strcmp
#include <stdio.h>#include <stdlib.h>
#include <string.h>
#define MAXTITL 40
#define MAXAUTL 40
#define MAXBKS 100
struct book
{
char title;
char author;
float value;
};
int main(void)
{
struct book library;
int count = 0;
int index;
int i, j;
printf("Please enter the book title.\n");
printf("Press at the start of a line to stop.\n");
while (count < MAXBKS && gets(library.title) != NULL && library.title != '\0')
{
printf("Now enter the author.\n");
gets(library.author);
printf("Now enter the value.\n");
scanf("%f", &library.value);
while (getchar() != '\n')
continue;
if (count < MAXBKS)
printf("Enter the next title.\n");
}
if (count > 0)
{
printf("Here is the list of your books:\n");//原本输入输出
for (index = 0; index < count; index++)
printf("%s by %s: $%.2f\n", library.title, library.author, library.value);
printf("\n");
printf("Array by title.\n"); //按标题排序
for (i = 0; i < count - 1; i++)
{
for (j = i + 1;i < count; j++)
{
struct book temp;
if (strcmp(library.title, library.title) > 0)
{
temp = library;
library = library;
library = temp;
}
}
}
for (index = 0; index < count; index++)
printf("%s by %s: $%.2f\n", library.title, library.author, library.value);
printf("\n");
printf("Array by price:\n");
for (i = 0; i < count - 1; i++)
{
for (j = i + 1; i < count; j++)
{
struct book temp;
if (library.value > library.value)
{
temp = library;
library = library;
library = temp;
}
}
}
for (index = 0; index < count; index++)
printf("%s by %s: $%.2f\n", library.title, library.author, library.value);
printf("\n");
}
else
printf("No books?Too bad.\n");
return 0;
}
为什么我的strcmp那里运行的问候会发生冲突 本帖最后由 Neverturnback 于 2019-7-31 21:19 编辑
for (j = i + 1; i < count; j++) //这边是j吧(两处都写错了),越界访问了所以会报错;写的时候注意一点
更改过后程序运行过了没有问题
Neverturnback 发表于 2019-7-31 21:17
for (j = i + 1; i < count; j++) //这边是j吧(两处都写错了),越界访问了所以会报错;写的时候注意一点
好的，谢谢 hickttye 发表于 2019-7-31 21:19
好的，谢谢
给个最佳吖!谢谢{:5_109:}
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