prop.cpp: In function `void rez()': prop.cpp:24: warning: comparison between signed and unsigned integer expressions prop.cpp:37: warning: comparison between signed and unsigned integer expressions prop.cpp:48: warning: comparison between signed and unsigned integer expressions prop.cpp:50: warning: comparison between signed and unsigned integer expressions prop.cpp:66: warning: comparison between signed and unsigned integer expressions prop.cpp: In function `int main()': prop.cpp:76: warning: unused variable `int i'