20251205 (#32)

add: 자리수의 합

Author: sukyoungshin

src/inflearn_coding_test/basic/4-1_자리수의합.js

@@ -0,0 +1,26 @@
+function solution(nums) {
+  let answer = 0;
+  let max = Number.MIN_SAFE_INTEGER;
+
+  for (const num of nums) {
+    let temp = num;
+    let sum = temp % 10;
+
+    while (temp > 0) {
+      sum += temp % 10;
+      temp = Math.floor(temp / 10);
+    }
+
+    if (sum > max) {
+      max = sum;
+      answer = num;
+    } else if (sum === max) {
+      answer = Math.max(answer, num);
+    }
+  }
+
+  return answer;
+}
+
+console.log(solution([128, 460, 603, 40, 521, 137, 122])); // 137
+console.log(solution([5, 3, 7, 11, 2, 15, 17])); // 17