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Codeforces Round #554 (Div. 2) A

On a random day, Neko found n treasure chests and m keys. The i-th chest has an integer ai written on it and the j-th key has an integer bj on it. Ne...

2019-04-25

0 783

HDU - 1863 畅通工程

#include <iostream> #include<stdio.h> #include<algorithm> using namespace std; typedef struct Dt { int x,y,sum; }Dt; Dt a[120]; ...

2019-04-23

0 627

Educational Codeforces Round 63 (Rated for Div. 2)C - Alarm Clocks Everywhere

Ivan is going to sleep now and wants to set his alarm clock. There will be many necessary events tomorrow, the i-th of them will start during the xi-t...

2019-04-23

0 468

Educational Codeforces Round 63 (Rated for Div. 2) Game with Telephone Numbers B

A telephone number is a sequence of exactly 11 digits such that its first digit is 8. Vasya and Petya are playing a game. Initially they have a stri...

2019-04-23

0 512

Educational Codeforces Round 63 (Rated for Div. 2) Reverse a Substring A

You are given a string s consisting of n lowercase Latin letters. Let's define a substring as a contiguous subsegment of a string. For example, &quo...

2019-04-23

0 562

Til the Cows Come Home

Bessie is out in the field and wants to get back to the barn to get as much sleep as possible before Farmer John wakes her for the morning milking. Be...

2019-04-22

0 426

hdu 1005 Number Sequence

Problem Description A number sequence is defined as follows: f(1) = 1, f(2) = 1, f(n) = (A * f(n - 1) + B * f(n - 2)) mod 7. Given A, B, and n, you a...

快速幂

2019-04-21

0 547

hdu 1002 A + B Problem II

Problem Description I have a very simple problem for you. Given two integers A and B, your job is to calculate the Sum of A + B. Input The...

模拟

2019-04-21

0 564

2019湖南多校第5场网络同步赛B

Little Barney just got a new toy cube set from his parents. His set contains n identical cubes. Barney immediately started building various objects wi...

2019-04-21

0 462

2019湖南多校第5场网络同步赛A

Description Anna loves her cell phone and becomes very sad when its battery level drops to 0 percent. In normal mode, Anna's phone battery drains at...

2019-04-21

0 563