0_0_2806844_10342.c:1:20: iostream: No such file or directory
0_0_2806844_10342.c:2:19: fstream: No such file or directory
0_0_2806844_10342.c:3: error: syntax error before "namespace"
0_0_2806844_10342.c:5: error: syntax error before "visit"
0_0_2806844_10342.c: In function `DFS':
0_0_2806844_10342.c:11: error: `true' undeclared (first use in this function)
0_0_2806844_10342.c:11: error: (Each undeclared identifier is reported only once
0_0_2806844_10342.c:11: error: for each function it appears in.)
0_0_2806844_10342.c:16: error: `false' undeclared (first use in this function)
0_0_2806844_10342.c:24: error: `cout' undeclared (first use in this function)
0_0_2806844_10342.c:26: error: `endl' undeclared (first use in this function)
0_0_2806844_10342.c: In function `main':
0_0_2806844_10342.c:46: error: `cin' undeclared (first use in this function)
0_0_2806844_10342.c:49: error: `false' undeclared (first use in this function)
0_0_2806844_10342.c:52: error: `cout' undeclared (first use in this function)
0_0_2806844_10342.c:52: error: `endl' undeclared (first use in this function)
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