cpp
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int MAXN = 200005;
ll diff[MAXN];
int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int n, m;
    if (!(cin >> n >> m)) return 0;
    for (int i = 0; i < m; ++i) {
        int l, r, v;
        cin >> l >> r >> v;
        diff[l] += v;
        diff[r + 1] -= v;
    }
    ll current_seats = 0;
    for (int i = 1; i <= n; ++i) {
        current_seats += diff[i];
        cout << current_seats << (i == n ? "" : " ");
    }
    cout << "\n";
    return 0;
}