Submission #586903

#	Time	Username	Problem	Language	Result	Execution time	Memory
586903		eecs	Tenis (COI19_tenis)	C++17	30 / 100	1092 ms	6268 KiB

tenis

#include <bits/stdc++.h>
using namespace std;

const int maxn = 100010;
int n, q, p[3][maxn], tmp[3][maxn];

int main() {
    ios::sync_with_stdio(0), cin.tie(0);
    cin >> n >> q;
    for (int i : {0, 1, 2}) {
        for (int j = 1; j <= n; j++) {
            cin >> p[i][j], tmp[i][p[i][j]] = j;
        }
    }
    while (q--) {
        int op, x, y, z;
        cin >> op >> x;
        if (op == 1) {
            set<int> S;
            for (int i = 1; i <= n; i++) {
                for (int j : {0, 1, 2}) {
                    S.insert(p[j][i]);
                }
                if (S.size() == i) {
                    cout << (S.count(x) ? "DA\n" : "NE\n"); break;
                }
            }
        } else {
            cin >> y >> z, x--;
            swap(p[x][tmp[x][y]], p[x][tmp[x][z]]);
            swap(tmp[x][y], tmp[x][z]);
        }
    }
    return 0;
}

Compilation message (stderr)

tenis.cpp: In function 'int main()':
tenis.cpp:24:30: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   24 |                 if (S.size() == i) {
      |                     ~~~~~~~~~^~~~

• Subtask 1: 7 / 7
• Subtask 2: 11 / 11
• Subtask 3: 12 / 12
• Subtask 4: 0 / 21
• Subtask 5: 0 / 49