Compilare: main.cpp: In function 'int pb1()': main.cpp:40:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'int main()': main.cpp:46:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(int i=1; i<=n; i++) ^~~ main.cpp:48:8: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' if (v==1) ^~