题面: Coins Problem Description: Duoxida buys a bottle of MaiDong from a vending machine and the machine give her n coins back. She places them in a line randomly showing head face or tail face o
H. 硬币水题II Time Limit: 1000ms Case Time Limit: 1000ms Memory Limit: 65536KB 64-bit integer IO format: %lld Java class name: Main Submit Status PID: 29064 Font Size: +