Submission #680124

#TimeUsernameProblemLanguageResultExecution timeMemory
680124ocarimaArt Exhibition (JOI18_art)C++14
50 / 100
1081 ms24612 KiB
#include <iostream>
#include <bits/stdc++.h>

using namespace std;

#define lli long long int
#define rep(i,a,b) for(lli i = (a); i <= (b); ++i)
#define repa(i,a,b) for(lli i = (a); i >= (b); --i)
#define nl "\n"

#define MAX 500000

#define tam first
#define belleza second

lli n, res, s;
pair<lli, lli> arbol[MAX + 2];
lli acu[MAX + 2];


int main()
{
    cin >> n;
    rep(i, 1, n) cin >> arbol[i].tam >> arbol[i].belleza;
    sort(arbol + 1, arbol + 1 + n);

    rep(i, 1, n) acu[i] = arbol[i].belleza + acu[i - 1];

    rep(ini, 1, n){
        rep(fin, ini, n){
            s = acu[fin] - acu[ini - 1];
            res = max(res, s - (arbol[fin].tam - arbol[ini].tam));
        }
    }

    cout << res << nl;

    return 0;
}
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