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求代码哪里出错

Wuhaoran2002 发布于 2020-12-23 12:55, 1846 次点击
1. 用指针法在一维有序数组中插入数据,要求在其中插入任意一个整数后数列依然有序。(编译通过但结果不行)
#include<stdio.h>
int main()
{
    int a[6]={1,3,5,7,9};
    int i,b,*p,*q;
    scanf("%d",&b);
        for(p=a,i=0;i<=5;i++)
        if(b<=*(p+i))
        {
        p=p+i;
        for(q=a+4;q>=p;q--)
        {
        *(q+1)=*q;
        *p=b;}
        }
    for(p=a,i=0;i<6;i++)
    printf("%d",*(p+i));
    return 0;
}
5 回复
#2
rjsp2020-12-23 14:56
根据你代码意图
程序代码:
#include <stdio.h>

int main( void )
{
    int a[6] = { 1,3,5,7,9 };
    int b;
    scanf( "%d", &b );

    int* p;
    for( p=a; p!=a+5 && b>=*p; ++p );

    for( int* q=a+5; q!=p; --q )
        *q = q[-1];

    *p = b;

    for( size_t i=0; i!=6; ++i )
        printf( "%d ", a[i] );
}
#3
apull2020-12-23 15:03
程序代码:

#include<stdio.h>
#include <stdlib.h>

int main()
{
    int a[6]={1,3,5,7,9};
   
    int i,b,*p;

    for(i=0;i<5;i++)
        printf("%d ",a[i]);
    printf("\n");

    int t,bb=0;

    scanf("%d",&b);
    for(p=a,i=0;i<6;i++)
    {
        if(*p>b && bb==0)
        {
            t=*p;
            *p=b;
            bb=1;
        }
        else if(bb==1)
        {
            b=*p;
            *p=t;
            t=b;
        }
        else if(i == 5 && bb==0) //如果是最大,直接保存到末尾
            *p=b;
        p++;

    }


    for(p=a,i=0;i<6;i++)
        printf("%d ",*(p+i));
    printf("\n");

    system("pause");
    return 0;
}
#4
rjsp2020-12-23 15:03
不按你原来的思路
程序代码:
#include <stdio.h>
#include <limits.h>

int main( void )
{
    int a[6] = { 1,3,5,7,9, INT_MAX };
    int b;
    scanf( "%d", &b );

    for( const int* p=a; p!=a+6; ++p )
    {
        printf( "%d ", b<*p?b:*p );
        b = b>*p?b:*p;
    }
}
#5
Wuhaoran20022020-12-23 17:22
回复 2楼 rjsp
谢谢大佬
#6
Wuhaoran20022020-12-23 17:30
回复 3楼 apull
谢谢
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