Compilare: main.cpp: In function 'bool cuplaj(long unsigned int)': main.cpp:47:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i <= poz; ++i) ~~^~~~~~ main.cpp:53:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1; i <= n; ++i) ~~^~~~ main.cpp:62:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1; i <= n; ++i) ~~^~~~ main.cpp: In function 'void belmanFord()': main.cpp:69:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i <= D; ++i) ~~^~~~ main.cpp: In function 'int main()': main.cpp:163:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < n; ++i) ~~^~~ main.cpp:168:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < n; ++i) ~~^~~ main.cpp:174:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < n; ++i) ~~^~~ main.cpp:175:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = 0; j < n; ++j) ~~^~~ main.cpp:207:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i <= m; ++i) ~~^~~~