This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
#define f first
#define s second
#define m_p make_pair
#define vec vector
#define sz(x) (int)(x).size()
#define all(x) (x).begin(),(x).end()
#define rall(x) (x).rbegin(),(x).rend()
#define fast_rmi ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
using namespace std;
signed main(){
fast_rmi;
int n,m;
cin>>n>>m;
vec<array<int,4>>arr(m);
vec<array<int,4>>arrt(m);
for(auto &z : arr){
cin>>z[0]>>z[1]>>z[2]>>z[3];
if(z[3]==1)
z[2]=z[2]-1;
// cout<<"L R "<<z[0]<<' '<<z[1]<<' '<<z[2]<<' '<<"TYPE "<<z[3]<<endl;
}
auto brute=[&](){
for(int mask=0;mask<(1<<n);mask++){
vec<int>a(n);
for(int i=0;i<n;i++){
if(mask&(1<<i))
a[i]=1;
else
a[i]=0;
}
auto check=[&](){
int ok=1;
for(auto &z : arr){
int cnt=0;
for(int i=z[0];i<=z[1];i++)
cnt+=(!a[i]);
if(z[3])
ok&=(cnt<=z[2]);
else{
ok&=(cnt>=z[2]);
}
}
return ok;
};
if(check()){
return a;
}
}
return vec<int>();
};
if(n<=18){
vec<int> ans=brute();
if(!sz(ans)){
cout<<-1;
return 0;
}
for(auto &z : ans)
cout<<z<<' ';
return 0;
}
arrt=arr;
vec<int> a(n,-1);
for(int i=0;i<m;i++){
int l=arr[i][0];
int r=arr[i][1];
int k=arr[i][2];
int t=arr[i][3];
if(k==0 && t==1){
for(int i=l;i<=r;i++){
if(a[i]==0){
cout<<-1;
return 0;
}
a[i]=1;
}
}
else if(k==r-l+1 && t==0){
for(int i=l;i<=r;i++){
if(a[i]==1){
cout<<-1;
return 0;
}
a[i]=0;
}
}
}
sort(all(arr));
auto check=[&](){
int ok=1;
for(auto &z : arr){
if(z[2]==z[1]-z[0] && z[3]==1){
int kk=0;
for(int i=z[0];i<=z[1];i++){
kk|=(a[i]==1);
}
if(!kk){
for(int i=z[0];i<=z[1];i++){
if(a[i]==-1 && !kk){
kk=1;
a[i]=1;
}
}
}
if(!kk)
return 0;
}
else if(z[3]==0 && z[2]==1){
int kk=0;
for(int i=z[0];i<=z[1];i++){
kk|=(a[i]==0);
}
if(!kk){
for(int i=z[0];i<=z[1];i++){
if(a[i]==-1 && !kk){
kk=1;
a[i]=0;
}
}
}
if(!kk)
return 0;
}
}
return ok;
};
if(!check()){
cout<<-1;
}
else
for(auto &z : a){
if(z==-1)
z=0;
cout<<z<<' ';
}
return 0;
}
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