結果

問題 No.5002 stick xor
ユーザー __math__math
提出日時 2018-05-25 23:51:12
言語 C++11
(gcc 11.4.0)
結果
TLE  
実行時間 -
コード長 6,813 bytes
コンパイル時間 49,597 ms
スコア 0
最終ジャッジ日時 2018-05-25 23:52:03
ジャッジサーバーID
（参考情報） 		judge8 /
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テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 TLE -
testcase_01 TLE -
testcase_02 TLE -
testcase_03 TLE -
testcase_04 TLE -
testcase_05 TLE -
testcase_06 TLE -
testcase_07 TLE -
testcase_08 TLE -
testcase_09 TLE -
testcase_10 TLE -
testcase_11 TLE -
testcase_12 TLE -
testcase_13 TLE -
testcase_14 TLE -
testcase_15 TLE -
testcase_16 TLE -
testcase_17 TLE -
testcase_18 TLE -
testcase_19 TLE -
testcase_20 TLE -
testcase_21 TLE -
testcase_22 TLE -
testcase_23 TLE -
testcase_24 TLE -
testcase_25 TLE -
testcase_26 TLE -
testcase_27 TLE -
testcase_28 TLE -
testcase_29 TLE -
testcase_30 TLE -
testcase_31 TLE -
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ソースコード

diff # 

#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cmath>
#include <limits>
#include <ctime>
#include <cassert>
#include <map>
#include <set>
#include <iostream>
#include <memory>
#include <string>
#include <vector>
#include <algorithm>
#include <functional>
#include <sstream>
#include <stack>
#include <queue>
#include <numeric>
#include <iterator>
#include <bitset>
#include <unordered_map>
#include <unordered_set>

using namespace std;
#define FOR(i,n) for(int i = 0; i < (n); i++)
#define sz(c) ((int)c.size())
#define ten(n) ((int)1e##n)
using ll = long long;
using Pii = pair<int, int>;
using Pll = pair<ll, ll>;

template<typename ...> static inline int getchar_unlocked(void) { return getchar(); }
template<typename ...> static inline void putchar_unlocked(int c) { putchar(c); }
#define mygc(c) (c)=getchar_unlocked()
#define mypc(c) putchar_unlocked(c)
void reader(int& x) { int k, m = 0; x = 0; for (;;) { mygc(k); if (k == '-') { m = 1; break; }if ('0' <= k&&k <= '9') { x = k - '0'; break; } }for (;;) { mygc(k); if (k<'0' || k>'9')break; x = x * 10 + k - '0'; }if (m) x = -x; }
void reader(ll& x) { int k, m = 0; x = 0; for (;;) { mygc(k); if (k == '-') { m = 1; break; }if ('0' <= k&&k <= '9') { x = k - '0'; break; } }for (;;) { mygc(k); if (k<'0' || k>'9')break; x = x * 10 + k - '0'; }if (m) x = -x; }
int reader(char c[]) { int i, s = 0; for (;;) { mygc(i); if (i != ' '&&i != '\n'&&i != '\r'&&i != '\t'&&i != EOF) break; }c[s++] = i; for (;;) { mygc(i); if (i == ' ' || i == '\n' || i == '\r' || i == '\t' || i == EOF) break; c[s++] = i; }c[s] = '\0'; return s; }
int reader(string& c) { int i; for (;;) { mygc(i); if (i != ' '&&i != '\n'&&i != '\r'&&i != '\t'&&i != EOF) break; }c.push_back(i); for (;;) { mygc(i); if (i == ' ' || i == '\n' || i == '\r' || i == '\t' || i == EOF) break; c.push_back(i); }; return sz(c); }
template <class T, class S> void reader(T& x, S& y) { reader(x); reader(y); }
template <class T, class S, class U> void reader(T& x, S& y, U& z) { reader(x); reader(y); reader(z); }
template <class T, class S, class U, class V> void reader(T& x, S& y, U& z, V & w) { reader(x); reader(y); reader(z); reader(w); }
void writer(int x, char c) { int s = 0, m = 0; char f[10]; if (x<0)m = 1, x = -x; while (x)f[s++] = x % 10, x /= 10; if (!s)f[s++] = 0; if (m)mypc('-'); while (s--)mypc(f[s] + '0'); mypc(c); }
void writer(ll x, char c) { int s = 0, m = 0; char f[20]; if (x<0)m = 1, x = -x; while (x)f[s++] = x % 10, x /= 10; if (!s)f[s++] = 0; if (m)mypc('-'); while (s--)mypc(f[s] + '0'); mypc(c); }
void writer(const char c[]) { int i; for (i = 0; c[i] != '\0'; i++)mypc(c[i]); }
void writer(const string& x, char c) { int i; for (i = 0; x[i] != '\0'; i++)mypc(x[i]); mypc(c); }
void writer(const char x[], char c) { int i; for (i = 0; x[i] != '\0'; i++)mypc(x[i]); mypc(c); }
template<class T> void writerLn(T x) { writer(x, '\n'); }
template<class T, class S> void writerLn(T x, S y) { writer(x, ' '); writer(y, '\n'); }
template<class T, class S, class U> void writerLn(T x, S y, U z) { writer(x, ' '); writer(y, ' '); writer(z, '\n'); }
template<class T, class S, class U, class V> void writerLn(T x, S y, U z, V v) { writer(x, ' '); writer(y, ' '); writer(z, ' '); writer(v, '\n'); }
template<class T> void writerArr(T x[], int n) { if (!n) { mypc('\n'); return; }FOR(i, n - 1)writer(x[i], ' '); writer(x[n - 1], '\n'); }
template<class T> void writerArr(vector<T>& x) { writerArr(x.data(), (int)x.size()); }

template<class T> void chmin(T& a, const T& b) { if (a > b) a = b; }
template<class T> void chmax(T& a, const T& b) { if (a < b) a = b; }

template<class T> T gcd(T a, T b) { return b ? gcd(b, a % b) : a; }
template<class T> T lcm(T a, T b) { return a / gcd(a, b) * b; }
ll mod_pow(ll a, ll n, ll mod) {
	ll ret = 1;
	ll p = a % mod;
	while (n) {
		if (n & 1) ret = ret * p % mod;
		p = p * p % mod;
		n >>= 1;
	}
	return ret;
}
template<class T> T extgcd(T a, T b, T& x, T& y) { for (T u = y = 1, v = x = 0; a;) { T q = b / a; swap(x -= q * u, u); swap(y -= q * v, v); swap(b -= q * a, a); } return b; }
ll mod_inv(ll a, ll m) { ll x, y; extgcd<ll>(a, m, x, y); return (m + x % m) % m; }

struct Stage {
	int n, k;
	vector<int> l;
	bool a[60][60];
};

struct Ans {
	int a, b, c, d;
	Ans() {};
	Ans(int a, int b, int c, int d) : a(a), b(b), c(c), d(d) {}
};

int printScore(const Stage& st, bool a[60][60]) {
	const int n = st.n;
	int s = 0;
	FOR(i, n) FOR(j, n) s += 1 - a[i][j];
	fprintf(stderr, " score = %d\n", s);

	return s;
}

vector<Ans> solve(const Stage& st) {
	const int n = st.n;
	vector<Pii> lmap;
	FOR(i, st.k) lmap.emplace_back(st.l[i], i);
	sort(lmap.rbegin(), lmap.rend());

	bool ca[60][60];
	memcpy(ca, st.a, sizeof(ca));

	vector<Ans> ret(st.k);
	for (auto &kv : lmap) {
		const int l = kv.first;
		Ans use; int add = -100;
		FOR(i, n) FOR(j, n) {
			if (i + l <= n) {
				int cur = 0;
				FOR(k, l) cur += ca[i + k][j];
				if (add < cur) {
					add = cur;
					use = Ans(i, j, i + l - 1, j);
				}
			}
			if (j + l <= n) {
				int cur = 0;
				FOR(k, l) cur += ca[i][j + k];
				if (add < cur) {
					add = cur;
					use = Ans(i, j, i, j + l - 1);
				}
			}
		}

		for (int a = use.a; a <= use.c; a++) {
			for (int b = use.b; b <= use.d; b++) {
				ca[a][b] = !ca[a][b];
			}
		}

		ret[kv.second] = use;
	}

	// int st1Score = printScore(st, ca);

	FOR(_, ten(4) * 2) {
		int id = rand() % st.k;
		auto cur = ret[id];
		int curAdd = 0;
		for (int a = cur.a; a <= cur.c; a++) {
			for (int b = cur.b; b <= cur.d; b++) {
				curAdd += ca[a][b] * 2 - 1;
				ca[a][b] = !ca[a][b];
			}
		}
		curAdd = -curAdd;

		const int l = st.l[id];
		Ans use; int add = -100;
		FOR(i, n) FOR(j, n) {
			if (i + l <= n) {
				int csc = 0;
				FOR(k, l) csc += ca[i + k][j] * 2 - 1;
				if (add < csc) {
					add = csc;
					use = Ans(i, j, i + l - 1, j);
				}
			}
			if (j + l <= n) {
				int csc = 0;
				FOR(k, l) csc += ca[i][j + k] * 2 - 1;
				if (add < csc) {
					add = csc;
					use = Ans(i, j, i, j + l - 1);
				}
			}
		}

		if (curAdd < add) {
			for (int a = use.a; a <= use.c; a++) {
				for (int b = use.b; b <= use.d; b++) {
					ca[a][b] = !ca[a][b];
				}
			}
			ret[id] = use;

			// int nscore = printScore(st, ca);
			// fprintf(stderr, "  %d -> %d\n", st1Score, nscore);
			// st1Score = nscore;
		} else {
			for (int a = cur.a; a <= cur.c; a++) {
				for (int b = cur.b; b <= cur.d; b++) {
					ca[a][b] = !ca[a][b];
				}
			}
		}
	}

	int st2Score = printScore(st, ca);

	return ret;
}

int main() {
	Stage st;
	while (cin >> st.n >> st.k) {
		st.l.resize(st.k);
		FOR(i, st.k) reader(st.l[i]);
		FOR(i, st.n) {
			string a; reader(a);
			FOR(j, st.n) st.a[i][j] = (a[j] == '1');
		}

		auto ans = solve(st);
		for (auto x : ans) {
			writerLn(x.a + 1, x.b + 1, x.c + 1, x.d + 1);
		}
	}

	return 0;
}
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