Submission #526051
Source Code Expand
#include <bits/stdc++.h> using namespace std; typedef long long int64; int main() { const int64 pre = (-1L) ^ ((1L << 32) - 1); const int64 post = ((1L << 32) - 1); int n; int64 x, y; vector<int64> pts; map<int64, int> mp; cin >> n; for(int i = 1; i <= n; i++) { cin >> x >> y; // cout << x << " " << y << endl; int64 p = (((x << 32) & pre) | (y & post)); // cout << p << endl; pts.push_back(p); mp[p] = i; } vector<int> res; for(int i = 1; i < n; i++) { for(int j = i + 1; j <= n; j++) { int64 p1 = pts[i - 1], p2 = pts[j - 1]; int x1 = (int)((p1 & pre) >> 32), y1 = (int)(p1 & post), x2 = (int)((p2 & pre) >> 32), y2 = (int)(p2 & post); // cout << x1 << ", " << y1 << " " << x2 << ", " << y2 << endl; if(x1 != x2 && y1 != y2) { int64 p3 = ((((int64)x1 << 32) & pre) | (y2 & post)), p4 = ((((int64)x2 << 32) & pre) | (y1 & post)); if(mp.count(p3) && mp.count(p4)) { res.push_back(i); res.push_back(j); res.push_back(mp[p3]); res.push_back(mp[p4]); cout << "4" << endl; sort(res.begin(), res.end()); for(int k = 0; k < 4; k++) { cout << res[k] << endl; } return 0; } } } } cout << "0" << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - Regular Polygon |
User | daisy8867 |
Language | C++ (G++ 4.6.4) |
Score | 0 |
Code Size | 1576 Byte |
Status | WA |
Exec Time | 39 ms |
Memory | 932 KB |
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 100 | ||||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | subtask0_sample_01.txt, subtask0_sample_02.txt |
All | subtask0_sample_01.txt, subtask0_sample_02.txt, subtask1_random01.txt, subtask1_random02.txt, subtask1_random03.txt, subtask1_random04.txt, subtask1_random05.txt, subtask1_random06.txt, subtask1_random07.txt, subtask1_random08.txt, subtask1_special01.txt, subtask1_special02.txt, subtask1_special03.txt, subtask1_special04.txt, subtask1_special05.txt, subtask1_special06.txt, subtask1_special07.txt, subtask1_special08.txt, subtask1_special09.txt, subtask1_special10.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
subtask0_sample_01.txt | AC | 23 ms | 796 KB |
subtask0_sample_02.txt | AC | 22 ms | 928 KB |
subtask1_random01.txt | AC | 39 ms | 800 KB |
subtask1_random02.txt | AC | 39 ms | 804 KB |
subtask1_random03.txt | AC | 39 ms | 800 KB |
subtask1_random04.txt | AC | 39 ms | 856 KB |
subtask1_random05.txt | WA | 26 ms | 804 KB |
subtask1_random06.txt | WA | 27 ms | 928 KB |
subtask1_random07.txt | AC | 38 ms | 920 KB |
subtask1_random08.txt | AC | 38 ms | 876 KB |
subtask1_special01.txt | AC | 24 ms | 836 KB |
subtask1_special02.txt | AC | 22 ms | 796 KB |
subtask1_special03.txt | AC | 24 ms | 924 KB |
subtask1_special04.txt | AC | 24 ms | 796 KB |
subtask1_special05.txt | AC | 35 ms | 924 KB |
subtask1_special06.txt | AC | 28 ms | 928 KB |
subtask1_special07.txt | AC | 25 ms | 800 KB |
subtask1_special08.txt | AC | 28 ms | 932 KB |
subtask1_special09.txt | AC | 26 ms | 928 KB |
subtask1_special10.txt | AC | 25 ms | 804 KB |