Submission #544665

#	Time	Username	Problem	Language	Result	Execution time	Memory
544665		pokmui9909	택배 (KOI13_delivery)	C++17	100 / 100	18 ms	608 KiB

delivery

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

struct package
{
    int s, e, cnt;
};

int main()
{
    cin.tie(0); cout.tie(0);
    ios_base::sync_with_stdio(false);
    
    int n, c;
    cin >> n >> c;
    int m; cin >> m;
    package ar[10001];
    for(int i = 0; i < m; i++)
        cin >> ar[i].s >> ar[i].e >> ar[i].cnt;
    sort(ar, ar + m, 
         [](package a, package b) -> bool
         {
             if(a.e != b.e)
                return a.e < b.e;
             else
                return a.s > b.s;
         });
    int truck[10001] = {};
    int ans = 0;
    for(int i = 0; i < m; i++)
    {
        int box = 0;
        for(int j = ar[i].s; j < ar[i].e; j++)
            box = max(box, truck[j]);
        int k = min(c - box, ar[i].cnt);
        ans += k;
        for(int j = ar[i].s; j < ar[i].e; j++)
            truck[j] += k;
    }
    cout << ans;
}

• Subtask 1: 15 / 15
• Subtask 2: 17 / 17
• Subtask 3: 20 / 20
• Subtask 4: 23 / 23
• Subtask 5: 25 / 25