View Compilation Error

859815_0_0_25455.c:1:19: iostream: No such file or directory
859815_0_0_25455.c:2: error: syntax error before "namespace"
859815_0_0_25455.c: In function `main':
859815_0_0_25455.c:7: error: `cin' undeclared (first use in this function)
859815_0_0_25455.c:7: error: (Each undeclared identifier is reported only once
859815_0_0_25455.c:7: error: for each function it appears in.)
859815_0_0_25455.c:11: error: `cout' undeclared (first use in this function)
859815_0_0_25455.c:11: error: `endl' undeclared (first use in this function)