本帖最后由 苏小鬟 于 2013-5-31 13:06 编辑
//（5。30更新）我先把位置占上慢慢写，肯定会把题答全的，现在先把第一题贴上
//因为平时上课就是用英文写的备注，所以我投稿的时候还是基本都用英文写的，见谅……
参与人ID(UID)： 苏小鬟(311070)
参与类型： A 编程题目类
答案：
1. [mw_shl_code=c,true]#include <stdio.h>
#define MIN 1
#define MAX 1000
int main(void){
int i,j,sum;
printf("The perfect numbers between 1 and 1000 are: ");
for ( j = MIN; j< MAX; j++){
sum = 0;
for (i = MIN; i < j; i++){
if (j%i == 0){
sum += i;
if (sum == j){
printf("\t%d",j);
}
}
}
}
printf("\n");
return 0;
}[/mw_shl_code]
第二题：[mw_shl_code=c,true]#include <stdio.h>
int main(void){
double high = 100;//The atitude the ball is
double rebound = 0;//total rebound
int i;//counter
for (i = 0; i <=10; i++){
rebound += 1.5*high;
high *= 0.5;
}
printf("The total distance the ball went is %lf, it rebounds at 10 times %lf",rebound,high);
return 0;
}
~        [/mw_shl_code]
第六题   //不知道怎么优化空间，反正就按实现功能写了一下
[mw_shl_code=c,true]#include <stdio.h>
#define MAX 20
//prototypes
char*swap(char* str, int length);//a function that exchange the first elemrnt and the last
char* printout(char* str, int length);//printf the chars in array ^_^!
char*swap (char*str, int length){
char temp = 0;
char* first = str;
char* last = str+length-1;
while (last > first){
temp = *first;
*first = *last;
*last = temp;
first ++;
last --;
}
return str;
}
char* printout(char*str, int length){
int i = 0;//counter
for (i = 0; i<length; i++){
printf("%c",str);
}
printf("\n");
}
int main(void){
char array1[MAX] = {"moc.00ng"};
printf("The original string is: ");
printout(array1,8);
swap(array1,8);
printf("The string has been swaped is: ");
printout(array1,8);
return 0;
}[/mw_shl_code]
第七题
[mw_shl_code=c,true]#include <stdio.h>
int main() {
long int i;
int bonus1,bonus2,bonus4,bonus6,bonus10,bonus;
printf("Plz inter the interst of this month: ");
scanf("%ld",&i);
bonus1=100000*0.1;bonus2=bonus1+100000*0.75;
bonus4=bonus2+200000*0.5;
bonus6=bonus4+200000*0.3;
bonus10=bonus6+400000*0.15;
if(i<=100000)
bonus=i*0.1;
else if(i<=200000)
bonus=bonus1+(i-100000)*0.075;
else if(i<=400000)
bonus=bonus2+(i-200000)*0.05;
else if(i<=600000)
bonus=bonus4+(i-400000)*0.03;
else if(i<=1000000)
bonus=bonus6+(i-600000)*0.015;
else
bonus=bonus10+(i-1000000)*0.01;
printf("bonus=%d\n",bonus);
return 0;
}
[/mw_shl_code]