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December 24, 2016 09:27
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#include<iostream> | |
#include<vector> | |
#include<string> | |
int main(){ | |
std::vector<char> memory(10000, 0); | |
int pointer = 0; | |
int loop = 0; | |
while(true){ | |
int o_pointer = 0; | |
std::string brain_code; | |
std::cout << ">>"; | |
std::cin >> brain_code; | |
while(o_pointer < brain_code.length()){ | |
switch(brain_code[o_pointer]){ | |
case '>': | |
pointer++; | |
break; | |
case '<': | |
pointer--; | |
break; | |
case '+': | |
memory[pointer]++; | |
break; | |
case '-': | |
memory[pointer]--; | |
break; | |
case '.': | |
std::cout << memory[pointer]; | |
break; | |
case ',': | |
memory[pointer] = std::cin.get(); | |
break; | |
case '[': | |
if(memory[pointer] == 0){ | |
o_pointer++; | |
while(loop > 0 || brain_code[o_pointer] != ']'){ | |
if(brain_code[o_pointer] == '[') loop++; | |
if(brain_code[o_pointer] == ']') loop--; | |
o_pointer++; | |
} | |
} | |
break; | |
case ']': | |
if(memory[pointer] != 0){ | |
o_pointer--; | |
while(loop > 0 || brain_code[o_pointer] != '['){ | |
if(brain_code[o_pointer] == '[') loop--; | |
if(brain_code[o_pointer] == ']') loop++; | |
o_pointer--; | |
} | |
o_pointer--; | |
} | |
break; | |
} | |
o_pointer++; | |
} | |
std::cout << std::endl; | |
} | |
} |
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