Submission #1310502

#	Time	Username	Problem	Language	Result	Execution time	Memory
1310502		M_SH_O	Painting Walls (APIO20_paint)	C++20	0 / 100	1 ms	576 KiB

paint

/*#pragma GCC optimize("O3")
#pragma GCC optimization("Ofast,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")*/
#include <bits/stdc++.h>
#include "paint.h"
/*#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>*/
#define ll long long
#define ll1 long long
#define ull unsigned long long
#define dou long double
#define str string
#define vll vector<ll>
#define vi vector<int>
#define pll pair<ll, ll>
#define vpll vector<pair<ll, ll>>
#define vbool vector<bool>
#define vstr vector<str>
#define vvll vector<vll>
#define pb push_back
#define pf push_front
#define endl "\n"
#define fr first
#define se second
// #define sortcmp(a) sort(a.begin(), a.end(), cmp)
#define sort(a) sort(a.begin(), a.end())
#define reverse(a) reverse(a.begin(), a.end())
#define speed ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0)
#define ordered_set tree<ll, null_type, less_equal<ll>, rb_tree_tag, tree_order_statistics_node_update>

using namespace std;
//using namespace __gnu_pbds;

const ll INF = 1e18+7;
const int lg = 20;
//const ll MOD = 1e9+7;
const ll MOD2 = 998244353;

mt19937 rng(1488);
ll randll(ll l, ll r) {
    return uniform_int_distribution<ll>(l, r)(rng);
}

int minimumInstructions(int n, int m, int k, vi c, vi a, vector<vi> b) {
    vll dp(n+7, INF);
    dp[0] = 0;
    vector<set<ll>> v(m);
    for (int i = 0; i < m; i ++) {
        for (int j : b[i]) {
            v[i].insert(j);
        }
    }
    for (int i = m; i <= n; i ++) {
        ll minl = INF;
        for (int j = i-m; j < i; j ++) {
            minl = min(minl, dp[j]);
        }
        for (int j = 0; j < m; j ++) {
            ll x = j, y = i-1;;
            bool q = 1;
            for (int k = 0; k < m; k ++, x = (x-1+m)%m, y --) {
                if (v[x].find(c[y]) == v[x].end()) {
                    q = 0;
                    break;
                }
            }
            if (q) {
                dp[i] = minl+1;
                break;
            }
        }
    }

    if (dp[n] == INF) return -1;
    return dp[n];
}

/*int main(){
    speed;
    srand(time(0));

    cout << minimumInstructions(5, 4, 4, {1, 0, 1, 2, 2}, {2, 1, 1, 1}, {{0, 1}, {1}, {2}, {3}}) << endl;
}*/

• Subtask 1: 0 / 12
• Subtask 2: 0 / 15
• Subtask 3: 0 / 13
• Subtask 4: 0 / 23
• Subtask 5: 0 / 37