0_0_8582022_28861.c:3:16: queue: No such file or directory
0_0_8582022_28861.c:4: error: syntax error before "namespace"
0_0_8582022_28861.c:5: error: syntax error before "f"
0_0_8582022_28861.c: In function `bfs':
0_0_8582022_28861.c:9: error: `queue' undeclared (first use in this function)
0_0_8582022_28861.c:9: error: (Each undeclared identifier is reported only once
0_0_8582022_28861.c:9: error: for each function it appears in.)
0_0_8582022_28861.c:9: error: syntax error before "int"
0_0_8582022_28861.c:10: error: `q' undeclared (first use in this function)
0_0_8582022_28861.c:12: error: 'for' loop initial declaration used outside C99 mode
0_0_8582022_28861.c: In function `main':
0_0_8582022_28861.c:43: error: 'for' loop initial declaration used outside C99 mode
0_0_8582022_28861.c:50: error: redefinition of 'i'
0_0_8582022_28861.c:43: error: previous definition of 'i' was here
0_0_8582022_28861.c:50: error: 'for' loop initial declaration used outside C99 mode
0_0_8582022_28861.c:56: error: 'for' loop initial declaration used outside C99 mode
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