oj.uz

Submission #248896

# Submission time Handle Problem Language Result Execution time Memory
248896 2020-07-13T17:14:54 Z rocks03 Art Exhibition (JOI18_art) C++14
0 / 100
 1 ms 384 KB 
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<ll,ll>
#define ff first
#define ss second
#define pb push_back

main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    int N; cin >> N;
    vector<pii> v(N);
    for(int i = 0; i < N; i++){
        ll a, b; cin >> a >> b;
        v[i] = {a, b};
    }
    sort(v.begin(), v.end());
    ll ans = v[0].ss;
    set<pii> s; s.clear();
    s.insert({v[0].ss+v[0].ff, 0});
    ll sum = v[0].ss;
    for(int i = 1; i < N; i++){
        pii best = *s.rbegin();
        ans = max(ans, best.ff - v[i].ff + v[i].ss);
        sum += v[i].ss;
        s.insert({sum+v[0].ff, 0});
        s.insert({best.ff - v[i].ff + v[i].ss, best.ss});
    }
    cout << ans;
}

Compilation message

art.cpp:9:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main(){
      ^

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 50.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -