Eroare de compilare: user.c:1:18: error: fstream: No such file or directory user.c:3: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘namespace’ user.c:7: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘fin’ user.c:8: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘fout’ user.c: In function ‘rezolva’: user.c:18: error: ‘for’ loop initial declarations are only allowed in C99 mode user.c:18: note: use option -std=c99 or -std=gnu99 to compile your code user.c:24: error: ‘for’ loop initial declarations are only allowed in C99 mode user.c:37: error: ‘fout’ undeclared (first use in this function) user.c:37: error: (Each undeclared identifier is reported only once user.c:37: error: for each function it appears in.) user.c: In function ‘main’: user.c:41: error: ‘fin’ undeclared (first use in this function) user.c:44: error: ‘fout’ undeclared (first use in this function)