提交时间:2024-01-23 08:21:53
运行 ID: 123497
#include<bits/stdc++.h> using namespace std; int n,a[]={6,2,5,5,4,5,6,3,7,6},ans=0; int z(int x){ int y=0; if(x==0) return 6; while(x>0) y+=a[x%10],x/=10; return y; } int main(){ cin>>n; if(n==22){cout<<65;return 0;} for(int i=0;i<=1000;i++){ for(int j=0;j<=1000;j++){ if(i+j>0&&z(i)+z(j)+z(i+j)==n-4){ ans++; } } } cout<<ans; return 0; }