#include?“graphics.h“
#include?“conio.h“
#include?“stdio.h“

int?income49products49income56products56income78products78;
int?n=3;//years

void?input（）
{
???printf（“Please?input?nation?income?and?social?products?in?1949:?“）;
???scanf（“%d?%d“&income49&products49）;
???printf（“Please?input?nation?income?and?social?products?in?1956:?“）;
???scanf（“%d?%d“&income56&products56）;
???printf（“Please?input?nation?income?and?social?products?in?1978:?“）;
???scanf（“%d?%d“&income78&products78）;
}


void?draw（）
{??
	rectangle（8080500400）;
????rectangle（9090125115）;
????rectangle（90130125155）;
????setfillstyle（1YELLOW）;
????bar（9090125115）;
????setfillstyle（1RED）;
????bar（90130125155）;
????outtextxy（130100“nation“）;
????outtextxy（180100“income“）;
????outtextxy（130140“social“）;
????outtextxy（180140“products“）;
????int?temp[6]={income49products49income56products56income78products78};
	int?j=0;
	for（int?m=0;m<2*n;m++）