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- // Tim so doi xung lon nhat trong mang
- // Khai bao cac ham thu vien neu co
- #include<stdio.h>
- #include<conio.h>
- #define SIZE 100
- void nhap(int a[],int &n)
- {
- scanf("%d",&n);
- for(int i=0;i<n;i++)
- {
- scanf("%d",&a[i]);
- }
- }
- int doixung(int x)
- {
- int a;
- int s=0;
- int m=x;
- while(x!=0)
- {
- a=x%10;
- x=x/10;
- s=s*10 +a;
- }
- if(s==m)
- return 1;
- return -1;
- }
- int mangdoixung(int a[],int n)
- {
- int max;
- int dem=0;
- for(int i=0;i<n;i++)
- {
- if(doixung(a[i])==1)
- dem++;
- break;
- }
- if(dem!=0)
- {
- max=a[i];
- for(i=i+1;i<n;i++)
- {
- if((doixung(a[i])==1)&&(a[i]>max))
- max=a[i];
- }
- return max;
- }
- else
- {
- return -1;
- }
- }
- void main()
- {
- int a[SIZE],n;
- nhap(a,n);
- printf("%d",mangdoixung(a,n));
- }
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