Exemple #1
0
main()
{
	clrscr();
	puts(" This program is to find the real root of");
	puts("          function cos(x)-x=0.");
	printf(" >> The real root is %f.\n",countvalue());
	printf(" >> The result of cos(%f)-%f is %f.\n",countvalue(),countvalue(),cos(countvalue())-countvalue());
	writeDat();
	PressKeyToQuit();
}
Exemple #2
0
writeDat()
{
	FILE *wf;
	wf=fopen("OUT179.DAT","w");
	fprintf(wf,"%f\n",countvalue());
	fclose(wf);
}
Exemple #3
0
writeDAT()
{ 
	int aa[1000],n,k;
	FILE *fp;
	fp=fopen("out185.dat","w");
	countvalue(aa,&n);
	for(k=0;k<n;k++)
		if((k+1)%10==0) 
			fprintf(fp,"\n");
		else
			fprintf(fp,"%5d",aa[k]);
	fprintf(fp,"\n");
	fclose(fp);
}
Exemple #4
0
main()
{ 
	int aa[1000],n,k;
	clrscr();
	puts(" This program is to find numbers\n which can be divided exactly by 7 or 11,\n but can not be divided exactly both by 7 and 11.");
	puts(" These numbers less than 1000 are:");
	countvalue(aa,&n);
	for(k=0;k<n;k++)
		if((k+1)%10==0) 
			printf("\n");
		else 
			printf("%5d",aa[k]);
	writeDAT();
	PressKeyToQuit();
}