Compilare: main.cpp: In function 'int isprim(int)': main.cpp:8:16: warning: suggest parentheses around '&&' within '||' [-Wparentheses] if (x<2 || x>2 && x%2==0) ~~~~^~~~~~~~~ main.cpp: In function 'int nrdiv(int)': main.cpp:18:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if(y%d==0 && isprim(d)==1) ^~ main.cpp:20:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' return nr; ^~~~~~