SCUT_Pein

Description We define function F like this, F(n) = ( n % 1 ) + ( n % 2 ) + ( n % 3 ) + ... + ( n %n ) Now you are give a postive number n,please find theF(n). Input Description The in

Description input input.txt output output.txt No Great Victory anniversary in Berland has ever passed without the war parade. This year is not an exception. That’s why the preparation

Description A colored stripe is represented by a horizontal row of n square cells, each cell is pained one of k colors. Your task is to repaint the minimum number of cells so that no two neighbou

Constraints Time Limit: 2 secs, Memory Limit: 256 MB , Special Judge Description Consider car trips in a country where there is no friction. Cars in this country do not have engines. Once a car

Problem Description In graph theory, a pseudoforest is an undirected graph in which every connected component has at most one cycle. The maximal pseudoforests of G are the pseudoforest subgraphs of G

Description RJ Freight, a Japanese railroad company for freight operations has recently constructed exchange lines at Hazawa, Yokohama. The layout of the lines is shown in Figure 1. Figure 1: La

The Window Property Suppose you are given a sequence of symbols but you can see only k ( ) consecutive symbols at a time. Then we say the length of the window is k. Moving this window