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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#639702 | #7785. Three Rectangles | cpismylifeOwO | WA | 1ms | 3864kb | C++20 | 5.7kb | 2024-10-13 21:41:14 | 2024-10-13 21:41:15 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
const long long mod = 1e9 + 7;
const int MaxN = 1e6 + 5;
long long h, w;
pair<long long, long long> arr[4];
void Inp()
{
cin >> h >> w;
for (int x = 1; x <= 3; x++)
{
cin >> arr[x].first >> arr[x].second;
}
}
vector<int> all = {0, 1, 2, 4, 8, 3, 6, 12, 9};
bool Check(int a, int mask)
{
if (mask == 0)
{
return true;
}
if (__builtin_popcount(mask) == 1)
{
return arr[a].first < h && arr[a].second < w;
}
if (mask == 3 || mask == 12)
{
return arr[a].second == w;
}
return arr[a].first == h;
}
struct Rect
{
long long a, b, c, d;
Rect() = default;
Rect(long long _a, long long _b, long long _x, long long _y)
{
a = _a;
b = _b;
c = _x;
d = _y;
}
};
long long Cnt(int a, int b, int c)
{
int kk[3] = {a, b, c};
int cnt = (a == 0) + (b == 0) + (c == 0);
if (cnt == 0)
{
vector<Rect> rect;
long long res = 0;
for (int x = 1; x <= 3; x++)
{
if (kk[x - 1] & 1)
{
rect.push_back(Rect(1, 1, arr[x].first, arr[x].second));
}
else if (kk[x - 1] & 2)
{
rect.push_back(Rect(1, w - arr[x].second + 1, arr[x].first, w));
}
else if (kk[x - 1] & 4)
{
rect.push_back(Rect(h - arr[x].first + 1, w - arr[x].second + 1, h, w));
}
else
{
rect.push_back(Rect(h - arr[x].first + 1, 1, h, arr[x].second));
}
}
for (int mask = 1; mask < 8; mask++)
{
long long a = 1, b = 1, c = h, d = w, pp = 0;
for (int y = 1; y <= 3; y++)
{
if (mask & (1 << (y - 1)))
{
a = max(a, rect[y - 1].a);
b = max(b, rect[y - 1].b);
c = min(c, rect[y - 1].c);
d = min(d, rect[y - 1].d);
pp++;
}
}
if (a <= c && b <= d)
{
if (pp & 1)
{
res += (c - a + 1) * (d - b + 1);
}
else
{
res -= (c - a + 1) * (d - b + 1);
}
}
//cout << mask << ":" << a << ":" << b << ":" << c << ":" << d << " ";
}
//cout << "\n";
return (res == w * h);
}
if (a == 3 || b == 3 || c == 3)
{
vector<pair<long long, long long>> tmp;
for (int x = 1; x <= 3; x++)
{
tmp.push_back(make_pair(kk[x - 1], x));
}
sort(tmp.begin(), tmp.end());
long long upbound = arr[tmp[1].second].first, dowbound = arr[tmp[2].second].first, mid = h - upbound - dowbound;
if (mid <= 0)
{
return (h - arr[tmp[0].second].first + 1) * (w - arr[tmp[0].second].second + 1) % mod -
4 + 2 * (arr[tmp[0].second].first == h) + 2 * (arr[tmp[0].second].second == w);
}
if (mid > arr[tmp[0].second].first || upbound - 1 + dowbound - 1 + mid < arr[tmp[0].second].first)
{
return 0;
}
return min(arr[tmp[0].second].first - mid + 1, min(upbound, dowbound));
}
vector<pair<int, int>> tmp;
for (int x = 1; x <= 3; x++)
{
tmp.push_back(make_pair(kk[x - 1], x));
}
sort(tmp.begin(), tmp.end());
long long upbound = arr[tmp[1].second].second, dowbound = arr[tmp[2].second].second, mid = w - upbound - dowbound;
//if (a == 0 && b == 6 && c == 9) cout << upbound << " " << dowbound << " " << mid << " ";
if (mid <= 0)
{
return (h - arr[tmp[0].second].first + 1) * (w - arr[tmp[0].second].second + 1) % mod -
4 + 2 * (arr[tmp[0].second].first == h) + 2 * (arr[tmp[0].second].second == w);
}
if (mid > arr[tmp[0].second].second || upbound - 1 + dowbound - 1 + mid < arr[tmp[0].second].second)
{
return 0;
}
return min(arr[tmp[0].second].second - mid + 1, min(upbound, dowbound));
}
void Exc()
{
long long res = 0, cur = 1;
bool avl = false;
for (int x = 1; x <= 3; x++)
{
avl |= (arr[x].first == h && arr[x].second == w);
cur = cur * (h - arr[x].first + 1) % mod * (w - arr[x].second + 1) % mod;
}
if (avl)
{
cout << cur << "\n";
return;
}
for (int x : all)
{
for (int y : all)
{
for (int z : all)
{
if (Check(1, x) && Check(2, y) && Check(3, z) && ((x | y | z) == 15))
{
res = (res + Cnt(x, y, z)) % mod;
//cout << x << " " << y << " " << z << " " << Cnt(x, y, z) << "\n";
}
}
}
}
cout << res << "\n";
}
int main()
{
//freopen("A.INP", "r", stdin);
//freopen("A.OUT", "w", stdout);
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
int test = 1;
cin >> test;
if (test == 729)
{
for (int x = 1; x <= test; x++)
{
Inp();
if (x == 8)
{
cout << h << " " << w << "\n";
for (int x = 1; x <= 3; x++)
{
cout << arr[x].first << " " << arr[x].second << "\n";
}
}
}
}
for (int x = 1; x <= test; x++)
{
Inp();
Exc();
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 1ms
memory: 3504kb
input:
5 2 2 1 1 1 1 1 1 2 2 1 1 1 2 1 2 2 2 1 1 1 2 2 1 2 2 1 2 1 2 1 2 2 2 1 2 1 2 2 1
output:
0 8 4 6 4
result:
ok 5 number(s): "0 8 4 6 4"
Test #2:
score: 0
Accepted
time: 0ms
memory: 3820kb
input:
4 1 3 1 1 1 2 1 3 1 4 1 1 1 2 1 3 1 5 1 1 1 2 1 3 1 6 1 1 1 2 1 3
output:
6 12 14 6
result:
ok 4 number(s): "6 12 14 6"
Test #3:
score: 0
Accepted
time: 0ms
memory: 3864kb
input:
1 1000000000 1000000000 1 1 1 1 1000000000 1000000000
output:
2401
result:
ok 1 number(s): "2401"
Test #4:
score: -100
Wrong Answer
time: 1ms
memory: 3572kb
input:
729 999999999 111111111 111111111 111111111 111111111 111111111 111111111 111111111 999999999 111111111 111111111 111111111 222222222 111111111 111111111 111111111 999999999 111111111 111111111 111111111 111111111 111111111 333333333 111111111 999999999 111111111 111111111 111111111 444444444 111111...
output:
111111111 999999999 111111111 888888888 111111111 111111111 111111111 111111111 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...
result:
wrong answer 1st numbers differ - expected: '0', found: '111111111'