matrice4.cpp: In function `int main()': matrice4.cpp:12: warning: `int poz' might be used uninitialized in this function matrice4.cpp: In function `int Prim(int)': matrice4.cpp:48: warning: initialization to `int' from `double' matrice4.cpp:48: warning: argument to `int' from `double' matrice4.cpp:68:2: warning: no newline at end of file