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  1. # include <stdio.h>
  2.  
  3. int myStrlen(char s[]){
  4. 	int i;//forの外でiを返すからintは外で
  5. 	for(i=0;s[i]!='\0';i++)//s[i]='\0'だとだめ
  6. 	;
  7. return i;
  8. }
  9.  
  10. int main(){
  11.     int len;
  12.     char s[100];
  13.     scanf("%s",s);
  14.     len = myStrlen(s);
  15.     printf("%s -> %d\n",s,len);
  16.     return 0;
  17. }
  18.  
Success #stdin #stdout 0s 5312KB
comments (?)
stdin
copy 
abcd
stdout
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abcd -> 4
https://ideone.com/LOcjPC
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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