#include <stdlib.h>
#include <stdio.h>
#include <string.h>
void main()
{
int a;
char str1[200];
printf("Please input a integer: "); scanf("%d", &a);
itoa(a, str1, 10);
printf("The length of integer=%d", strlen(str1));
}
追问有没有更简单的写法啊。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/64380cd7912397dd71bd34d35b82b2b7d1a28725?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/7e3e6709c93d70cf18ec05dafadcd100bba12bd6?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
这样写对吗
追答没问题,独出心裁,不错。
#include
void main()
{
int a, i=0;
printf("Please input a integer: "); scanf("%d", &a);
while(a) { a/=10, i++; }
printf("The length of integer=%d", i);
}
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