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#include <cstdio>
#include <algorithm>
int dp[128][128];
int n{};
int main(){
freopen("royfloyd.in", "r", stdin);
freopen("royfloyd.out", "w", stdout);
scanf("%d", &n);
for (int i = 0; i < n; ++i)
{
for (int j = 0; j < n; ++j)
scanf("%d", &dp[i][j]);
}
for (int k = 0; k < n; ++k) // phase loop - dp[i][j] for any vertices i and j stores the length of the shortest path
// between the vertex i and vertex j, which contains only the vertices {1,2,...,k?1}
//as internal vertices in the path
{
for (int i = 0; i < n; ++i)
for (int j = 0; j < n; ++j)
if (dp[i][k] && dp[k][j])
dp[i][j] = std::min(dp[i][j], dp[i][k] + dp[k][j]);
}
for (int i = 0; i < n; ++i)
{
for (int j = 0; j < n; ++j)
printf("%d ", dp[i][j]);
printf("\n");
}
return 0;
}