Eroare de compilare: user.cpp: In function ‘void citire_fisier()’: user.cpp:9:28: error: ‘fopen_s’ was not declared in this scope fopen_s(&f,"perm3.in", "r"); ^ user.cpp:13:23: error: ‘fscanf_s’ was not declared in this scope fscanf_s(f, "%d", &nr); ^ user.cpp: At global scope: user.cpp:68:11: error: ‘::main’ must return ‘int’ void main() ^ user.cpp: In function ‘int main()’: user.cpp:71:29: error: ‘fopen_s’ was not declared in this scope fopen_s(&g,"perm3.out", "w"); ^