Compilare: main.cpp: In function 'int main()': main.cpp:37:4: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(int i=1; i<=n; i++) ^~~ main.cpp:43:5: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' return 0; ^~~~~~ main.cpp:16:18: warning: unused variable 'd' [-Wunused-variable] int n,m,s,x,y,d=0,nod,sz; ^