Submission #70847

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
70847	2018-08-23T14:10:50 Z	someone_aa	Art Exhibition (JOI18_art)	C++17	50 / 100	1000 ms	25632 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;
}

int main() {
    cin>>n;
    for(int i=0;i<n;i++) {
        cin>>x>>y;
        sum[x] += y;
    }

    values.pb(mp(0LL,0LL));
    pref.pb(0LL);
    for(auto i:sum) {
        values.pb(mp(i.first, i.second));
        pref.pb(pref.back() + 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:35:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(ll i=2;i<values.size();i++) {
                ~^~~~~~~~~~~~~~
art.cpp:32:8: warning: unused variable 'l' [-Wunused-variable]
     ll l = 1LL;
        ^

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	468 KB	Output is correct
3	Correct	2 ms	476 KB	Output is correct
4	Correct	3 ms	612 KB	Output is correct
5	Correct	3 ms	612 KB	Output is correct
6	Correct	3 ms	612 KB	Output is correct
7	Correct	3 ms	612 KB	Output is correct
8	Correct	3 ms	612 KB	Output is correct
9	Correct	3 ms	612 KB	Output is correct
10	Correct	3 ms	612 KB	Output is correct
11	Correct	3 ms	612 KB	Output is correct

Subtask #2
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	468 KB	Output is correct
3	Correct	2 ms	476 KB	Output is correct
4	Correct	3 ms	612 KB	Output is correct
5	Correct	3 ms	612 KB	Output is correct
6	Correct	3 ms	612 KB	Output is correct
7	Correct	3 ms	612 KB	Output is correct
8	Correct	3 ms	612 KB	Output is correct
9	Correct	3 ms	612 KB	Output is correct
10	Correct	3 ms	612 KB	Output is correct
11	Correct	3 ms	612 KB	Output is correct
12	Correct	3 ms	612 KB	Output is correct
13	Correct	3 ms	612 KB	Output is correct
14	Correct	3 ms	612 KB	Output is correct
15	Correct	3 ms	612 KB	Output is correct
16	Correct	3 ms	612 KB	Output is correct
17	Correct	3 ms	620 KB	Output is correct
18	Correct	3 ms	620 KB	Output is correct
19	Correct	3 ms	620 KB	Output is correct
20	Correct	3 ms	620 KB	Output is correct
21	Correct	4 ms	624 KB	Output is correct
22	Correct	3 ms	624 KB	Output is correct
23	Correct	4 ms	624 KB	Output is correct
24	Correct	3 ms	624 KB	Output is correct
25	Correct	4 ms	624 KB	Output is correct
26	Correct	4 ms	724 KB	Output is correct

Subtask #3
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	468 KB	Output is correct
3	Correct	2 ms	476 KB	Output is correct
4	Correct	3 ms	612 KB	Output is correct
5	Correct	3 ms	612 KB	Output is correct
6	Correct	3 ms	612 KB	Output is correct
7	Correct	3 ms	612 KB	Output is correct
8	Correct	3 ms	612 KB	Output is correct
9	Correct	3 ms	612 KB	Output is correct
10	Correct	3 ms	612 KB	Output is correct
11	Correct	3 ms	612 KB	Output is correct
12	Correct	3 ms	612 KB	Output is correct
13	Correct	3 ms	612 KB	Output is correct
14	Correct	3 ms	612 KB	Output is correct
15	Correct	3 ms	612 KB	Output is correct
16	Correct	3 ms	612 KB	Output is correct
17	Correct	3 ms	620 KB	Output is correct
18	Correct	3 ms	620 KB	Output is correct
19	Correct	3 ms	620 KB	Output is correct
20	Correct	3 ms	620 KB	Output is correct
21	Correct	4 ms	624 KB	Output is correct
22	Correct	3 ms	624 KB	Output is correct
23	Correct	4 ms	624 KB	Output is correct
24	Correct	3 ms	624 KB	Output is correct
25	Correct	4 ms	624 KB	Output is correct
26	Correct	4 ms	724 KB	Output is correct
27	Correct	13 ms	1132 KB	Output is correct
28	Correct	11 ms	1132 KB	Output is correct
29	Correct	16 ms	1132 KB	Output is correct
30	Correct	10 ms	1132 KB	Output is correct
31	Correct	10 ms	1132 KB	Output is correct
32	Correct	11 ms	1168 KB	Output is correct
33	Correct	13 ms	1168 KB	Output is correct
34	Correct	13 ms	1168 KB	Output is correct
35	Correct	12 ms	1168 KB	Output is correct
36	Correct	12 ms	1168 KB	Output is correct
37	Correct	12 ms	1168 KB	Output is correct
38	Correct	12 ms	1268 KB	Output is correct
39	Correct	12 ms	1268 KB	Output is correct
40	Correct	12 ms	1268 KB	Output is correct
41	Correct	13 ms	1268 KB	Output is correct
42	Correct	12 ms	1268 KB	Output is correct
43	Correct	12 ms	1268 KB	Output is correct
44	Correct	11 ms	1268 KB	Output is correct
45	Correct	14 ms	1268 KB	Output is correct
46	Correct	11 ms	1268 KB	Output is correct
47	Correct	12 ms	1268 KB	Output is correct
48	Correct	12 ms	1268 KB	Output is correct
49	Correct	10 ms	1268 KB	Output is correct
50	Correct	12 ms	1268 KB	Output is correct
51	Correct	12 ms	1268 KB	Output is correct

Subtask #4
0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	468 KB	Output is correct
3	Correct	2 ms	476 KB	Output is correct
4	Correct	3 ms	612 KB	Output is correct
5	Correct	3 ms	612 KB	Output is correct
6	Correct	3 ms	612 KB	Output is correct
7	Correct	3 ms	612 KB	Output is correct
8	Correct	3 ms	612 KB	Output is correct
9	Correct	3 ms	612 KB	Output is correct
10	Correct	3 ms	612 KB	Output is correct
11	Correct	3 ms	612 KB	Output is correct
12	Correct	3 ms	612 KB	Output is correct
13	Correct	3 ms	612 KB	Output is correct
14	Correct	3 ms	612 KB	Output is correct
15	Correct	3 ms	612 KB	Output is correct
16	Correct	3 ms	612 KB	Output is correct
17	Correct	3 ms	620 KB	Output is correct
18	Correct	3 ms	620 KB	Output is correct
19	Correct	3 ms	620 KB	Output is correct
20	Correct	3 ms	620 KB	Output is correct
21	Correct	4 ms	624 KB	Output is correct
22	Correct	3 ms	624 KB	Output is correct
23	Correct	4 ms	624 KB	Output is correct
24	Correct	3 ms	624 KB	Output is correct
25	Correct	4 ms	624 KB	Output is correct
26	Correct	4 ms	724 KB	Output is correct
27	Correct	13 ms	1132 KB	Output is correct
28	Correct	11 ms	1132 KB	Output is correct
29	Correct	16 ms	1132 KB	Output is correct
30	Correct	10 ms	1132 KB	Output is correct
31	Correct	10 ms	1132 KB	Output is correct
32	Correct	11 ms	1168 KB	Output is correct
33	Correct	13 ms	1168 KB	Output is correct
34	Correct	13 ms	1168 KB	Output is correct
35	Correct	12 ms	1168 KB	Output is correct
36	Correct	12 ms	1168 KB	Output is correct
37	Correct	12 ms	1168 KB	Output is correct
38	Correct	12 ms	1268 KB	Output is correct
39	Correct	12 ms	1268 KB	Output is correct
40	Correct	12 ms	1268 KB	Output is correct
41	Correct	13 ms	1268 KB	Output is correct
42	Correct	12 ms	1268 KB	Output is correct
43	Correct	12 ms	1268 KB	Output is correct
44	Correct	11 ms	1268 KB	Output is correct
45	Correct	14 ms	1268 KB	Output is correct
46	Correct	11 ms	1268 KB	Output is correct
47	Correct	12 ms	1268 KB	Output is correct
48	Correct	12 ms	1268 KB	Output is correct
49	Correct	10 ms	1268 KB	Output is correct
50	Correct	12 ms	1268 KB	Output is correct
51	Correct	12 ms	1268 KB	Output is correct
52	Execution timed out	1091 ms	25632 KB	Time limit exceeded
53	Halted	0 ms	0 KB	-

Submission #70847

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 20.0 / 20.0

Subtask #3 20.0 / 20.0

Subtask #4 0 / 50.0

Subtask #1
10.0 / 10.0

Subtask #2
20.0 / 20.0

Subtask #3
20.0 / 20.0

Subtask #4
0 / 50.0