View Compilation Error

123665_0_1926.c:2:19: iostream: No such file or directory
123665_0_1926.c:4: error: syntax error before "namespace"
123665_0_1926.c:6: error: syntax error before "index"
123665_0_1926.c: In function `work':
123665_0_1926.c:21: error: `true' undeclared (first use in this function)
123665_0_1926.c:21: error: (Each undeclared identifier is reported only once
123665_0_1926.c:21: error: for each function it appears in.)
123665_0_1926.c:24: error: `false' undeclared (first use in this function)
123665_0_1926.c: In function `main':
123665_0_1926.c:46: error: `cin' undeclared (first use in this function)
123665_0_1926.c:71: error: `true' undeclared (first use in this function)
123665_0_1926.c:74: error: `cout' undeclared (first use in this function)
123665_0_1926.c:74: error: `endl' undeclared (first use in this function)