Eroare de compilare: user.cpp:1:20: error: fstream.h: No such file or directory user.cpp: In function ‘void inmul(int (*)[4], int (*)[4])’: user.cpp:7: error: ‘memset’ was not declared in this scope user.cpp: At global scope: user.cpp:18: error: ‘ifstream’ does not name a type user.cpp:19: error: ‘ofstream’ does not name a type user.cpp: In function ‘int main()’: user.cpp:22: error: ‘fin’ was not declared in this scope user.cpp:25: error: ‘memset’ was not declared in this scope user.cpp:40: error: ‘fout’ was not declared in this scope user.cpp:21: warning: unused variable ‘i’ user.cpp:21: warning: unused variable ‘j’