/in/foo.cc: In function 'int main()':
/in/foo.cc:32:27: warning: array subscript is above array bounds [-Warray-bounds]
    cunchu11[cunchu11len][2]=l11;
    ~~~~~~~~~~~~~~~~~~~~~~~^
/in/foo.cc:40:27: warning: array subscript is above array bounds [-Warray-bounds]
    cunchu21[cunchu21len][2]=l21;
    ~~~~~~~~~~~~~~~~~~~~~~~^
/in/foo.cc:50:24: warning: array subscript is above array bounds [-Warray-bounds]
   cout << cunchu11[i][2] << endl;
                        ^
/in/foo.cc:58:24: warning: array subscript is above array bounds [-Warray-bounds]
   cout << cunchu21[i][2] << endl;
                        ^