3129926_ac_16ms_164k.c

北大大牛代码 1240道题的原代码 超级权威

#include <stdio.h>
#include <string.h>
#include <ctype.h>

int main()
{
	char str[500];
	int i, len;

	while(gets(str)!=NULL)
	{
		len = strlen(str);
		for(i = 0; i < len; i++)
		{
			if(str[i]==' ')
			{
				putchar(' ');
			}
			else
			{
				if(islower(str[i]))
				{
					if(str[i]=='d')
					{
						if(str[i+1]=='d')
						{
							putchar('p');
							i++;
							continue;
						}
					}
					if(str[i]=='e')
					{
						if(str[i+1]=='i'&&(i==0||str[i-1]!='c'))
						{
							printf("ie");
							i++;
							continue;
						}
					}
					if(str[i]=='p')
					{
						if(i+4<=len&&str[i+1]=='i'&&str[i+2]=='n'&&str[i+3]=='k')
						{
							printf("floyd");
							i += 3;
							continue;
						}
					}
					putchar(str[i]);
				}
				else
				{
					if(str[i]=='E')
					{
						if(i+3<=len&&str[i+1]=='O'&&str[i+2]=='F')
						{
							return 0;
						}
					}
				}
			}	
		}
		putchar('\n');
	}
	return 0;
}