a065: 提款卡密碼 FYI: https://yunlinsong.blogspot.com/2014/09/blog-post.html

a065.cpp

#include <iostream>
using namespace std;

int main(int argc, char** argv) {
	string s = "";
	
	while(cin >> s) 
	{
		char c = s[0];
		
		for(int i = 1; i < s.size(); i++) {
			int code = c - s[i];
			if(code < 0)
				code = -code;
			cout << code;
			c = s[i];
		}
		
		cout << endl;
	}

	return 0;
}