View Compilation Error

76064_0_945.c:2:19: iostream: No such file or directory
76064_0_945.c:4: error: syntax error before "namespace"
76064_0_945.c: In function `main':
76064_0_945.c:7: error: `__int64' undeclared (first use in this function)
76064_0_945.c:7: error: (Each undeclared identifier is reported only once
76064_0_945.c:7: error: for each function it appears in.)
76064_0_945.c:7: error: syntax error before "a"
76064_0_945.c:8: error: `cin' undeclared (first use in this function)
76064_0_945.c:8: error: `a' undeclared (first use in this function)
76064_0_945.c:8: error: `b' undeclared (first use in this function)
76064_0_945.c:8: error: `cout' undeclared (first use in this function)
76064_0_945.c:8: error: `endl' undeclared (first use in this function)
76064_0_945.c:9: error: `return0' undeclared (first use in this function)