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scanf("%*c%c %d")报错,scanf("%s %d")0MS通过,没天理啊

Posted by 1006840622 at 2013-04-06 21:53:05 on Problem 1251
//Prim算法
#include<stdio.h>
#include<string.h>

int AdjMatrix[27][27];//0不用
int vexnum;
int Flag[27];
int CloseEdge[27];//0不用

void AdjustClE(int vex)
{
	CloseEdge[vex]=200;
	Flag[vex]=0;
	for(int i=1;i<=vexnum;i++)
	{
		if(Flag[i])
		{
			if(AdjMatrix[i][vex]<CloseEdge[i])
				CloseEdge[i]=AdjMatrix[i][vex];
		}
	}
}
int GetMin()
{
	int index=0;
	for(int i=1;i<=vexnum;i++)
	{
		if(Flag[i]&&!index)index=i;
		if(Flag[i]&&(CloseEdge[index]>CloseEdge[i]))index=i;
	}
	return index;
}
void init()
{
	for(int i=0;i<27;i++)
	{
		Flag[i]=1;CloseEdge[i]=200;
	}
	for(int i=0;i<27;i++)
		for(int j=0;j<27;j++)
			AdjMatrix[i][j]=200;
}
int main()
{
	int N,K,row,col,sum;
	char vex[2];
	while(1)
	{
		sum=0;
		init();
		scanf("%d",&N);
		if(0==N) return 0;
		vexnum=N;
		while(--N)
		{
			scanf("%s %d",vex,&K);
			row=vex[0]-'A'+1;
			int wet;
			while(K--)
			{
				scanf("%s %d",&vex,&wet);
				col=vex[0]-'A'+1;
				AdjMatrix[row][col]=wet;
				AdjMatrix[col][row]=wet;
			}
		}
		int index=1;
		for(int i=1;i<vexnum;i++)
		{
			AdjustClE(index);
			index=GetMin();
			//printf("%d\n",index);
			sum+=CloseEdge[index];
		}
		printf("%d\n",sum);
	}
}

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