0.10
1.0
2.a,b,c
3.a=14,b=5,c=9
4.z=x<0?-x:x;
5.A.if (size > 12)
{
cost = cost * 1.05;
flag = 2;
}
bill = cost * flag;
B.if (ibex > 14)
{
sheds = 3;
}
else
{
sheds = 2;
}
help = 2 * sheds;
C.while(1)
{
scanf("%d", &score);
if (score < 0)
{
break;
}
count++;
}
printf("count = %d\n", count);
0.#include <stdio.h>
void main()
{
double fish=10000,fish1=0,darknight=10000;
int year=0;
while(1)
{
if(darknight>fish+fish1)
{
break;
}
fish1+=fish*.1;
darknight+=darknight*.05;
year++;
}
fish+=fish1;
printf("%d年后,黑夜的投资额超过小甲鱼!\n",year);
printf("小甲鱼的投资额是:%.2lf\n",fish);
printf("黑夜的投资额是:%.2lf\n",darknight);
return;
}
1.#include<stdio.h>
void main()
{
float money;
int year=0;
for(money=4000000;money>0;year++)
{
money-=500000;
money+=money*.08;
}
printf("%d年后,小甲鱼败光了所有的家产,再次回到一贫如洗……\n",year);
}
2.#include<stdio.h>
#include<math.h>
void main()
{
double pi=0,current,stop;
int n;
stop=pow(10,-8);
for(n=0;;n++)
{
current=1/(double)(n*2+1);
if(current<stop)
{
break;
}
if(n%2)
{
current=-current;
}
pi+=current;
}
printf("%.7lf\n",pi*4);
}
3.#include<stdio.h>
void main()
{
int time;
long long int adult,teen=0,child=0;
long long int adult1,teen1,child1;
adult=2;
for(time=0;time<24;time++)
{
child1=child+adult;
teen1=child;
adult1=teen;
child=child1;
teen=teen1;
adult=adult1;
}
printf("total:%ld\n",adult+teen+child);
return;
}
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