Compilare: user.cpp: In function ‘int main()’: user.cpp:30:50: warning: unused variable ‘ans1’ [-Wunused-variable] int n,m,k,x,y,xf,yf,dmin,i,dist1,dist2,ans=0,ans1,ans2, k1,k2,j, d1, nr1, d2, nr2; ^ user.cpp:30:55: warning: unused variable ‘ans2’ [-Wunused-variable] int n,m,k,x,y,xf,yf,dmin,i,dist1,dist2,ans=0,ans1,ans2, k1,k2,j, d1, nr1, d2, nr2; ^ user.cpp:81:25: warning: ‘nr2’ may be used uninitialized in this function [-Wmaybe-uninitialized] ans = ((nr1 * nr2) % MOD+dp [abs (x - xf) + 1][abs (y - yf) + 1]) % MOD; ^ user.cpp:81:25: warning: ‘nr1’ may be used uninitialized in this function [-Wmaybe-uninitialized]