math

Author: tjd229

programmers/없는 숫자 더하기.cpp

@@ -0,0 +1,13 @@
+//https://programmers.co.kr/learn/courses/30/lessons/86051
+//math
+#include <string>
+#include <vector>
+
+using namespace std;
+
+int solution(vector<int> numbers) {
+	int ans =0;
+	for (int i = 0; i < 10; ++i) ans += i;
+	for (auto x : numbers) ans -= x;
+	return ans;
+}