174.c

C++游戏开发书籍的实例非常适合初学但又又想往游戏开发方面发展的人学习哦

#include <stdio.h>
int cnt,sum;
void countvalue()
{
	int i;
	for(i=666;i<=999;i=i+2)
		if((i/10%10==(3*i/2)/100%10)&&((3*i/2)/1000==(3*i/2)%100/10)) /*以I为准*/
		{
			cnt++;
			sum+=i+3*i/2;
		}
}
void PressKeyToQuit()
{
	printf("\n Press any key to quit...");
	getch();
	return;
}
void main()
{
	cnt=sum=0;
	clrscr();
	puts(" This program is to find the numbers of SIX and NINE,");
	puts(" which satisfy the formula SIX+SIX+SIX=NINE+NINE,");
	puts(" where S,I,X,N,E stand for digits between 0 and 9. ");
	countvalue();
	printf(" >> The Number of satisfied is %d.\n",cnt);
	printf(" >> The Sum of all SIX and NINE is %d.\n",sum);
	writeDat();
	PressKeyToQuit();
}
writeDat()
{
	FILE *fp;
	fp=fopen("OUT174.DAT","w");
	fprintf(fp,"%d\n%d\n",cnt,sum);
	fclose(fp);
}