oj.uz

Submission #97207

# Submission time Handle Problem Language Result Execution time Memory
97207 2019-02-14T11:35:38 Z E869120 Land of the Rainbow Gold (APIO17_rainbow) C++14
74 / 100
 3000 ms 17528 KB 
#include "rainbow.h"
#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

const long long BASE = 10000000LL;

vector<bool> used[2009]; int H, W, minx = (1 << 30), miny = (1 << 30), maxx = 0, maxy = 0;
vector<int> A[4][2009], A2[2009], A3[2009], A4[2009];
vector<pair<int, int>> G[4];

void putvector(int px, int py) {
	G[0].push_back(make_pair(px, py));
	G[1].push_back(make_pair(px, py - 1));
	G[1].push_back(make_pair(px, py));
	G[2].push_back(make_pair(px - 1, py));
	G[2].push_back(make_pair(px, py));
	G[3].push_back(make_pair(px - 1, py - 1));
	G[3].push_back(make_pair(px - 1, py));
	G[3].push_back(make_pair(px, py - 1));
	G[3].push_back(make_pair(px, py));
}

void init(int R, int C, int sr, int sc, int M, char *S) {
	H = R; W = C;
	if (1LL * H*W <= BASE) {
		for (int i = 0; i <= H; i++) used[i].resize(W + 1, true);
		for (int i = 0; i <= H; i++) { for (int j = 0; j < 4; j++) A[j][i].resize(W + 1, 0); }

		int cx = sr, cy = sc; used[cx][cy] = false; minx = cx; miny = cy; maxx = cx; maxy = cy;
		for (int i = 0; i < M; i++) {
			if (S[i] == 'E') cy++;
			if (S[i] == 'W') cy--;
			if (S[i] == 'N') cx--;
			if (S[i] == 'S') cx++;
			used[cx][cy] = false;
			minx = min(minx, cx); maxx = max(maxx, cx);
			miny = min(miny, cy); maxy = max(maxy, cy);
		}
		for (int i = 1; i <= H; i++) {
			for (int j = 1; j <= W; j++) { if (used[i][j] == true) A[0][i][j] = 1; }
		}
		for (int i = 1; i <= H; i++) {
			for (int j = 1; j <= W - 1; j++) { if (used[i][j] == true && used[i][j + 1] == true) A[1][i][j] = 1; }
		}
		for (int i = 1; i <= H - 1; i++) {
			for (int j = 1; j <= W; j++) { if (used[i][j] == true && used[i + 1][j] == true) A[2][i][j] = 1; }
		}
		for (int i = 1; i <= H - 1; i++) {
			for (int j = 1; j <= W - 1; j++) { if (used[i][j] == true && used[i][j + 1] == true && used[i + 1][j] == true && used[i + 1][j + 1] == true) A[3][i][j] = 1; }
		}
		for (int i = 0; i < 4; i++) {
			for (int j = 0; j <= H; j++) {
				for (int k = 1; k <= W; k++) A[i][j][k] += A[i][j][k - 1];
			}
			for (int j = 1; j <= H; j++) {
				for (int k = 0; k <= W; k++) A[i][j][k] += A[i][j - 1][k];
			}
		}
	}
	else {
		int cx = sr, cy = sc; putvector(cx, cy);
		for (int i = 0; i < M; i++) {
			if (S[i] == 'E') cy++;
			if (S[i] == 'W') cy--;
			if (S[i] == 'N') cx--;
			if (S[i] == 'S') cx++;
			putvector(cx, cy);
			minx = min(minx, cx); maxx = max(maxx, cx);
			miny = min(miny, cy); maxy = max(maxy, cy);
		}
		for (int i = 0; i < 4; i++) {
			sort(G[i].begin(), G[i].end());
			G[i].erase(unique(G[i].begin(), G[i].end()), G[i].end());
		}
	}
}

int ranged(int ty, int px, int py, int qx, int qy) {
	if (px > qx || py > qy) return 0;
	return A[ty][px - 1][py - 1] + A[ty][qx][qy] - A[ty][px - 1][qy] - A[ty][qx][py - 1];
}
long long big_ranged_attack(int ty, int px, int py, int qx, int qy) {
	if (px > qx || py > py) return 0;

	int rem = 0;
	for (int i = 0; i < G[ty].size(); i++) {
		if (px <= G[ty][i].first && G[ty][i].first <= qx && py <= G[ty][i].second && G[ty][i].second <= qy) rem++;
	}
	return rem;
}

int colour(int ar, int ac, int br, int bc) {
	if (1LL * H*W <= BASE) {
		int Z1 = ranged(0, ar, ac, br, bc);
		int Z2 = ranged(1, ar, ac, br, bc - 1);
		int Z3 = ranged(2, ar, ac, br - 1, bc);
		int Z4 = ranged(3, ar, ac, br - 1, bc - 1);
		int BONUS = 0; if (ar < minx && maxx < br && ac < miny && maxy < bc) BONUS = 1;
		return (Z1 - Z2 - Z3 + Z4 + BONUS);
	}
	else {
		long long V1 = br - ar + 1, V2 = bc - ac + 1;
		long long Z1 = V1 * V2 - big_ranged_attack(0, ar, ac, br, bc);
		long long Z2 = V1 * (V2 - 1) - big_ranged_attack(1, ar, ac, br, bc - 1);
		long long Z3 = (V1 - 1) * V2 - big_ranged_attack(2, ar, ac, br - 1, bc);
		long long Z4 = (V1 - 1) * (V2 - 1) - big_ranged_attack(3, ar, ac, br - 1, bc - 1);
		long long BONUS = 0; if (ar < minx && maxx < br && ac < miny && maxy < bc) BONUS = 1;
		return (Z1 - Z2 - Z3 + Z4 + BONUS);
	}
}

Compilation message

rainbow.cpp: In function 'long long int big_ranged_attack(int, int, int, int, int)':
rainbow.cpp:85:20: warning: self-comparison always evaluates to false [-Wtautological-compare]
  if (px > qx || py > py) return 0;
                 ~~~^~~~
rainbow.cpp:88:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < G[ty].size(); i++) {
                  ~~^~~~~~~~~~~~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 768 KB Output is correct
2 Correct 4 ms 768 KB Output is correct
3 Correct 3 ms 768 KB Output is correct
4 Correct 4 ms 768 KB Output is correct
5 Correct 3 ms 768 KB Output is correct
6 Correct 3 ms 768 KB Output is correct
7 Correct 3 ms 768 KB Output is correct
8 Correct 2 ms 768 KB Output is correct
9 Correct 3 ms 768 KB Output is correct
10 Correct 3 ms 768 KB Output is correct
11 Correct 4 ms 768 KB Output is correct
12 Correct 3 ms 768 KB Output is correct
13 Correct 4 ms 768 KB Output is correct
14 Correct 4 ms 764 KB Output is correct
15 Correct 2 ms 768 KB Output is correct
16 Correct 3 ms 768 KB Output is correct
17 Correct 3 ms 768 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 768 KB Output is correct
2 Correct 3 ms 768 KB Output is correct
3 Correct 121 ms 11000 KB Output is correct
4 Correct 118 ms 10972 KB Output is correct
5 Correct 115 ms 11000 KB Output is correct
6 Correct 111 ms 10988 KB Output is correct
7 Correct 93 ms 11000 KB Output is correct
8 Correct 129 ms 11076 KB Output is correct
9 Correct 138 ms 11140 KB Output is correct
10 Correct 153 ms 10984 KB Output is correct
11 Correct 147 ms 11000 KB Output is correct
12 Correct 87 ms 11080 KB Output is correct
13 Correct 86 ms 11000 KB Output is correct
14 Correct 80 ms 11136 KB Output is correct
15 Correct 119 ms 11128 KB Output is correct
16 Correct 117 ms 10980 KB Output is correct

Subtask #3
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 768 KB Output is correct
2 Correct 75 ms 8652 KB Output is correct
3 Correct 48 ms 8656 KB Output is correct
4 Correct 42 ms 8648 KB Output is correct
5 Correct 50 ms 8268 KB Output is correct
6 Correct 87 ms 8832 KB Output is correct
7 Correct 94 ms 8812 KB Output is correct
8 Correct 14 ms 5376 KB Output is correct
9 Correct 15 ms 6016 KB Output is correct
10 Correct 48 ms 4492 KB Output is correct
11 Correct 86 ms 8692 KB Output is correct
12 Correct 80 ms 8772 KB Output is correct
13 Correct 44 ms 8648 KB Output is correct
14 Correct 47 ms 8776 KB Output is correct
15 Correct 65 ms 8276 KB Output is correct
16 Correct 97 ms 8772 KB Output is correct
17 Correct 101 ms 8704 KB Output is correct
18 Correct 80 ms 8656 KB Output is correct
19 Correct 54 ms 8756 KB Output is correct
20 Correct 56 ms 8648 KB Output is correct
21 Correct 14 ms 5376 KB Output is correct
22 Correct 15 ms 6016 KB Output is correct
23 Correct 49 ms 4492 KB Output is correct
24 Correct 97 ms 8536 KB Output is correct
25 Correct 89 ms 8648 KB Output is correct
26 Correct 45 ms 8648 KB Output is correct
27 Correct 49 ms 8740 KB Output is correct
28 Correct 60 ms 8424 KB Output is correct
29 Correct 93 ms 8644 KB Output is correct
30 Correct 91 ms 8648 KB Output is correct
31 Correct 85 ms 8712 KB Output is correct
32 Correct 62 ms 8648 KB Output is correct
33 Correct 53 ms 8708 KB Output is correct

Subtask #4
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 768 KB Output is correct
2 Correct 4 ms 768 KB Output is correct
3 Correct 3 ms 768 KB Output is correct
4 Correct 4 ms 768 KB Output is correct
5 Correct 3 ms 768 KB Output is correct
6 Correct 3 ms 768 KB Output is correct
7 Correct 3 ms 768 KB Output is correct
8 Correct 2 ms 768 KB Output is correct
9 Correct 3 ms 768 KB Output is correct
10 Correct 3 ms 768 KB Output is correct
11 Correct 4 ms 768 KB Output is correct
12 Correct 3 ms 768 KB Output is correct
13 Correct 4 ms 768 KB Output is correct
14 Correct 4 ms 764 KB Output is correct
15 Correct 2 ms 768 KB Output is correct
16 Correct 3 ms 768 KB Output is correct
17 Correct 3 ms 768 KB Output is correct
18 Correct 138 ms 17372 KB Output is correct
19 Correct 112 ms 3072 KB Output is correct
20 Correct 73 ms 1544 KB Output is correct
21 Correct 69 ms 2204 KB Output is correct
22 Correct 105 ms 3024 KB Output is correct
23 Correct 101 ms 3064 KB Output is correct
24 Correct 77 ms 1656 KB Output is correct
25 Correct 67 ms 2076 KB Output is correct
26 Correct 86 ms 3064 KB Output is correct
27 Correct 145 ms 17400 KB Output is correct
28 Correct 155 ms 17528 KB Output is correct
29 Correct 146 ms 17528 KB Output is correct
30 Correct 152 ms 17484 KB Output is correct
31 Correct 4 ms 768 KB Output is correct
32 Correct 121 ms 17488 KB Output is correct

Subtask #5
0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 768 KB Output is correct
2 Correct 4 ms 768 KB Output is correct
3 Correct 3 ms 768 KB Output is correct
4 Correct 4 ms 768 KB Output is correct
5 Correct 3 ms 768 KB Output is correct
6 Correct 3 ms 768 KB Output is correct
7 Correct 3 ms 768 KB Output is correct
8 Correct 2 ms 768 KB Output is correct
9 Correct 3 ms 768 KB Output is correct
10 Correct 3 ms 768 KB Output is correct
11 Correct 4 ms 768 KB Output is correct
12 Correct 3 ms 768 KB Output is correct
13 Correct 4 ms 768 KB Output is correct
14 Correct 4 ms 764 KB Output is correct
15 Correct 2 ms 768 KB Output is correct
16 Correct 3 ms 768 KB Output is correct
17 Correct 3 ms 768 KB Output is correct
18 Correct 138 ms 17372 KB Output is correct
19 Correct 112 ms 3072 KB Output is correct
20 Correct 73 ms 1544 KB Output is correct
21 Correct 69 ms 2204 KB Output is correct
22 Correct 105 ms 3024 KB Output is correct
23 Correct 101 ms 3064 KB Output is correct
24 Correct 77 ms 1656 KB Output is correct
25 Correct 67 ms 2076 KB Output is correct
26 Correct 86 ms 3064 KB Output is correct
27 Correct 145 ms 17400 KB Output is correct
28 Correct 155 ms 17528 KB Output is correct
29 Correct 146 ms 17528 KB Output is correct
30 Correct 152 ms 17484 KB Output is correct
31 Correct 4 ms 768 KB Output is correct
32 Correct 121 ms 17488 KB Output is correct
33 Correct 75 ms 8652 KB Output is correct
34 Correct 48 ms 8656 KB Output is correct
35 Correct 42 ms 8648 KB Output is correct
36 Correct 50 ms 8268 KB Output is correct
37 Correct 87 ms 8832 KB Output is correct
38 Correct 94 ms 8812 KB Output is correct
39 Correct 14 ms 5376 KB Output is correct
40 Correct 15 ms 6016 KB Output is correct
41 Correct 48 ms 4492 KB Output is correct
42 Correct 86 ms 8692 KB Output is correct
43 Correct 80 ms 8772 KB Output is correct
44 Correct 44 ms 8648 KB Output is correct
45 Correct 47 ms 8776 KB Output is correct
46 Correct 65 ms 8276 KB Output is correct
47 Correct 97 ms 8772 KB Output is correct
48 Correct 101 ms 8704 KB Output is correct
49 Correct 80 ms 8656 KB Output is correct
50 Correct 54 ms 8756 KB Output is correct
51 Correct 56 ms 8648 KB Output is correct
52 Correct 14 ms 5376 KB Output is correct
53 Correct 15 ms 6016 KB Output is correct
54 Correct 49 ms 4492 KB Output is correct
55 Correct 97 ms 8536 KB Output is correct
56 Correct 89 ms 8648 KB Output is correct
57 Correct 45 ms 8648 KB Output is correct
58 Correct 49 ms 8740 KB Output is correct
59 Correct 60 ms 8424 KB Output is correct
60 Correct 93 ms 8644 KB Output is correct
61 Correct 91 ms 8648 KB Output is correct
62 Correct 85 ms 8712 KB Output is correct
63 Correct 62 ms 8648 KB Output is correct
64 Correct 53 ms 8708 KB Output is correct
65 Correct 98 ms 6116 KB Output is correct
66 Correct 104 ms 6692 KB Output is correct
67 Execution timed out 3059 ms 4844 KB Time limit exceeded
68 Halted 0 ms 0 KB -