oj.uz

답안 #115122

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
115122 2019-06-05T10:57:07 Z sebinkim 무지개나라 (APIO17_rainbow) C++14
100 / 100
 644 ms 214212 KB 
#include <bits/stdc++.h>

#include "rainbow.h"

using namespace std;

typedef pair <int, int> pii;

struct pst{
	struct node{
		int l, r, v;
		node() : l(0), r(0), v(0) {}
	};
	
	node T[15151515];
	int R[202020], r, t, c;
	
	void init(int w) { c = w; }
	
	void insert(int p, int s, int e, int i, int v)
	{
		T[p].v += v;
		
		if(s == e) return;
		else if(i <= (s + e >> 1)){
			T[++t] = T[T[p].l]; T[p].l = t;
			insert(T[p].l, s, s + e >> 1, i, v);
		}
		else{
			T[++t] = T[T[p].r]; T[p].r = t;
			insert(T[p].r, (s + e >> 1) + 1, e, i, v);
		}
	}
	
	void insert(int p, int v)
	{
		T[++t] = T[r]; r = t;
		insert(r, 1, c, p, v);
	}
	
	void root(int p) { R[p] = r; }
	
	int query(int p, int s, int e, int l, int r)
	{
		if(!p || r < s || e < l) return 0;
		else if(l <= s && e <= r){
			return T[p].v;
		}
		else return query(T[p].l, s, s + e >> 1, l, r)
				+ query(T[p].r, (s + e >> 1) + 1, e, l, r);
	}
	
	int query(int sr, int sc, int er, int ec)
	{
		return query(R[er], 1, c, sc, ec) 
			- query(R[sr - 1], 1, c, sc, ec);	
	}
};

pst T;
vector <int> R1[202020], R2[202020];
vector <int> C1[202020], C2[202020];
vector <pii> V, E1, E2, F;
int lx, ly, rx, ry;

void push(int x, int y)
{
	V.emplace_back(x, y);
	
	E1.emplace_back(x, y);
	E1.emplace_back(x + 1, y);
	
	E2.emplace_back(x, y);
	E2.emplace_back(x, y + 1);
	
	F.emplace_back(x, y);
	F.emplace_back(x, y + 1);
	F.emplace_back(x + 1, y);
	F.emplace_back(x + 1, y + 1);
}

void compress(vector <pii> &V)
{
	sort(V.begin(), V.end());
	V.erase(unique(V.begin(), V.end()), V.end());
} 

void init(int r, int c, int x, int y, int m, char *S)
{
	int i, v, e1, e2, f;
	
	T.init(c + 1);
	
	push(x, y);
	
	lx = rx = x; ly = ry = y;
	
	for(i=0; i<m; i++){
		if(S[i] == 'N') x --;
		else if(S[i] == 'S') x ++;
		else if(S[i] == 'W') y --;
		else y ++;
		
		push(x, y);
		
		lx = min(lx, x); rx = max(rx, x);
		ly = min(ly, y); ry = max(ry, y);
	}
	
	compress(V);
	compress(E1);
	compress(E2);
	compress(F);
	
	v = e1 = e2 = f = 0;
	
	for(i=1; i<=r+1; i++){
		for(; v<V.size() && V[v].first == i; v++){
			T.insert(V[v].second, -1);
		}
		
		for(; e1<E1.size() && E1[e1].first == i; e1++){
			T.insert(E1[e1].second, 1);
			R1[i].push_back(E1[e1].second);
		}
		
		for(; e2<E2.size() && E2[e2].first == i; e2++){
			T.insert(E2[e2].second, 1);
			C1[E2[e2].second].push_back(i);
		}
		
		for(; f<F.size() && F[f].first == i; f++){
			T.insert(F[f].second, -1);
			R2[i].push_back(F[f].second);
			C2[F[f].second].push_back(i);
		}
		
		T.root(i);
	}
}

int colour(int sr, int sc, int er, int ec)
{
	int ret = 1 + T.query(sr, sc, er, ec);
	
	ret -= lower_bound(R1[sr].begin(), R1[sr].end(), ec + 1)
		 - lower_bound(R1[sr].begin(), R1[sr].end(), sc);
	ret -= lower_bound(C1[sc].begin(), C1[sc].end(), er + 1)
		 - lower_bound(C1[sc].begin(), C1[sc].end(), sr);
	
	ret += lower_bound(R2[sr].begin(), R2[sr].end(), ec + 1)
		 - lower_bound(R2[sr].begin(), R2[sr].end(), sc + 1);
	ret += lower_bound(C2[sc].begin(), C2[sc].end(), er + 1)
		 - lower_bound(C2[sc].begin(), C2[sc].end(), sr);
		 
	ret += (sr < lx && rx < er && sc < ly && ry < ec);
	
    return ret;
}

Compilation message

rainbow.cpp: In member function 'void pst::insert(int, int, int, int, int)':
rainbow.cpp:25:19: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   else if(i <= (s + e >> 1)){
                 ~~^~~
rainbow.cpp:27:24: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
    insert(T[p].l, s, s + e >> 1, i, v);
                      ~~^~~
rainbow.cpp:31:22: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
    insert(T[p].r, (s + e >> 1) + 1, e, i, v);
                    ~~^~~
rainbow.cpp: In member function 'int pst::query(int, int, int, int, int)':
rainbow.cpp:49:34: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   else return query(T[p].l, s, s + e >> 1, l, r)
                                ~~^~~
rainbow.cpp:50:24: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
     + query(T[p].r, (s + e >> 1) + 1, e, l, r);
                      ~~^~~
rainbow.cpp: In function 'void init(int, int, int, int, int, char*)':
rainbow.cpp:118:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(; v<V.size() && V[v].first == i; v++){
         ~^~~~~~~~~
rainbow.cpp:122:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(; e1<E1.size() && E1[e1].first == i; e1++){
         ~~^~~~~~~~~~
rainbow.cpp:127:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(; e2<E2.size() && E2[e2].first == i; e2++){
         ~~^~~~~~~~~~
rainbow.cpp:132:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(; f<F.size() && F[f].first == i; f++){
         ~^~~~~~~~~

Subtask #1
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 149 ms 197244 KB Output is correct
2 Correct 153 ms 197368 KB Output is correct
3 Correct 149 ms 197216 KB Output is correct
4 Correct 150 ms 197268 KB Output is correct
5 Correct 152 ms 197752 KB Output is correct
6 Correct 150 ms 197188 KB Output is correct
7 Correct 149 ms 197248 KB Output is correct
8 Correct 148 ms 197268 KB Output is correct
9 Correct 150 ms 197240 KB Output is correct
10 Correct 147 ms 197240 KB Output is correct
11 Correct 149 ms 197368 KB Output is correct
12 Correct 150 ms 197368 KB Output is correct
13 Correct 152 ms 197496 KB Output is correct
14 Correct 153 ms 197708 KB Output is correct
15 Correct 149 ms 197240 KB Output is correct
16 Correct 157 ms 197240 KB Output is correct
17 Correct 150 ms 197240 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 157 ms 197240 KB Output is correct
2 Correct 150 ms 197240 KB Output is correct
3 Correct 425 ms 207140 KB Output is correct
4 Correct 569 ms 213284 KB Output is correct
5 Correct 569 ms 212596 KB Output is correct
6 Correct 492 ms 209680 KB Output is correct
7 Correct 530 ms 209800 KB Output is correct
8 Correct 268 ms 205892 KB Output is correct
9 Correct 557 ms 213312 KB Output is correct
10 Correct 552 ms 212548 KB Output is correct
11 Correct 552 ms 209852 KB Output is correct
12 Correct 393 ms 212272 KB Output is correct
13 Correct 394 ms 213208 KB Output is correct
14 Correct 399 ms 212704 KB Output is correct
15 Correct 374 ms 209860 KB Output is correct
16 Correct 458 ms 208832 KB Output is correct

Subtask #3
24.0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Correct 149 ms 197240 KB Output is correct
2 Correct 330 ms 213448 KB Output is correct
3 Correct 254 ms 213316 KB Output is correct
4 Correct 270 ms 211524 KB Output is correct
5 Correct 245 ms 210248 KB Output is correct
6 Correct 238 ms 205892 KB Output is correct
7 Correct 267 ms 206660 KB Output is correct
8 Correct 307 ms 209092 KB Output is correct
9 Correct 300 ms 208292 KB Output is correct
10 Correct 212 ms 201812 KB Output is correct
11 Correct 257 ms 207556 KB Output is correct
12 Correct 337 ms 213444 KB Output is correct
13 Correct 246 ms 213188 KB Output is correct
14 Correct 266 ms 211400 KB Output is correct
15 Correct 244 ms 210244 KB Output is correct
16 Correct 235 ms 206020 KB Output is correct
17 Correct 247 ms 206660 KB Output is correct
18 Correct 305 ms 208920 KB Output is correct
19 Correct 291 ms 213520 KB Output is correct
20 Correct 306 ms 213384 KB Output is correct
21 Correct 324 ms 209012 KB Output is correct
22 Correct 299 ms 208324 KB Output is correct
23 Correct 208 ms 201916 KB Output is correct
24 Correct 267 ms 207300 KB Output is correct
25 Correct 340 ms 213572 KB Output is correct
26 Correct 261 ms 213072 KB Output is correct
27 Correct 283 ms 211396 KB Output is correct
28 Correct 268 ms 210224 KB Output is correct
29 Correct 246 ms 205864 KB Output is correct
30 Correct 260 ms 206660 KB Output is correct
31 Correct 302 ms 208836 KB Output is correct
32 Correct 283 ms 213444 KB Output is correct
33 Correct 292 ms 213460 KB Output is correct

Subtask #4
27.0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 149 ms 197244 KB Output is correct
2 Correct 153 ms 197368 KB Output is correct
3 Correct 149 ms 197216 KB Output is correct
4 Correct 150 ms 197268 KB Output is correct
5 Correct 152 ms 197752 KB Output is correct
6 Correct 150 ms 197188 KB Output is correct
7 Correct 149 ms 197248 KB Output is correct
8 Correct 148 ms 197268 KB Output is correct
9 Correct 150 ms 197240 KB Output is correct
10 Correct 147 ms 197240 KB Output is correct
11 Correct 149 ms 197368 KB Output is correct
12 Correct 150 ms 197368 KB Output is correct
13 Correct 152 ms 197496 KB Output is correct
14 Correct 153 ms 197708 KB Output is correct
15 Correct 149 ms 197240 KB Output is correct
16 Correct 157 ms 197240 KB Output is correct
17 Correct 150 ms 197240 KB Output is correct
18 Correct 458 ms 206844 KB Output is correct
19 Correct 260 ms 198364 KB Output is correct
20 Correct 228 ms 197884 KB Output is correct
21 Correct 234 ms 198008 KB Output is correct
22 Correct 241 ms 198232 KB Output is correct
23 Correct 249 ms 198404 KB Output is correct
24 Correct 243 ms 198264 KB Output is correct
25 Correct 242 ms 198264 KB Output is correct
26 Correct 248 ms 198392 KB Output is correct
27 Correct 341 ms 206688 KB Output is correct
28 Correct 390 ms 206004 KB Output is correct
29 Correct 331 ms 206656 KB Output is correct
30 Correct 436 ms 208780 KB Output is correct
31 Correct 153 ms 197240 KB Output is correct
32 Correct 430 ms 206792 KB Output is correct

Subtask #5
26.0 / 26.0

# 결과 실행 시간 메모리 Grader output
1 Correct 149 ms 197244 KB Output is correct
2 Correct 153 ms 197368 KB Output is correct
3 Correct 149 ms 197216 KB Output is correct
4 Correct 150 ms 197268 KB Output is correct
5 Correct 152 ms 197752 KB Output is correct
6 Correct 150 ms 197188 KB Output is correct
7 Correct 149 ms 197248 KB Output is correct
8 Correct 148 ms 197268 KB Output is correct
9 Correct 150 ms 197240 KB Output is correct
10 Correct 147 ms 197240 KB Output is correct
11 Correct 149 ms 197368 KB Output is correct
12 Correct 150 ms 197368 KB Output is correct
13 Correct 152 ms 197496 KB Output is correct
14 Correct 153 ms 197708 KB Output is correct
15 Correct 149 ms 197240 KB Output is correct
16 Correct 157 ms 197240 KB Output is correct
17 Correct 150 ms 197240 KB Output is correct
18 Correct 458 ms 206844 KB Output is correct
19 Correct 260 ms 198364 KB Output is correct
20 Correct 228 ms 197884 KB Output is correct
21 Correct 234 ms 198008 KB Output is correct
22 Correct 241 ms 198232 KB Output is correct
23 Correct 249 ms 198404 KB Output is correct
24 Correct 243 ms 198264 KB Output is correct
25 Correct 242 ms 198264 KB Output is correct
26 Correct 248 ms 198392 KB Output is correct
27 Correct 341 ms 206688 KB Output is correct
28 Correct 390 ms 206004 KB Output is correct
29 Correct 331 ms 206656 KB Output is correct
30 Correct 436 ms 208780 KB Output is correct
31 Correct 153 ms 197240 KB Output is correct
32 Correct 430 ms 206792 KB Output is correct
33 Correct 330 ms 213448 KB Output is correct
34 Correct 254 ms 213316 KB Output is correct
35 Correct 270 ms 211524 KB Output is correct
36 Correct 245 ms 210248 KB Output is correct
37 Correct 238 ms 205892 KB Output is correct
38 Correct 267 ms 206660 KB Output is correct
39 Correct 307 ms 209092 KB Output is correct
40 Correct 300 ms 208292 KB Output is correct
41 Correct 212 ms 201812 KB Output is correct
42 Correct 257 ms 207556 KB Output is correct
43 Correct 337 ms 213444 KB Output is correct
44 Correct 246 ms 213188 KB Output is correct
45 Correct 266 ms 211400 KB Output is correct
46 Correct 244 ms 210244 KB Output is correct
47 Correct 235 ms 206020 KB Output is correct
48 Correct 247 ms 206660 KB Output is correct
49 Correct 305 ms 208920 KB Output is correct
50 Correct 291 ms 213520 KB Output is correct
51 Correct 306 ms 213384 KB Output is correct
52 Correct 324 ms 209012 KB Output is correct
53 Correct 299 ms 208324 KB Output is correct
54 Correct 208 ms 201916 KB Output is correct
55 Correct 267 ms 207300 KB Output is correct
56 Correct 340 ms 213572 KB Output is correct
57 Correct 261 ms 213072 KB Output is correct
58 Correct 283 ms 211396 KB Output is correct
59 Correct 268 ms 210224 KB Output is correct
60 Correct 246 ms 205864 KB Output is correct
61 Correct 260 ms 206660 KB Output is correct
62 Correct 302 ms 208836 KB Output is correct
63 Correct 283 ms 213444 KB Output is correct
64 Correct 292 ms 213460 KB Output is correct
65 Correct 644 ms 209728 KB Output is correct
66 Correct 624 ms 209028 KB Output is correct
67 Correct 310 ms 202608 KB Output is correct
68 Correct 382 ms 208136 KB Output is correct
69 Correct 479 ms 214212 KB Output is correct
70 Correct 365 ms 213900 KB Output is correct
71 Correct 404 ms 212292 KB Output is correct
72 Correct 372 ms 211084 KB Output is correct
73 Correct 326 ms 206616 KB Output is correct
74 Correct 355 ms 207300 KB Output is correct
75 Correct 382 ms 209456 KB Output is correct
76 Correct 424 ms 214140 KB Output is correct
77 Correct 409 ms 214184 KB Output is correct
78 Correct 425 ms 207140 KB Output is correct
79 Correct 569 ms 213284 KB Output is correct
80 Correct 569 ms 212596 KB Output is correct
81 Correct 492 ms 209680 KB Output is correct
82 Correct 530 ms 209800 KB Output is correct
83 Correct 268 ms 205892 KB Output is correct
84 Correct 557 ms 213312 KB Output is correct
85 Correct 552 ms 212548 KB Output is correct
86 Correct 552 ms 209852 KB Output is correct
87 Correct 393 ms 212272 KB Output is correct
88 Correct 394 ms 213208 KB Output is correct
89 Correct 399 ms 212704 KB Output is correct
90 Correct 374 ms 209860 KB Output is correct
91 Correct 458 ms 208832 KB Output is correct