摘要:
Graph constructive problems are back! This time the graph you are asked to build should match the following properties. The graph is connected if and 阅读全文
摘要:
time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output time limit per test 2 seconds time limit 阅读全文
摘要:
B. Segment Occurrence time limit per test:2 seconds memory limit per test:256 megabytes input:standard input output:standard output You are given two 阅读全文