1 files changed, 21 insertions, 0 deletions
diff --git a/1A/main.cpp b/1A/main.cpp
new file mode 100644
index 0000000..d4a9bbd
--- /dev/null
+++ b/1A/main.cpp
@@ -0,0 +1,21 @@
+#include <iostream>
+
+using namespace std;
+
+int main() {
+        long long a,b,c;
+        cin>>a>>b>>c;
+        
+        long long widthwise = a / c; 
+        if(a % c != 0){
+                widthwise++;
+        }
+        long long lengthwise = b / c;
+        if(b % c != 0){
+                lengthwise++;
+        }
+        long long result = lengthwise*widthwise; 
+        cout<<result;
+
+        return 0;
+}