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Re:求教Floyed RuntimeErr问题In Reply To:求教Floyed RuntimeErr问题 Posted by:supersense at 2009-09-15 15:03:20 > 为什么我的代码老是runtimeerror,诸位指教一下,谢过~
> #include <stdio.h>
> #define INT_MAX 200000
>
> int cost[100][100];
> int shortest[100][100];
>
> void floyed(int n)
> {
> int i,j,k;
> for(i=1;i<=n;i++)
> for(j=1;j<=n;j++)
> {
> shortest[i][j]=cost[i][j];
> }
>
> for(k=1;k<=n;k++)
> for(i=1;i<=n;i++)
> for(j=1;j<=n;j++)
> {
> if(shortest[i][j]>(shortest[i][k]+shortest[k][j]))
> {
> shortest[i][j]=shortest[i][k]+shortest[k][j];
> }
> }
> }
>
> int main()
> {
>
> int i,j,min_max,min,end,temp,n,m,num;
>
> while(1)
> {
> for(i=0;i<100;i++)
> for(j=0;j<100;j++)
> {
> if(i==j)
> {
> cost[i][j]=0;
> }
> else
> {
> cost[i][j]=INT_MAX;
> }
> }
> scanf("%d",&num);
>
> if(num!=0)
> {
> n=num;
> i=1;
> while(n)
> {
> scanf("%d",&m);
> while(m)
> {
> scanf("%d",&j);
> scanf("%d",&cost[i][j]);
> m--;
> }
> i++;
> n--;
> }
> floyed(num);
>
> min=INT_MAX;
> for(i=1;i<=num;i++)
> {
> min_max=0;
> for(j=1;j<=num;j++)
> {
> if(min_max<shortest[i][j])
> {
> min_max=shortest[i][j];
> temp=i;
> }
> }
>
> if(min>min_max)
> {
> min=min_max;
> end=temp;
> }
> }
> printf("%d %d\n",end,min);
> /*for(i=1;i<=num;i++)
> {
> for(j=1;j<=num;j++)
> printf("%d ",shortest[i][j]);
> printf("\n");
> }*/
> }
>
> else
> break;
> }
> return 0;
> }
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