Submission #3418376

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Source Code Expand

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
int main(){
  int n;cin>>n;
  ll a[n+1],b[n+1];
  for(int i=1;i<=n;i++) cin>>a[i]>>b[i];
  ll c[2*n+1];
  for(int i=1;i<=2*n;i++) c[i]=0;
  for(int i=1;i<=2*n;i++){
    for(int j=max(1,i-n);j<=min(n,i-1);j++){
      c[i]+=a[j]*b[i-j];
    }
  }
  for(int i=1;i<=2*n;i++) cout<<c[i]<<endl;
}

Submission Info

Judge Result