unupatru.cpp: In function 'void sum_patrat_cifre(int*, int)': unupatru.cpp:31: warning: unused variable 'j' unupatru.cpp: At global scope: unupatru.cpp:56: warning: ISO C++ forbids declaration of 'main' with no type unupatru.cpp: In function 'int main()': unupatru.cpp:64: warning: comparison between signed and unsigned integer expressions unupatru.cpp:67: warning: comparison between signed and unsigned integer expressions unupatru.cpp:58: warning: unused variable 'x' unupatru.cpp:58: warning: unused variable 'nr'