0_0_10877366_257.cpp: In function `void ok(status)':
0_0_10877366_257.cpp:24: error: return-statement with a value, in function returning 'void'
0_0_10877366_257.cpp:25: error: return-statement with a value, in function returning 'void'
0_0_10877366_257.cpp:26: error: return-statement with a value, in function returning 'void'
0_0_10877366_257.cpp:27: error: return-statement with a value, in function returning 'void'
0_0_10877366_257.cpp: In function `void bfs()':
0_0_10877366_257.cpp:31: error: return-statement with a value, in function returning 'void'
0_0_10877366_257.cpp:32: error: return-statement with a value, in function returning 'void'
0_0_10877366_257.cpp:40: error: return-statement with a value, in function returning 'void'
0_0_10877366_257.cpp:48: error: return-statement with a value, in function returning 'void'
0_0_10877366_257.cpp:49: error: could not convert `ok(next)' to `bool'
0_0_10877366_257.cpp:56: error: return-statement with a value, in function returning 'void'
0_0_10877366_257.cpp: At global scope:
0_0_10877366_257.cpp:59: error: `main' must return `int'
0_0_10877366_257.cpp: In function `int main(...)':
0_0_10877366_257.cpp:65: error: invalid use of void expression
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