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#include <fstream>
#define NMAX 104
#define INF 10000000
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n;
int A[NMAX][NMAX];
void init();
void roy_floyd();
void afisare();
int main(){
init();
roy_floyd();
afisare();
return 0;
}
void init(){
fin>>n;
int i, j;
for(i = 1; i <= n; ++i)
for(j = 1; j <= n; ++j)
A[i][j] = INF;
for(i = 1; i <= n; ++i){
for(j = 1; j <= n; ++j)
fin>>A[i][j];
}
}
void roy_floyd(){
int i, j, k;
for (k = 1; k <= n; k++)
for (i = 1; i <= n; i++)
for (j = 1; j <= n; j++)
if (A[i][k] && A[k][j] && (A[i][j] > A[i][k] + A[k][j]) && i != j) A[i][j] = A[i][k] + A[k][j];
}
void afisare(){
int i, j;
for(i = 1; i<= n ; ++i){
for(j = 1; j<= n; ++j)
fout<<A[i][j]<<" ";
fout<<'\n';
}
}