An Easy Problem   Description As we known, data stored in the computers is in binary form. The problem we discuss now is about the positive integers and its binary form. Given a positive integer I, you task is to find out an integer J, which is the m…

An Easy Problem Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 8371   Accepted: 5009 Description As we known, data stored in the computers is in binary form. The problem we discuss now is about the positive integers and its binary form.…

#include <iostream> #include <algorithm> #include <cmath> #define MAXN 1000 #define M_15 15 using namespace std; int _b[M_15]; struct node { int tot; int v; ]; node() { v = ; tot = ; } }; void fun_3(); node _[MAXN]; int fun_2(int sum); i…

http://noi.openjudge.cn/ch0105/40/ 40:数1的个数-拓展变形 查看 提交 统计 提问 总时间限制:  1000ms 内存限制:  65536kB 描述 给定一个十进制正整数n,写下从1到n的所有整数,然后数一下其中出现的数字“1”的个数. 例如当n=2时,写下1,2.这样只出现了1个“1”:当n=12时,写下1,2,3,4,5,6,7,8,9,10,11,12.这样出现了5个“1”. 输入 正整数n.1 <= n <= 10000. 输出 一个正整数,即“1…

Halloween treats Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 7644   Accepted: 2798   Special Judge Description Every year there is the same problem at Halloween: Each neighbour is only willing to give a certain total number of sweets…

Find a multiple Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 7192   Accepted: 3138   Special Judge Description The input contains N natural (i.e. positive integer) numbers ( N <= 10000 ). Each of that numbers is not greater than 15000…

The Pilots Brothers' refrigerator Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 22286   Accepted: 8603   Special Judge Description The game “The Pilots Brothers: following the stripy elephant” has a quest where a player needs to open a…

Flip Game Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 37427   Accepted: 16288 Description Flip game is played on a rectangular 4x4 field with two-sided pieces placed on each of its 16 squares. One side of each piece is white and the…

Corn Fields Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 9806   Accepted: 5185 Description Farmer John has purchased a lush new rectangular pasture composed of M by N (1 ≤ M ≤ 12; 1 ≤ N ≤ 12) square parcels. He wants to grow some yumm…

Sum of Consecutive Prime Numbers Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 20050   Accepted: 10989 Description Some positive integers can be represented by a sum of one or more consecutive prime numbers. How many such representatio…