Doing......

#include <bits/stdc++.h>
#include <bits/stdc++.h>
#include <bits/stdc++.h>
#include <limits.h>     
//INT_MAX的头文件#include <iostream>#include <sstream>#include <unordered_map>#include <algorithm>

int a1 = 0;
cin >> a1;
string a2 = 0;
cin >> a2;

char arr[100];
cin.getline(arr, 10);	//获取第10个字符之前，指针现在指在第10个字符那里
cout << arr << endl;

string _string;			//获取整行元素
getline(cin, _string);	
cout << _string << endl;

string s;
getline(cin, s);
stringstream ss(s);

vector<string> res;
vector<int> resTemp;
res.clear();
string temp;
while (getline(ss, temp, ','))
{
	res.push_back(temp);
	resTemp.push_back(stoi(temp, 0));
}

//二维数组的输入
//2 3
//110 100
void arry2input() {

	int rows = 0;
	int cols = 0;
	cout << "请输入行" << endl;
	cin >> rows;
	cout << "请输入列" << endl;
	cin >> cols;
	vector<vector<int>>array;//定义二维数组
	vector<int>v;
	array.clear();
	int temp = 0;
	//在cin后面使用getline：需要忽略换行符后可以读取数据
	
	cin.ignore();
	cout << "请输入数值" << endl;  //连续的 111 000 111
	//char num[100];
	//cin.getline(num, rows*cols);
	string num;
	getline(cin, num);
	for (int i = 0; i < rows; i++) {
		v.clear();
		for (int j = 0; j < cols; j++) {
			v.push_back(num[i++] - '0');
		}
		array.push_back(v);
	}
}