咕泡【24考研】數(shù)學全程班
It1的型別其實就是Int,it2的型別其實就是Teacher.
#define _CRT_SECURE_NO_WARNINGS#include<iostream>#include<vector>usingnamespace std;int main(){
? ?vector<int> v;
? ?for(int i =0; i <10;i ++){
? ? ? ?v.push_back(i);
? ? ? ?cout << v.capacity()<< endl;?更多見up公告? ?}
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