leetcode-1025. 除数博弈

原始思路

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class Solution {
public boolean divisorGame(int N) {

boolean[] dp = new boolean[N + 1];
if (N == 1) {
return false;
}
if (N == 2) {
return true;
}
if (N == 3) {
return false;
}
dp[1] = false;
dp[2] = true;
dp[3] = false;

for (int i = 4; i <= N; i++) {
dp[i] = !dp[i - 1];
}
return dp[N];
}
}