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Write a ‘C’ program to check whether given string is palindrome or not. #include<stdio.h> #include<conio.h> #include<string.h> void main() { char name[20]; int l,f,i; clrscr(); printf("enter the string"); gets(name); l=strlen(name); for(i=0;i<l;i++) { if(name[i]!=name[l-1]) { f=0; break; } else { f=1; l--; } } if(f==1) { printf("no is pallindrom"); } else { printf("no is not pallindrom"); } getch(); }

Write a ‘C’ program to accept ‘n’ numbers, store all perfect numbers in an array and display this array. #include<stdio.h> #include<conio.h> void main() { int a[30],i,j,k,n,m,sum,l=0; clrscr(); printf("enter the range value"); scanf("%d",&n); for(i=0;i<n;i++) { printf("enter no"); scanf("%d",&m); j=1; sum=0; while(j<m) { k=m%j; if(k==0) { sum=sum+j; } j++; } if(sum==m) { a[l]=m; l++; } } for(i=0;i<l;i++) { printf("%d",a[i]); } getch(); }