초급반 / 김민지 / 단어뒤집기2-17413, 파일정리-20291, ZOAC-30436

week7/implementation/파일정리/arenran02/Main.cpp

@@ -0,0 +1,26 @@
+#include <iostream>
+#include <map>
+#include <string>
+
+int main() {
+    int N;
+    std::cin >> N;
+    std::map<std::string, int> extensionCount;
+
+    for (int i = 0; i < N; ++i) {
+        std::string filename;
+        std::cin >> filename;
+
+        size_t pos = filename.rfind('.');
+        if (pos != std::string::npos) {
+            std::string extension = filename.substr(pos + 1);
+            ++extensionCount[extension];
+        }
+    }
+
+    for (const auto& pair : extensionCount) {
+        std::cout << pair.first << " " << pair.second << "\n";
+    }
+
+    return 0;
+}