Codeforces Round #262 (Div. 2) B B - Little Dima and Equation B. Little Dima and Equation time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Little Dima misbehaved during a math lesson a lot a…

题目链接:fzu 1909 An Equation 典型的签到题. #include <stdio.h> #include <string.h> bool judge(int *a, int sum) { for (int i = 0; i < 4; i++) { for (int j = i + 1; j < 4; j++) if (sum == (a[i] + a[j]) * 2) return true; } return false; } int main ()…

B - 楼下水题 Time Limit:1000MS     Memory Limit:262144KB     64bit IO Format:%I64d & %I64u Submit Status Practice CodeForces 7C Description A line on the plane is described by an equation Ax + By + C = 0. You are to find any point on this line, whose coo…

Nasty Hacks Time Limit: 3000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 3049    Accepted Submission(s): 2364 Problem Description You are the CEO of Nasty Hacks Inc., a company that creates small pieces of…

CSU 1772 漫漫上学路 Time Limit: 1000MS   Memory Limit: 131072KB   64bit IO Format: %lld & %llu Submit Status Description 对于csuxushu来说,能够在CSU(California State University)上学是他一生的荣幸.CSU校园内的道路设计的十分精巧,由n+1条水平道路和n+1条竖直道路等距交错而成,充分体现了校园深厚的文化底蕴.然而不幸的是CS市每到夏季,天降大雨,…

1050: 写一个函数,使给定的一个二维数组(3×3)转置,即行列互换 Time Limit: 1 Sec  Memory Limit: 128 MBSubmit: 154  Solved: 112[Submit][Status][Web Board] Description 写一个函数,使给定的一个二维数组(3×3)转置,即行列互换. Input 一个3x3的矩阵 Output 转置后的矩阵 Sample Input 1 2 3 4 5 6 7 8 9 Sample Output 1 4 7…

B. Little Dima and Equation time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Little Dima misbehaved during a math lesson a lot and the nasty teacher Mr. Pickles gave him the following proble…

DP 水题 Description A number whose only prime factors are 2,3,5 or 7 is called a humble number. The sequence 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 27, ... shows the first 20 humble numbers. Write a program to find and print…

1195: 相信我这是水题 Time Limit: 1 Sec  Memory Limit: 128 MBSubmit: 821  Solved: 219 Description GDUT中有个风云人物pigofzhou,是冰点奇迹队的主代码手,萌萌的师弟师妹们们经常会让pigofzhou帮他们Debug,因为师弟师妹们打代码使用编程语言的种类千奇百怪,pigofzhou为此很头疼.现在假设师弟师妹们只喜欢Java或者C++或者C,因为他希望所有人都学相同的编程语言,只有这样pigofzhou教…

1303: [CQOI2009]中位数图 Time Limit: 1 Sec  Memory Limit: 162 MBSubmit: 2340  Solved: 1464[Submit][Status][Discuss] Description 给出1~n的一个排列,统计该排列有多少个长度为奇数的连续子序列的中位数是b.中位数是指把所有元素从小到大排列后,位于中间的数. Input 第一行为两个正整数n和b ,第二行为1~n 的排列. Output 输出一个整数,即中位数为b的连续子序列个数.…