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Cod sursa(job #277712)
#include<stdio.h>
int n,a[101][101];
void roy_floyd();
int main()
{int i,j;
freopen("royfloyd.in","rt",stdin);
freopen("royfloyd.out","wt",stdout);
scanf("%d",&n);
for(i=1;i<=n;++i)
for(j=1;j<=n;++j) scanf("%d",&a[i][j]);
roy_floyd();
for(i=1;i<=n;++i)
{for(j=1;j<=n;++j) printf("%d ",a[i][j]);
printf("\n");
}
return 0;
}
void roy_floyd()
{
for(int k=1;k<=n;++k)
for(int i=1;i<=n;++i)
for(int j=1;j<=n;++j)
if(a[i][j]>a[i][k]+a[k][j]&&i!=j&&a[i][j]&&a[i][k]&&a[k][j]) a[i][j]=a[i][k]+a[k][j];
}