View Compilation Error

0_0_8947053_28786.c:2:19: iostream: No such file or directory
0_0_8947053_28786.c:4:16: queue: No such file or directory
0_0_8947053_28786.c:5: error: syntax error before "namespace"
0_0_8947053_28786.c:9: error: syntax error before "friend"
0_0_8947053_28786.c: In function `main':
0_0_8947053_28786.c:20: error: `priority_queue' undeclared (first use in this function)
0_0_8947053_28786.c:20: error: (Each undeclared identifier is reported only once
0_0_8947053_28786.c:20: error: for each function it appears in.)
0_0_8947053_28786.c:20: error: `mm' undeclared (first use in this function)
0_0_8947053_28786.c:20: error: `q' undeclared (first use in this function)
0_0_8947053_28786.c:25: error: syntax error before "cur"
0_0_8947053_28786.c:31: error: `cur' undeclared (first use in this function)