#BZOJ4126. 国王奇遇记加强版之再加强版
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ID: 2708
Type: RemoteJudge
1000ms
256MiB
Tried: 0
Accepted: 0
Difficulty: (None)
Uploaded By:
root
国王奇遇记加强版之再加强版
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题目描述
同原题，见OJ3516
但本题中m<=500000
输入格式
共一行，包括两个正整数N和M。
输出格式
共一行，为所求表达式的值对10^9+7取模的值。
5 3
36363
数据范围与约定
1<=N<=10^9,1<=M<=500000