delete pics to save space

2.679.cpp

@@ -0,0 +1,19 @@
+#include<cstdio>
+int main()
+{
+#ifdef local
+	freopen("pro.in","r",stdin);
+#endif
+	int D,I,t;
+	scanf("%d",&t);
+	while(t-->0)
+	{
+		scanf("%d%d",&D,&I);
+		int k=1;
+		for(int i=0;i<D-1;i++)
+			if(I&1){k=k<<1;I=(I+1)>>1;}
+			else{k=(k<<1)+1;I>>=1;}
+		printf("%d\n",k);
+	}
+	return 0;
+}