random(隨機函數生成）

#ifndef C11LEARN_RANDOM_H #define C11LEARN_RANDOM_H #include <time.h> #include <stdlib.h> int random_include_left_right(int left,int right); int random_only_include_left(int left,int right); int random_only_include_right(int left,int right); int random_no_include_left_right(int left,int right); long long random_include_left_right(long long left,long long right); #endif //C11LEARN_RANDOM_H #include "random.h" long long random_include_left_right(long long left,long long right){srand((unsigned)time(NULL));return (rand() % (right - left +1))+ left; } int random_include_left_right(int left,int right){srand((unsigned)time(NULL));return (rand() % (right - left +1))+ left; } int random_only_include_left(int left,int right){srand((unsigned)time(NULL));return (rand() % (right - left))+ left; } int random_only_include_right(int left,int right){srand((unsigned)time(NULL));return (rand() % (right - left))+ left + 1; } int random_no_include_left_right(int left,int right){srand((unsigned)time(NULL));return (rand() % (right - left))+ left; }

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