Submission #70858

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
70858	2018-08-23T14:26:25 Z	someone_aa	Art Exhibition (JOI18_art)	C++17	100 / 100	883 ms	21748 KB

#include <bits/stdc++.h>
#define ll long long
#define pb push_back
#define mp make_pair
using namespace std;
const int maxn = 500100;
map<ll, ll> sum;
vector<pair<ll, ll> > values;
vector<ll> pref;
ll n, x, y;

ll get_val(int l, int r) {
    ll sum =1LL* pref[r] - pref[l-1];
    ll diff = values[r].first - values[l].first;
    return sum - diff;
}

vector<pair<ll,ll> > temp;

int main() {
    //ios_base::sync_with_stdio(false);
    //cin.tie(0);
    cin>>n;
    values.pb(mp(0,0));
    for(int i=0;i<n;i++) {
        cin>>x>>y;
        values.pb(mp(x,y));
    }
    sort(values.begin(), values.end());

    pref.pb(0LL);
    for(int i=1;i<values.size();i++) {
        pref.pb(pref.back() + values[i].second);
    }

    ll l = 1LL;
    ll result = get_val(1,1);
    ll max_pref = values[1].first;
    for(ll i=2;i<values.size();i++) {
        max_pref = max(max_pref, values[i].first - pref[i-1]);
        ll curr_val = pref[i] - values[i].first + max_pref;
        result = max(result, curr_val);
    }
    cout<<result;

    return 0;
}

Compilation message

art.cpp: In function 'int main()':
art.cpp:32:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=1;i<values.size();i++) {
                 ~^~~~~~~~~~~~~~
art.cpp:39:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(ll i=2;i<values.size();i++) {
                ~^~~~~~~~~~~~~~
art.cpp:36:8: warning: unused variable 'l' [-Wunused-variable]
     ll l = 1LL;
        ^

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	3 ms	540 KB	Output is correct
4	Correct	3 ms	620 KB	Output is correct
5	Correct	2 ms	620 KB	Output is correct
6	Correct	3 ms	620 KB	Output is correct
7	Correct	2 ms	620 KB	Output is correct
8	Correct	3 ms	620 KB	Output is correct
9	Correct	2 ms	620 KB	Output is correct
10	Correct	2 ms	620 KB	Output is correct
11	Correct	2 ms	624 KB	Output is correct

Subtask #2
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	3 ms	540 KB	Output is correct
4	Correct	3 ms	620 KB	Output is correct
5	Correct	2 ms	620 KB	Output is correct
6	Correct	3 ms	620 KB	Output is correct
7	Correct	2 ms	620 KB	Output is correct
8	Correct	3 ms	620 KB	Output is correct
9	Correct	2 ms	620 KB	Output is correct
10	Correct	2 ms	620 KB	Output is correct
11	Correct	2 ms	624 KB	Output is correct
12	Correct	3 ms	628 KB	Output is correct
13	Correct	3 ms	640 KB	Output is correct
14	Correct	2 ms	660 KB	Output is correct
15	Correct	3 ms	796 KB	Output is correct
16	Correct	4 ms	796 KB	Output is correct
17	Correct	3 ms	796 KB	Output is correct
18	Correct	3 ms	796 KB	Output is correct
19	Correct	4 ms	796 KB	Output is correct
20	Correct	3 ms	796 KB	Output is correct
21	Correct	4 ms	824 KB	Output is correct
22	Correct	3 ms	824 KB	Output is correct
23	Correct	4 ms	824 KB	Output is correct
24	Correct	3 ms	824 KB	Output is correct
25	Correct	3 ms	824 KB	Output is correct
26	Correct	4 ms	824 KB	Output is correct

Subtask #3
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	3 ms	540 KB	Output is correct
4	Correct	3 ms	620 KB	Output is correct
5	Correct	2 ms	620 KB	Output is correct
6	Correct	3 ms	620 KB	Output is correct
7	Correct	2 ms	620 KB	Output is correct
8	Correct	3 ms	620 KB	Output is correct
9	Correct	2 ms	620 KB	Output is correct
10	Correct	2 ms	620 KB	Output is correct
11	Correct	2 ms	624 KB	Output is correct
12	Correct	3 ms	628 KB	Output is correct
13	Correct	3 ms	640 KB	Output is correct
14	Correct	2 ms	660 KB	Output is correct
15	Correct	3 ms	796 KB	Output is correct
16	Correct	4 ms	796 KB	Output is correct
17	Correct	3 ms	796 KB	Output is correct
18	Correct	3 ms	796 KB	Output is correct
19	Correct	4 ms	796 KB	Output is correct
20	Correct	3 ms	796 KB	Output is correct
21	Correct	4 ms	824 KB	Output is correct
22	Correct	3 ms	824 KB	Output is correct
23	Correct	4 ms	824 KB	Output is correct
24	Correct	3 ms	824 KB	Output is correct
25	Correct	3 ms	824 KB	Output is correct
26	Correct	4 ms	824 KB	Output is correct
27	Correct	11 ms	1156 KB	Output is correct
28	Correct	10 ms	1156 KB	Output is correct
29	Correct	11 ms	1284 KB	Output is correct
30	Correct	9 ms	1412 KB	Output is correct
31	Correct	11 ms	1540 KB	Output is correct
32	Correct	11 ms	1796 KB	Output is correct
33	Correct	9 ms	1924 KB	Output is correct
34	Correct	10 ms	1940 KB	Output is correct
35	Correct	15 ms	2068 KB	Output is correct
36	Correct	10 ms	2196 KB	Output is correct
37	Correct	9 ms	2372 KB	Output is correct
38	Correct	12 ms	2372 KB	Output is correct
39	Correct	11 ms	2372 KB	Output is correct
40	Correct	10 ms	2372 KB	Output is correct
41	Correct	9 ms	2432 KB	Output is correct
42	Correct	9 ms	2432 KB	Output is correct
43	Correct	9 ms	2432 KB	Output is correct
44	Correct	10 ms	2432 KB	Output is correct
45	Correct	11 ms	2432 KB	Output is correct
46	Correct	9 ms	2432 KB	Output is correct
47	Correct	10 ms	2432 KB	Output is correct
48	Correct	12 ms	2432 KB	Output is correct
49	Correct	10 ms	2432 KB	Output is correct
50	Correct	9 ms	2432 KB	Output is correct
51	Correct	10 ms	2432 KB	Output is correct

Subtask #4
50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	3 ms	540 KB	Output is correct
4	Correct	3 ms	620 KB	Output is correct
5	Correct	2 ms	620 KB	Output is correct
6	Correct	3 ms	620 KB	Output is correct
7	Correct	2 ms	620 KB	Output is correct
8	Correct	3 ms	620 KB	Output is correct
9	Correct	2 ms	620 KB	Output is correct
10	Correct	2 ms	620 KB	Output is correct
11	Correct	2 ms	624 KB	Output is correct
12	Correct	3 ms	628 KB	Output is correct
13	Correct	3 ms	640 KB	Output is correct
14	Correct	2 ms	660 KB	Output is correct
15	Correct	3 ms	796 KB	Output is correct
16	Correct	4 ms	796 KB	Output is correct
17	Correct	3 ms	796 KB	Output is correct
18	Correct	3 ms	796 KB	Output is correct
19	Correct	4 ms	796 KB	Output is correct
20	Correct	3 ms	796 KB	Output is correct
21	Correct	4 ms	824 KB	Output is correct
22	Correct	3 ms	824 KB	Output is correct
23	Correct	4 ms	824 KB	Output is correct
24	Correct	3 ms	824 KB	Output is correct
25	Correct	3 ms	824 KB	Output is correct
26	Correct	4 ms	824 KB	Output is correct
27	Correct	11 ms	1156 KB	Output is correct
28	Correct	10 ms	1156 KB	Output is correct
29	Correct	11 ms	1284 KB	Output is correct
30	Correct	9 ms	1412 KB	Output is correct
31	Correct	11 ms	1540 KB	Output is correct
32	Correct	11 ms	1796 KB	Output is correct
33	Correct	9 ms	1924 KB	Output is correct
34	Correct	10 ms	1940 KB	Output is correct
35	Correct	15 ms	2068 KB	Output is correct
36	Correct	10 ms	2196 KB	Output is correct
37	Correct	9 ms	2372 KB	Output is correct
38	Correct	12 ms	2372 KB	Output is correct
39	Correct	11 ms	2372 KB	Output is correct
40	Correct	10 ms	2372 KB	Output is correct
41	Correct	9 ms	2432 KB	Output is correct
42	Correct	9 ms	2432 KB	Output is correct
43	Correct	9 ms	2432 KB	Output is correct
44	Correct	10 ms	2432 KB	Output is correct
45	Correct	11 ms	2432 KB	Output is correct
46	Correct	9 ms	2432 KB	Output is correct
47	Correct	10 ms	2432 KB	Output is correct
48	Correct	12 ms	2432 KB	Output is correct
49	Correct	10 ms	2432 KB	Output is correct
50	Correct	9 ms	2432 KB	Output is correct
51	Correct	10 ms	2432 KB	Output is correct
52	Correct	883 ms	19808 KB	Output is correct
53	Correct	816 ms	21516 KB	Output is correct
54	Correct	775 ms	21564 KB	Output is correct
55	Correct	767 ms	21748 KB	Output is correct
56	Correct	730 ms	21748 KB	Output is correct
57	Correct	734 ms	21748 KB	Output is correct
58	Correct	758 ms	21748 KB	Output is correct
59	Correct	748 ms	21748 KB	Output is correct
60	Correct	773 ms	21748 KB	Output is correct
61	Correct	744 ms	21748 KB	Output is correct
62	Correct	753 ms	21748 KB	Output is correct
63	Correct	861 ms	21748 KB	Output is correct
64	Correct	795 ms	21748 KB	Output is correct
65	Correct	775 ms	21748 KB	Output is correct
66	Correct	788 ms	21748 KB	Output is correct
67	Correct	732 ms	21748 KB	Output is correct
68	Correct	761 ms	21748 KB	Output is correct

Submission #70858

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