02 2017 档案
摘要：Description Little Nastya has a hobby, she likes to remove some letters from word, to obtain another word. But it turns out to be pretty hard for her,
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摘要：Description Igor found out discounts in a shop and decided to buy n items. Discounts at the store will last for a week and Igor knows about each item
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摘要：Description Polycarp is crazy about round numbers. He especially likes the numbers divisible by 10k. In the given number of n Polycarp wants to remove
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摘要：Description In Berland each high school student is characterized by academic performance — integer value between 1 and 5. In high school 0xFF there ar
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摘要：#include using namespace std; #define ll long long ll a[200000]; ll d[200000]; int main() { ll n; ll sum=0; cin>>n; for(int i=0;i>a[i]; sum+=a[i]; } for(int i=0;i #i...
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摘要：Misha and Vanya have played several table tennis sets. Each set consists of several serves, each serve is won by one of the players, he receives one p
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摘要：Description Kostya likes Codeforces contests very much. However, he is very disappointed that his solutions are frequently hacked. That's why he decid
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摘要：Description There are literally dozens of snooker competitions held each year, and team Jinotega tries to attend them all (for some reason they prefer
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摘要：A - ABC/ARC Time limit : 2sec / Memory limit : 256MB Score : 100 points Problem Statement Smeke has decided to participate in AtCoder Beginner Contest
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摘要：A - One Card Poker Time limit : 2sec / Memory limit : 256MB Score : 100 points Problem Statement Alice and Bob are playing One Card Poker.One Card Pok
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