update

src/7/22/P1941.cpp

@@ -1,3 +1,15 @@
+#include <cstdint>
+#include <iostream>
+#include <istream>
+
+using ll = int64_t;
+
+ll n,m,k;
+
 int main(){
-    main();
+    std::iostream::sync_with_stdio(false);
+    std::cin.tie(nullptr);
+    std::cout.tie(nullptr);
+
+    std::cin>>n>>m>>k;
 }