0_0_18096409_22974.cpp: In function 'void dfs(int, int)':
0_0_18096409_22974.cpp:119:58: error: 'memset' was not declared in this scope
memset(visedge, 0, sizeof visedge);
^
0_0_18096409_22974.cpp:131:58: error: 'memset' was not declared in this scope
memset(visedge, 0, sizeof visedge);
^
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