Compilare: main.cpp: In function 'int main()': main.cpp:70:30: warning: unused variable 'a' [-Wunused-variable] 70 | long long int c = sum-s, a = A[n+1][n-1], b = A[n+1][n], x, y; | ^ main.cpp:70:47: warning: unused variable 'b' [-Wunused-variable] 70 | long long int c = sum-s, a = A[n+1][n-1], b = A[n+1][n], x, y; | ^ main.cpp:71:19: warning: unused variable 'd' [-Wunused-variable] 71 | long long int d = euclid(A[n+1][n-1]-1, A[n+1][n]-1,x,y); | ^