Compilare: main.cpp: In function 'int main()': main.cpp:57:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < vertical.size(); i++) ~~^~~~~~~~~~~~~~~~~ main.cpp:59:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < orizontal.size(); j++) ~~^~~~~~~~~~~~~~~~~~ main.cpp:87:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < vertical.size() - 1; i++) ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp:89:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = i + 1; j < vertical.size(); j++) ~~^~~~~~~~~~~~~~~~~ main.cpp:94:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int k = 0; k < orizontal.size(); k++) ~~^~~~~~~~~~~~~~~~~~ main.cpp:114:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < orizontal.size() - 1; i++) ~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:116:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = i + 1; j < orizontal.size(); j++) ~~^~~~~~~~~~~~~~~~~~ main.cpp:121:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int k = 0; k < vertical.size(); k++) ~~^~~~~~~~~~~~~~~~~