Submission #710947

#	Time	Username	Problem	Language	Result	Execution time	Memory
710947		Nursik	Restore Array (RMI19_restore)	C++14	45 / 100	143 ms	596 KiB

restore

#include <iostream>
#include <fstream>
#include <iomanip>
#include <vector>
#include <set>
#include <map>
#include <cstring>
#include <string>
#include <cmath>
#include <cassert>
#include <ctime>
#include <algorithm>
#include <sstream>
#include <list>
#include <queue>
#include <deque>
#include <stack>
#include <cstdlib>
#include <cstdio>
#include <iterator>
#include <functional>
#include <unordered_set>
#include <unordered_map>
#include <stdio.h>
#include <bitset>
#include <cstdint>
#include <cassert>
#include <functional>
#include <complex>
#include <random>
 
using namespace std;
 
#define ll long long
#define pb push_back
#define mp make_pair
#define f first
#define s second
#define ld long double
 
const ll maxn = 5e3 + 1, maxm = 1e4 + 1;
const ll mod = 1e9 + 7, cmod = 998244353, inf = 1e9, block = 5000, p2 = 31, bit = 30;
const ld eps = 1e-9;

int n, m;
int l[maxm], r[maxm], k[maxm], value[maxm], ans[maxn], used[maxn];
int pref[maxn];
int subtask1 = 1, subtask2 = 1;
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0); 
    cout.tie(0);
    cin >> n >> m;
    for (int i = 1; i <= m; ++i){
        cin >> l[i] >> r[i] >> k[i] >> value[i];
        subtask1 &= (k[i] == 1);
        subtask2 &= (k[i] == 1 || k[i] == r[i] - l[i] + 1);
    }
    if (n <= 18){
    for (int i = 0; i < (1 << n); ++i){
        for (int j = 0; j < n; ++j){
            if ((1 << j) & i){
                pref[j] += 1;
            }
            if (j){
                pref[j] += pref[j - 1];
            }
        }
        int bad = 0;
        for (int j = 1; j <= m; ++j){
            int dig = pref[r[j]] - (l[j] - 1 >= 0 ? pref[l[j] - 1] : 0);
            int len = r[j] - l[j] + 1;
            if (len - dig + 1 <= k[j]){
                if (value[j] == 0){
                    bad = 1;
                }
            }
            else{
                if (value[j] == 1){
                    bad = 1;
                }
            }
        }
        if (!bad){
            for (int j = 0; j < n; ++j){
                cout << (((1 << j) & i) > 0) << " ";
            }
            exit(0);
        }
        for (int j = 0; j < n; ++j){
            pref[j] = 0;
        }
    }
    cout << -1;
    exit(0);
    }
    if (subtask1){
        for (int i = 1; i <= m; ++i){
            if (value[i] == 1){
                for (int j = l[i]; j <= r[i]; ++j){
                    ans[j] = 1;
                }
            }
        }
        for (int i = 1; i <= m; ++i){
            if (value[i] == 0){
                int ok = 0;
                for (int j = l[i]; j <= r[i]; ++j){
                    if (ans[j] == 0){
                        ok = 1;
                    }
                }
                if (!ok){
                    cout << -1;
                    exit(0);
                }
            }
        }
        for (int i = 0; i < n; ++i){
            cout << ans[i] << " ";
        }
        exit(0);
    }
    if (subtask2){
        for (int i = 1; i <= m; ++i){
            if (value[i] == 1 && k[i] == 1){
                for (int j = l[i]; j <= r[i]; ++j){
                    ans[j] = 1;
                    used[j] = 1;
                }
            }
            if (value[i] == 0 && k[i] == r[i] - l[i] + 1){
                for (int j = l[i]; j <= r[i]; ++j){
                    ans[j] = 0;
                    used[j] = 1;
                }
            }
        }
        int bad = 0;
        for (int i = 1; i <= m; ++i){
            if (value[i] == 1 && k[i] == r[i] - l[i] + 1){
                int ok = 0;
                for (int j = l[i]; j <= r[i]; ++j){
                    if (ans[j] == 1){
                        ok = 1;
                    }
                }
                if (!ok){
                    for (int j = l[i]; j <= r[i]; ++j){
                        if (used[j] == 0){
                            ans[j] = 1;
                            ok = 1;
                            used[j] = 1;
                            break;
                        }
                    }
                }
                if (!ok){
                    bad = 1;
                }
            }
        }
        for (int i = 1; i <= m; ++i){
            if (value[i] == 0 && k[i] == 1){
                int ok = 0;
                for (int j = l[i]; j <= r[i]; ++j){
                    if (ans[j] == 0){
                        ok = 1;
                    }
                }
                if (!ok){
                    bad = 1;
                }
            }
            if (value[i] == 1 && k[i] == 1){
                int ok = 1;
                for (int j = l[i]; j <= r[i]; ++j){
                    if (ans[j] == 0){
                        ok = 0;
                    }
                }
                if (!ok){
                    bad = 1;
                }
            }
            if (value[i] == 0 && k[i] == r[i] - l[i] + 1){
                int ok = 1;
                for (int j = l[i]; j <= r[i]; ++j){
                    if (ans[j] == 1){
                        ok = 0;
                    }
                }
                if (!ok){
                    bad = 1;
                }
            }
            if (value[i] == 1 && k[i] == r[i] - l[i] + 1){
                int ok = 0;
                for (int j = l[i]; j <= r[i]; ++j){
                    if (ans[j] == 1){
                        ok = 1;
                    }
                }
                if (!ok){
                    bad = 1;
                }
            }
        }
        if (bad){
            cout << -1;
            exit(0);
        }
        for (int i = 0; i < n; ++i){
            cout << ans[i] << " ";
        }
    }
}
/*


ajj, ajj, ajj, ajj, aj, aj, aj, aj, aj, aj, ak, ak, ak, ak, ak, ai, ai, ai
 */

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