View Compilation Error

222522_0_7815.c:1:19: iostream: No such file or directory
222522_0_7815.c:2: error: syntax error before "namespace"
222522_0_7815.c: In function `main':
222522_0_7815.c:4: error: `__int64' undeclared (first use in this function)
222522_0_7815.c:4: error: (Each undeclared identifier is reported only once
222522_0_7815.c:4: error: for each function it appears in.)
222522_0_7815.c:4: error: syntax error before "ch"
222522_0_7815.c:6: error: `ch' undeclared (first use in this function)
222522_0_7815.c:11: error: `EOF' undeclared (first use in this function)