Submission #1230247

#	Time	Username	Problem	Language	Result	Execution time	Memory
1230247		Nika533	Building Bridges (CEOI17_building)	C++20	30 / 100	3094 ms	3384 KiB

building

#pragma GCC diagnostic warning "-std=c++11"
#include <bits/stdc++.h>
#define int long long
#define pb push_back
#define f first
#define s second
#define MOD 1000000007
#define flush fflush(stdout)
#define all(x) (x).begin(),(x).end()
#define allr(x) (x).rbegin(), (x).rend()
#define pii pair<int,int>
using namespace std;
const int N=1e5+5;
int n,m,T,k,dp[N],h[N],w[N],pref[N];
void test_case() {
	cin>>n;
	for (int i=1; i<=n; i++) cin>>h[i];
	for (int i=1; i<=n; i++) {
		cin>>w[i];
		pref[i]=pref[i-1]+w[i];
	}
	dp[1]=0;
	for (int i=2; i<=n; i++) {
		dp[i]=1e18;
		for (int j=1; j<i; j++) {
			dp[i]=min(dp[i],dp[j]+pref[i-1]-pref[j]+(h[i]-h[j])*(h[i]-h[j]));
		}
	}
	cout<<dp[n]<<endl;
}
main () {
	ios :: sync_with_stdio(0);
	cin.tie(0); cout.tie(0);
	T=1;
	while (T--) test_case();
}

Compilation message (stderr)

building.cpp:1:32: warning: '-std=c++11' is not an option that controls warnings [-Wpragmas]
    1 | #pragma GCC diagnostic warning "-std=c++11"
      |                                ^~~~~~~~~~~~
building.cpp:31:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   31 | main () {
      | ^~~~

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