Wrong Answer
/in/foo.cc: In function 'void KFC()':
/in/foo.cc:23:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int k = 0; k < g[i].size(); k++) {
~~^~~~~~~~~~~~~
/in/foo.cc: In function 'void KFC()':
/in/foo.cc:23:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int k = 0; k < g[i].size(); k++) {
~~^~~~~~~~~~~~~
