Compilare: main.cpp: In function 'int main()': main.cpp:17:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] 17 | for(int i=1; i<=n; i++) | ^~~ main.cpp:24:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for' 24 | st[v[1].x].insert(v[1].y); | ^~