A739.鸡兔同笼

A739.鸡兔同笼
难度：入门
来源：官方

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AC代码（C/C++）:

#include <bits/stdc++.h>
#define _INT_MAX 2147483647
#define _LONG_LONG_MAX 9223372036854775807
#define _MATH_DEFINES_DEFINED
// #define debug freopen("in.txt","r",stdin), freopen("out.txt","w",stdout);
#define ZERO 0
#define B 2
#define CHARCTER ""
#define CHARCTER_SPACE " "
#define CHARACTER_LINE_BREAK "\n"
// #pragma GCC optimize("O2")
using namespace std;
void _Output(int _print, string _plus);
void _Output(int _print, string _plus) {
	cout << _print << _plus; }
int main(void) {
	ios::sync_with_stdio(false);
	cin.tie(ZERO);
	cout.tie(ZERO);
	int x, y;
	cin >> x >> y;
	int t = (y - x * B) / B;
	_Output(x - t, CHARACTER_LINE_BREAK);
	_Output(t, CHARCTER_SPACE);
	return ZERO; }

没有注释，自行学习。
by：ጿ ኈ ቼ ዽ ጿ

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