Submission #1266899

#	Time	Username	Problem	Language	Result	Execution time	Memory
1266899		kutomei3	Art Exhibition (JOI18_art)	C++20	100 / 100	343 ms	12148 KiB

art

#include<bits/stdc++.h>
using namespace std;

#define int long long

signed main()
{
    int mx = 0, ml = 0, sa = 0;
    int n;
    cin >> n;
    int s[n], v[n];
    int ind[n];
    for (int i = 0; i < n; i++) {
        cin >> s[i] >> v[i];
        ind[i] = i;
    }
    sort(ind, ind + n, [&](int i, int j){
        return s[i] < s[j];
    });
    for (int i = 0; i < n; i++) {
        mx = max(mx, v[ind[i]]);
        mx = max(sa + v[ind[i]] + ml - s[ind[i]], mx);
        ml = max(s[ind[i]] - sa, ml);
        sa += v[ind[i]];
    }
    cout << mx;
    return 0;
}

/*
pmax - pmin - amax + amin
pmax - amax + amin - p(min - 1)
*/

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