pluton.cpp: In function `void ordonare()': pluton.cpp:19: warning: comparison between signed and unsigned integer expressions pluton.cpp:20: warning: comparison between signed and unsigned integer expressions pluton.cpp: In function `void plasare(long int)': pluton.cpp:35: warning: comparison between signed and unsigned integer expressions pluton.cpp:41: warning: comparison between signed and unsigned integer expressions pluton.cpp:53: warning: comparison between signed and unsigned integer expressions pluton.cpp:59: warning: comparison between signed and unsigned integer expressions pluton.cpp: In function `int main()': pluton.cpp:74: warning: comparison between signed and unsigned integer expressions pluton.cpp:91: warning: comparison between signed and unsigned integer expressions