View Compilation Error

0_0_7782855_6405.c:2:20: algorithm: No such file or directory
0_0_7782855_6405.c:3: error: syntax error before "namespace"
0_0_7782855_6405.c:11: error: syntax error before "comp"
0_0_7782855_6405.c: In function `comp':
0_0_7782855_6405.c:13: error: `true' undeclared (first use in this function)
0_0_7782855_6405.c:13: error: (Each undeclared identifier is reported only once
0_0_7782855_6405.c:13: error: for each function it appears in.)
0_0_7782855_6405.c:15: error: `false' undeclared (first use in this function)