摘要:
Engineer Assignment Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Problem Description In Google, there are many exp 阅读全文
摘要:
Tunnels Time Limit: 3000/1500 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Problem Description Bob is travelling in Xi’an. He finds many 阅读全文
摘要:
ZYB's Tree Time Limit: 3000/1500 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others) Problem Description ZYB has a tree with N nodes,now he w 阅读全文