摘要：
A. Pizza Separation time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Students Vasya and Pe 阅读全文
摘要：
D. Credit Card（贪心，最大值最小值维护） time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output D. Credit Ca 阅读全文