Compilare: user.cpp: In function ‘void solve()’: user.cpp:64:9: warning: this ‘if’ clause does not guard... [-Wmisleading-indentation] if(z==1) sol++; int l=g[w].size(); ^~ user.cpp:64:25: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘if’ if(z==1) sol++; int l=g[w].size(); ^~~ user.cpp:64:29: warning: unused variable ‘l’ [-Wunused-variable] if(z==1) sol++; int l=g[w].size(); ^