Eroare de compilare: user.c:1:17: error: cstdio: No such file or directory user.c:2:17: error: vector: No such file or directory user.c:3:20: error: algorithm: No such file or directory user.c:4: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'namespace' user.c: In function 'main': user.c:6: error: 'FILE' undeclared (first use in this function) user.c:6: error: (Each undeclared identifier is reported only once user.c:6: error: for each function it appears in.) user.c:6: error: 'f' undeclared (first use in this function) user.c:6: warning: implicit declaration of function 'fopen' user.c:6: error: 'g' undeclared (first use in this function) user.c:6: warning: left-hand operand of comma expression has no effect user.c:8: error: 'vector' undeclared (first use in this function) user.c:8: error: expected expression before 'int' user.c:9: error: 'cin' undeclared (first use in this function) user.c:11: error: 'v' undeclared (first use in this function) user.c:14: warning: implicit declaration of function 'fprintf' user.c:14: warning: incompatible implicit declaration of built-in function 'fprintf' user.c:16: warning: implicit declaration of function 'next_permutation'