View Compilation Error

0_0_9966137_9125.c:1:20: iostream: No such file or directory
0_0_9966137_9125.c:2:16: stack: No such file or directory
0_0_9966137_9125.c:3:16: queue: No such file or directory
0_0_9966137_9125.c:4: error: syntax error before "namespace"
0_0_9966137_9125.c: In function `queue_test':
0_0_9966137_9125.c:7: error: `queue' undeclared (first use in this function)
0_0_9966137_9125.c:7: error: (Each undeclared identifier is reported only once
0_0_9966137_9125.c:7: error: for each function it appears in.)
0_0_9966137_9125.c:7: error: syntax error before "int"
0_0_9966137_9125.c:16: error: `Q' undeclared (first use in this function)
0_0_9966137_9125.c: In function `stack_test':
0_0_9966137_9125.c:32: error: `stack' undeclared (first use in this function)
0_0_9966137_9125.c:32: error: syntax error before "int"
0_0_9966137_9125.c:41: error: `S' undeclared (first use in this function)