oj.uz

답안 #691583

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
691583 2023-01-31T09:38:20 Z Dan4Life 밀림 점프 (APIO21_jumps) C++17
48 / 100
 1185 ms 61480 KB 
#include "jumps.h"
#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define pb push_back

const int maxn = (int)2e5+10;
const int maxlg = 24;
const int INF = (int)1e9;

int n, pr[maxn], nx[maxn];
int gis[maxlg][maxn], high[maxlg][maxn], movR[maxlg][maxn];

void calc(int jmp[][maxn]){
    for(int i = 1; i < maxlg; i++)
        for(int j = 0; j < n; j++)
            if(jmp[i-1][j]!=-1) jmp[i][j] = jmp[i-1][jmp[i-1][j]];
}

void init(int N, vector<int> a) {
    n = N;
    stack<pair<int,int>> S;
    memset(pr,-1,sizeof(pr));
    memset(nx,-1,sizeof(nx));
    memset(gis,-1,sizeof(gis));
    memset(high,-1,sizeof(high));
    memset(movR,-1,sizeof(movR));
    for(int i = 0; i < n; i++){
        while(!S.empty() and S.top().fi<a[i]) S.pop();
        if(!S.empty()) pr[i] = S.top().se;
        S.push({a[i],i});
    }
    while(!S.empty()) S.pop();
    for(int i = n-1; i>=0; i--){
        while(!S.empty() and S.top().fi<a[i]) S.pop();
        if(!S.empty()) nx[i] = S.top().se;
        S.push({a[i],i});
    }
    while(!S.empty()) S.pop();
    for(int i = 0; i < n; i++){
        if(pr[i]!=-1) gis[0][i]=pr[i];
        if(nx[i]!=-1) movR[0][i]=nx[i];
        if(pr[i]!=-1 and nx[i]!=-1)
            high[0][i] = (a[pr[i]]<a[nx[i]]?nx[i]:pr[i]);
    }
    calc(gis), calc(high), calc(movR);
}

int get_path(int *x, int y, int z, int jmp[][maxn], int rx=0, int ry=maxn){
    int tot = 0; ry = min(ry,y);
    for(int i = 20; i >= 0; i--)
        if(jmp[i][*x]>=rx and jmp[i][*x]<ry)
            if(nx[jmp[i][*x]]!=-1 and nx[jmp[i][*x]]<=z)
                *x = jmp[i][*x], tot+=(1<<i);
    return tot;
}

int minimum_jumps(int A, int x, int C, int D) {
    get_path(&x,C,D,gis,A);
    int num1 = get_path(&x,C,D,high);
    int num2 = get_path(&x,C,D,movR);
    return ((nx[x]>=C and nx[x]<=D)?num1+num2+1:-1);
}

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 23 ms 58192 KB Output is correct
2 Correct 22 ms 58192 KB Output is correct
3 Correct 132 ms 60692 KB Output is correct
4 Correct 1185 ms 61344 KB Output is correct
5 Correct 922 ms 59764 KB Output is correct
6 Correct 1039 ms 61348 KB Output is correct
7 Correct 661 ms 60352 KB Output is correct
8 Correct 1024 ms 61384 KB Output is correct

Subtask #2
0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 23 ms 58184 KB Output is correct
2 Correct 21 ms 58088 KB Output is correct
3 Correct 21 ms 58192 KB Output is correct
4 Correct 21 ms 58136 KB Output is correct
5 Correct 22 ms 58124 KB Output is correct
6 Incorrect 24 ms 58208 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 23 ms 58184 KB Output is correct
2 Correct 21 ms 58088 KB Output is correct
3 Correct 21 ms 58192 KB Output is correct
4 Correct 21 ms 58136 KB Output is correct
5 Correct 22 ms 58124 KB Output is correct
6 Incorrect 24 ms 58208 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #4
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 21 ms 58192 KB Output is correct
2 Correct 21 ms 58120 KB Output is correct
3 Correct 23 ms 58160 KB Output is correct
4 Correct 21 ms 58192 KB Output is correct
5 Correct 50 ms 59424 KB Output is correct
6 Correct 75 ms 59720 KB Output is correct
7 Correct 46 ms 59020 KB Output is correct
8 Correct 58 ms 59720 KB Output is correct
9 Correct 27 ms 58440 KB Output is correct
10 Correct 58 ms 59700 KB Output is correct
11 Correct 63 ms 61480 KB Output is correct
12 Correct 73 ms 60952 KB Output is correct
13 Correct 54 ms 60936 KB Output is correct
14 Correct 55 ms 59720 KB Output is correct
15 Incorrect 53 ms 60564 KB Output isn't correct
16 Halted 0 ms 0 KB -

Subtask #5
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 24 ms 58192 KB Output is correct
2 Correct 23 ms 58192 KB Output is correct
3 Correct 22 ms 58196 KB Output is correct
4 Correct 265 ms 58860 KB Output is correct
5 Correct 1073 ms 59780 KB Output is correct
6 Correct 735 ms 58448 KB Output is correct
7 Correct 1020 ms 59684 KB Output is correct
8 Correct 662 ms 58696 KB Output is correct
9 Correct 800 ms 59704 KB Output is correct
10 Correct 1051 ms 61384 KB Output is correct
11 Correct 875 ms 61236 KB Output is correct
12 Correct 1113 ms 61184 KB Output is correct
13 Correct 757 ms 59672 KB Output is correct
14 Correct 813 ms 60604 KB Output is correct
15 Correct 1016 ms 61368 KB Output is correct
16 Correct 691 ms 61380 KB Output is correct
17 Correct 22 ms 58192 KB Output is correct
18 Correct 25 ms 58164 KB Output is correct
19 Correct 23 ms 58192 KB Output is correct
20 Correct 24 ms 58176 KB Output is correct
21 Correct 24 ms 58212 KB Output is correct
22 Correct 24 ms 58192 KB Output is correct
23 Correct 24 ms 58116 KB Output is correct
24 Correct 24 ms 58124 KB Output is correct
25 Correct 25 ms 58192 KB Output is correct
26 Correct 27 ms 58192 KB Output is correct
27 Correct 46 ms 58108 KB Output is correct
28 Correct 45 ms 58288 KB Output is correct
29 Correct 42 ms 58192 KB Output is correct
30 Correct 40 ms 58144 KB Output is correct
31 Correct 32 ms 58216 KB Output is correct
32 Correct 23 ms 58180 KB Output is correct
33 Correct 43 ms 59132 KB Output is correct
34 Correct 63 ms 59720 KB Output is correct
35 Correct 70 ms 61096 KB Output is correct
36 Correct 57 ms 59696 KB Output is correct
37 Correct 56 ms 60572 KB Output is correct
38 Correct 57 ms 61372 KB Output is correct

Subtask #6
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 24 ms 58192 KB Output is correct
2 Correct 23 ms 58192 KB Output is correct
3 Correct 22 ms 58196 KB Output is correct
4 Correct 265 ms 58860 KB Output is correct
5 Correct 1073 ms 59780 KB Output is correct
6 Correct 735 ms 58448 KB Output is correct
7 Correct 1020 ms 59684 KB Output is correct
8 Correct 662 ms 58696 KB Output is correct
9 Correct 800 ms 59704 KB Output is correct
10 Correct 1051 ms 61384 KB Output is correct
11 Correct 875 ms 61236 KB Output is correct
12 Correct 1113 ms 61184 KB Output is correct
13 Correct 757 ms 59672 KB Output is correct
14 Correct 813 ms 60604 KB Output is correct
15 Correct 1016 ms 61368 KB Output is correct
16 Correct 691 ms 61380 KB Output is correct
17 Correct 22 ms 58192 KB Output is correct
18 Correct 25 ms 58164 KB Output is correct
19 Correct 23 ms 58192 KB Output is correct
20 Correct 24 ms 58176 KB Output is correct
21 Correct 24 ms 58212 KB Output is correct
22 Correct 24 ms 58192 KB Output is correct
23 Correct 24 ms 58116 KB Output is correct
24 Correct 24 ms 58124 KB Output is correct
25 Correct 25 ms 58192 KB Output is correct
26 Correct 27 ms 58192 KB Output is correct
27 Correct 46 ms 58108 KB Output is correct
28 Correct 45 ms 58288 KB Output is correct
29 Correct 42 ms 58192 KB Output is correct
30 Correct 40 ms 58144 KB Output is correct
31 Correct 32 ms 58216 KB Output is correct
32 Correct 23 ms 58180 KB Output is correct
33 Correct 43 ms 59132 KB Output is correct
34 Correct 63 ms 59720 KB Output is correct
35 Correct 70 ms 61096 KB Output is correct
36 Correct 57 ms 59696 KB Output is correct
37 Correct 56 ms 60572 KB Output is correct
38 Correct 57 ms 61372 KB Output is correct
39 Correct 22 ms 58164 KB Output is correct
40 Correct 23 ms 58192 KB Output is correct
41 Correct 21 ms 58192 KB Output is correct
42 Correct 288 ms 58936 KB Output is correct
43 Correct 1020 ms 59788 KB Output is correct
44 Correct 680 ms 58448 KB Output is correct
45 Correct 722 ms 59704 KB Output is correct
46 Correct 385 ms 58708 KB Output is correct
47 Correct 713 ms 59720 KB Output is correct
48 Correct 981 ms 61364 KB Output is correct
49 Correct 817 ms 61220 KB Output is correct
50 Correct 1030 ms 61096 KB Output is correct
51 Correct 833 ms 59672 KB Output is correct
52 Correct 985 ms 60488 KB Output is correct
53 Correct 1002 ms 61376 KB Output is correct
54 Correct 1008 ms 61344 KB Output is correct
55 Correct 23 ms 58192 KB Output is correct
56 Correct 107 ms 59700 KB Output is correct
57 Correct 917 ms 59788 KB Output is correct
58 Correct 533 ms 58484 KB Output is correct
59 Correct 858 ms 59680 KB Output is correct
60 Correct 420 ms 58776 KB Output is correct
61 Correct 921 ms 59708 KB Output is correct
62 Correct 863 ms 61384 KB Output is correct
63 Correct 857 ms 60976 KB Output is correct
64 Correct 1061 ms 60724 KB Output is correct
65 Correct 696 ms 59724 KB Output is correct
66 Correct 1037 ms 60520 KB Output is correct
67 Correct 935 ms 61432 KB Output is correct
68 Correct 960 ms 61364 KB Output is correct
69 Correct 22 ms 58192 KB Output is correct
70 Correct 23 ms 58176 KB Output is correct
71 Correct 23 ms 58088 KB Output is correct
72 Correct 24 ms 58132 KB Output is correct
73 Correct 24 ms 58136 KB Output is correct
74 Correct 23 ms 58124 KB Output is correct
75 Correct 24 ms 58204 KB Output is correct
76 Correct 22 ms 58108 KB Output is correct
77 Correct 22 ms 58116 KB Output is correct
78 Correct 24 ms 58128 KB Output is correct
79 Correct 25 ms 58148 KB Output is correct
80 Correct 28 ms 58228 KB Output is correct
81 Correct 24 ms 58116 KB Output is correct
82 Correct 28 ms 58232 KB Output is correct
83 Correct 24 ms 58164 KB Output is correct
84 Correct 26 ms 58192 KB Output is correct
85 Correct 26 ms 58148 KB Output is correct
86 Correct 39 ms 58120 KB Output is correct
87 Correct 37 ms 58192 KB Output is correct
88 Correct 39 ms 58172 KB Output is correct
89 Correct 42 ms 58248 KB Output is correct
90 Correct 37 ms 58192 KB Output is correct
91 Correct 22 ms 58192 KB Output is correct
92 Correct 23 ms 58132 KB Output is correct
93 Correct 39 ms 58192 KB Output is correct
94 Correct 43 ms 58208 KB Output is correct
95 Correct 37 ms 58164 KB Output is correct
96 Correct 40 ms 58128 KB Output is correct
97 Correct 38 ms 58192 KB Output is correct
98 Correct 22 ms 58188 KB Output is correct
99 Correct 66 ms 59680 KB Output is correct
100 Correct 59 ms 59788 KB Output is correct
101 Correct 52 ms 60956 KB Output is correct
102 Correct 58 ms 59816 KB Output is correct
103 Correct 53 ms 60612 KB Output is correct
104 Correct 55 ms 61344 KB Output is correct
105 Correct 22 ms 58144 KB Output is correct
106 Correct 43 ms 59092 KB Output is correct
107 Correct 59 ms 59680 KB Output is correct
108 Correct 52 ms 61092 KB Output is correct
109 Correct 67 ms 59688 KB Output is correct
110 Correct 52 ms 60540 KB Output is correct
111 Correct 54 ms 61356 KB Output is correct

Subtask #7
0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Correct 23 ms 58192 KB Output is correct
2 Correct 22 ms 58192 KB Output is correct
3 Correct 132 ms 60692 KB Output is correct
4 Correct 1185 ms 61344 KB Output is correct
5 Correct 922 ms 59764 KB Output is correct
6 Correct 1039 ms 61348 KB Output is correct
7 Correct 661 ms 60352 KB Output is correct
8 Correct 1024 ms 61384 KB Output is correct
9 Correct 23 ms 58184 KB Output is correct
10 Correct 21 ms 58088 KB Output is correct
11 Correct 21 ms 58192 KB Output is correct
12 Correct 21 ms 58136 KB Output is correct
13 Correct 22 ms 58124 KB Output is correct
14 Incorrect 24 ms 58208 KB Output isn't correct
15 Halted 0 ms 0 KB -