제출 #1180939

#제출 시각아이디문제언어결과실행 시간메모리
1180939stdfloat벽 칠하기 (APIO20_paint)C++20
51 / 100
290 ms589824 KiB
#include <bits/stdc++.h> #include "paint.h" // #include "grader.cpp" using namespace std; int minimumInstructions(int n, int m, int K, vector<int> C, vector<int> A, vector<vector<int>> B) { vector<vector<int>> F(K); for (int i = 0; i < m; i++) { for (auto j : B[i]) F[j].push_back(i); } vector<vector<int>> P(n + 1, vector<int>(m)); for (int i = n - 1; i >= 0; i--) { for (auto j : F[C[i]]) P[i][j] = max(i, P[i + 1][(j + 1) % m]); } int r = INT_MIN, R = 0, cnt = 0; for (int i = 0; i < n; i++) { bool tr = false; for (auto j : F[C[i]]) tr |= (i + m - 1 <= P[i][j]); if (tr) r = i; if (R == i) { if (r + m <= R) return -1; cnt++; R = r + m; } } return cnt; }
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