oj.uz

Submission #558997

# Submission time Handle Problem Language Result Execution time Memory
558997 2022-05-09T07:18:52 Z LastRonin Rainforest Jumps (APIO21_jumps) C++14
48 / 100
 1179 ms 47872 KB 
#include "jumps.h"
 
#include <bits/stdc++.h>
 
#define ll long long
#define pii pair<int, int>
#define f first
#define s second
 
using namespace std;
 
const int N = 2e5 + 10;
 
int bp[N][18];
int bp2[N][18];
int bp3[N][18];
int z[N], h[N];
int Le[N], Ri[N];
 
void init(int n, vector<int> H) {
	for(int j = 1; j <= n; j++)
		h[j] = H[j - 1];
    stack<int> L, R;
	for(int j = 1; j <= n; j++)
		z[h[j]] = j;
	for(int i = 1; i <= n; i++) {
		while(L.size() && L.top() <= h[i])L.pop();	
		if(L.size())
			Le[i] = L.top();
		L.push(h[i]);		
	}	
	for(int i = n; i >= 1; i--) {
		while(R.size() && R.top() <= h[i])R.pop();	
		if(R.size())
			Ri[i] = R.top();
		R.push(h[i]);		
	}
	for(int j = n; j >= 1; j--) {
		bp[z[j]][0] = (Le[z[j]] > Ri[z[j]] ? Le[z[j]] : Ri[z[j]]);
		bp2[z[j]][0] = Ri[z[j]];
		bp3[z[j]][0] = Le[z[j]];
		for(int i = 1; i < 18; i++) {
			bp[z[j]][i] = bp[z[bp[z[j]][i - 1]]][i - 1];
			bp2[z[j]][i] = bp2[z[bp2[z[j]][i - 1]]][i - 1];
			bp3[z[j]][i] = bp3[z[bp3[z[j]][i - 1]]][i - 1];
		}
	}	
}
 
int minimum_jumps(int A, int B, int C, int D) {	
	A++, B++, C++, D++;
	ll X = B;
	for(int j = 17; j >= 0; j--) {
		if(bp2[X][j] == 0)continue;
		if(z[bp2[X][j]] < C) {
			X = z[bp2[X][j]];
		}
	}
	X = z[bp2[X][0]];	
	if(X > D || X == 0)return -1;
	C = X;

	for(int j = 17; j >= 0; j--) {
		if(bp3[B][j] == 0)continue;
		if(bp3[B][j] <= h[C] && z[bp3[B][j]] >= A) {
			B = z[bp3[B][j]];
		}		
	}
	ll F = Le[B];
//	if(F >= A && Ri[F] <= D && Ri[F] >= C)return 1;
	ll cnt = 0;
	for(int j = 17; j >= 0; j--) {
		if(bp[B][j] == 0)continue;
		if(bp[B][j] <= h[C]) {
			cnt += (1<<j);
			B = z[bp[B][j]];
		}
	}
	for(int j = 17; j >= 0; j--) {
		if(bp2[B][j] == 0)continue;
		if(bp2[B][j] <= h[C]) {
			cnt += (1<<j);
			B = z[bp2[B][j]];
		}
	}
	if(B != C)return -1;
	return cnt;
}

Compilation message

jumps.cpp: In function 'int minimum_jumps(int, int, int, int)':
jumps.cpp:69:5: warning: unused variable 'F' [-Wunused-variable]
   69 |  ll F = Le[B];
      |     ^

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 184 ms 37656 KB Output is correct
4 Correct 1052 ms 47228 KB Output is correct
5 Correct 919 ms 23880 KB Output is correct
6 Correct 1101 ms 47264 KB Output is correct
7 Correct 888 ms 32332 KB Output is correct
8 Correct 1179 ms 47264 KB Output is correct

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 336 KB Output is correct
2 Correct 0 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 2 ms 336 KB Output is correct
6 Incorrect 3 ms 336 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 336 KB Output is correct
2 Correct 0 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 2 ms 336 KB Output is correct
6 Incorrect 3 ms 336 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #4
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 0 ms 336 KB Output is correct
4 Correct 0 ms 336 KB Output is correct
5 Correct 106 ms 38088 KB Output is correct
6 Correct 153 ms 47260 KB Output is correct
7 Correct 64 ms 24268 KB Output is correct
8 Incorrect 158 ms 47168 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 336 KB Output is correct
2 Correct 0 ms 336 KB Output is correct
3 Correct 0 ms 336 KB Output is correct
4 Correct 273 ms 21804 KB Output is correct
5 Correct 998 ms 47160 KB Output is correct
6 Correct 559 ms 8076 KB Output is correct
7 Correct 805 ms 47264 KB Output is correct
8 Correct 443 ms 16456 KB Output is correct
9 Correct 816 ms 47256 KB Output is correct
10 Correct 1014 ms 47304 KB Output is correct
11 Correct 1044 ms 47872 KB Output is correct
12 Correct 1006 ms 47304 KB Output is correct
13 Correct 952 ms 47176 KB Output is correct
14 Correct 1041 ms 47640 KB Output is correct
15 Correct 859 ms 47396 KB Output is correct
16 Correct 833 ms 47360 KB Output is correct
17 Correct 0 ms 336 KB Output is correct
18 Correct 0 ms 336 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 2 ms 336 KB Output is correct
21 Correct 2 ms 336 KB Output is correct
22 Correct 2 ms 336 KB Output is correct
23 Correct 2 ms 336 KB Output is correct
24 Correct 2 ms 336 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 1 ms 464 KB Output is correct
27 Correct 19 ms 720 KB Output is correct
28 Correct 17 ms 720 KB Output is correct
29 Correct 22 ms 720 KB Output is correct
30 Correct 19 ms 720 KB Output is correct
31 Correct 22 ms 720 KB Output is correct
32 Correct 0 ms 336 KB Output is correct
33 Correct 70 ms 27480 KB Output is correct
34 Correct 131 ms 47256 KB Output is correct
35 Correct 76 ms 47296 KB Output is correct
36 Correct 112 ms 47264 KB Output is correct
37 Correct 117 ms 47644 KB Output is correct
38 Correct 71 ms 47524 KB Output is correct

Subtask #6
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 336 KB Output is correct
2 Correct 0 ms 336 KB Output is correct
3 Correct 0 ms 336 KB Output is correct
4 Correct 273 ms 21804 KB Output is correct
5 Correct 998 ms 47160 KB Output is correct
6 Correct 559 ms 8076 KB Output is correct
7 Correct 805 ms 47264 KB Output is correct
8 Correct 443 ms 16456 KB Output is correct
9 Correct 816 ms 47256 KB Output is correct
10 Correct 1014 ms 47304 KB Output is correct
11 Correct 1044 ms 47872 KB Output is correct
12 Correct 1006 ms 47304 KB Output is correct
13 Correct 952 ms 47176 KB Output is correct
14 Correct 1041 ms 47640 KB Output is correct
15 Correct 859 ms 47396 KB Output is correct
16 Correct 833 ms 47360 KB Output is correct
17 Correct 0 ms 336 KB Output is correct
18 Correct 0 ms 336 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 2 ms 336 KB Output is correct
21 Correct 2 ms 336 KB Output is correct
22 Correct 2 ms 336 KB Output is correct
23 Correct 2 ms 336 KB Output is correct
24 Correct 2 ms 336 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 1 ms 464 KB Output is correct
27 Correct 19 ms 720 KB Output is correct
28 Correct 17 ms 720 KB Output is correct
29 Correct 22 ms 720 KB Output is correct
30 Correct 19 ms 720 KB Output is correct
31 Correct 22 ms 720 KB Output is correct
32 Correct 0 ms 336 KB Output is correct
33 Correct 70 ms 27480 KB Output is correct
34 Correct 131 ms 47256 KB Output is correct
35 Correct 76 ms 47296 KB Output is correct
36 Correct 112 ms 47264 KB Output is correct
37 Correct 117 ms 47644 KB Output is correct
38 Correct 71 ms 47524 KB Output is correct
39 Correct 1 ms 336 KB Output is correct
40 Correct 0 ms 336 KB Output is correct
41 Correct 0 ms 336 KB Output is correct
42 Correct 224 ms 21792 KB Output is correct
43 Correct 998 ms 47160 KB Output is correct
44 Correct 634 ms 8016 KB Output is correct
45 Correct 926 ms 47264 KB Output is correct
46 Correct 532 ms 16456 KB Output is correct
47 Correct 821 ms 47288 KB Output is correct
48 Correct 1179 ms 47292 KB Output is correct
49 Correct 1006 ms 47788 KB Output is correct
50 Correct 1109 ms 47224 KB Output is correct
51 Correct 964 ms 47284 KB Output is correct
52 Correct 1036 ms 47680 KB Output is correct
53 Correct 849 ms 47332 KB Output is correct
54 Correct 820 ms 47424 KB Output is correct
55 Correct 0 ms 336 KB Output is correct
56 Correct 197 ms 47048 KB Output is correct
57 Correct 895 ms 47288 KB Output is correct
58 Correct 426 ms 8528 KB Output is correct
59 Correct 816 ms 47188 KB Output is correct
60 Correct 362 ms 17000 KB Output is correct
61 Correct 880 ms 47176 KB Output is correct
62 Correct 1020 ms 47292 KB Output is correct
63 Correct 888 ms 47492 KB Output is correct
64 Correct 889 ms 47332 KB Output is correct
65 Correct 899 ms 47160 KB Output is correct
66 Correct 958 ms 47688 KB Output is correct
67 Correct 928 ms 47688 KB Output is correct
68 Correct 843 ms 47316 KB Output is correct
69 Correct 0 ms 336 KB Output is correct
70 Correct 1 ms 336 KB Output is correct
71 Correct 2 ms 336 KB Output is correct
72 Correct 2 ms 336 KB Output is correct
73 Correct 2 ms 336 KB Output is correct
74 Correct 2 ms 336 KB Output is correct
75 Correct 2 ms 336 KB Output is correct
76 Correct 0 ms 336 KB Output is correct
77 Correct 0 ms 336 KB Output is correct
78 Correct 2 ms 336 KB Output is correct
79 Correct 2 ms 336 KB Output is correct
80 Correct 2 ms 336 KB Output is correct
81 Correct 2 ms 336 KB Output is correct
82 Correct 2 ms 336 KB Output is correct
83 Correct 3 ms 336 KB Output is correct
84 Correct 0 ms 336 KB Output is correct
85 Correct 4 ms 336 KB Output is correct
86 Correct 17 ms 720 KB Output is correct
87 Correct 15 ms 720 KB Output is correct
88 Correct 19 ms 720 KB Output is correct
89 Correct 17 ms 720 KB Output is correct
90 Correct 13 ms 720 KB Output is correct
91 Correct 0 ms 336 KB Output is correct
92 Correct 1 ms 464 KB Output is correct
93 Correct 16 ms 720 KB Output is correct
94 Correct 18 ms 720 KB Output is correct
95 Correct 15 ms 720 KB Output is correct
96 Correct 19 ms 720 KB Output is correct
97 Correct 14 ms 720 KB Output is correct
98 Correct 0 ms 336 KB Output is correct
99 Correct 142 ms 47148 KB Output is correct
100 Correct 134 ms 47260 KB Output is correct
101 Correct 84 ms 47264 KB Output is correct
102 Correct 114 ms 47144 KB Output is correct
103 Correct 100 ms 47688 KB Output is correct
104 Correct 70 ms 47412 KB Output is correct
105 Correct 0 ms 336 KB Output is correct
106 Correct 70 ms 27512 KB Output is correct
107 Correct 138 ms 47144 KB Output is correct
108 Correct 73 ms 47264 KB Output is correct
109 Correct 111 ms 47252 KB Output is correct
110 Correct 116 ms 47600 KB Output is correct
111 Correct 71 ms 47424 KB Output is correct

Subtask #7
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 184 ms 37656 KB Output is correct
4 Correct 1052 ms 47228 KB Output is correct
5 Correct 919 ms 23880 KB Output is correct
6 Correct 1101 ms 47264 KB Output is correct
7 Correct 888 ms 32332 KB Output is correct
8 Correct 1179 ms 47264 KB Output is correct
9 Correct 0 ms 336 KB Output is correct
10 Correct 0 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 2 ms 336 KB Output is correct
14 Incorrect 3 ms 336 KB Output isn't correct
15 Halted 0 ms 0 KB -