Compilare: main.cpp: In function 'int main()': main.cpp:23:48: warning: unused variable 'i' [-Wunused-variable] int n, rand, coloana, prev, verif, count = 0, i, j; ^ main.cpp:23:51: warning: unused variable 'j' [-Wunused-variable] int n, rand, coloana, prev, verif, count = 0, i, j; ^ main.cpp:37:3: warning: 'verif' may be used uninitialized in this function [-Wmaybe-uninitialized] if (verif == 0) { ^~