제출 #1134359

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1134359		saidpon	Naval battle (CEOI24_battle)	C++20	20 / 100	389 ms	2632 KiB

Main

#include <bits/stdc++.h>
#define nemeshay ios_base::sync_with_stdio(NULL), cin.tie(0), cout.tie(0);
#define int long long
#define sigma signed
#define pb push_back
#define fr first
#define sc second
#define pii pair<int, int>
using namespace std;
const int N = 1e5 + 2, inf = 1e18 + 7;
pair<pii, char> a[N];
int used[N];
sigma main() {
    int n;
    cin >> n;
    for (int i = 1; i <= n; i++) cin >> a[i].fr.fr >> a[i].fr.sc >> a[i].sc;
    int q = N;
    while (q--) {
        map <pii, int> pon;
        for (int i = 1; i <= n; i++) {
            if (used[i]) continue;
            if (a[i].sc == 'N') a[i].fr.sc--;
            else if (a[i].sc == 'S') a[i].fr.sc++;
            else if (a[i].sc == 'W') a[i].fr.fr--;
            else a[i].fr.fr++;
            int x = a[i].fr.fr, y = a[i].fr.sc;
            if (pon[{x, y}] == 0) pon[{x, y}] = i;
            else used[i] = 1, used[pon[{x, y}]] = 1;
        }
    }
    for (int i = 1; i <= n; i++) if (!used[i]) cout << i << endl;
}

• Subtask 0: 0 / 0
• Subtask 1: 0 / 6
• Subtask 2: 12 / 12
• Subtask 3: 8 / 8
• Subtask 4: 0 / 11
• Subtask 5: 0 / 9
• Subtask 6: 0 / 30
• Subtask 7: 0 / 24