Eroare de compilare: user.c:1:19: error: fstream: No such file or directory user.c:2:18: error: bitset: No such file or directory user.c:3: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘namespace’ user.c:4: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘<’ token user.c: In function ‘main’: user.c:9: error: ‘ifstream’ undeclared (first use in this function) user.c:9: error: (Each undeclared identifier is reported only once user.c:9: error: for each function it appears in.) user.c:9: error: expected ‘;’ before ‘f1’ user.c:10: error: ‘ofstream’ undeclared (first use in this function) user.c:10: error: expected ‘;’ before ‘f2’ user.c:11: error: ‘f1’ undeclared (first use in this function) user.c:12: error: ‘for’ loop initial declarations are only allowed in C99 mode user.c:12: note: use option -std=c99 or -std=gnu99 to compile your code user.c:14: error: ‘neprim’ undeclared (first use in this function) user.c:20: error: ‘f2’ undeclared (first use in this function)