Submission #250658

#	Time	Username	Problem	Language	Result	Execution time	Memory
250658		Sorting	Building Bridges (CEOI17_building)	C++14	30 / 100	3036 ms	2596 KiB

building

#include <bits/stdc++.h>

using namespace std;

const int k_N = 1e5 + 3;
const long long k_Inf = 1e18;

int n;
long long h[k_N], w[k_N];

long long dp[k_N]; 

int main(){
    ios::sync_with_stdio(false);
    cin.tie(NULL);

    cin >> n;
    for(int i = 0; i < n; ++i)
        cin >> h[i];
    for(int i = 0; i < n; ++i)
        cin >> w[i];

    dp[n - 1] = 0;
    for(int i = n - 2; i >= 0; --i){
        dp[i] = k_Inf;
        long long sum = 0;
        for(int j = i + 1; j <= n - 1; ++j){
            dp[i] = min(sum + (h[i] - h[j]) * (h[i] - h[j]) + dp[j], dp[i]);
            sum += w[j];
        }
    }

    cout << dp[0] << "\n";
}
/*
6
3 8 7 1 6 6
0 -1 9 1 2 0
*/

• Subtask 1: 30 / 30
• Subtask 2: 0 / 30
• Subtask 3: 0 / 40