C. Petya and Catacombstime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputA very brave explorer Petya once decided to explore Paris catacombs. Since Petya is not really experienced, his exploration is…
C. Petya and Catacombs time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output A very brave explorer Petya once decided to explore Paris catacombs. Since Petya is not really experienced, his explor…
突然发现百度不到这题的单独题解(果然是因为这是水题么),那我就来写一个了~ 先把题给贴了. C. Petya and Catacombs time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output A very brave explorer Petya once decided to explore Paris catacombs. Sin…
[链接] 我是链接,点我呀:) [题意] 在这里输入题意 [题解] 看看时间戳为i的点有哪些. 每次优先用已经访问过的点. 如果不行就新创一个点. 注意新创点的时间戳也是i. [代码] #include <bits/stdc++.h> using namespace std; const int N = 2e5; int n; int now = 1, tot = 1; vector <int> have[N + 10]; int before[N + 10]; int main(…
A. Alyona and copybooks time limit per test: 1 second memory limit per test: 256 megabytes input: standard input output: standard output Little girl Alyona is in a shop to buy some copybooks for school. She study four subjects so she wants to have eq…
A. Crazy Computer time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output ZS the Coder is coding on a crazy computer. If you don't type in a word for a c consecutive seconds, everything you typed…
Description On the planet Mars a year lasts exactly n days (there are no leap years on Mars). But Martians have the same weeks as earthlings — 5 work days and then 2 days off. Your task is to determine the minimum possible and the maximum possible nu…
A very brave explorer Petya once decided to explore Paris catacombs. Since Petya is not really experienced, his exploration is just walking through the catacombs. Catacombs consist of several rooms and bidirectional passages between some pairs of the…
