Compilare: user.cpp: In function ‘long long unsigned int puteri5(long long unsigned int)’: user.cpp:52:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i = 2, p = 25; p <= n; i++, p*=5) ~~^~~~ user.cpp: In function ‘int main()’: user.cpp:68:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (st == dr || m_val == P) { ~~~~~~^~~~ user.cpp:72:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if (m_val > P) { ~~~~~~^~~ user.cpp:75:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if (m_val < P) { ~~~~~~^~~