ex2_1.cpp

纯粹是学习专用～

# include <iostream.h>
void main(){
	int int_array[4];
	int_array[0]=1;
	int_array[1]=1; 
	int_array[2]=2;
	int_array[3]=int_array[1]+int_array[2];
	cout<<int_array[3]<<'\n';
}