计算两个分数的和。输入数据时,用四个整数a,b,c,d分别表示两个...

发布网友发布时间：2024-10-22 08:09

共4个回答

热心网友时间：2024-11-20 11:08

由于本人是C++的，第一题只好用c++写……
思路是用模拟的办法，用boolean数组表示是否报数，
一个指针指向队列并且用一个变量计数，数到3的boolean计数标为1（已报数）；如果指针超出了剩下的人数就回到1.C++代码如下
int num=8,i;
int map[9]={0,1,2,3,4,5,6,7,8};
bool b[9]={};
while(num>=1)
{
i=1;
while(i<3)
{
if(b[i]==0) i=i+1;
if(i>num) i=1;
}
b[i]=1;
printf("->%d",map[i]);
num=num-1;
}
第二题就是一个快排，用两个数组分别记录学号和成绩，先对成绩进行快排，注意在调换成绩的时候学号和成绩的位置要一起调整；第二次再快排一遍，在分数相同的部分进行学号的调整（也就是附加一个分数相同的判断）。这样的时间复杂度和编程复杂度适中……

第三题也是可以模拟，先把分母相乘，分子也要呈上相应的数字后相加，得出来的结果除以然后把新的分子和分母用辗转相除法（见参考资料这里不多论述）约去最大公约数；或者是先把分母通分再做，操作次数会增加但是减小了一些数据规模

这种方法要求用的变量数据规模比较大；

热心网友时间：2024-11-20 11:13

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热心网友时间：2024-11-20 11:09

a dangerous habit: before the loading chest pocket hard object

many men like to be installed in the jacket mouth daily, for example, cell phone, keys, pens or business card holder and the like. Of course, normally this is not right, but if in the car, may hold the great danger.

, of course, normal driving is nothing dangerous.

But once an accident, even if only the emergency brake, your body will surely violently forward, the role of the seat belt, you will be tightly reined. In other words,Louis Vuitton LV Monogram, seat belt on your body's pressure, and at this time if your cell phones before the chest pocket filled with a hard object, it is very likely to brutally harm, such as: broken ribs.

experts suggested that in order to avoid such accidents, as long as the drive before looking through the pockets, the pockets, especially the chest pocket of thing before, especially out of some hard object, in the car can be a reliable place , not much time to waste.

dangerous habit 2: Department of hard,lv handbags, thin and with a metal belt buckle

believe that every man will be tied around the waist belt,New lv handbags, but if your system is kind of hard, thin, and a belt with metal buckle, you drive out of an accident increases when a certain amount of \. Belt is located in the abdomen, it is seat belt through the place. When an accident occurs, slender, with a metal belt buckle under in the seat belt, deep pressure to your abdomen, it will exacerbate damage your internal organs.

the experts suggest that men in the car, especially the open long-distance truck, the best off his belt, being replaced with a soft cloth with a click.

dangerous habit 3: misplacing debris inside the trunk

Some men careless, often will make a mess of the car. Especially driving wagon or MPV, SUV? Because such vehicles take space and luggage compartment space is connected, if you put junk back seat, the luggage compartment into a \cover fixed the debris. At this point, the danger came. Usually the car's rear trunk space is the so-called \However, if there is a very full your heap in case of accidents,mbt shoes sale, the impact of these forces under debris in a short time will become a \Well aware of your own.

how to do? Quickly get rid of the bad habits it cluttered. If something must be placed inside the trunk, remember to use nets with a certain fixed up.

dangerous habit 4: The head or lean out the window

head out of windows while driving will spit, this is individual behavior. First of all, this behavior is uncivilized and should be resisted; and from the car's safety it is even more cause for concern. In your head poked out the window the moment, but if sped off from the next car is likely to make your head hurt.

solve the above problem is simple to prepare a garbage bag in the car will spit in it, get off and then throw it in the trash.

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热心网友时间：2024-11-20 11:09

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