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poj 2328 Guessing Game

這道題很水,我開始想的太複雜,WA了很多次。。。

不過最後還是被我磨AC了。。。


AC的代碼(簡單版):

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

char words[10]; //stan's words
int low;  //記錄中間可行的數
int high;

void init()
{
	low=0;
	high=11;
}

int main()
{
	int num;
	int i;
	char tmp[10];

	init();

	while(scanf("%d",&num) && num!=0)
	{
		scanf("%s",tmp);
		scanf("%s",words);

		if(strcmp(words,"high")==0)
		{
			if(num<high)
				high=num;
		}

		else if(strcmp(words,"low")==0)
		{
			if(num>low)
				low=num;
		}

		else if(strcmp(words,"on")==0)
		{
			if(num<=low || num>=high)
				printf("Stan is dishonest\n");

			else
				printf("Stan may be honest\n");

			//重新初始化下一輪遊戲
			init();
		}
	}

	return 0;
}



AC的代碼(複雜版):

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

char words[10]; //stan's words
int flag[11];//為1代表已排除
bool result;
int low;  //記錄中間可行的數
int high;

void init()
{
	memset(flag,0,sizeof(flag));
	result=false; //已得出撒謊的結果則為true
	low=0;
	high=11;
}

int main()
{
	int num;
	int i;
	char tmp[10];

	init();

	while(scanf("%d",&num) && num!=0)
	{
		scanf("%s",tmp);
		scanf("%s",words);

		if(result==false && strcmp(words,"high")==0)
		{
			//就是說這個之上的數不可能了
			for(i=num;i<=10;i++)
			{
				//說他too high,發現之前說他太低
				if(flag[i]==1)
					result=true;
				flag[i]=2;
			}

			if(num<high)
				high=num;
		}

		else if(result==false && strcmp(words,"low")==0)
		{
			//之下的數不可能了
			for(i=1;i<=num;i++)
			{
				if(flag[i]==2)
					result=true;
				flag[i]=1;
			}

			if(num>low)
				low=num;
		}

		else if(strcmp(words,"on")==0)
		{
			if(result==true)
				printf("Stan is dishonest\n");

			else if(num<=low || num>=high)
				printf("Stan is dishonest\n");

			else
				printf("Stan may be honest\n");

			//重新初始化下一輪遊戲
			init();
		}
	}

	return 0;
}





最後更新:2017-04-03 05:39:54

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