Compilare: main.cpp: In function 'bool valid()': main.cpp:43:10: warning: this 'if' clause does not guard... [-Wmisleading-indentation] 43 | if(col(i,j)!=lin(i,j)) return false;int k=lin(i,j); | ^~ main.cpp:43:46: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if' 43 | if(col(i,j)!=lin(i,j)) return false;int k=lin(i,j); | ^~~