指定年份 Y 和月份 M,请你帮忙计算出该月一共有多少天。
示例 1:
输入:Y = 1992, M = 7 输出:31 示例 2:
输入:Y = 2000, M = 2 输出:29 示例 3:
输入:Y = 1900, M = 2 输出:28 提示: 1583 <= Y <= 2100 1 <= M <= 12
class Solution {//C++ public: int numberOfDays(int Y, int M) { vector<int> d = {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}; if(M != 2) return d[M]; if((Y%400 == 0) || (Y%4==0 && Y%100!=0)) return d[2]+1; return d[2]; } };
0 ms 6.1 MB
class Solution:#py3 def numberOfDays(self, Y: int, M: int) -> int: d = [0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31] if M != 2: return d[M] if (Y%400 == 0) or (Y%4==0 and Y%100!=0): return d[2]+1 return d[2]
44 ms 13.5 MB
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