Compilare: main.cpp: In function 'int main()': main.cpp:51:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for (int i = 2; i <= N; i++) ^~~ main.cpp:54:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' return 0; ^~~~~~ main.cpp:38:21: warning: 'poz' may be used uninitialized in this function [-Wmaybe-uninitialized] picked[poz] = 1; ~~~~~~~~~~~~^~~