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답안 #115465

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
115465 2019-06-07T15:35:14 Z 구사과(#2864) 무지개나라 (APIO17_rainbow) C++14
100 / 100
 1373 ms 188788 KB 
#include "rainbow.h"
#include <bits/stdc++.h>
using namespace std;
using pi = pair<int, int>;
const int MAXT = 20000000;
const int MAXN = 200005;

struct node{
	int l, r, sum;
}pool[MAXT];
int piv;

int newnode(){ return ++piv; }

void init(int s, int e, int p){
	if(s == e) return;
	int m = (s+e)/2;
	pool[p].l = newnode();
	pool[p].r = newnode();
	init(s, m, pool[p].l);
	init(m+1, e, pool[p].r);
}

void add(int pos, int s, int e, int prv, int cur){
	pool[cur].sum = pool[prv].sum + 1;
	if(s == e) return;
	int m = (s+e)/2;
	if(pos <= m){
		pool[cur].l = newnode();
		pool[cur].r = pool[prv].r;
		add(pos, s, m, pool[prv].l, pool[cur].l);
	}
	else{
		pool[cur].l = pool[prv].l;
		pool[cur].r = newnode();
		add(pos, m+1, e, pool[prv].r, pool[cur].r);
	}
}

int query(int s, int e, int ps, int pe, int p){
	if(e < ps || pe < s) return 0;
	if(s <= ps && pe <= e) return pool[p].sum;
	int pm = (ps + pe) / 2;
	return query(s, e, ps, pm, pool[p].l) + query(s, e, pm+1, pe, pool[p].r);
}

int tree[4][MAXN];
vector<int> v[4][MAXN];
int minx = 1e9, miny = 1e9, maxx = -1e9, maxy = -1e9, yMax;

void init(int R, int C, int sr, int sc, int M, char *S) {
	auto upload = [&](int x, int y){
		v[0][x].push_back(y);
		v[0][x].push_back(y + 1);
		v[0][x + 1].push_back(y);
		v[0][x + 1].push_back(y + 1);
		v[1][x].push_back(y);
		v[1][x].push_back(y + 1);
		v[2][x].push_back(y);
		v[2][x + 1].push_back(y);
		v[3][x].push_back(y);
		minx = min(minx, x); maxx = max(maxx, x + 1);
		miny = min(miny, y); maxy = max(maxy, y + 1);
	};
	upload(sr, sc);
	for(int i=0; i<M; i++){
		if(S[i] == 'N') sr--;
		if(S[i] == 'S') sr++;
		if(S[i] == 'E') sc++;
		if(S[i] == 'W') sc--;
		upload(sr, sc);
	}
	yMax = C + 1;
	for(int i=0; i<4; i++){
		tree[i][0] = newnode();
		init(1, yMax, tree[i][0]); 
		for(int j=1; j<=R+1; j++){
			sort(v[i][j].begin(), v[i][j].end());
			v[i][j].resize(unique(v[i][j].begin(), v[i][j].end()) - v[i][j].begin());
			int prv = tree[i][j-1];
			for(auto &k : v[i][j]){
				int nxt = newnode();
				add(k, 1, yMax, prv, nxt);
				prv = nxt;
			}
			tree[i][j] = prv;
		}
	}
}

int colour(int ar, int ac, int br, int bc) {
	auto query_helper = [&](int idx, int sx, int ex, int sy, int ey){
		return query(sy, ey, 1, yMax, tree[idx][ex]) 
		- query(sy, ey, 1, yMax, tree[idx][sx - 1]);
	};
	int V = query_helper(0, ar + 1, br, ac + 1, bc);
	int E = query_helper(1, ar, br, ac + 1, bc) + query_helper(2, ar + 1, br, ac, bc);
	int F = query_helper(3, ar, br, ac, bc);
	if(F == 0) return 1;
	if(ar < minx && maxx < br + 1 && ac < miny && maxy < bc + 1){
		return 2 + E - V - F;
	}
	return 1 + E - V - F;
}

Subtask #1
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 26 ms 19200 KB Output is correct
2 Correct 21 ms 19584 KB Output is correct
3 Correct 21 ms 19192 KB Output is correct
4 Correct 23 ms 19320 KB Output is correct
5 Correct 21 ms 19712 KB Output is correct
6 Correct 20 ms 19192 KB Output is correct
7 Correct 17 ms 19200 KB Output is correct
8 Correct 18 ms 19192 KB Output is correct
9 Correct 18 ms 19200 KB Output is correct
10 Correct 19 ms 19200 KB Output is correct
11 Correct 20 ms 19456 KB Output is correct
12 Correct 20 ms 19584 KB Output is correct
13 Correct 21 ms 19840 KB Output is correct
14 Correct 21 ms 20096 KB Output is correct
15 Correct 19 ms 19200 KB Output is correct
16 Correct 18 ms 19200 KB Output is correct
17 Correct 18 ms 19072 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 18 ms 19200 KB Output is correct
2 Correct 18 ms 19072 KB Output is correct
3 Correct 964 ms 122656 KB Output is correct
4 Correct 1107 ms 177632 KB Output is correct
5 Correct 1089 ms 176604 KB Output is correct
6 Correct 970 ms 146524 KB Output is correct
7 Correct 991 ms 145028 KB Output is correct
8 Correct 717 ms 46352 KB Output is correct
9 Correct 1159 ms 177184 KB Output is correct
10 Correct 1227 ms 176424 KB Output is correct
11 Correct 1057 ms 146368 KB Output is correct
12 Correct 478 ms 168296 KB Output is correct
13 Correct 429 ms 177568 KB Output is correct
14 Correct 595 ms 176312 KB Output is correct
15 Correct 391 ms 146396 KB Output is correct
16 Correct 1012 ms 137872 KB Output is correct

Subtask #3
24.0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Correct 19 ms 19200 KB Output is correct
2 Correct 264 ms 176980 KB Output is correct
3 Correct 215 ms 185324 KB Output is correct
4 Correct 205 ms 179960 KB Output is correct
5 Correct 186 ms 147488 KB Output is correct
6 Correct 98 ms 71108 KB Output is correct
7 Correct 124 ms 95224 KB Output is correct
8 Correct 195 ms 130136 KB Output is correct
9 Correct 173 ms 115488 KB Output is correct
10 Correct 62 ms 39852 KB Output is correct
11 Correct 131 ms 83128 KB Output is correct
12 Correct 235 ms 177052 KB Output is correct
13 Correct 262 ms 185208 KB Output is correct
14 Correct 235 ms 180068 KB Output is correct
15 Correct 182 ms 147548 KB Output is correct
16 Correct 92 ms 65656 KB Output is correct
17 Correct 126 ms 95736 KB Output is correct
18 Correct 204 ms 177400 KB Output is correct
19 Correct 209 ms 182196 KB Output is correct
20 Correct 221 ms 182004 KB Output is correct
21 Correct 195 ms 130144 KB Output is correct
22 Correct 188 ms 115628 KB Output is correct
23 Correct 61 ms 39932 KB Output is correct
24 Correct 133 ms 83284 KB Output is correct
25 Correct 212 ms 177108 KB Output is correct
26 Correct 237 ms 185212 KB Output is correct
27 Correct 238 ms 180036 KB Output is correct
28 Correct 197 ms 147812 KB Output is correct
29 Correct 95 ms 65724 KB Output is correct
30 Correct 122 ms 95608 KB Output is correct
31 Correct 205 ms 177468 KB Output is correct
32 Correct 211 ms 182096 KB Output is correct
33 Correct 212 ms 181988 KB Output is correct

Subtask #4
27.0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 26 ms 19200 KB Output is correct
2 Correct 21 ms 19584 KB Output is correct
3 Correct 21 ms 19192 KB Output is correct
4 Correct 23 ms 19320 KB Output is correct
5 Correct 21 ms 19712 KB Output is correct
6 Correct 20 ms 19192 KB Output is correct
7 Correct 17 ms 19200 KB Output is correct
8 Correct 18 ms 19192 KB Output is correct
9 Correct 18 ms 19200 KB Output is correct
10 Correct 19 ms 19200 KB Output is correct
11 Correct 20 ms 19456 KB Output is correct
12 Correct 20 ms 19584 KB Output is correct
13 Correct 21 ms 19840 KB Output is correct
14 Correct 21 ms 20096 KB Output is correct
15 Correct 19 ms 19200 KB Output is correct
16 Correct 18 ms 19200 KB Output is correct
17 Correct 18 ms 19072 KB Output is correct
18 Correct 815 ms 66824 KB Output is correct
19 Correct 264 ms 24688 KB Output is correct
20 Correct 194 ms 22968 KB Output is correct
21 Correct 189 ms 23160 KB Output is correct
22 Correct 215 ms 23544 KB Output is correct
23 Correct 227 ms 24580 KB Output is correct
24 Correct 154 ms 23132 KB Output is correct
25 Correct 175 ms 23416 KB Output is correct
26 Correct 197 ms 23764 KB Output is correct
27 Correct 383 ms 59388 KB Output is correct
28 Correct 295 ms 43256 KB Output is correct
29 Correct 388 ms 56952 KB Output is correct
30 Correct 555 ms 104796 KB Output is correct
31 Correct 26 ms 19328 KB Output is correct
32 Correct 656 ms 59284 KB Output is correct

Subtask #5
26.0 / 26.0

# 결과 실행 시간 메모리 Grader output
1 Correct 26 ms 19200 KB Output is correct
2 Correct 21 ms 19584 KB Output is correct
3 Correct 21 ms 19192 KB Output is correct
4 Correct 23 ms 19320 KB Output is correct
5 Correct 21 ms 19712 KB Output is correct
6 Correct 20 ms 19192 KB Output is correct
7 Correct 17 ms 19200 KB Output is correct
8 Correct 18 ms 19192 KB Output is correct
9 Correct 18 ms 19200 KB Output is correct
10 Correct 19 ms 19200 KB Output is correct
11 Correct 20 ms 19456 KB Output is correct
12 Correct 20 ms 19584 KB Output is correct
13 Correct 21 ms 19840 KB Output is correct
14 Correct 21 ms 20096 KB Output is correct
15 Correct 19 ms 19200 KB Output is correct
16 Correct 18 ms 19200 KB Output is correct
17 Correct 18 ms 19072 KB Output is correct
18 Correct 815 ms 66824 KB Output is correct
19 Correct 264 ms 24688 KB Output is correct
20 Correct 194 ms 22968 KB Output is correct
21 Correct 189 ms 23160 KB Output is correct
22 Correct 215 ms 23544 KB Output is correct
23 Correct 227 ms 24580 KB Output is correct
24 Correct 154 ms 23132 KB Output is correct
25 Correct 175 ms 23416 KB Output is correct
26 Correct 197 ms 23764 KB Output is correct
27 Correct 383 ms 59388 KB Output is correct
28 Correct 295 ms 43256 KB Output is correct
29 Correct 388 ms 56952 KB Output is correct
30 Correct 555 ms 104796 KB Output is correct
31 Correct 26 ms 19328 KB Output is correct
32 Correct 656 ms 59284 KB Output is correct
33 Correct 264 ms 176980 KB Output is correct
34 Correct 215 ms 185324 KB Output is correct
35 Correct 205 ms 179960 KB Output is correct
36 Correct 186 ms 147488 KB Output is correct
37 Correct 98 ms 71108 KB Output is correct
38 Correct 124 ms 95224 KB Output is correct
39 Correct 195 ms 130136 KB Output is correct
40 Correct 173 ms 115488 KB Output is correct
41 Correct 62 ms 39852 KB Output is correct
42 Correct 131 ms 83128 KB Output is correct
43 Correct 235 ms 177052 KB Output is correct
44 Correct 262 ms 185208 KB Output is correct
45 Correct 235 ms 180068 KB Output is correct
46 Correct 182 ms 147548 KB Output is correct
47 Correct 92 ms 65656 KB Output is correct
48 Correct 126 ms 95736 KB Output is correct
49 Correct 204 ms 177400 KB Output is correct
50 Correct 209 ms 182196 KB Output is correct
51 Correct 221 ms 182004 KB Output is correct
52 Correct 195 ms 130144 KB Output is correct
53 Correct 188 ms 115628 KB Output is correct
54 Correct 61 ms 39932 KB Output is correct
55 Correct 133 ms 83284 KB Output is correct
56 Correct 212 ms 177108 KB Output is correct
57 Correct 237 ms 185212 KB Output is correct
58 Correct 238 ms 180036 KB Output is correct
59 Correct 197 ms 147812 KB Output is correct
60 Correct 95 ms 65724 KB Output is correct
61 Correct 122 ms 95608 KB Output is correct
62 Correct 205 ms 177468 KB Output is correct
63 Correct 211 ms 182096 KB Output is correct
64 Correct 212 ms 181988 KB Output is correct
65 Correct 1339 ms 133692 KB Output is correct
66 Correct 1373 ms 118900 KB Output is correct
67 Correct 515 ms 43416 KB Output is correct
68 Correct 774 ms 86648 KB Output is correct
69 Correct 1258 ms 180596 KB Output is correct
70 Correct 1050 ms 188788 KB Output is correct
71 Correct 1079 ms 183528 KB Output is correct
72 Correct 1083 ms 151148 KB Output is correct
73 Correct 993 ms 69108 KB Output is correct
74 Correct 898 ms 99252 KB Output is correct
75 Correct 967 ms 180964 KB Output is correct
76 Correct 1192 ms 185592 KB Output is correct
77 Correct 890 ms 185468 KB Output is correct
78 Correct 964 ms 122656 KB Output is correct
79 Correct 1107 ms 177632 KB Output is correct
80 Correct 1089 ms 176604 KB Output is correct
81 Correct 970 ms 146524 KB Output is correct
82 Correct 991 ms 145028 KB Output is correct
83 Correct 717 ms 46352 KB Output is correct
84 Correct 1159 ms 177184 KB Output is correct
85 Correct 1227 ms 176424 KB Output is correct
86 Correct 1057 ms 146368 KB Output is correct
87 Correct 478 ms 168296 KB Output is correct
88 Correct 429 ms 177568 KB Output is correct
89 Correct 595 ms 176312 KB Output is correct
90 Correct 391 ms 146396 KB Output is correct
91 Correct 1012 ms 137872 KB Output is correct