Compiler output
prog.cpp: In function 'int main()':
prog.cpp:59:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int j = 0; j < incr[it->first].size(); j++) {
^
prog.cpp:69:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int q = ct; q < incr[it->first].size(); q++) {
^
prog.cpp:70:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if (incr1[incr[it->first][q]].size() < coll) {
^