大于20,舍弃(多出部分继续映射无法超过10个数) // The rand7() API is already defined for you.// int rand7();// @return a random integer in the range 1 to 7//2版本代码classSolution{public:intrand10(){intt = (rand7() -1) *7+ rand7();if(t >40)returnrand10();returnt %10+1...
php_mt_seed is a PHP mt_rand() seed cracker. In the most trivial invocation mode, it finds possible seeds given the very first mt_rand() output after possible seeding with mt_srand(). With advanced invocation modes, it is also able to match multiple, non-first, and/or inexact mt_ran...
in C with optional SIMD intrinsics (SSE2, SSE4.1/AVX, XOP, AVX2, AVX-512, as well as MIC) and OpenMP. On a modern quad-core CPU, it is able to search the full 32-bit seed space in under a minute. On second generation Xeon Phi, it does the same in 3 seconds. Why crack mt_...