View Compilation Error

223620_0_20741.c:1:20: iostream: No such file or directory
223620_0_20741.c:2:18: string: No such file or directory
223620_0_20741.c:3:17: stack: No such file or directory
223620_0_20741.c:4: error: syntax error before "namespace"
223620_0_20741.c: In function `main':
223620_0_20741.c:10: error: `EOF' undeclared (first use in this function)
223620_0_20741.c:10: error: (Each undeclared identifier is reported only once
223620_0_20741.c:10: error: for each function it appears in.)
223620_0_20741.c:14: error: `stack' undeclared (first use in this function)
223620_0_20741.c:14: error: syntax error before "char"
223620_0_20741.c:17: error: `st' undeclared (first use in this function)