puncte.cpp: In function `int v1()': puncte.cpp:31: warning: comparison between signed and unsigned integer expressions puncte.cpp: In function `int v2()': puncte.cpp:58: warning: comparison between signed and unsigned integer expressions puncte.cpp: In function `int main()': puncte.cpp:83: call of overloaded `sqrt(int)' is ambiguous /usr/include/bits/mathinline.h:441: candidates are: double sqrt(double) /usr/include/c++/3.2.2/cmath:465: long double std::sqrt(long double) /usr/include/c++/3.2.2/cmath:461: float std::sqrt(float) puncte.cpp:89: warning: comparison between signed and unsigned integer expressions puncte.cpp:94: warning: comparison between signed and unsigned integer expressions