Time limit 1000 ms Memory limit 131072 kB Little A has became fascinated with the game Dota recently, but he is not a good player. In all the modes, the rdsp Mode is popular on online, in this mode, little A always loses games if he gets strange he…
Time limit 1000 ms Memory limit 131072 kB Little A gets to know a new friend, Little B, recently. One day, they realize that they are family 500 years ago. Now, Little A wants to know whether Little B is his elder, younger or brother. Input There a…
Time limit 1000 ms Memory limit 131072 kB It is widely known that any two strangers can get to know each other through at most six other people. Now let’s prove this. In the country Intermediary Conducts Personal Communications (ICPC), there are up t…
Time limit 1000 ms Memory limit 131072 kB The life of Little A is good, and, he managed to get enough money to run a hotel. The best for him is that he need not go to work outside, just wait for the money to go into his pocket. Little A wants everyth…
Time limit 1000 ms Memory limit 131072 kB This English game is a simple English words connection game. The rules are as follows: there are N English words in a dictionary, and every word has its own weight v. There is a weight if the corresponding wo…
Time limit 1000 ms Memory limit 131072 kB The National Intelligence Council of X Nation receives a piece of credible information that Nation Y will send spies to steal Nation X’s confidential paper. So the commander of The National Intelligence Cou…
Time limit 1000 ms Memory limit 131072 kB Digital clock use 4 digits to express time, each digit is described by 3*3 characters (including”|”,”_”and” “).now given the current time, please tell us how can it be expressed by the digital clock. In…
Time limit 1000 ms Memory limit 131072 kB Paula and Tai are couple. There are many stories between them. The day Paula left by airplane, Tai send one message to telephone 2200284, then, everything is changing… (The story in “the snow queen”). Afte…
Time limit 1000 ms Memory limit 32768 kB Little A is one member of ACM team. He had just won the gold in World Final. To celebrate, he decided to invite all to have one meal. As bowl, knife and other tableware is not enough in the kitchen, Little A…