Submission #765906

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
765906	2023-06-25T07:19:05 Z	Owen11	Art Exhibition (JOI18_art)	C++14	100 / 100	281 ms	40520 KB

#include <bits/stdc++.h>
using namespace std;

# define int long long
# define fir first
# define sec second
# define pb push_back

const int cnst = 5e5+5;
bool mutipletestcase = 0;
//bool debug = false;

int arr[cnst];
int posi[cnst*4];

int merge(int a, int b) {
    return max(a, b);
}

void build(int a, int b, int id) {
    if(a == b) {posi[id] = arr[a]; return;}
    int mid = (a+b)/2;
    build(a, mid, id*2);
    build(mid+1, b, id*2+1);
    posi[id] = merge(posi[id*2], posi[id*2+1]);
}

void update(int a, int b, int id, int pos, int val) {
    if(a == pos && b == pos) {
        posi[id] = val;
        return;
    }
    int mid =(a+b)/2;
    if(pos <= mid) update(a, mid, id*2, pos, val);
    else update(mid+1, b, id*2+1, pos, val);
    posi[id] = merge(posi[id*2], posi[id*2+1]);
}

int get(int a, int b, int id, int from, int to) {
    if(to < a || from > b) return LLONG_MIN;
    if(from <= a && b <= to) return posi[id];
    int mid = (a+b)/2;
    return merge(get(a, mid, id*2, from, to), get(mid+1, b, id*2+1, from, to));
}


void solve() {
    int n; cin >> n;

    pair<int, int> paint[n+5];

    for(int i = 1; i<=4*n; i++) posi[i] = LLONG_MIN;

    for(int i = 1; i<=n; i++) cin >> paint[i].fir >> paint[i].sec;

    int presum[n+5]; presum[0] = 0;
    sort(paint+1, paint+n+1);

    for(int i = 1; i<=n; i++) {
        presum[i] = presum[i-1]+paint[i].sec;
        // cerr << presum[i] << " " << paint[i].fir << endl;
        update(1, n, 1, i, presum[i]-paint[i].fir);
    }

    // for(int i = 1; i<=n; i++) cerr << presum[i] << " ";
    // cerr << endl;
    // for(int i = 1; i<=n; i++) cerr << get(1, n, 1, i, i) << " ";
    // cerr << endl;

    int ans = 0;
    for(int i = 1; i<=n; i++) {
        int temp = paint[i].fir-presum[i-1];
        // cerr << paint[i].fir << " " << presum[i-1] << " " << get(1, n, 1, i, n) << endl;
        temp += get(1, n, 1, i, n);
        // cerr << i << " " << temp << endl;
        ans = max(ans, temp);
    }

    cout << ans << endl;
}

signed main() {
    ios_base::sync_with_stdio(false);
    int t = 1;
    if(mutipletestcase) cin >> t; 
    while(t--) solve();
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 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	328 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	0 ms	328 KB	Output is correct

Subtask #2
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 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	328 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	0 ms	328 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	324 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	328 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	332 KB	Output is correct
20	Correct	1 ms	264 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct

Subtask #3
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 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	328 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	0 ms	328 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	324 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	328 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	332 KB	Output is correct
20	Correct	1 ms	264 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	3 ms	724 KB	Output is correct
28	Correct	4 ms	684 KB	Output is correct
29	Correct	3 ms	728 KB	Output is correct
30	Correct	3 ms	724 KB	Output is correct
31	Correct	4 ms	684 KB	Output is correct
32	Correct	3 ms	720 KB	Output is correct
33	Correct	3 ms	724 KB	Output is correct
34	Correct	3 ms	724 KB	Output is correct
35	Correct	3 ms	720 KB	Output is correct
36	Correct	3 ms	724 KB	Output is correct
37	Correct	3 ms	728 KB	Output is correct
38	Correct	3 ms	724 KB	Output is correct
39	Correct	3 ms	720 KB	Output is correct
40	Correct	4 ms	724 KB	Output is correct
41	Correct	3 ms	724 KB	Output is correct
42	Correct	4 ms	724 KB	Output is correct
43	Correct	4 ms	600 KB	Output is correct
44	Correct	4 ms	724 KB	Output is correct
45	Correct	3 ms	724 KB	Output is correct
46	Correct	3 ms	596 KB	Output is correct
47	Correct	3 ms	724 KB	Output is correct
48	Correct	3 ms	724 KB	Output is correct
49	Correct	3 ms	688 KB	Output is correct
50	Correct	3 ms	720 KB	Output is correct
51	Correct	3 ms	688 KB	Output is correct

Subtask #4
50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 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	328 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	0 ms	328 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	324 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	328 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	332 KB	Output is correct
20	Correct	1 ms	264 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	340 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	3 ms	724 KB	Output is correct
28	Correct	4 ms	684 KB	Output is correct
29	Correct	3 ms	728 KB	Output is correct
30	Correct	3 ms	724 KB	Output is correct
31	Correct	4 ms	684 KB	Output is correct
32	Correct	3 ms	720 KB	Output is correct
33	Correct	3 ms	724 KB	Output is correct
34	Correct	3 ms	724 KB	Output is correct
35	Correct	3 ms	720 KB	Output is correct
36	Correct	3 ms	724 KB	Output is correct
37	Correct	3 ms	728 KB	Output is correct
38	Correct	3 ms	724 KB	Output is correct
39	Correct	3 ms	720 KB	Output is correct
40	Correct	4 ms	724 KB	Output is correct
41	Correct	3 ms	724 KB	Output is correct
42	Correct	4 ms	724 KB	Output is correct
43	Correct	4 ms	600 KB	Output is correct
44	Correct	4 ms	724 KB	Output is correct
45	Correct	3 ms	724 KB	Output is correct
46	Correct	3 ms	596 KB	Output is correct
47	Correct	3 ms	724 KB	Output is correct
48	Correct	3 ms	724 KB	Output is correct
49	Correct	3 ms	688 KB	Output is correct
50	Correct	3 ms	720 KB	Output is correct
51	Correct	3 ms	688 KB	Output is correct
52	Correct	281 ms	40292 KB	Output is correct
53	Correct	250 ms	40340 KB	Output is correct
54	Correct	248 ms	40300 KB	Output is correct
55	Correct	248 ms	40344 KB	Output is correct
56	Correct	252 ms	40280 KB	Output is correct
57	Correct	253 ms	40352 KB	Output is correct
58	Correct	256 ms	40288 KB	Output is correct
59	Correct	252 ms	40268 KB	Output is correct
60	Correct	245 ms	40348 KB	Output is correct
61	Correct	274 ms	40128 KB	Output is correct
62	Correct	261 ms	40276 KB	Output is correct
63	Correct	262 ms	40352 KB	Output is correct
64	Correct	269 ms	40268 KB	Output is correct
65	Correct	258 ms	40520 KB	Output is correct
66	Correct	262 ms	40344 KB	Output is correct
67	Correct	259 ms	40352 KB	Output is correct
68	Correct	252 ms	40284 KB	Output is correct

Submission #765906

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 20.0 / 20.0

Subtask #3 20.0 / 20.0

Subtask #4 50.0 / 50.0

Subtask #1
10.0 / 10.0

Subtask #2
20.0 / 20.0

Subtask #3
20.0 / 20.0

Subtask #4
50.0 / 50.0