Hello World MainActivity.javapackage com.incheon.our.ch03a;import android.os.Bundle;import android.support.v7.app.AppCompatActivity;import android.widget.TextView;public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); TextView tv = (TextView)findViewById(R.id.textView); t.. 프로그래밍 2017.11.09
비트연산자 이용한 swap /*using bit swap^=xor00 = 001 = 110 = 111 = 0!(x^y);x==y;*/void inplace_swap(int *x, int *y){//x=x, y=x^y*y = *x ^ *y;//x=x^x^y, y=x^y*x = *x ^ *y;//x=x, y=x^y^y*y = *x ^ *y;} 프로그래밍 2017.11.09
