Submission #676445

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
676445	2022-12-30 23:01:32	bogdanvladmihai	Toll (BOI17_toll)	C++14	100 / 100	318 ms	84588 KiB

toll

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#include <bits/stdc++.h>
using namespace std;
#define int long long
const int INF = (int)1e9;
int K, N, M, Q;
vector<vector<vector<vector<int>>>> dp;
signed main() {
    cin >> K >> N >> M >> Q;
    dp.resize((N / K + 1) + 2, vector<vector<vector<int>>>(ceil(log2(N / K)) + 3, 
                            vector<vector<int>>(K, vector<int>(K, INF))));
    for (int i = 0; i < M; i++) {
        int a, b, c; cin >> a >> b >> c;
        dp[a / K][0][a % K][b % K] = c;
    }
    for (int l = 1; (1 << (l - 1)) <= (N + K - 1) / K; l++) {
        for (int g = 0; g + (1 << l) < (N + K - 1) / K; g++) {
            for (int x = 0; x < K; x++) {
                for (int y = 0; y < K; y++) {
                    for (int z = 0; z < K; z++) {
                        dp[g][l][x][y] = min(dp[g][l][x][y], 
                                            dp[g][l - 1][x][z] + dp[g + (1 << (l - 1))][l - 1][z][y]);
                    }
                }
            }
 
 
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• Subtask 1: 7 / 7
• Subtask 2: 10 / 10
• Subtask 3: 8 / 8
• Subtask 4: 31 / 31
• Subtask 5: 44 / 44