Create countOfDigitsInaNumber.cpp

Given an integral number N. The task is to find the count of digits present in this number within O(1) time complexity.
aman-raza · Oct 24, 2020 · 90a0ad6 · 90a0ad6
1 parent dc14603
commit 90a0ad6
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/countOfDigitsInaNumber.cpp b/countOfDigitsInaNumber.cpp
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+#include <iostream>
+#include<cmath>
+using namespace std;
+int main() {
+    int n;
+    cin>>n;
+    int k = log10(n)+1;
+    cout<<k;
+}
+//following method only requires O(1) time complexity