func_code_string: #include <bits/stdc++.h>   using namespace std;   char s[601000];   long long m;   long long ans = 0;   long long len;   long long ll;   long long mod = 1;   long long reget(long long x) {     long long reans = (10 * (ll - ((long long)(s[x] -  0 ) * mod) % m + m) % m +                        (long long)(s[x] -  0 ) + m) %                       m;     return reans;   }   long long get(long long l, long long r) {     long long t = l;     long long temp = 0;     while (t <= r) {       if (temp >= m) temp = (temp % m + m) % m;       while (temp < m && t <= r) {         temp = temp * 10 + (long long)(s[t] -  0 );         t++;       }     }     temp = (temp + m) % m;     return temp;   }   int main() {     cin >> s;     len = strlen(s);     cin >> m;     ans = get(0, len - 1);     for (long long i = 1; i < len; i++) mod = (mod * 10 + m) % m;     ll = ans;     for (long long i = 0; i < len - 1; i++) {       ll = reget(i);       if (s[i + 1] ==  0 ) continue;       ans = min(ll, ans);     }     printf( %I64d n , ans);     return 0;   }   