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Discussion of Problem 1024. Permutations

Where is Wrong answer #3
Posted by Akbar Ali 16 Nov 2006 06:52
#include<iostream.h>

int main()
{
 long int s=0,i,n,a[1000];

   cin>>n;

for(i=1;i<=n;i++)
 cin>>a[i];

i=1;
do
{
  s=s+a[i];
  if(a[i]<=i)break;
  i=a[i];
} while(i<=n);

 cout<<s<<endl;
 return 0;
}