摘要：D. Soldier and Number Game time limit per test 3 seconds memory limit per test 256 megabytes input standard input output standard output D. Soldier an 阅读全文

摘要：void init_prim(){ memset(visit, true, sizeof(visit)); int num = 0; for (int i = 2; i <= 1000000; ++i) { if (visit[i] == true) ... 阅读全文