#include <bits/stdc++.h>
#include <atcoder/all>
using namespace atcoder;
using namespace std;
using ll=long long;
using ld=long double;
ld pie=3.141592653589793;
ll mod=1000000007;
ll inf=10090000000000000;
int main(){
    ll n,q;
    cin >> n >> q;
    vector<ll>x(q),s(q),t(q);
    priority_queue<pair<ll,ll>,vector<pair<ll,ll>>,greater<pair<ll,ll>>>pq;
    for (ll i = 0; i < q; i++)
    {
        cin >> x[i] >> s[i]>> t[i];
        x[i]--;
        pq.push({s[i],1});
        pq.push({t[i],-1});
    }
    ld y=0;
    vector<ld>memo(100001,-1);
    while (!pq.empty())
    {
        pair<ll,ll>p=pq.top();
        pq.pop();
        y+=p.second;
        if (y==0)
        {
            memo[p.first]=0;
            continue;
        }
        memo[p.first]=1.0/y;
    }
    for (ll i = 1; i < memo.size(); i++)
    {
        if (memo[i]==-1)
        {
            memo[i]=memo[i-1];
        }
    }
    vector<ld>wa(memo.size(),0);
    wa[0]=memo[0];
    for (ll i = 1; i < wa.size(); i++)
    {
        wa[i]=wa[i-1]+memo[i];
    }
    vector<ld>ans(n,0);
    for (ll i = 0; i < q; i++)
    {
        if (s[i]==0)
        {
            ans[x[i]]+=wa[t[i]-1];
        }else{
            ans[x[i]]+=wa[t[i]-1]-wa[s[i]-1];
        }
    }
    for (ll i = 0; i < n; i++)
    {
        cout << setprecision(100) << ans[i] << endl;
    }
    
}