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发表于 2020-1-12 23:56:23
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本帖最后由 BIYU 于 2020-1-13 00:21 编辑
0:10次
1:0次
2:a,b,c
3:a=14,b=5,c=9
4:
5:
A
- if(size > 12)
- {
- cost *=1.05;
- flag = 2;
- }
- bill = cost * flag;
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B
- if(ibex>14)
- {
- sheds=3;
- }else{
- sheds = 2;
- }
- help = 2*sheds;
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C
- do{
- scanf("%d",&score);
- if(score<0)
- {
- break;
- }
- count++;
- }while(1);
- printf("count = %d\n",count);
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6:
- #include<stdio.h>
- int main()
- {
- double fish=10000,back_e=10000,fish_e=10000;
- int year=0;
- do{
- fish_e += fish*0.1;
- back_e += back_e * 0.05;
- year++;
- }while(fish_e>=back_e);
- printf("%d年后黑夜投资额超过小甲鱼\n",year);
- printf("此时小甲鱼的投资额为:%.2lf\n",fish_e);
- printf("此时黑夜的投资额为:%.2lf\n",back_e);
- }
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7:
- #include<stdio.h>
- int main()
- {
- double money=4000000,ti_money=500000;
- int year=0;
- do{
- money -= ti_money;
- money += money*0.08;
- year++;
- }while(money>0);
- printf("%d年后,小甲鱼败光了所有家产,再次回到了一贫如洗.....\n",year);
- }
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8:
- #include<stdio.h>
- #include<math.h>
- int main()
- {
- int i=1;
- double num=1.0,pi=0.0;//注意,如果这里直接从1开始会出现误差
- while(fabs(i/num)>=1e-8)
- {
- pi += i/num;
- i = -i;
- num+=2;
- }
- printf("%.7lf\n",4*pi);
- }
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9:
- #include<stdio.h>
- int main()
- {
- long long f1=1,f2=1;
- int num,i;
- printf("请输入次数:");
- scanf("%d",&num);
- for(i=2;i<=num/2;i++)
- {
- f1 = f1 + f2;
- f2 = f2 + f1;
- }
- if(num%2)
- {
- printf("第%d次是%lld\n",num,f1+f2);
- }else{
- printf("第%d次是%lld\n",num,f2);
- }
- }
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