oj.uz

Submission #787268

# Submission time Handle Problem Language Result Execution time Memory
787268 2023-07-19T01:35:26 Z guagua0407 Art Exhibition (JOI18_art) C++17
100 / 100
 201 ms 23956 KB 
//#pragma GCC optimize("O3")
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<int,int>
#define f first
#define s second
#define all(x) x.begin(),x.end()
#define _ ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);

void setIO(string s) {
    freopen((s + ".in").c_str(), "r", stdin);
    freopen((s + ".out").c_str(), "w", stdout);
}

int main() {_
    int n;
    cin>>n;
    pair<ll,ll> num[n+1];
    for(int i=1;i<=n;i++){
        cin>>num[i].f>>num[i].s;
    }
    sort(num+1,num+(n+1));
    vector<ll> pre(n+1,0);
    for(int i=1;i<=n;i++){
        pre[i]=pre[i-1]+num[i].s;
    }
    priority_queue<pair<ll,ll>> pq;
    for(int i=1;i<=n;i++){
        pq.push({pre[i]-num[i].f,i});
    }
    ll ans=0;
    for(int i=1;i<=n;i++){
        while(pq.top().s<i){
            pq.pop();
        }
        auto v=pq.top();
        ans=max(ans,-pre[i-1]+num[i].f+v.f);
    }
    cout<<ans<<'\n';
    return 0;
}
//maybe its multiset not set

Compilation message

art.cpp: In function 'void setIO(std::string)':
art.cpp:12:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |     freopen((s + ".in").c_str(), "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
art.cpp:13:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |     freopen((s + ".out").c_str(), "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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 320 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 312 KB Output is correct
7 Correct 1 ms 212 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 1 ms 212 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 320 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 312 KB Output is correct
7 Correct 1 ms 212 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 1 ms 212 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 340 KB Output is correct
16 Correct 1 ms 320 KB Output is correct
17 Correct 1 ms 324 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 328 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 320 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 312 KB Output is correct
7 Correct 1 ms 212 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 1 ms 212 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 340 KB Output is correct
16 Correct 1 ms 320 KB Output is correct
17 Correct 1 ms 324 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 328 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 2 ms 724 KB Output is correct
28 Correct 2 ms 724 KB Output is correct
29 Correct 2 ms 764 KB Output is correct
30 Correct 2 ms 716 KB Output is correct
31 Correct 2 ms 724 KB Output is correct
32 Correct 3 ms 724 KB Output is correct
33 Correct 3 ms 660 KB Output is correct
34 Correct 2 ms 724 KB Output is correct
35 Correct 3 ms 724 KB Output is correct
36 Correct 2 ms 724 KB Output is correct
37 Correct 2 ms 724 KB Output is correct
38 Correct 2 ms 724 KB Output is correct
39 Correct 2 ms 724 KB Output is correct
40 Correct 2 ms 716 KB Output is correct
41 Correct 2 ms 716 KB Output is correct
42 Correct 2 ms 716 KB Output is correct
43 Correct 2 ms 724 KB Output is correct
44 Correct 2 ms 776 KB Output is correct
45 Correct 2 ms 724 KB Output is correct
46 Correct 2 ms 724 KB Output is correct
47 Correct 2 ms 716 KB Output is correct
48 Correct 2 ms 724 KB Output is correct
49 Correct 3 ms 724 KB Output is correct
50 Correct 2 ms 724 KB Output is correct
51 Correct 2 ms 724 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 320 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 312 KB Output is correct
7 Correct 1 ms 212 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 1 ms 212 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 340 KB Output is correct
16 Correct 1 ms 320 KB Output is correct
17 Correct 1 ms 324 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 328 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 2 ms 724 KB Output is correct
28 Correct 2 ms 724 KB Output is correct
29 Correct 2 ms 764 KB Output is correct
30 Correct 2 ms 716 KB Output is correct
31 Correct 2 ms 724 KB Output is correct
32 Correct 3 ms 724 KB Output is correct
33 Correct 3 ms 660 KB Output is correct
34 Correct 2 ms 724 KB Output is correct
35 Correct 3 ms 724 KB Output is correct
36 Correct 2 ms 724 KB Output is correct
37 Correct 2 ms 724 KB Output is correct
38 Correct 2 ms 724 KB Output is correct
39 Correct 2 ms 724 KB Output is correct
40 Correct 2 ms 716 KB Output is correct
41 Correct 2 ms 716 KB Output is correct
42 Correct 2 ms 716 KB Output is correct
43 Correct 2 ms 724 KB Output is correct
44 Correct 2 ms 776 KB Output is correct
45 Correct 2 ms 724 KB Output is correct
46 Correct 2 ms 724 KB Output is correct
47 Correct 2 ms 716 KB Output is correct
48 Correct 2 ms 724 KB Output is correct
49 Correct 3 ms 724 KB Output is correct
50 Correct 2 ms 724 KB Output is correct
51 Correct 2 ms 724 KB Output is correct
52 Correct 186 ms 23840 KB Output is correct
53 Correct 183 ms 23840 KB Output is correct
54 Correct 195 ms 23852 KB Output is correct
55 Correct 188 ms 23860 KB Output is correct
56 Correct 201 ms 23924 KB Output is correct
57 Correct 201 ms 23760 KB Output is correct
58 Correct 159 ms 23852 KB Output is correct
59 Correct 154 ms 23856 KB Output is correct
60 Correct 156 ms 23808 KB Output is correct
61 Correct 160 ms 23792 KB Output is correct
62 Correct 157 ms 23864 KB Output is correct
63 Correct 159 ms 23856 KB Output is correct
64 Correct 156 ms 23840 KB Output is correct
65 Correct 153 ms 23832 KB Output is correct
66 Correct 159 ms 23888 KB Output is correct
67 Correct 161 ms 23956 KB Output is correct
68 Correct 156 ms 23852 KB Output is correct