1619 - 单词识别

A blockhouse is a small castle that has four openings through which to shoot.

a:2
blockhouse:1
castle:1
four:1
has:1
is:1
openings:1
shoot:1
small:1
that:1
through:1
to:1
which:1

Solution C

#include<stdio.h>
#include<string.h>
int main()
{
	char a[1001],b[500][30],c[30];
	int num[500];
	int i=0,j=0,k=0,count,temp;
	gets(a);
	while(a[i]!='\0')
	{   if(a[i]>=65&&a[i]<=90)
	      a[i]=a[i]+32;
		if(a[i]==' '||a[i]==','||a[i]=='.')
		{
			b[j][k]='\0';
			j++;
			k=0;
		}
		else
        {
			b[j][k]=a[i];
			k++;
		}
		i++;
	}
	b[j][k]='\0';
	count=j;
	for(i=0;i<=count;i++)
	{
		num[i]=1;
	}
	for(i=0;i<=count;i++)
	{
		if(b[i][0]=='\0')
			continue;
       for(j=i+1;j<=count;j++)
	   {     
		   
            if(strcmp(b[i],b[j])==0)
			{
				num[i]++;
				b[j][0]='\0';
			
			}
		
	   }
	}
	for(i=0;i<=count;i++)
	{
		if(b[i][0]=='\0')
			continue;
       for(j=i+1;j<=count;j++)
	   {   
			 if(strcmp(b[i],b[j])>0)
			{	
                 strcpy(c,b[i]);
				 strcpy(b[i],b[j]);
				 strcpy(b[j],c);
				 temp=num[i];
				 num[i]=num[j];
				 num[j]=temp;
			}
	   }
	}
    for(i=0;i<=count;i++)
	{
		if(b[i][0]!='\0')
		{   j=0;
			while(b[i][j]!='\0')
			{
				putchar(b[i][j]);
			    j++;
			}
			putchar(':');
			printf("%d\n",num[i]);
		}
		else
		{
			i++;
		}
	}
     return 0;
}

Solution C++

#include <cstdio>
#include <cstring>
#include <string>
#include <map>
using namespace std;

int main() {
    //freopen("data.in", "r", stdin);
    //freopen("data.out", "w", stdout);
    char s[1005];
    map < string, int > mp;
    while (gets(s)) {
        int len = strlen(s);
        for (int i = 0; i < len; ) {
            while (s[i] == ' ' || s[i] == '.' || s[i] == ',') ++i;
            string str = "";
            int j = i;
            while (j < len && s[j] != ' ' && s[j] != '.' && s[j] != ',') str += tolower(s[j++]);
            if (j != i)
                ++mp[str];
            i = j;
        }
    }
    for (map < string, int >::iterator it = mp.begin(); it != mp.end(); ++it)
        printf("%s:%d\n", it->first.c_str(), it->second);
    return 0;
}