oj.uz

답안 #645364

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
645364 2022-09-26T22:08:25 Z _petar_b Arranging Shoes (IOI19_shoes) C++14
100 / 100
 274 ms 276484 KB 
#include "shoes.h"
#include <bits/stdc++.h>
#define MAXN 400020
#define DELTA 100001
#define pb push_back
#define ll long long
#define fi first
#define se second
#define mp make_pair

using namespace std;

int n, t[4*MAXN], par[MAXN], tleaf[MAXN];
queue<int> posOf[MAXN];

void build(int v, int tl, int tr)
{
    if (tl == tr)
        t[v] = 1;
    else
    {
        int tm = (tl + tr) / 2;
        build(v*2, tl, tm);
        build(v*2+1, tm+1, tr);
        t[v] = t[v*2] + t[v*2+1];
    }
}

int sum(int v, int tl, int tr, int l, int r)
{
    if (l > r)
        return 0;
    if (l == tl && r == tr)
        return t[v];
    int tm = (tl + tr) / 2;
    return sum(v*2, tl, tm, l, min(r, tm)) + sum(v*2+1, tm+1, tr, max(l, tm+1), r);
}

void update(int v, int tl, int tr, int pos)
{
    if (tl == tr)
        t[v] = 0;
    else
    {
        int tm = (tl + tr) / 2;
        if (pos <= tm)
            update(v*2, tl, tm, pos);
        else
            update(v*2+1, tm+1, tr, pos);
        t[v] = t[v*2] + t[v*2+1];
    }
}

long long count_swaps(std::vector<int> s)
{
    n = s.size();
    for (int i = n-1; i >= 0; i--)
    {
        tleaf[i] = 1;
        int other = DELTA - s[i];
        if (!posOf[other].empty())
        {
            par[i] = posOf[other].front();
            par[par[i]] = i;
            tleaf[par[i]] = 0;
            posOf[other].pop();
        }
        else
        {
            par[i] = -1;
            posOf[s[i]+DELTA].push(i);
        }
    }
    build(1, 0, n-1);
    long long res = 0;
    for (int i = 0; i < n; i++)
    {
        if (tleaf[i] == 1)
        {
            res += sum(1, 0, n-1, i+1, par[i]-1);
            //tleaf[par[i]] = 0;
            update(1, 0, n-1, par[i]);
            if (s[i] > 0) res++;
        }
    }
    return res;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 174 ms 269564 KB Output is correct
2 Correct 168 ms 269504 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 174 ms 269564 KB Output is correct
2 Correct 168 ms 269504 KB Output is correct
3 Correct 177 ms 269568 KB Output is correct
4 Correct 176 ms 269496 KB Output is correct
5 Correct 185 ms 269496 KB Output is correct
6 Correct 170 ms 269544 KB Output is correct
7 Correct 179 ms 269576 KB Output is correct
8 Correct 165 ms 269520 KB Output is correct
9 Correct 187 ms 269476 KB Output is correct
10 Correct 169 ms 269484 KB Output is correct
11 Correct 185 ms 269584 KB Output is correct
12 Correct 180 ms 269516 KB Output is correct
13 Correct 180 ms 269524 KB Output is correct
14 Correct 200 ms 269532 KB Output is correct
15 Correct 176 ms 269496 KB Output is correct
16 Correct 165 ms 269604 KB Output is correct
17 Correct 167 ms 269548 KB Output is correct
18 Correct 168 ms 269504 KB Output is correct
19 Correct 171 ms 269556 KB Output is correct
20 Correct 178 ms 269560 KB Output is correct
21 Correct 169 ms 269524 KB Output is correct
22 Correct 156 ms 269580 KB Output is correct
23 Correct 160 ms 269512 KB Output is correct
24 Correct 186 ms 269528 KB Output is correct
25 Correct 158 ms 269516 KB Output is correct
26 Correct 155 ms 269524 KB Output is correct
27 Correct 171 ms 269472 KB Output is correct
28 Correct 152 ms 269568 KB Output is correct
29 Correct 160 ms 269564 KB Output is correct
30 Correct 154 ms 269568 KB Output is correct
31 Correct 157 ms 269484 KB Output is correct
32 Correct 158 ms 269516 KB Output is correct
33 Correct 159 ms 269508 KB Output is correct
34 Correct 189 ms 269512 KB Output is correct
35 Correct 156 ms 269488 KB Output is correct
36 Correct 158 ms 269524 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 174 ms 269564 KB Output is correct
2 Correct 168 ms 269504 KB Output is correct
3 Correct 164 ms 269524 KB Output is correct
4 Correct 159 ms 269520 KB Output is correct
5 Correct 162 ms 269600 KB Output is correct
6 Correct 166 ms 269604 KB Output is correct
7 Correct 156 ms 269596 KB Output is correct
8 Correct 154 ms 269548 KB Output is correct
9 Correct 164 ms 269508 KB Output is correct
10 Correct 158 ms 269492 KB Output is correct
11 Correct 155 ms 269544 KB Output is correct
12 Correct 155 ms 269596 KB Output is correct
13 Correct 161 ms 269476 KB Output is correct
14 Correct 166 ms 269516 KB Output is correct
15 Correct 158 ms 269584 KB Output is correct
16 Correct 176 ms 269476 KB Output is correct
17 Correct 160 ms 269588 KB Output is correct
18 Correct 157 ms 269516 KB Output is correct
19 Correct 165 ms 269516 KB Output is correct
20 Correct 181 ms 270180 KB Output is correct
21 Correct 170 ms 270152 KB Output is correct
22 Correct 205 ms 274764 KB Output is correct
23 Correct 194 ms 274728 KB Output is correct
24 Correct 204 ms 274776 KB Output is correct
25 Correct 213 ms 275104 KB Output is correct
26 Correct 214 ms 275940 KB Output is correct
27 Correct 191 ms 275744 KB Output is correct
28 Correct 216 ms 276356 KB Output is correct
29 Correct 220 ms 276424 KB Output is correct
30 Correct 214 ms 276460 KB Output is correct
31 Correct 209 ms 275936 KB Output is correct
32 Correct 217 ms 276472 KB Output is correct
33 Correct 217 ms 276172 KB Output is correct
34 Correct 215 ms 276432 KB Output is correct
35 Correct 157 ms 269480 KB Output is correct
36 Correct 155 ms 269508 KB Output is correct
37 Correct 239 ms 276348 KB Output is correct
38 Correct 219 ms 276376 KB Output is correct
39 Correct 223 ms 276484 KB Output is correct

Subtask #4
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 156 ms 269504 KB Output is correct
2 Correct 155 ms 269504 KB Output is correct
3 Correct 159 ms 269500 KB Output is correct
4 Correct 165 ms 269484 KB Output is correct
5 Correct 237 ms 274704 KB Output is correct
6 Correct 228 ms 275996 KB Output is correct
7 Correct 236 ms 276032 KB Output is correct
8 Correct 244 ms 276452 KB Output is correct
9 Correct 245 ms 276144 KB Output is correct
10 Correct 226 ms 275992 KB Output is correct

Subtask #5
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 174 ms 269564 KB Output is correct
2 Correct 168 ms 269504 KB Output is correct
3 Correct 177 ms 269568 KB Output is correct
4 Correct 176 ms 269496 KB Output is correct
5 Correct 185 ms 269496 KB Output is correct
6 Correct 170 ms 269544 KB Output is correct
7 Correct 179 ms 269576 KB Output is correct
8 Correct 165 ms 269520 KB Output is correct
9 Correct 187 ms 269476 KB Output is correct
10 Correct 169 ms 269484 KB Output is correct
11 Correct 185 ms 269584 KB Output is correct
12 Correct 180 ms 269516 KB Output is correct
13 Correct 180 ms 269524 KB Output is correct
14 Correct 200 ms 269532 KB Output is correct
15 Correct 176 ms 269496 KB Output is correct
16 Correct 165 ms 269604 KB Output is correct
17 Correct 167 ms 269548 KB Output is correct
18 Correct 168 ms 269504 KB Output is correct
19 Correct 171 ms 269556 KB Output is correct
20 Correct 178 ms 269560 KB Output is correct
21 Correct 169 ms 269524 KB Output is correct
22 Correct 156 ms 269580 KB Output is correct
23 Correct 160 ms 269512 KB Output is correct
24 Correct 186 ms 269528 KB Output is correct
25 Correct 158 ms 269516 KB Output is correct
26 Correct 155 ms 269524 KB Output is correct
27 Correct 171 ms 269472 KB Output is correct
28 Correct 152 ms 269568 KB Output is correct
29 Correct 160 ms 269564 KB Output is correct
30 Correct 154 ms 269568 KB Output is correct
31 Correct 157 ms 269484 KB Output is correct
32 Correct 158 ms 269516 KB Output is correct
33 Correct 159 ms 269508 KB Output is correct
34 Correct 189 ms 269512 KB Output is correct
35 Correct 156 ms 269488 KB Output is correct
36 Correct 158 ms 269524 KB Output is correct
37 Correct 162 ms 269580 KB Output is correct
38 Correct 160 ms 269484 KB Output is correct
39 Correct 153 ms 269568 KB Output is correct
40 Correct 164 ms 269524 KB Output is correct
41 Correct 152 ms 269548 KB Output is correct
42 Correct 176 ms 269728 KB Output is correct
43 Correct 158 ms 269608 KB Output is correct
44 Correct 160 ms 269624 KB Output is correct
45 Correct 161 ms 269524 KB Output is correct
46 Correct 182 ms 269596 KB Output is correct
47 Correct 153 ms 269552 KB Output is correct
48 Correct 160 ms 269596 KB Output is correct
49 Correct 160 ms 269612 KB Output is correct
50 Correct 171 ms 269632 KB Output is correct
51 Correct 160 ms 269588 KB Output is correct
52 Correct 171 ms 269588 KB Output is correct

Subtask #6
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 174 ms 269564 KB Output is correct
2 Correct 168 ms 269504 KB Output is correct
3 Correct 177 ms 269568 KB Output is correct
4 Correct 176 ms 269496 KB Output is correct
5 Correct 185 ms 269496 KB Output is correct
6 Correct 170 ms 269544 KB Output is correct
7 Correct 179 ms 269576 KB Output is correct
8 Correct 165 ms 269520 KB Output is correct
9 Correct 187 ms 269476 KB Output is correct
10 Correct 169 ms 269484 KB Output is correct
11 Correct 185 ms 269584 KB Output is correct
12 Correct 180 ms 269516 KB Output is correct
13 Correct 180 ms 269524 KB Output is correct
14 Correct 200 ms 269532 KB Output is correct
15 Correct 176 ms 269496 KB Output is correct
16 Correct 165 ms 269604 KB Output is correct
17 Correct 167 ms 269548 KB Output is correct
18 Correct 168 ms 269504 KB Output is correct
19 Correct 171 ms 269556 KB Output is correct
20 Correct 178 ms 269560 KB Output is correct
21 Correct 169 ms 269524 KB Output is correct
22 Correct 156 ms 269580 KB Output is correct
23 Correct 160 ms 269512 KB Output is correct
24 Correct 186 ms 269528 KB Output is correct
25 Correct 158 ms 269516 KB Output is correct
26 Correct 155 ms 269524 KB Output is correct
27 Correct 171 ms 269472 KB Output is correct
28 Correct 152 ms 269568 KB Output is correct
29 Correct 160 ms 269564 KB Output is correct
30 Correct 154 ms 269568 KB Output is correct
31 Correct 157 ms 269484 KB Output is correct
32 Correct 158 ms 269516 KB Output is correct
33 Correct 159 ms 269508 KB Output is correct
34 Correct 189 ms 269512 KB Output is correct
35 Correct 156 ms 269488 KB Output is correct
36 Correct 158 ms 269524 KB Output is correct
37 Correct 164 ms 269524 KB Output is correct
38 Correct 159 ms 269520 KB Output is correct
39 Correct 162 ms 269600 KB Output is correct
40 Correct 166 ms 269604 KB Output is correct
41 Correct 156 ms 269596 KB Output is correct
42 Correct 154 ms 269548 KB Output is correct
43 Correct 164 ms 269508 KB Output is correct
44 Correct 158 ms 269492 KB Output is correct
45 Correct 155 ms 269544 KB Output is correct
46 Correct 155 ms 269596 KB Output is correct
47 Correct 161 ms 269476 KB Output is correct
48 Correct 166 ms 269516 KB Output is correct
49 Correct 158 ms 269584 KB Output is correct
50 Correct 176 ms 269476 KB Output is correct
51 Correct 160 ms 269588 KB Output is correct
52 Correct 157 ms 269516 KB Output is correct
53 Correct 165 ms 269516 KB Output is correct
54 Correct 181 ms 270180 KB Output is correct
55 Correct 170 ms 270152 KB Output is correct
56 Correct 205 ms 274764 KB Output is correct
57 Correct 194 ms 274728 KB Output is correct
58 Correct 204 ms 274776 KB Output is correct
59 Correct 213 ms 275104 KB Output is correct
60 Correct 214 ms 275940 KB Output is correct
61 Correct 191 ms 275744 KB Output is correct
62 Correct 216 ms 276356 KB Output is correct
63 Correct 220 ms 276424 KB Output is correct
64 Correct 214 ms 276460 KB Output is correct
65 Correct 209 ms 275936 KB Output is correct
66 Correct 217 ms 276472 KB Output is correct
67 Correct 217 ms 276172 KB Output is correct
68 Correct 215 ms 276432 KB Output is correct
69 Correct 157 ms 269480 KB Output is correct
70 Correct 155 ms 269508 KB Output is correct
71 Correct 239 ms 276348 KB Output is correct
72 Correct 219 ms 276376 KB Output is correct
73 Correct 223 ms 276484 KB Output is correct
74 Correct 156 ms 269504 KB Output is correct
75 Correct 155 ms 269504 KB Output is correct
76 Correct 159 ms 269500 KB Output is correct
77 Correct 165 ms 269484 KB Output is correct
78 Correct 237 ms 274704 KB Output is correct
79 Correct 228 ms 275996 KB Output is correct
80 Correct 236 ms 276032 KB Output is correct
81 Correct 244 ms 276452 KB Output is correct
82 Correct 245 ms 276144 KB Output is correct
83 Correct 226 ms 275992 KB Output is correct
84 Correct 162 ms 269580 KB Output is correct
85 Correct 160 ms 269484 KB Output is correct
86 Correct 153 ms 269568 KB Output is correct
87 Correct 164 ms 269524 KB Output is correct
88 Correct 152 ms 269548 KB Output is correct
89 Correct 176 ms 269728 KB Output is correct
90 Correct 158 ms 269608 KB Output is correct
91 Correct 160 ms 269624 KB Output is correct
92 Correct 161 ms 269524 KB Output is correct
93 Correct 182 ms 269596 KB Output is correct
94 Correct 153 ms 269552 KB Output is correct
95 Correct 160 ms 269596 KB Output is correct
96 Correct 160 ms 269612 KB Output is correct
97 Correct 171 ms 269632 KB Output is correct
98 Correct 160 ms 269588 KB Output is correct
99 Correct 171 ms 269588 KB Output is correct
100 Correct 162 ms 269600 KB Output is correct
101 Correct 163 ms 270156 KB Output is correct
102 Correct 166 ms 270288 KB Output is correct
103 Correct 274 ms 276152 KB Output is correct
104 Correct 212 ms 275944 KB Output is correct
105 Correct 246 ms 276060 KB Output is correct
106 Correct 245 ms 276104 KB Output is correct
107 Correct 209 ms 275996 KB Output is correct
108 Correct 203 ms 275924 KB Output is correct
109 Correct 258 ms 276388 KB Output is correct
110 Correct 210 ms 276448 KB Output is correct
111 Correct 243 ms 275912 KB Output is correct
112 Correct 257 ms 276048 KB Output is correct
113 Correct 227 ms 276036 KB Output is correct
114 Correct 248 ms 276000 KB Output is correct
115 Correct 265 ms 275920 KB Output is correct