Compilare: main.cpp: In constructor 'Dreptunghi::Dreptunghi(int, int, int, int)': main.cpp:8:14: warning: 'Dreptunghi::i2' will be initialized after [-Wreorder] int i1, j1, i2, j2; ^~ main.cpp:8:10: warning: 'int Dreptunghi::j1' [-Wreorder] int i1, j1, i2, j2; ^~ main.cpp:18:2: warning: when initialized here [-Wreorder] Dreptunghi(int i1,int j1,int i2,int j2) : i1(i1), i2(i2), j1(j1), j2(j2) {} ^~~~~~~~~~ main.cpp: In function 'std::pair<std::vector<int>, std::vector<int> > preprocess(const std::vector<int>&)': main.cpp:30:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < vals.size(); ++i) ~~^~~~~~~~~~~~~ main.cpp: In function 'void rez(std::vector<std::vector<int> >&)': main.cpp:88:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < matrix.size(); ++i) ~~^~~~~~~~~~~~~~~ main.cpp:92:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < matrix[0].size(); ++j) ~~^~~~~~~~~~~~~~~~~~