dp.cpp: In function `int ver(char*)': dp.cpp:20: warning: comparison between signed and unsigned integer expressions dp.cpp: In function `void gen(int)': dp.cpp:28: warning: comparison between signed and unsigned integer expressions dp.cpp:30: warning: comparison between signed and unsigned integer expressions dp.cpp: In function `int main()': dp.cpp:59: warning: char format, different type arg (arg 3) dp.cpp:60: warning: comparison between signed and unsigned integer expressions