Compilare: user.cpp: In function ‘int main()’: user.cpp:9:14: warning: unused variable ‘s2’ [-Wunused-variable] int s1=0,s2=0,s3=0,s4=0,n,m,x,y,min1=10000,min2=111110,min3=1111110,min4=1111110,i,j,kk,maxt; ^ user.cpp:9:19: warning: unused variable ‘s3’ [-Wunused-variable] int s1=0,s2=0,s3=0,s4=0,n,m,x,y,min1=10000,min2=111110,min3=1111110,min4=1111110,i,j,kk,maxt; ^ user.cpp:9:24: warning: unused variable ‘s4’ [-Wunused-variable] int s1=0,s2=0,s3=0,s4=0,n,m,x,y,min1=10000,min2=111110,min3=1111110,min4=1111110,i,j,kk,maxt; ^ user.cpp:38:17: warning: array subscript is above array bounds [-Warray-bounds] s[4]+=v[i][j]; ^ user.cpp:38:17: warning: array subscript is above array bounds [-Warray-bounds] user.cpp:40:7: warning: array subscript is above array bounds [-Warray-bounds] }t[4]=(n-x+1)*(m-y+1); ^ user.cpp:41:46: warning: array subscript is above array bounds [-Warray-bounds] if((n-x+1)%2==0&&(m-y+1)%2==0){s[4]-=min4;t[4]--;} ^ user.cpp:41:46: warning: array subscript is above array bounds [-Warray-bounds] user.cpp:41:50: warning: array subscript is above array bounds [-Warray-bounds] if((n-x+1)%2==0&&(m-y+1)%2==0){s[4]-=min4;t[4]--;} ^ user.cpp:48:11: warning: ‘kk’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<kk<<" "<<s[kk]<<" "<<t[kk]<<'\n'; ^