이슈 #393에서 솔루션 추가

Programmers/겹치는_선분의_길이.cpp

@@ -0,0 +1,25 @@
+#include <string>
+#include <vector>
+
+using namespace std;
+
+int solution(vector<vector<int>> lines) {
+    vector<int> overlap(201, 0);
+
+    for (const auto& line : lines) {
+        int start = line[0] + 100;
+        int end = line[1] + 100;
+        for (int i = start; i < end; ++i) {
+            overlap[i]++;
+        }
+    }
+
+    int result = 0;
+    for (int i = 0; i < 201; ++i) {
+        if (overlap[i] > 1) {
+            result++;
+        }
+    }
+
+    return result;
+}