题目1132：与7无关的数

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#include <iostream>#include <algorithm>#include <queue>#include <vector>#include <cstring>#include <stack>#include <string>#include <string.h>#include <stdio.h>#include <cmath>#include <map>#include <functional>#include <set>#include <limits.h>#include <math.h>#include <ctype.h>using namespace std;//1132int n;bool fuck(int n){    if(n%7==0)        return true;    while(n){        int t=n%10;        if(t==7)    return true;        n/=10;    }    return false;}long long int ans;int main(){    while(cin>>n)    {        ans=0;        for(int i=1;i<n+1;i++)            if(!fuck(i))                ans+=i*i;        cout<<ans<<endl;    }    return 0;}/**************************************************************    Problem: 1132    User: cust123    Language: C++    Result: Accepted    Time:10 ms    Memory:1520 kb****************************************************************/

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