Compilare: main.cpp: In function 'int distReal(int)': main.cpp:57:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (pos < r2.size() && r2[pos].first <= nr) ~~~~^~~~~~~~~~~ main.cpp: In function 'int distUman(int)': main.cpp:64:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (pos < u2.size() && u2[pos].first <= nr) ~~~~^~~~~~~~~~~ main.cpp: In function 'void introduReal(int)': main.cpp:71:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < r2.size(); ++i) ~~^~~~~~~~~~~ main.cpp:76:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (r2.size() < m) ~~~~~~~~~~^~~ main.cpp: In function 'void introduUman(int)': main.cpp:83:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < u2.size(); ++i) ~~^~~~~~~~~~~ main.cpp:88:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (u2.size() < m) ~~~~~~~~~~^~~