View Compilation Error

0_0_4285234_15196.c:2:19: iostream: No such file or directory
0_0_4285234_15196.c:3:14: map: No such file or directory
0_0_4285234_15196.c:4: error: syntax error before "namespace"
0_0_4285234_15196.c:11: error: syntax error before '<' token
0_0_4285234_15196.c: In function `dfs':
0_0_4285234_15196.c:66: error: `mymap' undeclared (first use in this function)
0_0_4285234_15196.c:66: error: (Each undeclared identifier is reported only once
0_0_4285234_15196.c:66: error: for each function it appears in.)
0_0_4285234_15196.c: In function `main':
0_0_4285234_15196.c:114: error: `mymap' undeclared (first use in this function)