View Compilation Error

0_0_9625060_6884.c:1:21: iostream: No such file or directory
0_0_9625060_6884.c:2:19: cstring: No such file or directory
0_0_9625060_6884.c:3: error: syntax error before "namespace"
0_0_9625060_6884.c:6: error: syntax error before "map"
0_0_9625060_6884.c:7: error: syntax error before "biao"
0_0_9625060_6884.c:9: error: syntax error before "dfs"
0_0_9625060_6884.c: In function `dfs':
0_0_9625060_6884.c:14: error: `false' undeclared (first use in this function)
0_0_9625060_6884.c:14: error: (Each undeclared identifier is reported only once
0_0_9625060_6884.c:14: error: for each function it appears in.)
0_0_9625060_6884.c:16: error: `true' undeclared (first use in this function)
0_0_9625060_6884.c: In function `main':
0_0_9625060_6884.c:30: error: `true' undeclared (first use in this function)
0_0_9625060_6884.c:34: error: `false' undeclared (first use in this function)