数学 | 索尼子

//啤酒2元一瓶，四个瓶盖可换一瓶啤酒，2个空瓶也可换一瓶啤酒。10元最多可以喝多少瓶啤酒？
public class beer {
	public static final int INITIAL_MONEY = 10,  //题目说有10块钱
							CAPS_FOR_BEER = 4,   //题目说4个瓶盖可以换1瓶啤酒
							BOTTLES_FOR_BEER = 2,//题目说2个瓶子可以换1瓶啤酒
							BEER_PRICE = 2;      //啤酒2块钱1瓶
	public static void main(String[] args) {
		int drunk = 0,  //最开始还没喝酒，所以0瓶酒被喝了
			money = INITIAL_MONEY, //于是现在你有题目说的10块钱了
			bottles = 0, //还没有瓶子
			caps = 0;    //还没有盖子
		
		//如果还有钱买酒，或者还有足够的瓶盖，或者还有足够的瓶子，就继续去买酒
		while (money >= BEER_PRICE || caps >= CAPS_FOR_BEER || bottles >= BOTTLES_FOR_BEER){
			if (money >= BEER_PRICE){ //如果有足够的钱买酒
				money -= BEER_PRICE; //扣掉酒钱
			}else if(caps >= CAPS_FOR_BEER){ //如果有足够的瓶盖
				caps -= CAPS_FOR_BEER; //扣掉盖子
			}else if(bottles >= BOTTLES_FOR_BEER){ //如果有足够的瓶子
				bottles -= BOTTLES_FOR_BEER; //扣掉瓶子
			}
			
			//喝酒...
			drunk++;    //多喝了1瓶酒
			bottles++;  //多了1个空瓶子
			caps++;     //多了一个盖子
		}
		System.out.println("喝了" + drunk + "瓶\n"
						 + "还剩下" + caps + "个盖子\n"
						 + "还剩下" + bottles + "个瓶子\n"
						 + "还剩下" + money + "块钱。");
		/* 喝了15瓶
		 * 还剩下3个盖子
		 * 还剩下1个瓶子
		 * 还剩下0块钱。
		 */
	}

}

//啤酒2元一瓶，四个瓶盖可换一瓶啤酒，2个空瓶也可换一瓶啤酒。10元最多可以喝多少瓶啤酒？

public class beer {

public static final int INITIAL_MONEY = 10, //题目说有10块钱

CAPS_FOR_BEER = 4, //题目说4个瓶盖可以换1瓶啤酒

BOTTLES_FOR_BEER = 2,//题目说2个瓶子可以换1瓶啤酒

BEER_PRICE = 2; //啤酒2块钱1瓶

public static void main(String[] args) {

int drunk = 0, //最开始还没喝酒，所以0瓶酒被喝了

money = INITIAL_MONEY, //于是现在你有题目说的10块钱了

bottles = 0, //还没有瓶子

caps = 0; //还没有盖子

//如果还有钱买酒，或者还有足够的瓶盖，或者还有足够的瓶子，就继续去买酒

while (money >= BEER_PRICE || caps >= CAPS_FOR_BEER || bottles >= BOTTLES_FOR_BEER){

if (money >= BEER_PRICE){ //如果有足够的钱买酒

money -= BEER_PRICE; //扣掉酒钱

}else if(caps >= CAPS_FOR_BEER){ //如果有足够的瓶盖

caps -= CAPS_FOR_BEER; //扣掉盖子

}else if(bottles >= BOTTLES_FOR_BEER){ //如果有足够的瓶子

bottles -= BOTTLES_FOR_BEER; //扣掉瓶子

}

//喝酒...

drunk++; //多喝了1瓶酒

bottles++; //多了1个空瓶子

caps++; //多了一个盖子

}

System.out.println("喝了" + drunk + "瓶\n"

+ "还剩下" + caps + "个盖子\n"

+ "还剩下" + bottles + "个瓶子\n"

+ "还剩下" + money + "块钱。");

/* 喝了15瓶

* 还剩下3个盖子

* 还剩下1个瓶子

* 还剩下0块钱。

}

数学老师：「…」

$shit = [5.0,-4.0,-6.0,21.0,-2.0,3.0,4.0,-15.0,3.0,-7.0,-5.0,15.0]
puts "------------=========== step1 ===========------------"
puts "Solving"
puts "┌#{$shit[0]}x+#{$shit[1]}y+#{$shit[2]}z=#{$shit[3]}"
puts "├#{$shit[4]}x+#{$shit[5]}y+#{$shit[6]}z=#{$shit[7]}"
puts "└#{$shit[8]}x+#{$shit[9]}y+#{$shit[10]}z=#{$shit[11]}"
puts "------------===========step2-1===========------------"
puts "Ans："
puts "#{$shit[0]*$shit[4]}x+#{$shit[1]*$shit[4]}y+#{$shit[2]*$shit[4]}z=#{$shit[3]*$shit[4]}"
puts "-#{$shit[0]*$shit[4]}x-#{$shit[0]*$shit[5]}y-#{$shit[0]*$shit[6]}z=-#{$shit[0]*$shit[7]}"
puts "-----------------------------------------------------"
puts "#{($shit[1]*$shit[4])-($shit[0]*$shit[5])}y+#{($shit[2]*$shit[4])-($shit[0]*$shit[6])}z=#{($shit[3]*$shit[4])-($shit[0]*$shit[7])}"
puts "------------===========step2-2===========------------"
puts "#{$shit[8]*$shit[4]}x+#{$shit[5]*$shit[8]}y+#{$shit[6]*$shit[8]}z=#{$shit[7]*$shit[8]}"
puts "#{$shit[8]*$shit[4]}x+#{$shit[9]*$shit[4]}y+#{$shit[10]*$shit[4]}z=#{$shit[11]*$shit[4]}"
puts "-----------------------------------------------------"
puts "#{($shit[5]*$shit[8])-($shit[9]*$shit[4])}y+#{($shit[6]*$shit[8])-($shit[10]*$shit[4])}z=#{($shit[7]*$shit[8])-($shit[11]*$shit[4])}"
puts "------------=========== step3 ===========------------"
puts "Now we have:"
puts "┌#{($shit[1]*$shit[4])-($shit[0]*$shit[5])}y+#{($shit[2]*$shit[4])-($shit[0]*$shit[6])}z=#{($shit[3]*$shit[4])-($shit[0]*$shit[7])}"
puts "└#{($shit[5]*$shit[8])-($shit[9]*$shit[4])}y+#{($shit[6]*$shit[8])-($shit[10]*$shit[4])}z=#{($shit[7]*$shit[8])-($shit[11]*$shit[4])}"
puts "#{(($shit[1]*$shit[4])-($shit[0]*$shit[5]))*(($shit[5]*$shit[8])-($shit[9]*$shit[4]))}y+#{(($shit[2]*$shit[4])-($shit[0]*$shit[6]))*(($shit[5]*$shit[8])-($shit[9]*$shit[4]))}z=#{(($shit[3]*$shit[4])-($shit[0]*$shit[7]))*(($shit[5]*$shit[8])-($shit[9]*$shit[4]))}"
puts "-#{(($shit[5]*$shit[8])-($shit[9]*$shit[4]))*(($shit[1]*$shit[4])-($shit[0]*$shit[5]))}y-#{(($shit[6]*$shit[8])-($shit[10]*$shit[4]))*(($shit[1]*$shit[4])-($shit[0]*$shit[5]))}z=-#{(($shit[7]*$shit[8])-($shit[11]*$shit[4]))*(($shit[1]*$shit[4])-($shit[0]*$shit[5]))}"
puts "-----------------------------------------------------"
puts "#{(($shit[2]*$shit[4])-($shit[0]*$shit[6]))*(($shit[5]*$shit[8])-($shit[9]*$shit[4]))-(($shit[6]*$shit[8])-($shit[10]*$shit[4]))*(($shit[1]*$shit[4])-($shit[0]*$shit[5]))}z=#{(($shit[3]*$shit[4])-($shit[0]*$shit[7]))*(($shit[5]*$shit[8])-($shit[9]*$shit[4]))-(($shit[7]*$shit[8])-($shit[11]*$shit[4]))*(($shit[1]*$shit[4])-($shit[0]*$shit[5]))}"
puts "z=#{((($shit[3]*$shit[4])-($shit[0]*$shit[7]))*(($shit[5]*$shit[8])-($shit[9]*$shit[4]))-(($shit[7]*$shit[8])-($shit[11]*$shit[4]))*(($shit[1]*$shit[4])-($shit[0]*$shit[5])))/((($shit[2]*$shit[4])-($shit[0]*$shit[6]))*(($shit[5]*$shit[8])-($shit[9]*$shit[4]))-(($shit[6]*$shit[8])-($shit[10]*$shit[4]))*(($shit[1]*$shit[4])-($shit[0]*$shit[5])))}"
$z = ((($shit[3]*$shit[4])-($shit[0]*$shit[7]))*(($shit[5]*$shit[8])-($shit[9]*$shit[4]))-(($shit[7]*$shit[8])-($shit[11]*$shit[4]))*(($shit[1]*$shit[4])-($shit[0]*$shit[5])))/((($shit[2]*$shit[4])-($shit[0]*$shit[6]))*(($shit[5]*$shit[8])-($shit[9]*$shit[4]))-(($shit[6]*$shit[8])-($shit[10]*$shit[4]))*(($shit[1]*$shit[4])-($shit[0]*$shit[5])))
puts "Now we have z=#{$z}, start solving for y"
puts "------------=========== step4 ===========------------"
puts "#{($shit[1]*$shit[4])-($shit[0]*$shit[5])}y+#{($shit[2]*$shit[4])-($shit[0]*$shit[6])}*#{$z}=#{($shit[3]*$shit[4])-($shit[0]*$shit[7])}"
puts "#{($shit[1]*$shit[4])-($shit[0]*$shit[5])}y=#{($shit[3]*$shit[4])-($shit[0]*$shit[7])}-#{(($shit[2]*$shit[4])-($shit[0]*$shit[6]))*$z}"
puts "y=#{($shit[3]*$shit[4])-($shit[0]*$shit[7])-((($shit[2]*$shit[4])-($shit[0]*$shit[6])))*$z}/#{($shit[1]*$shit[4])-($shit[0]*$shit[5])}"
puts "y=#{(($shit[3]*$shit[4])-($shit[0]*$shit[7])-((($shit[2]*$shit[4])-($shit[0]*$shit[6])))*$z)/(($shit[1]*$shit[4])-($shit[0]*$shit[5]))}"
$y = (($shit[3]*$shit[4])-($shit[0]*$shit[7])-((($shit[2]*$shit[4])-($shit[0]*$shit[6])))*$z)/(($shit[1]*$shit[4])-($shit[0]*$shit[5]))
puts "Finally, we have y=#{$y} and z=#{$z}. Find the value of x."
puts "#{$shit[0]}x+#{$shit[1]}*#{$y}+#{$shit[2]}*#{$z}=#{$shit[3]}"
puts "#{$shit[0]}x=#{$shit[3]-$shit[1]*$y-$shit[2]*$z}"
puts "x=#{$shit[3]-$shit[1]*$y-$shit[2]*$z}/#{$shit[0]}"
puts "x=#{($shit[3]-$shit[1]*$y-$shit[2]*$z)/$shit[0]}"
$x = ($shit[3]-$shit[1]*$y-$shit[2]*$z)/$shit[0]
puts "==============Finally Ansewer=============="
puts "(#{$x},#{$y},#{$z})"
puts "==============Problem Solved!=============="

$shit = [5.0,-4.0,-6.0,21.0,-2.0,3.0,4.0,-15.0,3.0,-7.0,-5.0,15.0]

puts "------------=========== step1 ===========------------"

puts "Solving"

puts "┌#{$shit[0]}x+#{$shit[1]}y+#{$shit[2]}z=#{$shit[3]}"

puts "├#{$shit[4]}x+#{$shit[5]}y+#{$shit[6]}z=#{$shit[7]}"

puts "└#{$shit[8]}x+#{$shit[9]}y+#{$shit[10]}z=#{$shit[11]}"

puts "------------===========step2-1===========------------"

puts "Ans："

puts "#{$shit[0]*$shit[4]}x+#{$shit[1]*$shit[4]}y+#{$shit[2]*$shit[4]}z=#{$shit[3]*$shit[4]}"

puts "-#{$shit[0]*$shit[4]}x-#{$shit[0]*$shit[5]}y-#{$shit[0]*$shit[6]}z=-#{$shit[0]*$shit[7]}"

puts "-----------------------------------------------------"

puts "#{($shit[1]*$shit[4])-($shit[0]*$shit[5])}y+#{($shit[2]*$shit[4])-($shit[0]*$shit[6])}z=#{($shit[3]*$shit[4])-($shit[0]*$shit[7])}"

puts "------------===========step2-2===========------------"

puts "#{$shit[8]*$shit[4]}x+#{$shit[5]*$shit[8]}y+#{$shit[6]*$shit[8]}z=#{$shit[7]*$shit[8]}"

puts "#{$shit[8]*$shit[4]}x+#{$shit[9]*$shit[4]}y+#{$shit[10]*$shit[4]}z=#{$shit[11]*$shit[4]}"

puts "-----------------------------------------------------"

puts "#{($shit[5]*$shit[8])-($shit[9]*$shit[4])}y+#{($shit[6]*$shit[8])-($shit[10]*$shit[4])}z=#{($shit[7]*$shit[8])-($shit[11]*$shit[4])}"

puts "------------=========== step3 ===========------------"

puts "Now we have:"

puts "┌#{($shit[1]*$shit[4])-($shit[0]*$shit[5])}y+#{($shit[2]*$shit[4])-($shit[0]*$shit[6])}z=#{($shit[3]*$shit[4])-($shit[0]*$shit[7])}"

puts "└#{($shit[5]*$shit[8])-($shit[9]*$shit[4])}y+#{($shit[6]*$shit[8])-($shit[10]*$shit[4])}z=#{($shit[7]*$shit[8])-($shit[11]*$shit[4])}"

puts "#{(($shit[1]*$shit[4])-($shit[0]*$shit[5]))*(($shit[5]*$shit[8])-($shit[9]*$shit[4]))}y+#{(($shit[2]*$shit[4])-($shit[0]*$shit[6]))*(($shit[5]*$shit[8])-($shit[9]*$shit[4]))}z=#{(($shit[3]*$shit[4])-($shit[0]*$shit[7]))*(($shit[5]*$shit[8])-($shit[9]*$shit[4]))}"

puts "-#{(($shit[5]*$shit[8])-($shit[9]*$shit[4]))*(($shit[1]*$shit[4])-($shit[0]*$shit[5]))}y-#{(($shit[6]*$shit[8])-($shit[10]*$shit[4]))*(($shit[1]*$shit[4])-($shit[0]*$shit[5]))}z=-#{(($shit[7]*$shit[8])-($shit[11]*$shit[4]))*(($shit[1]*$shit[4])-($shit[0]*$shit[5]))}"

puts "-----------------------------------------------------"

puts "#{(($shit[2]*$shit[4])-($shit[0]*$shit[6]))*(($shit[5]*$shit[8])-($shit[9]*$shit[4]))-(($shit[6]*$shit[8])-($shit[10]*$shit[4]))*(($shit[1]*$shit[4])-($shit[0]*$shit[5]))}z=#{(($shit[3]*$shit[4])-($shit[0]*$shit[7]))*(($shit[5]*$shit[8])-($shit[9]*$shit[4]))-(($shit[7]*$shit[8])-($shit[11]*$shit[4]))*(($shit[1]*$shit[4])-($shit[0]*$shit[5]))}"

puts "z=#{((($shit[3]*$shit[4])-($shit[0]*$shit[7]))*(($shit[5]*$shit[8])-($shit[9]*$shit[4]))-(($shit[7]*$shit[8])-($shit[11]*$shit[4]))*(($shit[1]*$shit[4])-($shit[0]*$shit[5])))/((($shit[2]*$shit[4])-($shit[0]*$shit[6]))*(($shit[5]*$shit[8])-($shit[9]*$shit[4]))-(($shit[6]*$shit[8])-($shit[10]*$shit[4]))*(($shit[1]*$shit[4])-($shit[0]*$shit[5])))}"

$z = ((($shit[3]*$shit[4])-($shit[0]*$shit[7]))*(($shit[5]*$shit[8])-($shit[9]*$shit[4]))-(($shit[7]*$shit[8])-($shit[11]*$shit[4]))*(($shit[1]*$shit[4])-($shit[0]*$shit[5])))/((($shit[2]*$shit[4])-($shit[0]*$shit[6]))*(($shit[5]*$shit[8])-($shit[9]*$shit[4]))-(($shit[6]*$shit[8])-($shit[10]*$shit[4]))*(($shit[1]*$shit[4])-($shit[0]*$shit[5])))

puts "Now we have z=#{$z}, start solving for y"

puts "------------=========== step4 ===========------------"

puts "#{($shit[1]*$shit[4])-($shit[0]*$shit[5])}y+#{($shit[2]*$shit[4])-($shit[0]*$shit[6])}*#{$z}=#{($shit[3]*$shit[4])-($shit[0]*$shit[7])}"

puts "#{($shit[1]*$shit[4])-($shit[0]*$shit[5])}y=#{($shit[3]*$shit[4])-($shit[0]*$shit[7])}-#{(($shit[2]*$shit[4])-($shit[0]*$shit[6]))*$z}"

puts "y=#{($shit[3]*$shit[4])-($shit[0]*$shit[7])-((($shit[2]*$shit[4])-($shit[0]*$shit[6])))*$z}/#{($shit[1]*$shit[4])-($shit[0]*$shit[5])}"

puts "y=#{(($shit[3]*$shit[4])-($shit[0]*$shit[7])-((($shit[2]*$shit[4])-($shit[0]*$shit[6])))*$z)/(($shit[1]*$shit[4])-($shit[0]*$shit[5]))}"

$y = (($shit[3]*$shit[4])-($shit[0]*$shit[7])-((($shit[2]*$shit[4])-($shit[0]*$shit[6])))*$z)/(($shit[1]*$shit[4])-($shit[0]*$shit[5]))

puts "Finally, we have y=#{$y} and z=#{$z}. Find the value of x."

puts "#{$shit[0]}x+#{$shit[1]}*#{$y}+#{$shit[2]}*#{$z}=#{$shit[3]}"

puts "#{$shit[0]}x=#{$shit[3]-$shit[1]*$y-$shit[2]*$z}"

puts "x=#{$shit[3]-$shit[1]*$y-$shit[2]*$z}/#{$shit[0]}"

puts "x=#{($shit[3]-$shit[1]*$y-$shit[2]*$z)/$shit[0]}"

$x = ($shit[3]-$shit[1]*$y-$shit[2]*$z)/$shit[0]

puts "==============Finally Ansewer=============="

puts "(#{$x},#{$y},#{$z})"

puts "==============Problem Solved!=============="

3元1次方程解决方案——shit!（众：你这笨蛋真是无聊透顶了. .

索尼子

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分类目录归档：数学

意义不明数学题-2

意义不明数学题-1

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