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  1. #include <iostream>
  2. #include <fstream>
  3.  
  4. std::string read(std::fstream&& file){
  5.   std::string temp;
  6.   std::string ret;
  7.   while(file>>temp) ret += temp;
  8.   return ret;
  9. }
  10.  
  11. int main(int argc, char** argv){
  12.   char data[1000] = { 0 };
  13.   char* dp = data; //data pointer
  14.   std::string code;
  15.   std::cin >> code;
  16.   size_t it = 0;
  17.   size_t nor = 0;
  18.   while(it < code.size()){
  19.     switch(code[it]){
  20.       case '>':
  21.         ++dp;
  22.         break;
  23.       case '<':
  24.         --dp;
  25.         break;
  26.       case '+':
  27.         ++(*dp);
  28.         break;
  29.       case '-':
  30.         --(*dp);
  31.           break;
  32.       case '.':
  33.         std::cout<<*dp;
  34.         break;
  35.       case ',':
  36.         std::cin>>*dp;
  37.         break;
  38.       case '[':
  39.         if(*dp == 0){
  40.           int lc = 1; //loop counter
  41.           while(lc != 0){
  42.             ++it;
  43.             if(code[it] == '[') ++lc;
  44.             if(code[it] == ']') --lc;
  45.           }
  46.         }
  47.         else
  48.           nor = it;
  49.         break;
  50.       case ']':
  51.         it = nor-1;
  52.         break;
  53.       default:
  54.         break;
  55.     }
  56.     ++it;
  57.   }
  58.   std::cout<<"\nExecution time: TODO\nPress any key to exit...";
  59. }
Success #stdin #stdout 0s 3468KB
comments (?)
stdin 
++++++++++[>+++++++>++++++++++>+++>+<<<<-]>++.>+.+++++++..+++.>++.<<+++++++++++++++.>.+++.------.--------.>+.>.
stdout 
Hello World!

Execution time: TODO
Press any key to exit...
https://ideone.com/RunPgJ
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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