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#include <fstream>
#include <iostream>
#include <vector>
#include <bitset>
#include <string.h>
#include <algorithm>
#include <iomanip>
#include <math.h>
#include <time.h>
#include <stdlib.h>
#include <set>
#include <map>
#include <string>
#include <queue>
#include <deque>
using namespace std;
const char infile[] = "royfloyd.in";
const char outfile[] = "royfloyd.out";
ifstream fin(infile);
ofstream fout(outfile);
const int MAXN = 105;
const int oo = 0x3f3f3f3f;
typedef vector<int> Graph[MAXN];
typedef vector<int> :: iterator It;
const inline int min(const int &a, const int &b) { if( a > b ) return b; return a; }
const inline int max(const int &a, const int &b) { if( a < b ) return b; return a; }
const inline void Get_min(int &a, const int b) { if( a > b ) a = b; }
const inline void Get_max(int &a, const int b) { if( a < b ) a = b; }
int N, A[MAXN][MAXN];
const int lim = (1 << 20);
char buff[lim];
int pos;
inline void get(int &x) {
x = 0;
while(!('0' <= buff[pos] && buff[pos] <= '9'))
if(++ pos == lim) {
fread(buff, 1, lim, stdin);
pos = 0;
}
while('0' <= buff[pos] && buff[pos] <= '9') {
x = x * 10 + buff[pos] - '0';
if(++ pos == lim) {
fread(buff, 1, lim, stdin);
pos = 0;
}
}
}
int main() {
freopen(infile, "r", stdin);
get(N);
for(int i = 1 ; i <= N ; ++ i)
for(int j = 1 ; j <= N ; ++ j) {
get(A[i][j]);
if(i == j)
continue;
if(!A[i][j])
A[i][j] = oo;
}
for(int k = 1 ; k <= N ; ++ k)
for(int i = 1 ; i <= N ; ++ i)
for(int j = 1 ; j <= N ; ++ j)
A[i][j] = min(A[i][j], A[i][k] + A[k][j]);
for(int i = 1 ; i <= N ; ++ i, fout << '\n')
for(int j = 1 ; j <= N ; ++ j) {
if(A[i][j] == oo)
A[i][j] = 0;
fout << A[i][j] << ' ';
}
fin.close();
fout.close();
return 0;
}