本帖最后由 jiangguo2 于 2013-5-5 15:42 编辑
参赛ID：jiangguoer
参与类型：A
答案：
/*8.到第10天早上想再吃时，见只剩下一个桃子了。求第一天共摘了多少。  */
#include<stdio.h>
int main(void){
int day=10,peach=1;
for(;day>1;day--){
peach+=1;
peach*=2;
}
printf("the monkey got %d peaches in total.\n",peach);
return 0;
}
/*7*/
#include<stdio.h>
int main(void){
float in,out=0;
printf("How much did you get?\n");
scanf("%f",&in);
if(in<=100000)out=0.1*in;
else if(in<=200000){in-=100000;out=10000+0.075*in;}
else if(in<=400000){in-=200000;out=17500+0.05*in;}
else if(in<=600000){in-=400000;out=27500+0.03*in;}
else if(in<=1000000){in-=600000;out=33500+0.015*in;}
else{in-=1000000;out=39500+0.01*in;}
printf("You got %f.\n",out);
return 0;
}
/*4*/
#include<stdio.h>
int main(void){
int a,b,c,d,e;
a=10;
b=a+2;
c=b+2;
d=c+2;
e=d+2;
printf("%d",e);
return 0;
}
/*output:
18*/
/*3.题目：两个乒乓球队进行比赛，各出三人。甲队为a,b,c三人，乙队为x,y,z三人。已抽签决定比赛名单。
有人向队员打听比赛的名单。a说他不和x比，c说他不和x,z比，请编程序找出三队赛手的名单。*/
#include<stdio.h>
int main(void)
{
int a=1,b=2,c=3;
int x,y,z;
char aa=a,bb=b,cc=c;
int sum=6;
x=sum-a-c;
sum-=x;
z=sum-c;
sum-=z;
y=sum;
printf("x with ");P(x);
printf("y with ");P(y);
printf("z with ");P(z);
return 0;
}
int P(int m){
char a='a',b='b',c='c';
if(m==1)printf("%c\n",a);
else if(m==2)printf("%c\n",b);
else printf("%c\n",c);
return 0;
}
/*output:
x with b
y with c
z with a*/
/*2.*/
#include<stdio.h>
int main(void)
{
int time=2;
float sum=100,high=50;
for(;time<=10;time++){
sum+=2*high;
high=high/2;
}
printf("%f\n",sum);
return 0;
}
/*output:
299.609375*/
/*1.*/
#include<stdio.h>
int main(void)
{
int a=1,b=1;
int count=0;
for(;a<=1000;a++){
while(b<a){
if(a%b==0)count+=b;
b++;
}
if(a==count)printf("%d\n",a);
count=0;
b=1;
}
return 0;
}
/*output:
6
28
496*/