/in/foo.cc: In function 'int main()':
/in/foo.cc:30:13: warning: array subscript is above array bounds [-Warray-bounds]
   a[100][100]={0};
             ^
/in/foo.cc:30:8: warning: array subscript is above array bounds [-Warray-bounds]
   a[100][100]={0};
        ^