View Compilation Error

0_0_6702116_22919.c:3:14: map: No such file or directory
0_0_6702116_22919.c:4:16: queue: No such file or directory
0_0_6702116_22919.c:6: error: syntax error before "namespace"
0_0_6702116_22919.c:7: error: syntax error before '<' token
0_0_6702116_22919.c: In function `spfa':
0_0_6702116_22919.c:28: error: `w' undeclared (first use in this function)
0_0_6702116_22919.c:28: error: (Each undeclared identifier is reported only once
0_0_6702116_22919.c:28: error: for each function it appears in.)
0_0_6702116_22919.c:35: error: `v' undeclared (first use in this function)