Submission #711475

#	Time	Username	Problem	Language	Result	Execution time	Memory
711475		Nursik	Restore Array (RMI19_restore)	C++14	100 / 100	306 ms	824 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 = 1e4 + 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 dp[maxn];
vector<pair<pair<int, int>, int>> edge;
int bellman_ford(){
    for (int i = 0; i <= n; ++i){
        dp[i] = inf;
    }
    int last = -1;
    dp[0] = 0;
    for (int i = 1; i <= n + 1; ++i){
        last = -1;
        for (auto it : edge){
            int x = it.f.f, y = it.f.s, z = it.s;
            if (dp[x] != inf && dp[y] > dp[x] + z){
                dp[y] = dp[x] + z;
                last = i;
            }
        }
    }
    //cout << "ok\n";
    return (last == n + 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){
        int l, r, k, val;
        cin >> l >> r >> k >> val;
        r++;
        k = r - l - k;
        if (val == 1){
            ++k;
            edge.pb(mp(mp(r, l), -k));
         //   cout << r << " " << l << " " << -k << '\n';
        }
        else{
            edge.pb(mp(mp(l, r), k));
        //    cout << l << " " << r << " " << k << '\n';
        }
    }
    for (int i = 1; i <= n; ++i){
        edge.pb(mp(mp(i, i - 1), 0));
   //     cout << i << " " << i - 1 << " " << 0 << '\n';
        edge.pb(mp(mp(i - 1, i), 1));
   //     cout << i - 1 << " " << i << " " << 1 << '\n';
    }
    if (bellman_ford()){
        cout << -1;
        exit(0);
    }
    for (int i = 1; i <= n; ++i){
        cout << dp[i] - dp[i - 1] << " ";
    } 
}
/*
pref[r] - pref[l] >= k
pref[l] - pref[r] <= -k

pref[r] - pref[l] <= k;

p[i - 1] - p[i] <= 0
p[i] - p[i - 1] <= 1
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: 55 / 55