循环复制循环

发布于 2025-01-25 16:56:37 字数 342 浏览 3 评论 0原文

嗨，我试图执行磁盘调度算法（C-SCAN）。我有一个有效的if语句循环，但是我试图将其更改为ther loop或其他选项以删除断路语句。

  for(i=0;i<n;i++)
    {
        if(initial<RQ[i])
        {
            index=i;
            break;
        }
    }

while ( initial>RQ[i] ) 
{ 
    index =i;

    i++;     
}

以上循环是我试图复制的内容，如我的时循环中所示。但是，它的工作方式并不相同。任何帮助将不胜感激

原文

Hi im trying to do a disk scheduling algorithm (C-SCAN).I have a for loop with an if statement that works, however im trying to change it to a while loop or another option to remove the break statement.

  for(i=0;i<n;i++)
    {
        if(initial<RQ[i])
        {
            index=i;
            break;
        }
    }

while ( initial>RQ[i] ) 
{ 
    index =i;

    i++;     
}

The above for loop is what im trying to replicate as seen in my while loop. however it is not working the same way.
any help will be much appreciated

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海之角 2025-02-01 16:56:38

表格循环的

for (initialization; condition; repetition) {
    // body code
}

等同于：

initialization;
while (condition) {
    // body code
    repetition;
}

因此，您的循环将被重写为：

i = 0;
while (i < n) {
    if (initial < RQ[i]) {
        index = i;
        break;
    }
    i++;
}

A for loop of the form

for (initialization; condition; repetition) {
    // body code
}

is equivalent to:

initialization;
while (condition) {
    // body code
    repetition;
}

So your loop would be rewritten as:

i = 0;
while (i < n) {
    if (initial < RQ[i]) {
        index = i;
        break;
    }
    i++;
}

回复收藏 0 原文

梦里的微风 2025-02-01 16:56:38

删除break语句的一种可能性是引入一个附加的标志变量，该变量应在应终止循环时设置。

#include <stdbool.h>

[...]

bool terminate = false;

for( i=0; i<n && !terminate ; i++ )
{
    if(initial<RQ[i])
    {
        index=i;
        terminate = true;
    }
}

但是，我个人认为使用break语句更好。

One possibility of removing the break statement would be to introduce an additional flag variable which gets set when the loop should be terminated.

#include <stdbool.h>

[...]

bool terminate = false;

for( i=0; i<n && !terminate ; i++ )
{
    if(initial<RQ[i])
    {
        index=i;
        terminate = true;
    }
}

However, I personally consider it better to use a break statement.

回复收藏 0 原文

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