tabel.cpp: In function 'int main()': tabel.cpp:72: warning: unused variable 'j' tabel.cpp: In function 'void ec(int, int, int (*)[100])': tabel.cpp:46: warning: 'x' may be used uninitialized in this function tabel.cpp: In function 'void el(int, int, int (*)[100])': tabel.cpp:55: warning: 'x' may be used uninitialized in this function