View Compilation Error

0_0_6838485_343.c:1:17: cstdio: No such file or directory
0_0_6838485_343.c:2:20: algorithm: No such file or directory
0_0_6838485_343.c:3: error: syntax error before "namespace"
0_0_6838485_343.c:7: error: syntax error before "cmp"
0_0_6838485_343.c:7: error: syntax error before '&' token
0_0_6838485_343.c: In function `cmp':
0_0_6838485_343.c:7: error: `a' undeclared (first use in this function)
0_0_6838485_343.c:7: error: (Each undeclared identifier is reported only once
0_0_6838485_343.c:7: error: for each function it appears in.)
0_0_6838485_343.c:7: error: `b' undeclared (first use in this function)
0_0_6838485_343.c: In function `main':
0_0_6838485_343.c:58: error: syntax error before '/' token
0_0_6838485_343.c:58: error: syntax error before ')' token