View Compilation Error

0_0_1565877_5570.c:1:19: iostream: No such file or directory
0_0_1565877_5570.c:2: error: syntax error before "namespace"
0_0_1565877_5570.c: In function `main':
0_0_1565877_5570.c:5: error: `__int64' undeclared (first use in this function)
0_0_1565877_5570.c:5: error: (Each undeclared identifier is reported only once
0_0_1565877_5570.c:5: error: for each function it appears in.)
0_0_1565877_5570.c:5: error: syntax error before "a"
0_0_1565877_5570.c:6: error: `a' undeclared (first use in this function)
0_0_1565877_5570.c:6: error: `b' undeclared (first use in this function)