제출 #393131

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
393131		knightron0	Building Bridges (CEOI17_building)	C++14	30 / 100	3068 ms	3244 KiB

building

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

	#define pb push_back
	#define fr first
	#define sc second
	#define clr(a, x) memset(a, x, sizeof(a))
	#define dbg(x) cout<<"("<<#x<<"): "<<x<<endl;
	#define printvector(arr) for (auto it = arr.begin(); it != arr.end(); ++it) cout<<*it<<" "; cout<<endl;
	#define all(v) v.begin(), v.end()
	#define lcm(a, b) (a * b)/__gcd(a, b)
	#define int long long int
	#define printvecpairs(vec) for(auto it: vec) cout<<it.fr<<' '<<it.sc<<endl;
	#define endl '\n'
	#define float long double

	const int MOD = 1e9 + 7;
	const int INF = 2e15;
	const int MAXN = 1e5 + 5;

	signed main() {
	    ios_base::sync_with_stdio(false);
	    cin.tie(NULL);
	    #ifdef LOCAL
	    freopen("input.txt", "r", stdin);
	    #endif
		int n;
		cin>>n;
		int a[n+3], b[n+3], pref[n+3];
		for(int i=1;i<=n;i++){
			cin>>a[i];
		}    
		pref[0] = 0;
		for(int i= 1;i<=n;i++){
			cin>>b[i];
			pref[i] = pref[i-1] + b[i];
		}
		int dp[n+3];
		dp[1] = 0;
		for(int i=2;i<=n;i++){
			dp[i] = INF;
			for(int j= 1;j<i;j++){
				dp[i] = min(dp[j] + ((a[i]-a[j])*(a[i]-a[j])) + (pref[i-1]-pref[j]), dp[i]);
			}
		}
		cout<<dp[n]<<endl;
	    return 0;
	}

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