/in/foo.cc: In function 'int main()':
/in/foo.cc:22:17: warning: array subscript is above array bounds [-Warray-bounds]
           a[k][2]=1;
           ~~~~~~^
/in/foo.cc:31:20: warning: array subscript is above array bounds [-Warray-bounds]
              a[i][2]++;
              ~~~~~~^
/in/foo.cc:31:20: warning: array subscript is above array bounds [-Warray-bounds]
/in/foo.cc:39:12: warning: array subscript is above array bounds [-Warray-bounds]
      a[k][2]++;
      ~~~~~~^
/in/foo.cc:39:12: warning: array subscript is above array bounds [-Warray-bounds]
/in/foo.cc:51:22: warning: array subscript is above array bounds [-Warray-bounds]
          temp2=a[i][2];
                ~~~~~~^
/in/foo.cc:52:24: warning: array subscript is above array bounds [-Warray-bounds]
          a[i][2]=a[j][2];
                  ~~~~~~^
/in/foo.cc:52:16: warning: array subscript is above array bounds [-Warray-bounds]
          a[i][2]=a[j][2];
          ~~~~~~^
/in/foo.cc:53:16: warning: array subscript is above array bounds [-Warray-bounds]
          a[j][2]=temp2;
          ~~~~~~^
/in/foo.cc:57:30: warning: array subscript is above array bounds [-Warray-bounds]
    cout<<a[i][1]<<" "<<a[i][2]<<endl;
                              ^