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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <string.h>
  4. #define MAX 100
  5. //ham kien tra chuoi doi xung
  6. int ktDoiXung(char a[]){
  7.     for (int i = 0; i < strlen(a) / 2; i++)
  8.     {
  9.         if (a[i] != strlen(a ) - 1 - i)
  10.         {
  11.             return 0;
  12.         }
  13.     }  
  14.     return 1;
  15. }
  16. int main(){
  17.     system("cls");
  18.  
  19.     char chuoi[MAX];
  20.     printf("nhap vao chuoi: ");
  21.     gets(chuoi);
  22.  
  23.     if (ktDoiXung)
  24.     {
  25.         printf("La chuoi doi xung.");
  26.     }else       
  27.     {
  28.         printf("Khong phai la chuoi doi xung.");
  29.     }
  30.     return 0;
  31. }
  32.  
Success #stdin #stdout #stderr 0.01s 5284KB
comments (?)
stdin
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Standard input is empty
stdout
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nhap vao chuoi: La chuoi doi xung.
stderr
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sh: 1: cls: not found
https://ideone.com/NHsb9U
Kiểm tra tinh đối xứng của chuỗi
language:
C (gcc 8.3)
created:
1 year ago
visibility:
public

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