Eroare de compilare: user.c:1:19: error: iostream: No such file or directory user.c:2:18: error: fstream: No such file or directory user.c:3: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘namespace’ user.c:4: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘f’ user.c:5: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘g’ user.c: In function ‘permutare’: 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:21: error: redefinition of ‘i’ user.c:18: note: previous definition of ‘i’ was here user.c:21: error: ‘for’ loop initial declarations are only allowed in C99 mode user.c: In function ‘main’: user.c:27: error: ‘f’ undeclared (first use in this function) user.c:27: error: (Each undeclared identifier is reported only once user.c:27: error: for each function it appears in.) user.c:30: error: ‘g’ undeclared (first use in this function)