View Compilation Error

0_0_2604572_28838.c:3:16: queue: No such file or directory
0_0_2604572_28838.c:4: error: syntax error before "namespace"
0_0_2604572_28838.c: In function `spfa':
0_0_2604572_28838.c:7: error: `queue' undeclared (first use in this function)
0_0_2604572_28838.c:7: error: (Each undeclared identifier is reported only once
0_0_2604572_28838.c:7: error: for each function it appears in.)
0_0_2604572_28838.c:7: error: syntax error before "int"
0_0_2604572_28838.c:9: error: `q' undeclared (first use in this function)
0_0_2604572_28838.c:12: error: syntax error before '/' token
0_0_2604572_28838.c:15: error: 'for' loop initial declaration used outside C99 mode
0_0_2604572_28838.c: In function `mcmf':
0_0_2604572_28838.c:29: error: syntax error before '/' token
0_0_2604572_28838.c:34: error: syntax error before '/' token
0_0_2604572_28838.c:45: error: syntax error before '/' token