balls.cpp: In function `int verific(int)': balls.cpp:48: warning: comparison between signed and unsigned integer expressions balls.cpp: In function `int main()': balls.cpp:61: warning: char format, different type arg (arg 2) balls.cpp:62: warning: char format, different type arg (arg 2) balls.cpp:98: warning: comparison between signed and unsigned integer expressions balls.cpp:111: warning: long int format, int arg (arg 2) balls.cpp:115: warning: comparison between signed and unsigned integer expressions balls.cpp:120: warning: comparison between signed and unsigned integer expressions balls.cpp:129: warning: comparison between signed and unsigned integer expressions