답안 #70849

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
70849 2018-08-23T14:11:36 Z someone_aa Art Exhibition (JOI18_art) C++17
50 / 100
1000 ms 49612 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() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    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:37:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(ll i=2;i<values.size();i++) {
                ~^~~~~~~~~~~~~~
art.cpp:34:8: warning: unused variable 'l' [-Wunused-variable]
     ll l = 1LL;
        ^
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 356 KB Output is correct
3 Correct 2 ms 432 KB Output is correct
4 Correct 2 ms 560 KB Output is correct
5 Correct 2 ms 560 KB Output is correct
6 Correct 2 ms 560 KB Output is correct
7 Correct 2 ms 676 KB Output is correct
8 Correct 2 ms 676 KB Output is correct
9 Correct 2 ms 676 KB Output is correct
10 Correct 3 ms 676 KB Output is correct
11 Correct 2 ms 676 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 356 KB Output is correct
3 Correct 2 ms 432 KB Output is correct
4 Correct 2 ms 560 KB Output is correct
5 Correct 2 ms 560 KB Output is correct
6 Correct 2 ms 560 KB Output is correct
7 Correct 2 ms 676 KB Output is correct
8 Correct 2 ms 676 KB Output is correct
9 Correct 2 ms 676 KB Output is correct
10 Correct 3 ms 676 KB Output is correct
11 Correct 2 ms 676 KB Output is correct
12 Correct 2 ms 676 KB Output is correct
13 Correct 2 ms 676 KB Output is correct
14 Correct 3 ms 676 KB Output is correct
15 Correct 3 ms 676 KB Output is correct
16 Correct 3 ms 676 KB Output is correct
17 Correct 3 ms 676 KB Output is correct
18 Correct 3 ms 676 KB Output is correct
19 Correct 3 ms 676 KB Output is correct
20 Correct 3 ms 676 KB Output is correct
21 Correct 3 ms 676 KB Output is correct
22 Correct 2 ms 676 KB Output is correct
23 Correct 3 ms 676 KB Output is correct
24 Correct 3 ms 744 KB Output is correct
25 Correct 2 ms 744 KB Output is correct
26 Correct 2 ms 744 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 356 KB Output is correct
3 Correct 2 ms 432 KB Output is correct
4 Correct 2 ms 560 KB Output is correct
5 Correct 2 ms 560 KB Output is correct
6 Correct 2 ms 560 KB Output is correct
7 Correct 2 ms 676 KB Output is correct
8 Correct 2 ms 676 KB Output is correct
9 Correct 2 ms 676 KB Output is correct
10 Correct 3 ms 676 KB Output is correct
11 Correct 2 ms 676 KB Output is correct
12 Correct 2 ms 676 KB Output is correct
13 Correct 2 ms 676 KB Output is correct
14 Correct 3 ms 676 KB Output is correct
15 Correct 3 ms 676 KB Output is correct
16 Correct 3 ms 676 KB Output is correct
17 Correct 3 ms 676 KB Output is correct
18 Correct 3 ms 676 KB Output is correct
19 Correct 3 ms 676 KB Output is correct
20 Correct 3 ms 676 KB Output is correct
21 Correct 3 ms 676 KB Output is correct
22 Correct 2 ms 676 KB Output is correct
23 Correct 3 ms 676 KB Output is correct
24 Correct 3 ms 744 KB Output is correct
25 Correct 2 ms 744 KB Output is correct
26 Correct 2 ms 744 KB Output is correct
27 Correct 7 ms 1132 KB Output is correct
28 Correct 8 ms 1132 KB Output is correct
29 Correct 7 ms 1132 KB Output is correct
30 Correct 7 ms 1132 KB Output is correct
31 Correct 8 ms 1132 KB Output is correct
32 Correct 6 ms 1136 KB Output is correct
33 Correct 6 ms 1136 KB Output is correct
34 Correct 9 ms 1136 KB Output is correct
35 Correct 7 ms 1136 KB Output is correct
36 Correct 6 ms 1136 KB Output is correct
37 Correct 6 ms 1136 KB Output is correct
38 Correct 8 ms 1136 KB Output is correct
39 Correct 7 ms 1228 KB Output is correct
40 Correct 8 ms 1228 KB Output is correct
41 Correct 7 ms 1228 KB Output is correct
42 Correct 7 ms 1228 KB Output is correct
43 Correct 7 ms 1228 KB Output is correct
44 Correct 6 ms 1228 KB Output is correct
45 Correct 8 ms 1228 KB Output is correct
46 Correct 8 ms 1228 KB Output is correct
47 Correct 7 ms 1228 KB Output is correct
48 Correct 8 ms 1228 KB Output is correct
49 Correct 7 ms 1228 KB Output is correct
50 Correct 6 ms 1228 KB Output is correct
51 Correct 6 ms 1228 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 356 KB Output is correct
3 Correct 2 ms 432 KB Output is correct
4 Correct 2 ms 560 KB Output is correct
5 Correct 2 ms 560 KB Output is correct
6 Correct 2 ms 560 KB Output is correct
7 Correct 2 ms 676 KB Output is correct
8 Correct 2 ms 676 KB Output is correct
9 Correct 2 ms 676 KB Output is correct
10 Correct 3 ms 676 KB Output is correct
11 Correct 2 ms 676 KB Output is correct
12 Correct 2 ms 676 KB Output is correct
13 Correct 2 ms 676 KB Output is correct
14 Correct 3 ms 676 KB Output is correct
15 Correct 3 ms 676 KB Output is correct
16 Correct 3 ms 676 KB Output is correct
17 Correct 3 ms 676 KB Output is correct
18 Correct 3 ms 676 KB Output is correct
19 Correct 3 ms 676 KB Output is correct
20 Correct 3 ms 676 KB Output is correct
21 Correct 3 ms 676 KB Output is correct
22 Correct 2 ms 676 KB Output is correct
23 Correct 3 ms 676 KB Output is correct
24 Correct 3 ms 744 KB Output is correct
25 Correct 2 ms 744 KB Output is correct
26 Correct 2 ms 744 KB Output is correct
27 Correct 7 ms 1132 KB Output is correct
28 Correct 8 ms 1132 KB Output is correct
29 Correct 7 ms 1132 KB Output is correct
30 Correct 7 ms 1132 KB Output is correct
31 Correct 8 ms 1132 KB Output is correct
32 Correct 6 ms 1136 KB Output is correct
33 Correct 6 ms 1136 KB Output is correct
34 Correct 9 ms 1136 KB Output is correct
35 Correct 7 ms 1136 KB Output is correct
36 Correct 6 ms 1136 KB Output is correct
37 Correct 6 ms 1136 KB Output is correct
38 Correct 8 ms 1136 KB Output is correct
39 Correct 7 ms 1228 KB Output is correct
40 Correct 8 ms 1228 KB Output is correct
41 Correct 7 ms 1228 KB Output is correct
42 Correct 7 ms 1228 KB Output is correct
43 Correct 7 ms 1228 KB Output is correct
44 Correct 6 ms 1228 KB Output is correct
45 Correct 8 ms 1228 KB Output is correct
46 Correct 8 ms 1228 KB Output is correct
47 Correct 7 ms 1228 KB Output is correct
48 Correct 8 ms 1228 KB Output is correct
49 Correct 7 ms 1228 KB Output is correct
50 Correct 6 ms 1228 KB Output is correct
51 Correct 6 ms 1228 KB Output is correct
52 Execution timed out 1071 ms 49612 KB Time limit exceeded
53 Halted 0 ms 0 KB -