Submission #1159085

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1159085	2025-02-28 07:05:16	alexander707070	Remittance (JOI19_remittance)	C++20	0 / 100	0 ms	328 KiB

remittance

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#include<bits/stdc++.h>
#define MAXN 1000007
using namespace std;
int n;
long long a[MAXN],b[MAXN],s[2*MAXN];
long long power[MAXN];
int main(){
  cin>>n;
  for(int i=1;i<=n;i++){
    cin>>a[i]>>b[i];
    s[i]=a[i]-b[i];
    s[n+i]=s[i];
  }
  power[0]=1;
  for(int i=1;i<=n;i++)power[i]=power[i-1]*2;
  for(int i=1;i<=n;i++){
    long long res=0;
    for(int f=i;f<=n+i-1;f++){
      res+=power[f-i]*s[f];
    }
    if(res<0 or res%(power[n]-1)!=0){
      cout<<"No\n";
 
 
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• Subtask 1: 0 / 15
• Subtask 2: 0 / 40
• Subtask 3: 0 / 45