View Compilation Error

0_0_7147699_22827.c:1:21: algorithm: No such file or directory
0_0_7147699_22827.c:2:20: iostream: No such file or directory
0_0_7147699_22827.c:7: error: syntax error before "namespace"
0_0_7147699_22827.c:9: error: syntax error before "allow"
0_0_7147699_22827.c: In function `allow':
0_0_7147699_22827.c:12: error: `true' undeclared (first use in this function)
0_0_7147699_22827.c:12: error: (Each undeclared identifier is reported only once
0_0_7147699_22827.c:12: error: for each function it appears in.)
0_0_7147699_22827.c:14: error: `false' undeclared (first use in this function)
0_0_7147699_22827.c: At top level:
0_0_7147699_22827.c:17: error: syntax error before "cmp"