Submission #685332

#	Time	Username	Problem	Language	Result	Execution time	Memory
685332		Nursik	Painting Walls (APIO20_paint)	C++17	0 / 100	1 ms	212 KiB

paint

#include "paint.h"

#include <vector>
#include <iostream>
#include <set>
#include <map>
#include <cmath>

using namespace std;

const int maxn = 1e6 + 200, maxm = 1e3 + 200, inf = 1e9;

int n, m, k;
int cnt[maxn];
int minimumInstructions(int N, int M, int K, vector<int> C, vector<int> A, vector<vector<int>> B) {
    n = N, m = M, k = K;
    for (int i = 0; i < k; ++i){
        cnt[i] = -1;
    }
    for (int i = 0; i < m; ++i){
        for (auto it : B[i]){
            cnt[it] = i;
        }
    }
    for (int i = 0; i < n; i += m){
        int x = cnt[C[i]];
        if (x == -1){
            return -1;
        }
        int y = 0;
        while (y < m){
            int ok = 0;
            for (auto it : B[x]){
                if (it == C[y + i]){
                    ok = 1;
                    break;
                }
            }
            if (ok == 0){
                return -1;
            }
            x = (x + 1) % m;
        }
    }
    return (n + m - 1) / m;
}

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