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  1. #include <iostream>
  2. #include <string.h>
  3. #include <stdio.h>
  4.  
  5. int val(char c)
  6. {
  7.     if (c >= '0' && c <= '9')
  8.         return (int)c - '0';
  9.     else
  10.         return (int)c - 'A' + 10;
  11. }
  12.  
  13. long long basemachine(int base, const char *str)
  14. {
  15.     int len = strlen(str);
  16.     long long power=1;
  17.     long long num=0;
  18.  
  19.     for (int i=len-1; i>=0; i--) {
  20.         num+= val(str[i]) * power;
  21.         power = power * base;
  22.     }
  23.     return num;
  24. }
  25.  
  26. int main() {
  27.     char str1[]="2P6X2MU";
  28.     char str2[]="6PMP5GK";
  29.     long long n=basemachine(35, str1);
  30.     long long m=basemachine(30, str2);
  31.     std::cout<<n<<" "<<m;
  32. }
  33.  
Success #stdin #stdout 0s 4372KB
comments (?)
stdin 
Standard input is empty
stdout 
5000000000 5000000000
https://ideone.com/WfD3Yi
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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