Submission #19723754

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Source Code Expand

#include<bits/stdc++.h>
#include<atcoder/all>
using namespace std;
using namespace atcoder;
#define rep(i,n) for(int i=0;i<=n;i++)
int num;
bool judge(int tg,int st){
  bool ok=true;
  int x=tg;
    //判定
    while(x){
      if(x%st==7) ok=false;
      x/=st;
    }
  return ok;
}

int main(void){
  cin>>num;
  int ans=0;
  int DEC=10;
  int OCT=8;
for(int i=1;i<=num;i++){
  bool ok1=true;
  bool ok2=true; 
  ok1=judge(i,DEC);
  ok2=judge(i,OCT);
  if(ok1==true && ok2==true) ans++;
}
 
cout<<ans<<endl;
}

Submission Info

Judge Result