string和int的相互转换方法

string转为int

string str = "100000";
	stringstream ss;
	ss << str;
	int i;
	ss >> i;
	printf("%d", i);

int转为string

#include<bits/stdc++.h>
using namespace std;
int main()
{
	int m = 1000;
	string str = to_string(m);
	cout << str;
}