Eroare de compilare: user.cpp: In function ‘BigInt operator+(const BigInt&, const BigInt&)’: user.cpp:57:53: error: ‘memcpy’ was not declared in this scope memcpy(&rez.a[0], a, sizeof(unsigned) * (n+1)); ^ user.cpp: In member function ‘void BigInt::read(FILE*)’: user.cpp:140:33: error: ‘memset’ was not declared in this scope memset(&a[0], 0, 4*a.size()); ^ user.cpp: In function ‘void solve()’: user.cpp:186:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &put); ^ user.cpp: In function ‘int main()’: user.cpp:204:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("puteri2.in", "r", stdin); ^ user.cpp:205:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("puteri2.out", "w", stdout); ^ user.cpp:207:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d\n", &tst); ^