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Author: MishkatIT

2180-count-integers-with-even-digit-sum/2180-count-integers-with-even-digit-sum.cpp

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+class Solution {
+public:
+    int countEven(int num) {
+        int ans = 0;
+        for (int i = 1; i <= num; i++) {
+            ans += (digSum(i) % 2 == 0);
+        }
+        return ans;
+    }
+    int digSum(int n) {
+        int sum = 0;
+       while (n) {
+            sum += (n % 10);
+            n /= 10;
+       }
+       return sum;
+    }
+};