C语言-if实现从大到小排序

2021 年 04 月 29 日

504 次浏览

500字数

<div class="panel panel-default collapse-panel box-shadow-wrap-lg"><div class="panel-heading panel-collapse" data-toggle="collapse" data-target="#collapse-a29c0006ce4992a75278ad743f67459533" aria-expanded="true"><div class="accordion-toggle"><span>方法一：</span>
<i class="pull-right fontello icon-fw fontello-angle-right"></i>
</div>
</div>
<div class="panel-body collapse-panel-body">
<div id="collapse-a29c0006ce4992a75278ad743f67459533" class="collapse collapse-content"><p></p>用递增关系进行排序，if比较两个数大小如果判断为ture，则两数对换赋值，从而实现从小到大排列！<p></p></div></div></div>

```c
#include <stdio.h>

int main () {
	int a , b , c , d ,m ;
  scanf("%d,%d,%d,%d",&a ,&b ,&c ,&d);
  if(a>b){
    m=a;
    a=b;
    b=m;
  }
  if(a>c){
    m=a;
    a=c;
    c=m;
  
  }
  if(a>d){
    m=a;
    a=d;
    d=m;
  }
  if(b>c){
    m=b;
    b=c;
    c=m;
  }
  if(b>d){
    m=b;
    b=d;
    d=m;
  }
  if(c>d){
    m=c;
    c=d;
    d=m;
  }
  printf("%d<%d<%d<%d",a,b,c,d);
}
```

<div class="panel panel-default collapse-panel box-shadow-wrap-lg"><div class="panel-heading panel-collapse" data-toggle="collapse" data-target="#collapse-9e1005da484d21415ba471cda4f2a36523" aria-expanded="true"><div class="accordion-toggle"><span>方法二</span>
<i class="pull-right fontello icon-fw fontello-angle-right"></i>
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<div id="collapse-9e1005da484d21415ba471cda4f2a36523" class="collapse collapse-content"><p></p>用关系表达式进行判断，逐一排查<p></p></div></div></div>

```cpp
#include<stdio.h>
int main(){
	  int  a , b , c , d ,m;
	  scanf("%d,%d,%d,%d",&a , &b , &c ,&d);
	  m=a>b?(a>c?(a>d?a:d):c):(b>c?(c>d?c:d):c); 
	  printf("%d",m);
}
```

方法三：待定

最后修改：2021 年 04 月 30 日