Compilare: main.cpp: In function 'int main()': main.cpp:10:15: warning: unused variable 'j' [-Wunused-variable] int n, i, j, ci, start, end, maxx=-1; ^ main.cpp:28:37: warning: 'end' may be used uninitialized in this function [-Wmaybe-uninitialized] cout<<maxx<<' '<<start<<' '<<end; ^ main.cpp:28:29: warning: 'start' may be used uninitialized in this function [-Wmaybe-uninitialized] cout<<maxx<<' '<<start<<' '<<end; ^~~