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Program to find N-th term of series 3, 5, 33, 35, 53… in C++
In this tutorial, we will be discussing a program to find N-th term of series 3, 5, 33, 35, 53…
For this, we will be provided with a number. Our task is to find the term for the given series at that particular position.
Example
#include <bits/stdc++.h> using namespace std; //finding the nth term in the series int printNthElement(int n){ int arr[n + 1]; arr[1] = 3; arr[2] = 5; for (int i = 3; i <= n; i++) { if (i % 2 != 0) arr[i] = arr[i / 2] * 10 + 3; else arr[i] = arr[(i / 2) - 1] * 10 + 5; } return arr[n]; } int main(){ int n = 6; cout << printNthElement(n); return 0; }
Output
55
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