))l = m1;
            else r = m2;
        }
        for(int j = -100; j <= 100; j++){
            if((l + j) >= i && (l + j) <= n) {
                if(cost(i, l + j) > ans)ans = cost(i, l + j);
            }
        }
        res = max(res, ans);
    }
    cout << res << '\n';
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	2396 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	0 ms	2396 KB	Output is correct
5	Correct	0 ms	2396 KB	Output is correct
6	Correct	0 ms	2396 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	0 ms	2396 KB	Output is correct
9	Correct	0 ms	2396 KB	Output is correct
10	Correct	0 ms	2396 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct

Subtask #2
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	2396 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	0 ms	2396 KB	Output is correct
5	Correct	0 ms	2396 KB	Output is correct
6	Correct	0 ms	2396 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	0 ms	2396 KB	Output is correct
9	Correct	0 ms	2396 KB	Output is correct
10	Correct	0 ms	2396 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	1 ms	2396 KB	Output is correct
13	Correct	1 ms	2396 KB	Output is correct
14	Correct	1 ms	2396 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	1 ms	2396 KB	Output is correct
17	Correct	1 ms	2396 KB	Output is correct
18	Correct	1 ms	2396 KB	Output is correct
19	Correct	1 ms	2396 KB	Output is correct
20	Correct	1 ms	2396 KB	Output is correct
21	Correct	1 ms	2396 KB	Output is correct
22	Correct	1 ms	2396 KB	Output is correct
23	Correct	1 ms	2396 KB	Output is correct
24	Correct	1 ms	2396 KB	Output is correct
25	Correct	1 ms	2396 KB	Output is correct
26	Correct	1 ms	2396 KB	Output is correct

Subtask #3
0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	2396 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	0 ms	2396 KB	Output is correct
5	Correct	0 ms	2396 KB	Output is correct
6	Correct	0 ms	2396 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	0 ms	2396 KB	Output is correct
9	Correct	0 ms	2396 KB	Output is correct
10	Correct	0 ms	2396 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	1 ms	2396 KB	Output is correct
13	Correct	1 ms	2396 KB	Output is correct
14	Correct	1 ms	2396 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	1 ms	2396 KB	Output is correct
17	Correct	1 ms	2396 KB	Output is correct
18	Correct	1 ms	2396 KB	Output is correct
19	Correct	1 ms	2396 KB	Output is correct
20	Correct	1 ms	2396 KB	Output is correct
21	Correct	1 ms	2396 KB	Output is correct
22	Correct	1 ms	2396 KB	Output is correct
23	Correct	1 ms	2396 KB	Output is correct
24	Correct	1 ms	2396 KB	Output is correct
25	Correct	1 ms	2396 KB	Output is correct
26	Correct	1 ms	2396 KB	Output is correct
27	Correct	6 ms	2640 KB	Output is correct
28	Correct	6 ms	2556 KB	Output is correct
29	Correct	5 ms	2556 KB	Output is correct
30	Correct	6 ms	2396 KB	Output is correct
31	Correct	6 ms	2396 KB	Output is correct
32	Correct	5 ms	2396 KB	Output is correct
33	Correct	8 ms	2396 KB	Output is correct
34	Correct	7 ms	2392 KB	Output is correct
35	Correct	5 ms	2392 KB	Output is correct
36	Correct	7 ms	2396 KB	Output is correct
37	Correct	5 ms	2524 KB	Output is correct
38	Incorrect	5 ms	2560 KB	Output isn't correct
39	Halted	0 ms	0 KB	-

Subtask #4
0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	2396 KB	Output is correct
2	Correct	1 ms	2396 KB	Output is correct
3	Correct	1 ms	2396 KB	Output is correct
4	Correct	0 ms	2396 KB	Output is correct
5	Correct	0 ms	2396 KB	Output is correct
6	Correct	0 ms	2396 KB	Output is correct
7	Correct	1 ms	2396 KB	Output is correct
8	Correct	0 ms	2396 KB	Output is correct
9	Correct	0 ms	2396 KB	Output is correct
10	Correct	0 ms	2396 KB	Output is correct
11	Correct	1 ms	2396 KB	Output is correct
12	Correct	1 ms	2396 KB	Output is correct
13	Correct	1 ms	2396 KB	Output is correct
14	Correct	1 ms	2396 KB	Output is correct
15	Correct	1 ms	2396 KB	Output is correct
16	Correct	1 ms	2396 KB	Output is correct
17	Correct	1 ms	2396 KB	Output is correct
18	Correct	1 ms	2396 KB	Output is correct
19	Correct	1 ms	2396 KB	Output is correct
20	Correct	1 ms	2396 KB	Output is correct
21	Correct	1 ms	2396 KB	Output is correct
22	Correct	1 ms	2396 KB	Output is correct
23	Correct	1 ms	2396 KB	Output is correct
24	Correct	1 ms	2396 KB	Output is correct
25	Correct	1 ms	2396 KB	Output is correct
26	Correct	1 ms	2396 KB	Output is correct
27	Correct	6 ms	2640 KB	Output is correct
28	Correct	6 ms	2556 KB	Output is correct
29	Correct	5 ms	2556 KB	Output is correct
30	Correct	6 ms	2396 KB	Output is correct
31	Correct	6 ms	2396 KB	Output is correct
32	Correct	5 ms	2396 KB	Output is correct
33	Correct	8 ms	2396 KB	Output is correct
34	Correct	7 ms	2392 KB	Output is correct
35	Correct	5 ms	2392 KB	Output is correct
36	Correct	7 ms	2396 KB	Output is correct
37	Correct	5 ms	2524 KB	Output is correct
38	Incorrect	5 ms	2560 KB	Output isn't correct
39	Halted	0 ms	0 KB	-

Submission #1071307

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 20.0 / 20.0

Subtask #3 0 / 20.0

Subtask #4 0 / 50.0

Subtask #1
10.0 / 10.0

Subtask #2
20.0 / 20.0

Subtask #3
0 / 20.0

Subtask #4
0 / 50.0