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i have tried but didn't get the result.quies is SPOJ.com - Problem SMPSEQ7[^]

What I have tried:

#include <iostream>
using namespace std;

int main() {
    int p,n,i,j,a[100],ctr;
 cin>>n;
 for(i=0;i<n;i++)
 cin>>a[i];
 for(i=0;i<n;i++)
 {  p=1;
     ctr=0;
     for(j=0;j<n;j++)
     {
         if(a[i]==a[j])
         {
             ctr++;
         }
     }
     if(ctr>=3||n==1)
     {   p=0;
         cout<<"No";
         break;
     }
 }
 if(p==1)
 cout<<"Yes";
	return 0;
}
Posted
Updated 6-Oct-18 21:03pm

No. We do not do your homework: it is set for a reason. It is there so that you think about what you have been told, and try to understand it. It is also there so that your tutor can identify areas where you are weak, and focus more attention on remedial action.

We "give you the solution" and you learn nothing. You get it working yourself, and your skills improve. Try it yourself, you may find it is not as difficult as you think!

If you meet a specific problem, then please ask about that and we will do our best to help. But we aren't going to do it all for you!
 
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Quote:
i have tried but didn't get the result.

Your problem is that the code is not related to the SPOJ question.
Advice: take a sheet of paper and a pencil and solve the problem by hand, create more samples with more numbers. How do you see if a part of sequence is decreasing or increasing. What do you need to do to see if next integer is part of the current decreasing sequence ?
How you do it by hand is basically your algorithm that you have to translate to code.
You can start with just detecting if a sequence is decreasing or not.
-----
Your code do not behave the way you expect, or you don't understand why !

There is an almost universal solution: Run your code on debugger step by step, inspect variables.
The debugger is here to show you what your code is doing and your task is to compare with what it should do.
There is no magic in the debugger, it don't know what your code is supposed to do, it don't find bugs, it just help you to by showing you what is going on. When the code don't do what is expected, you are close to a bug.
To see what your code is doing: Just set a breakpoint and see your code performing, the debugger allow you to execute lines 1 by 1 and to inspect variables as it execute.
Debugger - Wikipedia, the free encyclopedia[^]

Mastering Debugging in Visual Studio 2010 - A Beginner's Guide[^]
Basic Debugging with Visual Studio 2010 - YouTube[^]
1.11 — Debugging your program (stepping and breakpoints) | Learn C++[^]
The debugger is here to only show you what your code is doing and your task is to compare with what it should do.
 
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