Submission #198085

#	Time	Username	Problem	Language	Result	Execution time	Memory
198085		model_code	Restore Array (RMI19_restore)	C++17	20 / 100	128 ms	764 KiB

restore

/**
* user:  vukelic-2d0
* fname: Mateja
* lname: Vukelic
* task:  restore
* score: 20.0
* date:  2019-10-10 06:43:39.802357
*/
#include <bits/stdc++.h>
#define pb push_back
using namespace std;
struct upit{
    int l,r,k,val;
};
vector<upit>v;
int n,m;
int poj1 = 0;
int pojk = 0;
int suff[5005];
void check(int x){
    for(int i=0; i<=n; i++)suff[i] = 0;
    vector<int>cif;
    for(int i=0; i<n; i++){
        if((1<<i)&x){
            cif.pb(1);
            suff[n-i-1]++;
        }
        else cif.pb(0);
        suff[n-i-1] += suff[n - i];
    }
    reverse(cif.begin(), cif.end());
    for(auto c:v){
        int koja;
        int kolko = suff[c.l] - suff[c.r + 1];
        int br0 = c.r - c.l + 1 - kolko;
        if(c.k <= br0)koja = 0;
        else koja = 1;
        if(koja != c.val){
            return;
        }
    }
    for(auto p:cif)cout << p << " ";
    exit(0);
}
int niz[5005];
void check2(){
    for(int i=n-1; i>=0; i--){
        if(niz[i] == 1)suff[i]++;
        suff[i] += suff[i + 1];
    }
    for(auto c:v){
        int koja;
        int kolko = suff[c.l] - suff[c.r + 1];
        int br0 = c.r - c.l + 1 - kolko;
        if(c.k <= br0)koja = 0;
        else koja = 1;
        if(koja != c.val){
            return;
        }
    }
    for(int i=0; i<n; i++)cout << niz[i] << " ";
    exit(0);
}
bool use[5005];
int main()
{
    ios_base::sync_with_stdio(false);
    cin >> n >> m;
    for(int i=0; i<m; i++){
        int a,b,c,d;
        cin >> a >> b >> c >> d;
        v.pb({a,b,c,d});
        if(c == 1)poj1++;
        else if(c == b-a + 1)pojk++;
    }
    if(n <= 18){
        for(int i=0; i<(1<<n); i++){
            check(i);
        }
        cout << -1 << endl;
        return 0;
    }
    if(poj1 == m){
        for(auto c:v){
            if(c.val == 1){
                for(int i=c.l; i<=c.r; i++)niz[i] = 1;
            }
        }
        check2();
        cout << -1;
        return 0;
    }
    if(poj1 + pojk == m){

    }
    return 0;
}
/*
4 5
0 1 2 1
0 2 2 0
2 2 1 0
0 1 1 0
1 2 1 0
*/

• Subtask 1: 7 / 7
• Subtask 2: 13 / 13
• Subtask 3: 0 / 25
• Subtask 4: 0 / 55