제출 #1356871

#제출 시각아이디문제언어결과실행 시간메모리
1356871IratePotatoes and fertilizers (LMIO19_bulves)C++20
0 / 100
168 ms327680 KiB
#include <bits/stdc++.h>
using namespace std;
const int N = 3005;
const int D = 3e4 + 5;
int dp[N][D];
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n;
    cin >> n;
    vector<int>a(n + 1), b(n + 1);
    vector<long long>p(n + 1);
    for(int i = 1;i <= n;++i){
        cin >> a[i] >> b[i];
        p[i] = p[i - 1] + (a[i] - b[i]);
    }
    for(int i = 1;i < n;++i){
        for(int j = 0;j < D;++j){
            dp[i][j] = dp[i - 1][j] + abs(p[i] - j);
            if(j - 1 >= 0)dp[i][j] = min(dp[i][j], dp[i][j - 1]);
        }
    }
    cout << dp[n - 1][p[n]];


}
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