對應36-40
相對簡單,但是寫的很急,以後要多複習。36,39,40;是看了答案的,但是39,40;已經能搞定基本骨架了,以後多寫應該問題不大了。不過還是要找題目練啊,也不知道現在的戰略對不對,不過已經無法回頭了,回頭再看c吧,唉現在感覺要學的太多,以後有空要好好想想做適當的精簡,好好規劃未來吧,蔣紅陽的話很有道理,以後我們都要就業,而且我還有一個很不可能的任務,好吧我會努力的,親愛的!
1.
#include<iostream.h>
void convert(long s,long *str)
{
long s1=10;
*str=s%10;
while(s>0)
{
s=s/100;
*str+=s%10*s1;
s1*=10;
}
}
void main()
{
long s,res;
cout<<"Please enter s:"<<endl;
cin>>s;
convert(s,&res);
cout<<"The result is:"<<res<<endl;
return;
}
2.
#include<iostream.h>
int func(int year,int month,int day)
{
int days=0;
days+=day;
if(((year%100!=0&&year%4==0)||year%400==0)&&month>=3)
days+=1;
while(month-->0)
{
switch(month)
{
case 1:days+=31;break;
case 2:days+=28;break;
case 3:days+=31;break;
case 4:days+=30;break;
case 5:days+=31;break;
case 6:days+=30;break;
case 7:days+=31;break;
case 8:days+=31;break;
case 9:days+=30;break;
case 10:days+=31;break;
case 11:days+=30;break;
case 12:days+=31;break;
}
}
return days;
}
void main()
{
cout<<func(2007,2,1)<<endl;
cout<<func(2007,10,10)<<endl;
cout<<func(2008,8,12)<<endl;
return;
}
3.
#include<iostream.h>
void show()
{
for(int i=9;i>0;i--)
{
for(int j=1;j<=i;j++ )
{
cout<<j<<"*"<<i<<"="<<i*j<<' ';
}
cout<<endl;
}
}
void main()
{
cout<<"9*9倒乘法口訣"<<endl;
cout<<"---------------------------------"<<endl;
show();
cout<<"---------------------------------"<<endl;
return;
}
4.
#include <iostream.h>
#define MAXLEN 1024
void convert(char* des,char* str)
{
int test,j,i;
des[0]=0;
for(i=0;str[i]!=0;i++)
{
for(j=0;des[j]!=0;j++)
{
if(str[i]==des[j])
{
test=0;
break;//array already contain the element,break in time;
}
else
test=1;
}
if(test)
{
des[j]=str[i];
des[j+1]=0;
}
}
}
void main()
{
char sour[MAXLEN];
char dest[MAXLEN];
cout<<"Please input a string:"<<endl;
cin.getline(sour,MAXLEN);
convert(dest,sour);
cout<<dest<<endl;
return;//misad
}
5.
#include <iostream.h>
#define MAXNLEN 100
void factor(int *des,int& length,int n)
{
length=0;
for(int i=1;i<=n;i++)
{
if(n%i==0)
{
des[length]=i;
length++;
}
}
}
void main()
{
int a[MAXNLEN],length;
int n=20;
factor(a,length,n);
for(int i=0;i<length;i++)
{
cout<<a[i]<<" ";
}
cout<<endl;
return;
}