/in/foo.cc: In function 'int main()':
/in/foo.cc:6:11: warning: array subscript 10 is above array bounds of 'int [10]' [-Warray-bounds]
    6 |   a[10][10]={};
      |   ~~~~~~~~^
/in/foo.cc:29:3: warning: 'flag' may be used uninitialized in this function [-Wmaybe-uninitialized]
   29 |   if(flag) cout<<"Yes"<<endl;
      |   ^~
/in/foo.cc:4:27: warning: 'maxj' may be used uninitialized in this function [-Wmaybe-uninitialized]
    4 |  int a[10][10]={},r,c,max,maxj,flag;
      |                           ^~~~
/in/foo.cc:25:5: warning: 'max' may be used uninitialized in this function [-Wmaybe-uninitialized]
   25 |     if(a[k][maxj]<max) flag=0;
      |     ^~