View Compilation Error

0_0_5978401_10490.c:1:17: cstdio: No such file or directory
0_0_5978401_10490.c:2:18: cstring: No such file or directory
0_0_5978401_10490.c:3:20: algorithm: No such file or directory
0_0_5978401_10490.c:7: error: syntax error before "namespace"
0_0_5978401_10490.c:14: error: syntax error before "used"
0_0_5978401_10490.c: In function `dfs':
0_0_5978401_10490.c:64: error: `true' undeclared (first use in this function)
0_0_5978401_10490.c:64: error: (Each undeclared identifier is reported only once
0_0_5978401_10490.c:64: error: for each function it appears in.)
0_0_5978401_10490.c: In function `main':
0_0_5978401_10490.c:88: error: `EOF' undeclared (first use in this function)