Description Little Lesha loves listening to music via his smartphone. But the smartphone doesn't have much memory, so Lesha listens to his favorite songs in a well-known social network InTalk. Unfortunately, internet is not that fast in the city of E…
Description n participants of the competition were split into m teams in some manner so that each team has at least one participant. After the competition each pair of participants from the same team became friends. Your task is to write a program th…
C - C Time Limit:2000MS Memory Limit:262144KB 64bit IO Format:%I64d & %I64u Submit Status Practice CodeForces 569A Description Little Lesha loves listening to music via his smartphone. But the smartphone doesn't have much memory, so Lesha lis…
Description You probably have played the game "Throwing Balls into the Basket". It is a simple game. You have to throw a ball into a basket from a certain distance. One day we (the AIUB ACMMER) were playing the game. But it was slightly differen…
B - B Time Limit:1000MS Memory Limit:262144KB 64bit IO Format:%I64d & %I64u Description n participants of the competition were split into m teams in some manner so that each team has at least one participant. After the competition each pair…
codeforces 569A Music 解题报告 题目链接:http://acm.hust.edu.cn/vjudge/contest/view.action?cid=88890#problem/C 题目: Description Little Lesha loves listening to music via his smartphone. But the smartphone doesn't have much memory, so Lesha listens to his…
题目链接: A. Music time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Little Lesha loves listening to music via his smartphone. But the smartphone doesn't have much memory, so Lesha listens to hi…
Codeforces 1082B Vova and Trophies https://vjudge.net/problem/CodeForces-1082B 题目: Vova has won nn trophies in different competitions. Each trophy is either golden or silver. The trophies are arranged in a row. The beauty of the arrangement is the le…
B. The Time 题目连接: http://www.codeforces.com/contest/622/problem/B Description You are given the current time in 24-hour format hh:mm. Find and print the time after a minutes. Note that you should find only the time after a minutes, see the examples t…
A. Infinite Sequence 题目连接: http://www.codeforces.com/contest/622/problem/A Description Consider the infinite sequence of integers: 1, 1, 2, 1, 2, 3, 1, 2, 3, 4, 1, 2, 3, 4, 5.... The sequence is built in the following way: at first the number 1 is wr…
A. Extract Numbers Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/600/problem/A Description You are given string s. Let's call word any largest sequence of consecutive symbols without symbols ',' (comma) and ';' (semicolon…
A. Divisibility Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/597/problem/A Description Find the number of k-divisible numbers on the segment [a, b]. In other words you need to find the number of such integer values x tha…
A. Towers 题目连接: http://www.codeforces.com/contest/37/problem/A Description Little Vasya has received a young builder's kit. The kit consists of several wooden bars, the lengths of all of them are known. The bars can be put one on the top of the other…
C. Tic-tac-toe 题目连接: http://www.codeforces.com/contest/3/problem/C Description Certainly, everyone is familiar with tic-tac-toe game. The rules are very simple indeed. Two players take turns marking the cells in a 3 × 3 grid (one player always draws…
Ballot Analyzing Device 题目连接: http://codeforces.com/gym/100269/attachments Description Election committee of Flatland is preparing for presidential elections. To minimize human factor in ballot counting they decided to develop an automated Ballot Ana…
Problem A. Arrangement of Contest 题目连接: http://codeforces.com/gym/100269/attachments Description Little Dmitry and little Petr want to arrange a contest. Their little friends submitted several task proposals and now Dmitry and Petr want to select som…
比赛情况 bq. A题 Wrong Answer on test 2 , E题sb题没切.bqbqbq. 比赛总结 bq. 那就直接上题解吧!^-^ A 数位dp,分类讨论,注意细节. Talk is cheap.Show me the code. #include<bits/stdc++.h> using namespace std; inline int read() { int x=0,f=1; char ch=getchar(); while(ch<'0' || ch>'9…
A 题 Vasily the Bear and Triangle 题目大意 一个等腰直角三角形 ABC,角 ACB 是直角,AC=BC,点 C 在原点,让确定 A 和 B 的坐标,使得三角形包含一个矩形,这个矩形一个角在原点,另一个点在 (x, y) 处,并且三角形 ABC 的面积尽量小 将 A B 两点按照 x 坐标从小到大输出 做法分析 A B 两点必然在坐标轴上,且线段 AB 经过点 (x, y),那么简单分类讨论下就行了 交之前犹豫了一下,10分钟才提交... 参考代码 #include…
Description After making bad dives into swimming pools, Wilbur wants to build a swimming pool in the shape of a rectangle in his backyard. He has set up coordinate axes, and he wants the sides of the rectangle to be parallel to them. Of course, the a…
Description meter long road between his house and the first shop and a d2 meter long road between his house and the second shop. Also, there is a road of length d3 directly connecting these two shops to each other. Help Patrick calculate the minimum…
http://acm.hust.edu.cn/vjudge/contest/view.action?cid=102271#problem/B Description Kevin Sun has just finished competing in Codeforces Round #334! The round was 120 minutes long and featured five problems with maximum point values of 500, 1000, 1500,…
