제출 #1216351

#제출 시각아이디문제언어결과실행 시간메모리
1216351PetiCard Collection (JOI24_collection)C++20
0 / 100
4094 ms452 KiB
#include <bits/stdc++.h> using namespace std; const int MAXN = 200'001; int s[MAXN], v[MAXN]; int main() { ios::sync_with_stdio(0); cin.tie(0); int n, q; cin >> n >> q; for (int i = 1; i <= n; i++) cin >> s[i] >> v[i]; set<pair<int, int>> ok; for (int i = 1; i <= n; i++) { for (int bits = 0; bits < (1<<(n-1)); bits++) { int ptr = 0; int x = s[i], y = v[i]; for (int j = i+1; j <= n; j++) { if (bits & (1<<(ptr++))) { x = max(x, s[j]); y = max(y, v[j]); } else { x = min(x, s[j]); y = min(y, v[j]); } } for (int j = i-1; j >= 1; j--) { if (bits & (1<<(ptr++))) { x = max(x, s[j]); y = max(y, v[j]); } else { x = min(x, s[j]); y = min(y, v[j]); } } ok.insert({x, y}); } } for (int l = 1; l <= n; l++) { for (int r = l+1; r <= n; r++) { for (int k = l+1; k <= r; k++) { for (int bits = 0; bits < (1<<(n-1)); bits++) { int ptr = 0; int x1 = s[r], y1 = v[r]; int x2 = s[l], y2 = v[l]; for (int j = r+1; j <= n; j++) { if (bits & (1<<(ptr++))) { x1 = max(x1, s[j]); y1 = max(y1, v[j]); } else { x1 = min(x1, s[j]); y1 = min(y1, v[j]); } } for (int j = r-1; j >= k; j--) { if (bits & (1<<(ptr++))) { x1 = max(x1, s[j]); y1 = max(y1, v[j]); } else { x1 = min(x1, s[j]); y1 = min(y1, v[j]); } } for (int j = l+1; j < k; j++) { if (bits & (1<<(ptr++))) { x2 = max(x2, s[j]); y2 = max(y2, v[j]); } else { x2 = min(x2, s[j]); y2 = min(y2, v[j]); } } for (int j = l-1; j >= 1; j--) { if (bits & (1<<(ptr++))) { x2 = max(x2, s[j]); y2 = max(y2, v[j]); } else { x2 = min(x2, s[j]); y2 = min(y2, v[j]); } } int x, y; if (bits & (1<<(ptr++))) { x = max(x1, x2); y = max(y1, y2); } else { x = min(x1, x2); y = min(y1, y2); } ok.insert({x, y}); } } } } for (int i = 1; i <= q; i++) { int x, y; cin >> x >> y; if (ok.count({x, y})) { cout << i << " "; } } return 0; }
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