摘要: 其实就是模拟二项式分布 for (int i = 0; i < MAX; i ++) { for (int j = 0; j <= i; j ++) { if (!j) c[i][j] = 1; else c[i][j] = (c[i - 1][j - 1] + c[i - 1][j]) % MOD 阅读全文
posted @ 2022-09-30 12:05 nobodyL 阅读(23) 评论(0) 推荐(0)