Compilare: main.cpp: In function 'void precomputeConv()': main.cpp:38:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0;i < v.size();i++){ ~~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:69:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0;i < conv.size();i++){ ~~^~~~~~~~~~~~~ main.cpp:75:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(minl == conv.size() - 1 || conv[minl].mult * c + conv[minl].add <= conv[minl+1].mult * c + conv[minl+1].add){ ~~~~~^~~~~~~~~~~~~~~~~~ main.cpp:78:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(minl != conv.size() - 1 && conv[minl].mult * c + conv[minl].add > conv[minl+1].mult * c + conv[minl+1].add){ ~~~~~^~~~~~~~~~~~~~~~~~