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#include <stdio.h>
int n,i,j,k,mat[101][101];
int main()
{
FILE *f1,*f2;
f1=fopen("royfloyd.in","r");
f2=fopen("royfloyd.out","w");
fscanf(f1,"%d",&n);
for(i=0;i<n;i++)
for(j=0;j<n;j++)
fscanf(f1,"%d",&mat[i][j]);
for(k=0;k<n;k++)
for(i=0;i<n;i++)
if(i!=k)
{
for(j=0;j<n;j++)
if(j!=i && mat[i][j]>mat[i][k]+mat[k][j] && mat[i][k]!=0 && mat[k][j]!=0)
mat[i][j]=mat[i][k]+mat[k][j];
}
for(i=0;i<n;i++)
{
for(j=0;j<n;j++)
fprintf(f2,"%d ",mat[i][j]);
fprintf(f2,"\n");
}
return 0;
}