oj.uz

답안 #264825

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
264825 2020-08-14T10:19:27 Z _7_7_ 무지개나라 (APIO17_rainbow) C++14
0 / 100
 1668 ms 150008 KB 
#include "rainbow.h"
#include <bits/stdc++.h>                                           
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
 
using namespace std;
using namespace __gnu_pbds;
 
//#define int long long
//#pragma GCC optimize("Ofast")
//#pragma comment(linker, "/stack:200000000")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4")
 
 
#define file(s) freopen(s".in","r",stdin); freopen(s".out","w",stdout);
#define fastio ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
#define all(x) x.begin(), x.end()
#define sz(s) (int)s.size()
#define pb push_back
#define ppb pop_back
#define mp make_pair
#define s second
#define f first
 
 
 
 
typedef pair < long long, long long > pll;    
typedef pair < int, int > pii;  
typedef unsigned long long ull;         
typedef vector < pii > vpii;                                   	
typedef vector < int > vi;
typedef long double ldb;  
typedef long long ll;  
typedef double db;
 
typedef tree < int, null_type, less < int >, rb_tree_tag, tree_order_statistics_node_update > ordered_set;
 
const int inf = 1e9, maxn = 2e5 + 48, mod = 998244353, N = 2e5 + 12;
const int dx[] = {1, -1, 0, 0}, dy[] = {0, 0, 1, -1}, block = 300;
const pii base = mp(1171, 3307), Mod = mp(1e9 + 7, 1e9 + 9);
const db eps = 1e-12, pi = acos(-1);
const ll INF = 1e18;


int ar, ac, br, bc, ans;
set < pii > q, qq, was;

	
void init(int R, int C, int sr, int sc, int M, char *S) {
	q.insert(mp(sr, sc));

	for (int i = 0; i < M; ++i) {
		if (S[i] == 'N')
			--sr;
		else if (S[i] == 'S')	
			++sr;
		else if (S[i] == 'W')	
			--sc;
		else 
			++sc;	 			
		q.insert(mp(sr, sc));		
	}
}

bool in (int x, int y) {
	return ar <= x && x <= br && ac <= y && y <= bc;
}


void dfs (pii x) {
	was.insert(x);
	for (int i = 0; i < 4; ++i) {
		int tox = x.f + dx[i], toy = x.s + dy[i];
		if (in(tox, toy) && !was.count(mp(tox, toy)) && qq.count(mp(tox, toy)))
			dfs(mp(tox, toy));
	}
}

int colour(int Ar, int Ac, int Br, int Bc) {
	bool ok = 0;

	for (auto x : q)
		if (in(x.f, x.s) && (x.f == Ar || x.f == Br || x.s == Ac || x.s == Bc)) {
			ok = 1;
			break;
		}	


//	if (ok) {
	ar = Ar, ac = Ac, br = Br, bc = Bc;
	for (int i = Ar - 1; i <= Br + 1; ++i) {
		q.insert(mp(i, Ac - 1)); 
		q.insert(mp(i, Bc + 1)); 	
	}

	for (int j = Ac - 1; j <= Bc + 1; ++j) {
		q.insert(mp(Ar - 1, j)); 
		q.insert(mp(Br + 1, j)); 	
	}
//	}

	for (auto x : q)
		for (int i = -1; i <= 1; ++i)
			for (int j = -1; j <= 1; ++j) {
				int tox = x.f + i, toy = x.s + j;
				if (in(tox, toy) && !q.count(mp(tox, toy)))
					qq.insert(mp(tox, toy));
			}

	ans = 0;
	for (auto x : qq)
		if (!was.count(x)) {
			dfs(x);
			++ans;
		}


    return ans;
}

Compilation message

rainbow.cpp: In function 'int colour(int, int, int, int)':
rainbow.cpp:81:7: warning: variable 'ok' set but not used [-Wunused-but-set-variable]
   81 |  bool ok = 0;
      |       ^~

Subtask #1
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 57 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 256 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 871 ms 72696 KB Output is correct
3 Correct 904 ms 72348 KB Output is correct
4 Correct 886 ms 67860 KB Output is correct
5 Correct 476 ms 34172 KB Output is correct
6 Correct 1119 ms 109816 KB Output is correct
7 Incorrect 1668 ms 150008 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #4
0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 57 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 26.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 57 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -