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  1. #include <stdio.h>
  2. #define N 20
  3. #include <string.h>
  4. int main(void) {
  5.     char str[N],substr[N];
  6.     int i=0,start=6,len=8;
  7.     printf("\n请输入身份证号：");
  8.     fgets (str, sizeof(str), stdin);
  9.     for(;i<len;i++)
  10.        substr[i]=str[start+i];
  11.     substr[len]='\0';
  12.     printf("对应出生日期为%s\n",substr);
  13. 	// your code goes here
  14. 	return 0;
  15. }
  16.  
Success #stdin #stdout 0s 5316KB
comments (?)
stdin 
526775200709040311
stdout 
请输入身份证号：对应出生日期为20070904
https://ideone.com/bQ5H6W
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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