Compilare: main.cpp: In function 'int main()': main.cpp:62:10: warning: suggest parentheses around comparison in operand of '!=' [-Wparentheses] if(a[j]<na!=a[j+1]<na) ~~~~^~~ main.cpp:72:27: warning: 'y' may be used uninitialized in this function [-Wmaybe-uninitialized] out<<pr+1<<" "<<x<<" "<<y; ^ main.cpp:72:21: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] out<<pr+1<<" "<<x<<" "<<y; ^~~