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好郁闷阿, 不知道为什么总是WA?那位牛人帮我看看?

Posted by shasha at 2005-10-20 15:09:09 on Problem 1230
#include< iostream.h >
#include< memory.h >

int istrue( int * , int );// 判断删除一个墙之后,是否符合条件
int main()
{
	int wall[ 101 ][ 2 ]; //记录每堵墙的起始位置
	int a[ 101 ];//a 记录每列要穿过的墙的个数,b[i]记录第i堵墙包含的超出范围的列的个数
	int test , Nwall , energy , min[101] ,  max[101] , inum;//test为测试的次数,Nwall墙的个数,energy每列能够穿过的最多的墙的个数
	                                           //min, max 记录每堵墙的起始位置
	cin >> test;
	for( int i = 0; i < test; i ++ )
	{
		int  count = 0; //count 记录删除的墙的个数
		memset( a , 0 , 101 * sizeof( int ) );
		memset( min , 0 , 101 * sizeof( int ) );
		memset( max , 0 , 101 * sizeof( int ) );
		memset( wall , 0 , 202 * sizeof( int ) );
		cin >> Nwall >> energy;
		for( int j = 0; j < Nwall; j ++ ) 
		{
			for( int i = 0; i < 2; i ++)
			{
				cin >> wall[ j ][ i ];
				cin >> inum;
			}
			if( wall[ j ][ 0 ] <= wall[ j ][ 1 ] )
			{
			   	min[ j ] = wall[ j ][ 0 ];
			   	max[ j ] = wall[ j ][ 1 ];
			}
		    else
			{
		    	min[ j ] = wall[ j ][ 1 ];
		    	max[ j ] = wall[ j ][ 0 ];
			}
			
		   	for( int k = min[ j ]; k <= max[ j ]; k ++ )
			   	a[ k ] ++;

		}      //输入数据,并处理:将每列的墙的个数保存在数组a中

	/*	for(j=0; j<Nwall; j++)
        	cout<<min[j]<<" "<<max[j]<<" * ";
			cout<<a[j]<<" * ";
		cout<<endl;*/
		
		for(j=0; j<101; j++)
		{
			if(a[j]>energy)
			{
				int m=-1, idex;
				for(int h=0; h<101; h++)
					if(j>=min[h]&&j<=max[h]&&max[h]>m)
					{
						m=max[h];
						idex=h;
					}
				for(int k=min[idex]; k<=max[idex]; k++)
				{
					a[k]--;
				}
				min[idex]=-1;
				max[idex]=-1;
				count++;

			}
		}
			
	    cout << count << endl;
	}
	return 0;

}

int istrue( int* a,  int max )
{
	for( int i = 0; i < 101; i ++)
		if( a[ i ] > max )
			return 0;
	return 1;
}

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