online compiler and debugger for c/c++

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/****************************************************************************** Online C++ Compiler. Code, Compile, Run and Debug C++ program online. Write your code in this editor and press "Run" button to compile and execute it. *******************************************************************************/ #include <iostream> #include <cstring> #define byte char void printEAX(char* eax){ int i=0; while(i<6) { printf("%.2hhx-",*(eax+i)); i++; } printf("\n"); } int main() { const auto magic = 0x89ABCDE; printf("sizeof magic = %i: \t", sizeof(magic)); printEAX((char*)&magic); char *EAX = (char *)malloc(6); memset(EAX, 0, 6); strcpy(EAX, "AT4RE"); printf("AT4RE: \t\t\t"); printEAX(EAX); int ECX = 0; do { EAX = ECX + EAX; *EAX = *EAX ^ 0x89ABCDE; //only first byte which is [de] (08 9a bc de) <<< Endianness printf("XORed 0xDE: \t\t"); printEAX(EAX-ECX); *(byte *)EAX = *(byte *)EAX & 0xE; printf("AND 0xE \t\t"); printEAX(EAX-ECX); ECX = ECX + 0x4; } while(ECX < 8); printf("\n\nresult: \t\t") ;printEAX(EAX-ECX + 0x4); return 0; }

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