View Compilation Error

0_0_1565390_14731.c:2:20: algorithm: No such file or directory
0_0_1565390_14731.c:3: error: syntax error before "namespace"
0_0_1565390_14731.c:10: error: syntax error before "cmp"
0_0_1565390_14731.c: In function `cmp':
0_0_1565390_14731.c:13: error: `true' undeclared (first use in this function)
0_0_1565390_14731.c:13: error: (Each undeclared identifier is reported only once
0_0_1565390_14731.c:13: error: for each function it appears in.)
0_0_1565390_14731.c:16: error: `false' undeclared (first use in this function)