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Find the Next perfect square greater than a given number in C++
Suppose we have a number n. our task is to find next perfect square number of n. So if the number n = 1000, then the next perfect square number is 1024 = 322.
To solve this, we have get the square root of the given number n, then take the floor of it, after that display the square of the (floor value + 1)
Example
#include<iostream>
#include<cmath>
using namespace std;
int justGreaterPerfectSq(int n) {
int sq_root = sqrt(n);
return (sq_root + 1)*(sq_root + 1);
}
int main() {
int n = 1000;
cout << "Nearest perfect square: " << justGreaterPerfectSq(n);
}Output
Nearest perfect square: 1024
Updated on: 04-Nov-2019
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