View Compilation Error

99310_0_29789.c:1:21: iostream: No such file or directory
99310_0_29789.c:2:19: string: No such file or directory
99310_0_29789.c:3: error: syntax error before "namespace"
99310_0_29789.c: In function `main':
99310_0_29789.c:53: error: `string' undeclared (first use in this function)
99310_0_29789.c:53: error: (Each undeclared identifier is reported only once
99310_0_29789.c:53: error: for each function it appears in.)
99310_0_29789.c:53: error: syntax error before "aa"
99310_0_29789.c:54: error: `cin' undeclared (first use in this function)
99310_0_29789.c:54: error: `aa' undeclared (first use in this function)
99310_0_29789.c:54: error: `bb' undeclared (first use in this function)
99310_0_29789.c:87: error: `cout' undeclared (first use in this function)
99310_0_29789.c:88: error: `endl' undeclared (first use in this function)