expresie1.cpp: In function 'int tabel1()': expresie1.cpp:21: warning: comparison between signed and unsigned integer expressions expresie1.cpp: In function 'int tabel2()': expresie1.cpp:54: warning: comparison between signed and unsigned integer expressions expresie1.cpp:50: warning: unused variable 'ii' expresie1.cpp:50: warning: unused variable 'jj' expresie1.cpp: In function 'int main()': expresie1.cpp:90: warning: comparison between signed and unsigned integer expressions