Main.cc: In function ‘void slv()’:
Main.cc:32:5: error: ‘memset’ was not declared in this scope
memset(dp,-1,sizeof(dp));
^~~~~~
Main.cc:32:5: note: suggested alternative: ‘wmemset’
memset(dp,-1,sizeof(dp));
^~~~~~
wmemset
Main.cc:38:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
while(id=A[i][id])id++;
~~^~~~~~~~~~~~
Main.cc:44:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
while(id=B[i][id])id++;
~~^~~~~~~~~~~~