10223 – How many nodes ?

Problem Link

<Source Code>

#include<stdio.h>
int main()
{
int n,i,j,x,c[]={1,2,5,14,42,132,429,1430,4862,16796,58786,208012,742900,2674440,9694845,35357670,129644790,477638700,1767263190};
while(scanf(“%d”,&n)!=EOF)

for(i=0;i<20;i++)
{
if(c[i]==n)
{
printf(“%d\n”,i+1);
break;}

}}
return 0;
}

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About waprogramming

I am in CSE,from CUET
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