Submission #1226051

#	Time	Username	Problem	Language	Result	Execution time	Memory
1226051		sokratisi	Painting Walls (APIO20_paint)	C++20	0 / 100	0 ms	324 KiB

paint

#include "paint.h"
#include <vector>
#include <set>
#include <cstdio>

using namespace std;

int constofcolor[100005];

int minimumInstructions(int n, int m, int k, vector<int> c, vector<int> a, vector<vector<int>> b) {
    for (int i = 0; i < k; i++) constofcolor[i] = -1;
    for (int i = 0; i < m; i++) {
        for (int j = 0; j < a[i]; j++) {
            constofcolor[b[i][j]] = i;
        }
    }
    int cur = constofcolor[c[0]];
    int init = 0;
    int ans = 0;
    if (cur == -1) return -1;
    for (int i = 1; i < n; i++) {
        cur++;
        cur %= m;
        if (cur != constofcolor[c[i]]) {
            if (i - init < m || constofcolor[c[i]]) return -1;
            ans += (i - init - 1)/m + 1;
            init = i;
            cur = constofcolor[c[i]];
        }
    }
    if (n < init < m) return -1;
    ans += (n - init - 1)/m + 1;
    return ans;
}

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