计算两个分数的和。输入数据时,用四个整数a,b,c,d分别表示两个分数的...
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发布时间:2024-03-23 00:54
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热心网友
时间:2024-08-16 22:42
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:2024-08-16 22:43
a dangerous habit: before the loading chest pocket hard object
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, of course, normal driving is nothing dangerous.
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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.
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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
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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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时间:2024-08-16 22:41
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