#define _CRT_SECURE_NO_WARNINGS
#include <bits/stdc++.h>
#include <unordered_map>
#include <unordered_set>
#define ll long long
#define ld long double
#define pl pair<ll, ll>
#define vi vector<ll>
#define vii vector<vi>
#define vc vector<char>
#define vcc vector<vc>
#define vp vector<pl>
#define mi map<ll,ll>
#define mc map<char,int>
#define sortx(X) sort(X.begin(),X.end());
#define all(X) X.begin(),X.end()
#define allr(X) X.rbegin(),X.rend()
#define ln '\n'
#define YES {cout << "Alice\n"; return;}
#define NO {cout << "Bob\n"; return;}
#define MUN {cout << "-1\n"; return;}
const int MODE = 1e9 + 7;
using namespace std;
const ll INF = 1e16;
#define INF 1e16
class Graph {
public:
int size;
vector<vector<pl>> adj;
void addEdge(int u, ll v, ll w) {
adj[u].push_back({v, w});
}
bool spfa(int s, vi &dist) { /// Shortest Path Faster Algorithm
vi cnt(size+1);
vi inq(size+1);
for(int i=0; i<size; i++) {
dist[i] = INF;
cnt[i] = 0; inq[i] = 0;
}
queue<int> q;
dist[s] = 0;
q.push(s); inq[s] = 1;
while (!q.empty()) {
int v = q.front();
q.pop(); inq[v] = 0;
for(auto e : adj[v]) {
int u = e.first, w = e.second;
if(dist[v] + w < dist[u]) {
dist[u] = dist[v] + w;
if(dist[u] < 0 ) return false; /// optimization for TLE.
if(!inq[u]) {
q.push(u); inq[u] = 1;
cnt[u]++;
if(cnt[u]>size) return false;
}
}
}
}
return true;
}
Graph(ll n) {
size = n;
adj.resize(n + 1);
}
};
void solve(int tc) {
ll n, m;
cin >> n >> m;
Graph gr(n+1);
for (int i = 1; i <= n; i++)
{
gr.addEdge(0, i, i);
gr.addEdge(i, i-1, 0);
gr.addEdge(i-1, i, 1);
}
for (int i = 0; i < m; i++)
{
ll l, r, k, v;
cin >> l >> r >> k >> v;
l++, r++;
ll len = r - l + 1;
if (v == 0) {
gr.addEdge(l-1, r, len - k);
} else {
gr.addEdge(r, l-1, k-len-1);
}
}
vi P(n+1);
auto cyc = gr.spfa(0, P);
if (!cyc) {
cout << "-1\n";
return;
}
for (int i = 1; i <= n; i++)
{
cout << P[i]-P[i-1] << ' ';
}
cout << '\n';
}
int main()
{
ios_base::sync_with_stdio(false), cin.tie(nullptr), cout.tie(nullptr);
int size = 1;
//freopen("input.txt", "r", stdin);
//freopen("output.txt", "w", stdout);
// cin >> size;
for (int i = 1; i <= size; i++)
solve(i);
}
