Compilare: main.cpp: In function 'int main()': main.cpp:18:18: warning: unused variable 'j' [-Wunused-variable] int t, x, y, j, k, cnt,i, maxim, c, d, cat; ^ main.cpp:18:21: warning: unused variable 'k' [-Wunused-variable] int t, x, y, j, k, cnt,i, maxim, c, d, cat; ^ main.cpp:18:31: warning: unused variable 'maxim' [-Wunused-variable] int t, x, y, j, k, cnt,i, maxim, c, d, cat; ^~~~~ main.cpp:43:13: warning: 'cnt' may be used uninitialized in this function [-Wmaybe-uninitialized] out<<cnt; ^