0_0_5966361_27669.cpp: In function `void dfs(int, int)':
0_0_5966361_27669.cpp:51: error: return-statement with a value, in function returning 'void'
0_0_5966361_27669.cpp:56: error: return-statement with a value, in function returning 'void'
0_0_5966361_27669.cpp: In function `void BFS()':
0_0_5966361_27669.cpp:120: error: void value not ignored as it ought to be
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