askmingcle
askmingcle
采纳率0%
2016-03-16 15:14 阅读 1.5k

跪求大神啊,帮忙看看我POJ1007到底拿错了,纠结好几天啦

5

#include
#include
typedef struct tagDNA
{
char xulie[51];
int count;
}DNA;
int cmp(const void*a,const void*b)
{
return (*(DNA )a).count>((DNA *)b).count?1:-1;
}
int main()
{
int n,m,i,j,k;
DNA A[101],t;
scanf("%d%d",&n,&m);

 for(i=0;i<m;i++)
 scanf("%s",A[i].xulie);

 for(i=0;i<m;i++)
 {  
     for(j=0;j<n-1;j++)
       for(k=j+1;k<n;k++)
           if(A[i].xulie[j]>A[i].xulie[k]) A[i].count+=1;
 }

qsort(A,m,sizeof(A[0]),cmp);

 for(i=0;i<m;i++)printf("%s %d\n",A[i].xulie,A[i].count);

 return 0;


        //n是字符串的长度,而m是测试的数据

}
我的测试结果和正确答案一样,为什么显示WA

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5条回答 默认 最新

  • askmingcle askmingcle 2016-03-16 15:15

    后面的 输出长度是我自己加的,奇怪的是GGGGGGGGGG字符串的长度 居然是9;

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  • askmingcle askmingcle 2016-03-16 15:16

    Description

    One measure of unsortedness'' in a sequence is the number of pairs of entries that are out of order with respect to each other. For instance, in the letter sequenceDAABEC'', this measure is 5, since D is greater than four letters to its right and E is greater than one letter to its right. This measure is called the number of inversions in the sequence. The sequence AACEDGG'' has only one inversion (E and D)---it is nearly sorted---while the sequenceZWQM'' has 6 inversions (it is as unsorted as can be---exactly the reverse of sorted).

    You are responsible for cataloguing a sequence of DNA strings (sequences containing only the four letters A, C, G, and T). However, you want to catalog them, not in alphabetical order, but rather in order of sortedness'', frommost sorted'' to ``least sorted''. All the strings are of the same length.

    Input

    The first line contains two integers: a positive integer n (0 < n <= 50) giving the length of the strings; and a positive integer m (0 < m <= 100) giving the number of strings. These are followed by m lines, each containing a string of length n.

    Output

    Output the list of input strings, arranged from most sorted'' toleast sorted''. Since two strings can be equally sorted, then output them according to the orginal order.

    Sample Input
    10 6
    AACATGAAGG
    TTTTGGCCAA
    TTTGGCCAAA
    GATCAGATTT
    CCCGGGGGGA
    ATCGATGCAT

    Sample Output

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  • askmingcle askmingcle 2016-03-16 15:21

    为何这题显示WA,难道我还有没有那个地方没有考虑到吗

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  • liruoteng 上弦月t 2016-03-16 15:21

    using namespace std;
    int main()
    {
    int a, b;
    cin >> a >> b;
    char c[50];
    vector res[1225];
    for(int i=0; i
    {
    cin >> c;
    int re_num = 0;
    int A=0, C=0, G=0, T=0;
    for(int j=0; j
    {
    switch(c[j])
    {
    case 'A':
    re_num += (C+G+T);
    A++;
    break;
    case 'C':
    re_num += (G+T);
    C++;
    break;
    case 'G':
    re_num += T;
    G++;
    break;
    case 'T':
    T++;
    break;
    break;
    }
    }
    string temp = c;
    res[re_num].push_back(temp);
    }
    for(int i=0; i<1225; i++)
    {
    if(!res[i].empty())
    {
    vector::iterator it = res[i].begin();
    for(; it!=res[i].end(); it++)
    {
    cout << (*it) << endl;
    }
    }
    }
    return 0;
    }

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  • askmingcle askmingcle 2016-03-16 15:23

    大神,我没学过C++

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