发现一个 strcmp 很离谱的问题 求解答!
运行成功的代码:
#include <stdio.h>
#include <string.h>
int main() {
char weekdays[ ][10]={"Sunday", "Monday", "Tuesday", "Wednesday",
"Thursday", "Friday", "Saturday"};
char temp[10];
int i, j;
int n = 7;
printf("%d\n\n", strcmp(weekdays[2], weekdays[1]));
for (i = 0; i < n - 1; i++) {
for (int j = 0; j < n - i - 1; j++) {
if (strcmp(weekdays[j], weekdays[j + 1]) > 0) {
strcpy(temp, weekdays[j]);
strcpy(weekdays[j], weekdays[j + 1]);
strcpy(weekdays[j + 1], temp);
}
}
}
for (i = 0; i < n; i++) {
printf("%s", weekdays[i]);
}
return 0;
}
但是,如果将第15行的 if (strcmp(weekdays[j], weekdays[j + 1]) > 0) 改成 if (strcmp(weekdays[j], weekdays[j + 1]))
就排序错误了