제출 #934265

#제출 시각아이디문제언어결과실행 시간메모리
934265Faisal_SaqibBuilding Bridges (CEOI17_building)C++17
0 / 100
9 ms1480 KiB
#include <iostream> using namespace std; #define ll long long const int N=1e4+100; ll dp[N],a[N],pre[N],h[N],w[N]; ll cost(int i,int j) { if(i>j) { swap(i,j); } return pre[i-1]-pre[j]+((h[i]-h[j])*(h[i]-h[j])); } void solve() { int n; cin>>n; for(int i=1;i<=n;i++) cin>>h[i]; for(int i=1;i<=n;i++) { cin>>w[i]; pre[i]=pre[i-1]+w[i]; } ll ans=1e18; for(int i=2;i<n;i++) for(int j=i+1;j<n;j++) ans=min(ans,cost(1,i)+cost(i,j)+cost(j,n)); cout<<ans<<endl; } signed main() { int t=1; while(t--) { solve(); } }
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