/in/foo.cc: In function 'int main()':
/in/foo.cc:11:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i = 0; i < s.size(); i++)
~~^~~~~~~~~~
/in/foo.cc:17:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i = 0; i < zero_index.size(); i++)
~~^~~~~~~~~~~~~~~~~~~
/in/foo.cc:22:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i = 0; i < one_index.size(); ++i)
~~^~~~~~~~~~~~~~~~~~
/in/foo.cc:28:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i = 0; i < zero_index.size(); ++i)
~~^~~~~~~~~~~~~~~~~~~
/in/foo.cc:30:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i = 0; i < one_index.size(); ++i)
~~^~~~~~~~~~~~~~~~~~