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#include <fstream>
std::ifstream f("royfloyd.in");
std::ofstream g("royfloyd.out");
const int NMAX = 110;
const int INF = (1LL << 20) - 1;
int n,a[NMAX][NMAX];
void royfloyd(){
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])
a[i][j] = a[i][k] + a[k][j];
}
}
int main(){
f >> n;
for(int i = 1;i <= n;++i)
for(int j = 1;j <= n;++j){
f >> a[i][j];
if(a[i][j] == 0)
a[i][j] = INF;
}
royfloyd();
for(int i = 1;i <= n;++i,g << '\n')
for(int j = 1;j <= n;++j)
g << a[i][j] << ' ';
return 0;
}