題目 硬幣排成線 II 有 n 個不同價值的硬幣排成一條線。兩個參賽者輪流從左邊依次拿走 1 或 2 個硬幣，直到沒有硬幣為止。計算兩個人分別拿到的硬幣總價值，價值高的人獲勝。 請判定 第一個玩家 是輸還是贏？ 樣例 給定數組 A = [1,2,2 ...

There are n coins with different value in a line. Two players take turns to take one or two coins from left side until there are no more ...

Coins in a Line III There are n coins in a line. Two players take turns to take a coin from one of the ends of the line until there are no more ...

There are n coins in a line. Two players take turns to take one or two coins from right side until there are no more coins left. The player ...

There is a stone game.At the beginning of the game the player picks n piles of stones in a ci ...

Number of Islands II Given a n,m which means the row and column of the 2D matrix and an array of pair A( size k). Originally, the 2D matrix is all ...

題目 計算兩個數組的交 注意事項 每個元素出現次數得和在數組里一樣答案可以以任意順序給出 樣例 nums1 = [1, 2, 2, 1], nums ...

There is an integer matrix which has the following features: The numbers in adjacent positions a ...