0_0_2001140_2223.c:1:19: iostream: No such file or directory
0_0_2001140_2223.c:2: error: syntax error before "namespace"
0_0_2001140_2223.c: In function `init':
0_0_2001140_2223.c:10: error: 'for' loop initial declaration used outside C99 mode
0_0_2001140_2223.c: At top level:
0_0_2001140_2223.c:17: error: syntax error before "bool"
0_0_2001140_2223.c:27: error: syntax error before "int"
0_0_2001140_2223.c: In function `dfs':
0_0_2001140_2223.c:38: error: 'for' loop initial declaration used outside C99 mode
0_0_2001140_2223.c:52: error: 'for' loop initial declaration used outside C99 mode
0_0_2001140_2223.c: In function `main':
0_0_2001140_2223.c:66: error: `EOF' undeclared (first use in this function)
0_0_2001140_2223.c:66: error: (Each undeclared identifier is reported only once
0_0_2001140_2223.c:66: error: for each function it appears in.)
0_0_2001140_2223.c:69: error: `cin' undeclared (first use in this function)
0_0_2001140_2223.c:78: error: `cout' undeclared (first use in this function)
0_0_2001140_2223.c:78: error: `endl' undeclared (first use in this function)
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