设计门户网站/南宁seo教程
for (auto it1 = vec_in.begin(); it1 != vec_in.end(); ) {cout << *it1<<" ";if (*it1 == 2) {it1 = vec_in.erase(it1);}else {it1++;}}
erase会返回下一个有效的迭代器
for (auto it1 = vec_in.begin(); it1 != vec_in.end(); ) {cout << *it1<<" ";if (*it1 == 2) {it1 = vec_in.erase(it1);}else {it1++;}}
erase会返回下一个有效的迭代器