Code:
#include#include #include #include using namespace std;const int maxn = 2000;int arr[maxn];int random(int n){ return (long long) rand() * rand() % n; } //生成一个 0 ~ n 的随机数int main(){ srand((unsigned) time(0)); //随机数种子}
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Code:
#include#include #include #include using namespace std;const int maxn = 2000;int arr[maxn];int random(int n){ return (long long) rand() * rand() % n; } //生成一个 0 ~ n 的随机数int main(){ srand((unsigned) time(0)); //随机数种子}
转载于:https://www.cnblogs.com/guangheli/p/9845137.html