Compilare: main.cpp: In function 'int main()': main.cpp:33:33: warning: unused variable 'minn1' [-Wunused-variable] int n, i, x, y, d, nr=0, j, minn1, minn2, q, At=0, a, num; ^~~~~ main.cpp:33:40: warning: unused variable 'minn2' [-Wunused-variable] int n, i, x, y, d, nr=0, j, minn1, minn2, q, At=0, a, num; ^~~~~ main.cpp:33:47: warning: unused variable 'q' [-Wunused-variable] int n, i, x, y, d, nr=0, j, minn1, minn2, q, At=0, a, num; ^