[i=s] 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*/