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Cod sursa(job #886870)
#include <stdio.h>
int t[101][101];
int main()
{
int n;
FILE * f;
FILE * g;
g = fopen("royfloyd.out", "w");
f = fopen("royfloyd.in", "r");
fscanf(f, "%d", &n);
for(int i=1; i<=n; i++)
{
for(int j=1; j<=n; j++)
{
fscanf(f, "%d", &t[i][j]);
if((t[i][j] == 0)&&(i!=j)) t[i][j] = 9999;
}
}
for(int k=1; k<=n; k++)
{
for(int i=1; i<=n; i++)
{
for(int j=1; j<=n; j++)
{
if(t[i][j] > t[i][k] + t[k][j]) t[i][j] = t[i][k] + t[k][j];
}
}
}
for(int i=1; i<=n; i++)
{
for(int j=1; j<=n; j++)
{
fprintf(g, "%d ", t[i][j]);
}
fprintf(g, "\n");
}
}