View Compilation Error

174391_0_26099.c:2:19: iostream: No such file or directory
174391_0_26099.c:3: error: syntax error before "namespace"
174391_0_26099.c: In function `main':
174391_0_26099.c:8: error: `cin' undeclared (first use in this function)
174391_0_26099.c:8: error: (Each undeclared identifier is reported only once
174391_0_26099.c:8: error: for each function it appears in.)