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ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#165484 | #2434. Single Cut of Failure | PetroTarnavskyi# | WA | 2ms | 3984kb | C++17 | 2.3kb | 2023-09-05 18:40:46 | 2023-09-05 18:40:47 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define FOR(i, a, b) for (int i = (a); i < (b); i++)
#define RFOR(i, a, b) for (int i = (a); i >= (b); i--)
#define FILL(a, b) memset(a, b, sizeof(a))
#define SZ(a) int(a.size())
#define ALL(a) a.begin(), a.end()
#define PB push_back
#define MP make_pair
#define F first
#define S second
typedef long long LL;
typedef vector<int> VI;
typedef pair<int, int> PII;
typedef double db;
int w, h;
int f(int x, int y)
{
if (x == 0) return 2 * y;
if (y == h) return 2 * (h + x);
if (x == w) return 2 * (h + w + h - y);
return 2 * (h + h + w + w - x);
}
int getSide(int c)
{
if (c < 2 * h) return 0;
if (c < 2 * (h + w)) return 1;
if (c < 2 * (h + w + h)) return 2;
if (c < 2 * (h + w + h + w)) return 3;
assert(0);
}
void g(int c)
{
if (c < 2 * h) cout << 0 << ' ' << h - (c / 2.0);
else if (c < 2 * (h + w)) cout << (c - 2 * h) / 2.0 << ' ' << 0;
else if (c < 2 * (h + w + h)) cout << w << ' ' << (c - 2 * (h + w)) / 2.0;
else if (c < 2 * (h + w + h + w)) cout << w - (c - 2 * (h + w + h)) / 2.0 << ' ' << h;
else
assert(0);
}
int coor[4];
int main()
{
ios::sync_with_stdio(0);
cin.tie(0);
int n;
cin >> n >> w >> h;
coor[0] = h;
coor[1] = h + w;
coor[2] = h + w + h;
coor[3] = 0;
vector<PII> v(2 * n);
vector<VI> mn(n);
FOR (i, 0, n)
{
int x1, y1, x2, y2;
cin >> x1 >> y1 >> x2 >> y2;
y1 = h - y1;
y2 = h - y2;
v[2 * i] = {f(x1, y1), i};
v[2 * i + 1] = {f(x2, y2), i};
}
sort(ALL(v));
FOR (i, 0, 2 * n)
{
v.PB(v[i]);
mn[v[i].S].PB(i);
mn[v[i].S].PB(i + 2 * n);
}
FOR (i, 0, n)
sort(ALL(mn[i]), greater());
set<int> mnpos;
FOR (i, 0, n)
mnpos.insert(mn[i].back());
FOR (i, 0, 2 * n)
{
if (*mnpos.rbegin() - i == n - 1)
{
int c1 = v[i].F - 1;
int c2 = v[i + n - 1].F + 1;
if (getSide(c1) == getSide(c2))
c2 = 2 * coor[getSide(c2)] + 1;
cout << 1 << '\n';
g(c1);
cout << ' ';
g(c2);
cout << '\n';
return 0;
}
else
{
int j = v[i].S;
mnpos.erase(mn[j].back());
mn[j].pop_back();
if (mn[j].empty())
break;
mnpos.insert(mn[j].back());
}
}
cout << 2 << '\n';
cout << 0.5 << ' ' << 0 << ' ' << w - 0.5 << ' ' << h << '\n';
cout << h - 0.5 << ' ' << 0 << ' ' << w << ' ' << 0.5 << '\n';
}
詳細信息
Test #1:
score: 100
Accepted
time: 2ms
memory: 3984kb
Test #2:
score: -100
Wrong Answer
time: 2ms
memory: 3940kb