Submission #973864

#	Time	Username	Problem	Language	Result	Execution time	Memory
973864		Hectorungo_18	Art Exhibition (JOI18_art)	C++14	0 / 100	0 ms	348 KiB

art

#include <iostream>
#include <bits/stdc++.h>
#include <list>
#include <set>
#include <cstdio>

using namespace std;
#define int unsigned long long
#define f first
#define s second 
#define all(x) x.begin(), x.end()


void solve(){
    int n;
    cin >> n;
    vector<pair<int, int>> v(n);
    for(int i = 0; i < n; i++) cin >> v[i].f >> v[i].s;

    sort(all(v));
    vector<pair<int, int>> w;
    for(int i = 0; i < n; i++){
        if(w.size() == 0 || v[i].f != w.back().f){
            w.push_back(v[i]);
        }
        else{
            w.back().s+=v[i].s;
        }
    }

    // for(auto x : w){
    //     cout << x.f << " " << x.s << endl;
    // }
    v = w;
    int ans = v[0].s;


    int bf = v[0].f;
    int cur = v[0].s;

    for(int i = 1; i < v.size(); i++){
        int ad = v[i].s;
        int re = v[i].f-v[i-1].f;
        if(cur+ad-re < ad){
            cur = ad;
            ans = max(ans, cur);
            continue;
        }
        cur+=ad-re;
        ans=max(ans, cur);
    }

    cout << ans << endl;


}


signed main() {
    int t = 1;
    // cin >> t;
    while(t--) solve();

    return 0;
}

Compilation message (stderr)

art.cpp: In function 'void solve()':
art.cpp:38:9: warning: unused variable 'bf' [-Wunused-variable]
   38 |     int bf = v[0].f;
      |         ^~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 50