813. 打印矩阵

https://www.acwing.com/problem/content/submission/code_detail/14063881/

AcWing/813/813.cpp

@@ -0,0 +1,24 @@
+#include <iostream>
+#include <string>
+
+using std::cin;
+using std::cout;
+const char endl = '\n';
+
+int n, m;
+std::string s;
+
+int main() {
+    std::ios::sync_with_stdio(false);
+
+    cin >> n >> m;
+
+    std::getline(cin, s);
+
+    while (n--) {
+        std::getline(cin, s);
+        cout << s << endl;
+    }
+
+    return 0;
+}