Compilare: main.cpp: In function 'int main()': main.cpp:107:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 1; j < elevi[i].size(); j++) ~~^~~~~~~~~~~~~~~~~ main.cpp:115:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < elevi[0].size(); i++) ~~^~~~~~~~~~~~~~~~~ main.cpp:122:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (minim1 >= elevi[1].size() || minim2 >= elevi[2].size()) continue; ~~~~~~~^~~~~~~~~~~~~~~~~~ main.cpp:122:49: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (minim1 >= elevi[1].size() || minim2 >= elevi[2].size()) continue; ~~~~~~~^~~~~~~~~~~~~~~~~~ main.cpp:128:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (ramas < 0 || ramas > elevi[1].size() - 1 + elevi[2].size() - 1 + elevi[3].size() - 1 - minim1 - minim2) continue; ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:139:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (index1 < elevi[1].size() && elevi[1][index1] < minim) ~~~~~~~^~~~~~~~~~~~~~~~~ main.cpp:144:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (index2 < elevi[2].size() && elevi[2][index2] < minim) ~~~~~~~^~~~~~~~~~~~~~~~~ main.cpp:149:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (index3 < elevi[3].size() && elevi[3][index3] < minim) ~~~~~~~^~~~~~~~~~~~~~~~~