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求教Floyed RuntimeErr问题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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