View Compilation Error

0_0_4714755_8956.c:1:17: stack: No such file or directory
0_0_4714755_8956.c:2:17: queue: No such file or directory
0_0_4714755_8956.c:3: error: syntax error before "namespace"
0_0_4714755_8956.c: In function `main':
0_0_4714755_8956.c:18: error: `queue' undeclared (first use in this function)
0_0_4714755_8956.c:18: error: (Each undeclared identifier is reported only once
0_0_4714755_8956.c:18: error: for each function it appears in.)
0_0_4714755_8956.c:18: error: syntax error before "int"
0_0_4714755_8956.c:22: error: `q' undeclared (first use in this function)
0_0_4714755_8956.c:28: error: `stack' undeclared (first use in this function)
0_0_4714755_8956.c:28: error: syntax error before "int"
0_0_4714755_8956.c:32: error: `s' undeclared (first use in this function)