#include<stdio.h> #include<stdbool.h> #include<conio.h> #include<math.h> #include<string.h> void main() { int temp, i, j; temp = 0; char chars[20]; printf("enter chars : "); gets(chars); for(i = 0, j = strlen(chars)-1; i < j; i++, j--) { if(chars[i] != chars[j]) { temp = 1; break; } } if ( temp == 0) { printf("symmetric chain"); } else { printf("not symmetric chain"); } getch(); }
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