bzoj 1000 A+B Problem (And also my first experience of Emacs)

【bzoj 1000 A+B Problem (And also my first experience of Emacs)】的更多相关文章

bzoj 1000 A+B Problem (And also my first experience of Emacs)

problem:https://www.lydsy.com/JudgeOnline/problem.php?id=1000 This is my first code under Emacs! #include<iostream> #include<cstdio> #include<cstring> using namespace std; int a,b; int main() { scanf("%d%d",&a,&b); prin…

BZOJ 1000: A+B Problem

问题:A + B问题描述:http://acm.wust.edu.cn/problem.php?id=1000&soj=0 代码示例: import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner scan = new Scanner(System.in); int a, b; while(scan.hasNext()){ a = scan.nextInt(); b…

BZOJ 1000 A+B Problem (I/O)

#include<cstdio> int main(){ int a,b; scanf("%d%d",&a,&b); printf("%d",a+b); return 0; }…

1000: A+B Problem（NetWork Flow）

1000: A+B Problem Time Limit: 1 Sec Memory Limit: 5 MBSubmit: 11814 Solved: 7318[Submit][Status][Discuss] Description Calculate a+b Input Two integer a,b (0<=a,b<=10) Output Output a+b Sample Input 1 2 Sample Output 3 HINT Q: Where are the input a…

[BZOJ 2301] [HAOI 2011] Problem b (莫比乌斯反演)(有证明)

[BZOJ 2301] [HAOI 2011] Problem b (莫比乌斯反演)(有证明) 题面 T组询问,每次给出a,b,c,d,k,求\(\sum _{i=a}^b\sum _{j=c}^d[gcd(i,j)=k]\) \(T,a,b,c,d,k\le 5\times 10^4\) 分析 \(O(n^2)\)暴力显然是不可行的,我们考虑优化. 首先易得\(k\times gcd(i,j)=gcd(ki,kj)\),那么我们可以把a,b,c,d都除上k,问题就变成了\(\sum _{i=a…

【BZOJ】3339: Rmq Problem & 3585: mex（线段树+特殊的技巧）

http://www.lydsy.com/JudgeOnline/problem.php?id=3585 好神的题. 但是!!!!!!!!!!!!!!我线段树现在要开8倍空间才能过!!!!!!!!!!这什么梗...................... 我思考了很久空间的问题,因为我在pushdown的时候可能会越界,或许是pushup? 不管了.然后看了zyf的写法.看来以后得注意下...pushdown弄成先放了... 本题的做法: 好神orz 首先像莫队一样离线区间,左端点在前. 考虑如何…