Compilare: main.cpp: In function 'int main()': main.cpp:66:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < cc[i].size(); ++j) ~~^~~~~~~~~~~~~~ main.cpp:77:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < cc[i].size(); j += 2) ~~^~~~~~~~~~~~~~ main.cpp:81:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 1; j < cc[i].size(); j += 2) ~~^~~~~~~~~~~~~~ main.cpp:85:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = position; j < cc[i].size(); j += 2) ~~^~~~~~~~~~~~~~ main.cpp:94:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < cc[i].size(); j += 2) ~~^~~~~~~~~~~~~~ main.cpp:98:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int start = 2; start < cc[i].size(); start += 2) ~~~~~~^~~~~~~~~~~~~~ main.cpp:102:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(lst >= cc[i].size()) ~~~~^~~~~~~~~~~~~~~ main.cpp:110:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 1; j < cc[i].size(); j += 2) ~~^~~~~~~~~~~~~~ main.cpp:115:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int start = 3; start < cc[i].size(); start += 2) ~~~~~~^~~~~~~~~~~~~~ main.cpp:119:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(lst >= cc[i].size()) ~~~~^~~~~~~~~~~~~~~ main.cpp:125:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 1; j <= cc[i].size() / 2 + 1; ++j) ~~^~~~~~~~~~~~~~~~~~~~~~~ main.cpp:129:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(position >= cc[i].size()) ~~~~~~~~~^~~~~~~~~~~~~~~ main.cpp:161:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < cc[i].size(); ++j) ~~^~~~~~~~~~~~~~