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1.vector::pop_back()
删除vector的最后一个元素,vector的大小减一,删了的元素被销毁。
2.vector::erase()
iterator erase (iterator position); iterator erase (iterator first, iterator last);//这个删除的范围是左闭右开 //C++11要求形参是const迭代器 iterator erase (const_iterator position); iterator erase (const_iterator first, const_iterator last);//这个删除的范围是左闭右开
// example// erasing from vector#include#include int main (){ std::vector myvector; // set some values (from 1 to 10) for (int i=1; i<=10; i++) myvector.push_back(i); // erase the 6th element myvector.erase (myvector.begin()+5); // erase the first 3 elements: myvector.erase (myvector.begin(),myvector.begin()+3); std::cout << "myvector contains:"; for (unsigned i=0; i
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