Compilare: main.cpp: In function 'void Precalculare()': main.cpp:67:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < V.size(); ++i) ~~^~~~~~~~~~ main.cpp:68:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < O.size(); ++j) ~~^~~~~~~~~~ main.cpp: In function 'void Solve_1()': main.cpp:76:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < V.size(); ++i) ~~^~~~~~~~~~ main.cpp:77:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = i+1; j < V.size(); ++j) ~~^~~~~~~~~~ main.cpp:81:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int k = 0; k < O.size(); ++k) ~~^~~~~~~~~~ main.cpp: In function 'void Solve_2()': main.cpp:107:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < O.size(); ++i) ~~^~~~~~~~~~ main.cpp:108:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = i+1; j < O.size(); ++j) ~~^~~~~~~~~~ main.cpp:112:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int k = 0; k < V.size(); ++k) ~~^~~~~~~~~~