Submission #122740

#	Time	Username	Problem	Language	Result	Execution time	Memory
122740		popovicirobert	Tales of seafaring (POI13_mor)	C++14	100 / 100	2598 ms	117768 KiB

mor

#include <bits/stdc++.h>
#define lsb(x) (x & (-x))
#define ll long long
#define ull unsigned long long
// 217
// 44

/*
const int MOD = ;

inline void mod(int &x) {
    if(x >= MOD)
        x -= MOD;
}

inline void add(int &x, int y) {
    x += y;
    mod(x);
}

inline void sub(int &x, int y) {
    x += MOD - y;
    mod(x);
}


inline void mul(int &x, int y) {
    x = (1LL * x * y) % MOD;
}
*/

using namespace std;

const int MAXN = 5000;

vector <int> g[MAXN + 1];
short dp[MAXN + 1][MAXN + 1][2];

int main() {
    //ifstream cin("A.in");
    //ofstream cout("A.out");
    int i, j, n, m, k;
    ios::sync_with_stdio(false);
    cin.tie(0), cout.tie(0);

    cin >> n >> m >> k;

    for(i = 1; i <= m; i++) {
        int x, y;
        cin >> x >> y;
        g[x].push_back(y);
        g[y].push_back(x);
    }

    queue < pair <int, int> > Q;

    for(i = 1; i <= n; i++) {
        for(j = 1; j <= n; j++) {
            dp[i][j][0] = dp[i][j][1] = -1;
        }

        Q.push({i, 0});
        dp[i][i][0] = 0;

        while(Q.size()) {
            auto cur = Q.front();
            Q.pop();

            for(auto it : g[cur.first]) {
                if(dp[i][it][cur.second ^ 1] == -1) {
                    dp[i][it][cur.second ^ 1] = dp[i][cur.first][cur.second] + 1;
                    Q.push({it, cur.second ^ 1});
                }
            }
        }
    }

    while(k--) {
        int x, y, d;
        cin >> x >> y >> d;

        if(dp[x][y][d & 1] != -1 && ((dp[x][y][d & 1] < d && g[y].size()) || dp[x][y][d & 1] == d)) {
            cout << "TAK\n";
        }
        else {
            cout << "NIE\n";
        }
    }
    //cin.close();
    //cout.close();
    return 0;
}

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 10 / 10