제출 #934093

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
934093		Joshua_Andersson	Spiral (BOI16_spiral)	C++14	0 / 100	1550 ms	262144 KiB

spiral

#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
#define int ll
const int inf = int(1e18);

typedef vector<int> vi;
typedef vector<vi> vvi;
typedef pair<int, int> p2;

#define rep(i, high) for (int i = 0; i < high; i++)
#define repp(i, low, high) for (int i = low; i < high; i++)
#define repe(i, container) for (auto& i : container)
#define sz(container) ((int)container.size())
#define all(x) begin(x),end(x)
#define ceildiv(x,y) ((x + y - 1) / (y))

inline void fast() { ios::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); }

#define _LOCAL _DEBUG
#if _LOCAL
#define assert(x) if (!(x)) __debugbreak()
#endif

int n;
int getv(int a, int b)
{
	//a -= n;
	//b -= n;
	int layer = max(abs(a), abs(b));
	int layerv = (layer * 2 + 1) * (layer * 2 + 1);
	p2 layerbr = p2(layer, layer);
	if (p2(a, b) == layerbr)
	{
		return layerv;
	}
	if (a == layerbr.first)
	{
		return layerv - (layerbr.second - b);
	}
	if (a == layerbr.first - layer * 2)
	{
		return layerv - layer * 6 - (b - layerbr.second);
	}
	p2 layerbl = p2(layer, -layer);
	if (b == layerbl.second)
	{
		return layerv - layer * 2 - (layerbl.first - a);
	}
	if (b == layerbl.second + layer * 2)
	{
		return layerv - layer * 8 - (a - layerbl.first);
	}
	return layer;
};


int eval(vvi poly)
{
	return 0;
}

vvi cache(100, vi(100, -1));
int sum(int a, int b)
{
	if (cache[a][b] != -1) return cache[a][b];
	int ret = 0;
	rep(i, a + 1) rep(j, b + 1) ret += getv(i, j);
	return ret;
}

void brute()
{
	int polysize = 2;

}

const int mod = int(1e9 + 7);
signed main()
{
	fast();


	cin >> n;
	int side = n * 2 + 1;



	auto display = [&](vvi& grid)
	{
		int spacing = 3;
		rep(i, side)
		{
			rep(j, side)
			{
				cout << grid[i][j];
				rep(k, spacing - to_string(grid[i][j]).size()) cout << " ";
			}
			cout << "\n";
		}
	};

	

	auto vis2 = [&]()
	{
		vvi grid(side, vi(side));

		rep(i, side)
		{
			rep(j, side)
			{
				grid[i][j] = getv(i, j);
			}
		}
		display(grid);
	};





	//vis1();
	//display();
	vis2();
	//display();

	int q;
	cin >> q;
	rep(i, q)
	{
		int a, b, c, d;
		cin >> a >> b >> c >> d;
		swap(a, b);
		//a = side - a - 1;
		/*dread2(int, a, b);
		a += n; b += n;
		a = side - a-1;*/
		cout << getv(-a, b) % mod << "\n";
	}

	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

spiral.cpp: In function 'void brute()':
spiral.cpp:75:6: warning: unused variable 'polysize' [-Wunused-variable]
   75 |  int polysize = 2;
      |      ^~~~~~~~
spiral.cpp: In lambda function:
spiral.cpp:12:40: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'long long unsigned int' [-Wsign-compare]
   12 | #define rep(i, high) for (int i = 0; i < high; i++)
......
   98 |     rep(k, spacing - to_string(grid[i][j]).size()) cout << " ";
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
spiral.cpp:98:5: note: in expansion of macro 'rep'
   98 |     rep(k, spacing - to_string(grid[i][j]).size()) cout << " ";
      |     ^~~

• Subtask 1: 0 / 12
• Subtask 2: 0 / 15
• Subtask 3: 0 / 17
• Subtask 4: 0 / 31
• Subtask 5: 0 / 25