Z

1074.cpp

@@ -0,0 +1,24 @@
+#include <iostream>
+using namespace std;
+
+int main(){
+	int n, r, c;
+    cin >> n >> r >> c;
+
+    int ans = 0;
+    while(n){
+        int s = 1 << (n - 1);
+        int f;
+        if(r < s && c < s) f = 0;
+        else if(r < s && c >= s) f = 1;
+        else if(r >= s && c < s) f = 2;
+        else f = 3;
+
+        r %= s;
+        c %= s;
+        ans += s * s * f;
+        n--;
+    }
+    cout << ans << endl;
+	return 0;
+}