View Compilation Error

0_0_3014635_7355.c:1:20: iostream: No such file or directory
0_0_3014635_7355.c:2: error: syntax error before "namespace"
0_0_3014635_7355.c: In function `main':
0_0_3014635_7355.c:11: error: `__int64' undeclared (first use in this function)
0_0_3014635_7355.c:11: error: (Each undeclared identifier is reported only once
0_0_3014635_7355.c:11: error: for each function it appears in.)
0_0_3014635_7355.c:11: error: syntax error before "max"
0_0_3014635_7355.c:13: error: 'for' loop initial declaration used outside C99 mode
0_0_3014635_7355.c:16: error: `sum' undeclared (first use in this function)
0_0_3014635_7355.c:17: error: `max' undeclared (first use in this function)