for (set<int>::iterator it = S.begin(); it != S.end(); ++it)
* printf("%d\n", *it);
转载于:https://www.cnblogs.com/xzx-1228/p/10940011.html
for (set<int>::iterator it = S.begin(); it != S.end(); ++it)
* printf("%d\n", *it);
转载于:https://www.cnblogs.com/xzx-1228/p/10940011.html