Submission #399418

#	Time	Username	Problem	Language	Result	Execution time	Memory
399418		proma	Painting Walls (APIO20_paint)	C++17	12 / 100	42 ms	9932 KiB

paint

#include <bits/stdc++.h>

using namespace std;

int minimumInstructions (int N, int M, int K, vector <int> C, vector <int> A, vector <vector<int>> B) {
    int P[N], L[N], G[N+M], pos[K];

    memset(pos, -1, sizeof(pos));
    for (int i = 0; i < M; i ++) {
        for (int j = 0; j < A[i]; j ++) {
            pos[B[i][j]] = i;
        }
    }

    memset(P, 0, sizeof(P));
    int lft = 0;
    if (pos[C[0]] == -1) return -1;
    for (int y = 1; y < N; y ++) {
        if (pos[C[y]] == -1) return -1;
        if (pos[C[y]] != (pos[C[y-1]] + 1) % M) {
            for (int i = lft; i <= y - M; i ++) {
                P[i] = 1;
            }
            lft = y;
        }
    }

    for (; lft <= N - M; lft ++)
        P[lft] = 1;

    if (P[0]) L[0] = 0;
    else return -1;
    for (int i = 1; i < N; i ++) {
        if (P[i]) L[i] = i;
        else L[i] = L[i-1];
    }


    memset(G, 0, sizeof(G));
    for (int i = N - 1; i >= 0; i --) {
        if (i - L[i] >= M) {
            return -1;
        }
        G[i] = 1 + G[L[i] + M];
    }

    return G[0];
}
/*
void solve () {
    int N, M, K;
    vector <int> C, A;
    vector <vector<int>> B;

    cin >> N >> M >> K;

    C.resize(N);
    A.resize(M);
    B.resize(M);

    for (int i = 0; i < N; i ++) {
        cin >> C[i];
    }
    for (int i = 0; i < M; i ++) {
        cin >> A[i];
        B[i].resize(A[i]);
        for (int j = 0; j < A[i]; j ++) {
            cin >> B[i][j];
        }
    }

    cout << minimumInstructions(N, M, K, C, A, B) << endl;
}

int main () {

    solve();

    return 0;
}
*/

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