Create 14_pefectSquares.cpp

Author: FazeelUsmani

10 October LeetCode Challenge 2021/14_pefectSquares.cpp

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+class Solution {
+public:
+ int numSquares(int n) {
+ //vector for updating the dp array/values
+ vector<int> dp(n+1,INT_MAX);
+ //base case
+ dp[0]=0;
+ int count = 1;
+ while(count*count <= n) {
+ int sq = count*count;
+ for(int i = sq; i < n+1; i++) {
+ dp[i] = min(dp[i-sq] + 1,dp[i]);
+ }
+ count++;
+ }
+ return dp[n];
+ }
+};