freopen&加密 代码示例

#include<iostream>
#include<cmath>
using namespace std;
int main(){
	int i=0;
	string m;
	cin>>m;
	freopen("in.txt","w",stdout);
	cout<<m;
	freopen("in.txt","r",stdin);
	freopen("out.txt","w",stdout);
	while(cin>>m[i]){
		cout<<int(m[i])<<' ';
		i++;
	}
	return 0;
}