Eroare de compilare: user.cpp: In function ‘void init(int*, int)’: user.cpp:118: error: ‘memset’ was not declared in this scope user.cpp: In function ‘void big_mul(int*, int*)’: user.cpp:166: error: ‘memset’ was not declared in this scope user.cpp:173: error: ‘memcpy’ was not declared in this scope user.cpp: In function ‘int main()’: user.cpp:201: error: ‘rand’ was not declared in this scope user.cpp:223: error: ‘memcpy’ was not declared in this scope user.cpp:229: error: ‘memset’ was not declared in this scope user.cpp:234: error: ‘memcpy’ was not declared in this scope user.cpp:191: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:192: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:194: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:196: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:197: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result