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HDU 4287 Intelligent IME（map运用）

2024-09-16 21:53:57   215人阅读

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题目链接：http://acm.hdu.edu.cn/showproblem.php?pid=4287

Intelligent IME

Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)
Total Submission(s): 2091    Accepted Submission(s): 1031


Problem Description
　　We all use cell phone today. And we must be familiar with the intelligent English input method on the cell phone. To be specific, the number buttons may correspond to some English letters respectively, as shown below:
　　2 : a, b, c    3 : d, e, f    4 : g, h, i    5 : j, k, l    6 : m, n, o    
　　7 : p, q, r, s  8 : t, u, v    9 : w, x, y, z
　　When we want to input the word “wing”, we press the button 9, 4, 6, 4, then the input method will choose from an embedded dictionary, all words matching the input number sequence, such as “wing”, “whoi”, “zhog”. Here comes our question, given a dictionary, how many words in it match some input number sequences?


 

Input
　　First is an integer T, indicating the number of test cases. Then T block follows, each of which is formatted like this:
　　Two integer N (1 <= N <= 5000), M (1 <= M <= 5000), indicating the number of input number sequences and the number of words in the dictionary, respectively. Then comes N lines, each line contains a number sequence, consisting of no more than 6 digits. Then comes M lines, each line contains a letter string, consisting of no more than 6 lower letters. It is guaranteed that there are neither duplicated number sequences nor duplicated words.
 

Output
　　For each input block, output N integers, indicating how many words in the dictionary match the corresponding number sequence, each integer per line.
 

Sample Input
1
3 5
46
64448
74
go
in
night
might
gn
 

Sample Output
3
2
0
 

Source
2012 ACM/ICPC Asia Regional Tianjin Online
 

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题目大意：手机键盘中与数字2相相应的字母有a,b,c；3相相应的字母有d，e，f。

给出一些数字串如34，和一些小写字母串。求小写字母相应的数字串出现的次数。

字符串abc相应的数字串是111。dh相应的数字串是34。则小写字符串中111出现一次，34出现一次。


代码例如以下：

#include <cstdio>
#include <cmath>
#include <cstring>
#include <string>
#include <cstdlib>
#include <climits>
#include <ctype.h>
#include <queue>
#include <stack>
#include <vector>
#include <deque>
#include <set>
#include <map>
#include <iostream>
#include <algorithm>
using namespace std;
#define PI acos(-1.0)
#define INF 0xffffff
map<int,int>mm;
int cnt[999999];
int main()
{
    
    mm[‘a‘]=mm[‘b‘]=mm[‘c‘]=2;
    mm[‘d‘]=mm[‘e‘]=mm[‘f‘]=3;
    mm[‘g‘]=mm[‘h‘]=mm[‘i‘]=4;
    mm[‘j‘]=mm[‘k‘]=mm[‘l‘]=5;
    mm[‘m‘]=mm[‘n‘]=mm[‘o‘]=6;
    mm[‘p‘]=mm[‘q‘]=mm[‘r‘]=mm[‘s‘]=7;
    mm[‘t‘]=mm[‘u‘]=mm[‘v‘]=8;
    mm[‘w‘]=mm[‘x‘]=mm[‘y‘]=mm[‘z‘]=9;
    int t,N,M,sum;
    int i,j,k;
    int a[5047],b[5047];
    char s[47];
    while(~scanf("%d",&t))
    {
        while(t--)
        {
            scanf("%d%d",&N,&M);
            memset(cnt,0,sizeof(cnt));
            for(i = 0 ; i < N ; i++ )
            {
                scanf("%d",&a[i]);
            //    printf("%d\n",a[i]);
            }
            for(i = 0 ; i < M ;i++)
            {
                scanf("%s",s);
                int len = strlen(s);
                sum = 0;
                for(j = 0 ; j < len ; j++)
                {
                    sum = sum*10+mm[s[j]];
                }
                cnt[sum]++;
            }
            int k = 0;
            for(i = 0 ; i < N ; i++)
            {
                printf("%d\n",cnt[a[i]]);
            }

        }
    }
    return 0;
    
}


HDU 4287 Intelligent IME（map运用）


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