View Compilation Error

0_0_2558640_24087.c:2:20: algorithm: No such file or directory
0_0_2558640_24087.c:5: error: syntax error before "namespace"
0_0_2558640_24087.c: In function `main':
0_0_2558640_24087.c:17: error: `bool' undeclared (first use in this function)
0_0_2558640_24087.c:17: error: (Each undeclared identifier is reported only once
0_0_2558640_24087.c:17: error: for each function it appears in.)
0_0_2558640_24087.c:17: error: syntax error before "prime"
0_0_2558640_24087.c:18: error: `prime' undeclared (first use in this function)