#include<stdio.h> #include<stdlib.h> #include<string.h> #define LEN 3000 int main() { int i, j; int T; int n, k; scanf("%d", &T); int n0[LEN]; int n1[LEN]; while(T--) { scanf("%d%d", &n, &k); int t =0; int t1; n0[0] = k; int len = LEN -10; int gard =0; for(i =0; i < len; i++) { t1 = n0[i] * n + t; n1[i] = t1 %10; t = t1 /10; n0[i +1] = n1[i]; if(n1[i] == k && t ==0&& n1[i -1] !=0)//结果数字不能有前导0,并且最高位不能有进位 { gard =1; break; } } if(n ==1)//n为1的时候只需要直接输出k,而上面for()的结果会输出两个k printf("%d\n", k); else { if(gard ==1) { for(; i >=0; i--) printf("%d", n0[i]); putchar(10); } else printf("0\n"); } } //system("pause"); return0; }
Suppose you have to evaluate an expression like A*B*C*D*E where A,B,C,D and E are matrices. Since matrix multiplication is associative, the order in which multiplications are performed is arbitrary. H
bnuoj3016--DramaticMultiplications数字游戏,逐位推出数字即可,需要注意的是结束条件,当迭代达到一定数量时就认为没有结果。#include#include#include#define LEN 3000int main(){ int i, j; int T; int n, k; scanf("%d", &T); int n0[LEN];
这里写点抛砖引玉,希望大家能把自己整理的问题及解决方法晾出来,Mark一下,利人利己。
出现问题先搜一下文档上有没有,再看看度娘有没有,再看看论坛有没有。有报错要看日志。下面简单罗列下常见的问题,大多文档上都有提到的。
1、repeated column width is largerthan paper width:
这个看这段话应该是很好理解的。比如做的模板页面宽度只能放
这个问题我实在是为整个 springsource 的员工蒙羞
如果大家使用 spring 控制事务,使用 Open Session In View 模式,
com.mchange.v2.resourcepool.TimeoutException: A client timed out while waiting to acquire a resource from com.mchange.
简单模拟实现数据库连接池
实例1:
package com.bijian.thread;
public class DB {
//private static final int MAX_COUNT = 10;
private static final DB instance = new DB();
private int count = 0;
private i
using System;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Xml;
using System.Xml.Serialization;
using System.IO;
namespace WindowsFormsApplication1
{
Configuring Spring and JTA without full Java EE
http://spring.io/blog/2011/08/15/configuring-spring-and-jta-without-full-java-ee/
Spring doc -Transaction Management
http://docs.spring.io/spri