#include <bits/stdc++.h>
using namespace std;
#define all(v) (v).begin(),(v).end()
#define pb(a) push_back(a)
#define rep(i, n) for(int i=0;i<n;i++)
#define foa(e, v) for(auto& e : v)
using ll = long long;
const ll MOD7 = 1000000007, MOD998 = 998244353, INF = (1LL << 60);
#define dout(a) cout<<fixed<<setprecision(10)<<a<<endl;

using ld = long double;
int main() {
    cin.tie(0);
    ios::sync_with_stdio(false);

    int n, q;
    cin >> n >> q;
    vector<ld> sum(100001, (ld)0);
    vector<ld> ans(n, (ld)0);
    vector<int> cnt(100001, 0);
    vector<int> I(q), s(q), t(q);
    rep(i, q) {
        cin >> I[i] >> s[i] >> t[i];
        I[i]--;
        cnt[s[i]] ++;
        cnt[t[i]] --;
    }
    for(int i = 0; i < 100000; i ++) cnt[i + 1] += cnt[i];
    for(int i = 0; i < 100000; i ++) if(cnt[i]) sum[i] = (ld)1 / (ld)cnt[i];
    for(int i = 0; i < 100000; i ++) sum[i + 1] += sum[i];

    rep(i, q) {
        ans[I[i]] += sum[t[i] - 1] - (s[i] == 0 ? (ld)0 : sum[s[i] - 1]); 
    }
    rep(i, n) dout(ans[i]);


    
    return 0;
}