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  1. #include <stdio.h>
  2. #include <string.h>
  3.  
  4. int main() {
  5.     char str1[1000] = "123";
  6.     char str2[1000] = "1236";
  7.     char ans[1000];
  8.     int max=0;
  9.     while (scanf("%s\n%s", str1, str2) != EOF) {
  10.  
  11.         //找到字符串较少的数据
  12.         if (strlen(str1) > strlen(str2)) {
  13.             char temp[1000];
  14.             strcpy(temp, str1);
  15.             strcpy(str1, str2);
  16.             strcpy(str2, temp);
  17.         }
  18.  
  19.         for(int i=0; i<strlen(str1);i++){
  20.  
  21.             for(int j=0; j<strlen(str2); j++){
  22.                 int n=0;
  23.                 while(str1[i+n]== str2[j+n] && str1[i+n]!='\0'){
  24.                     n++;
  25.                 }
  26.                 if(n>max){
  27.                     max=n;
  28.                     strcpy(ans,str1+i);
  29.                     ans[max]='\0';
  30.                 }   
  31.             }           
  32.         }
  33.         printf("%s\n",ans);    
  34.     }
  35.     return 0;
  36. }
Success #stdin #stdout 0.01s 5320KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
https://ideone.com/yWQeMz
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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