1058.cpp

zju_acm部分代码！都是自己做 有些事基本题目！题目还可以

#include <cstdio>
float muti(float a, float b)
{
	float temp  = a * b;
	int carry ,temp_inte;
	temp_inte = (int)(temp * 1000) ;
	carry = temp_inte%10 ;
	if(carry>=5)
		temp =(float)( (int)(temp_inte/10) +1 )/100 ;
	else temp = (float)((int)(temp_inte/10))/100;
	return temp ;
}
int main()
{
//	FILE *f;
//	f = fopen("1.txt","r");
	int N;
	int j;
//	fscanf(f,"%d",&N);
	scanf("%d",&N);
	while(j<N)
	{
		float a[6][6];
		int i,k;
		for( i = 1 ; i <= 5; i++)
			for( k = 1 ; k<= 5 ; k++)
				//fscanf(f,"%f",&a[i][k]);
					scanf("%f",&a[i][k]);
			int n;
			int c[12];
			c[ 0 ] = 1 ;
			float money;
			while(1==scanf("%d",&n)&&n)
			{
				for( i= 1 ; i <= n ; i++)
					scanf("%d",&c[i]);
				c[n+1] = 1 ;
				scanf("%f",&money);

				for(i = 0 ; i<=n;i++)
						 money = muti( a[ c[i] ][ c[i+1] ]	, money ); 	
								printf("%.2f\n",money);
			}
		
		if(j!=N-1)
			printf("\n");
		j++;
	}
	return 0 ;
}