//Lib
#include<cstdio>
#include<cstring>
#include<cstdlib>
#include<cmath>
#include<ctime>
#include<iostream>
#include<algorithm>
#include<vector>
#include<string>
#include<queue>
#include<stack>
#include<set>
//#include<map>
using namespace std;
//Macro
#define rep(i,a,b) for(int i=a,tt=b;i<=tt;++i)
#define drep(i,a,b) for(int i=a,tt=b;i>=tt;--i)
#define erep(i,e,x) for(int i=x;i;i=e[i].next)
#define irep(i,x) for(__typeof(x.begin()) i=x.begin();i!=x.end();i++)
#define read() (strtol(ipos,&ipos,10))
#define sqr(x) ((x)*(x))
#define pb push_back
#define PS system("pause");
typedef long long ll;
typedef pair<int,int> pii;
const int oo=~0U>>1;
const double inf=1e100;
const double eps=1e-6;
string name="", in=".in", out=".out";
//Var
int n,m;
int f[108][108],map[108][108];
ll c[108][108];
double ans[108];
void Work()
{
scanf("%d%d",&n,&m);
memset(f,55,sizeof f);
int x,y,z;
rep(i,1,m)
{
scanf("%d%d%d",&x,&y,&z);
f[x][y]=f[y][x]=map[x][y]=map[y][x]=z;
}
rep(k,1,n)rep(i,1,n)rep(j,1,n)
if(i!=j&&j!=k&&i!=k)
f[i][j]=min(f[i][j],f[i][k]+f[k][j]);
rep(i,1,n)rep(j,1,n)
if(map[i][j]==f[i][j])c[i][j]=1;
rep(k,1,n)rep(i,1,n)rep(j,1,n)
if(i!=j&&j!=k&&i!=k&&f[i][j]==f[i][k]+f[k][j])
c[i][j]+=c[i][k]*c[k][j];
rep(k,1,n)rep(i,1,n)rep(j,1,n)
if(i!=j&&j!=k&&i!=k&&f[i][j]==f[i][k]+f[k][j])
ans[k]+=(double)c[i][k]*c[k][j]/c[i][j];
rep(i,1,n)printf("%.3lf\n",ans[i]);
}
int main()
{
// freopen((name+in).c_str(),"r",stdin);
// freopen((name+out).c_str(),"w",stdout);
// Init();
Work();
return 0;
}
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