oj.uz

Submission #363933

# Submission time Handle Problem Language Result Execution time Memory
363933 2021-02-07T14:27:23 Z Vladth11 Arranging Shoes (IOI19_shoes) C++14
100 / 100
 286 ms 207596 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define debug(x) cerr << #x << " " << x << "\n"
#define debug_with_space(x) cerr << #x << " " << x << " "
//#include "shoes.h"
 
using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
typedef pair <ll, ll> pii;
typedef pair <ll, pii> piii;
typedef tree <pii, null_type, less <pii>, rb_tree_tag, tree_order_statistics_node_update> OST;
 
const ll NMAX = 300001;
const ll INF = (1LL << 30);
const ll MOD = 1000000007;
const ll BLOCK = 101;
const ll nr_of_bits = 35;
 
queue <int> pz[NMAX];
int v[NMAX];
int aib[NMAX];
 
int n;
 
void update(int x, int v){
    for(int i = x; i <= n; i += i&(-i))
        aib[i] += v;
}
 
int query(int x){
    int v = 0;
    for(int i = x; i > 0; i -= i&(-i))
        v += aib[i];
    return v;
}
 
int cod(int x){
    if(x > 0)
        return x + n;
    else return -x;
}
 
long long count_swaps(vector<int> s) {
    n = s.size();
    for(int i = 0; i < s.size(); i++){
        v[i + 1] = s[i];
        pz[cod(v[i + 1])].push(i + 1);
        update(i + 1, 1);
    }
    ll sol = 0;
    for(int i = 1; i <= n; i++){
        if(pz[cod(v[i])].front() != i)
        continue;
        pz[cod(v[i])].pop();
        if(v[i] < 0)
            update(i, -1);
        int cn = pz[cod(-v[i])].front();
        pz[cod(-v[i])].pop();
        update(cn, -1);
        sol += 1LL * query(cn);
 
        if(v[i] > 0)
            update(i, -1);
    }
    return sol;
}

Compilation message

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:47:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   47 |     for(int i = 0; i < s.size(); i++){
      |                    ~~^~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 157 ms 202348 KB Output is correct
2 Correct 162 ms 202484 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 157 ms 202348 KB Output is correct
2 Correct 162 ms 202484 KB Output is correct
3 Correct 157 ms 202348 KB Output is correct
4 Correct 153 ms 202276 KB Output is correct
5 Correct 156 ms 202476 KB Output is correct
6 Correct 160 ms 202476 KB Output is correct
7 Correct 154 ms 202236 KB Output is correct
8 Correct 157 ms 202496 KB Output is correct
9 Correct 159 ms 202348 KB Output is correct
10 Correct 172 ms 202348 KB Output is correct
11 Correct 153 ms 202348 KB Output is correct
12 Correct 157 ms 202348 KB Output is correct
13 Correct 155 ms 202348 KB Output is correct
14 Correct 159 ms 202348 KB Output is correct
15 Correct 153 ms 202348 KB Output is correct
16 Correct 158 ms 202348 KB Output is correct
17 Correct 161 ms 202496 KB Output is correct
18 Correct 153 ms 202348 KB Output is correct
19 Correct 153 ms 202348 KB Output is correct
20 Correct 159 ms 202348 KB Output is correct
21 Correct 157 ms 202496 KB Output is correct
22 Correct 155 ms 202348 KB Output is correct
23 Correct 154 ms 202312 KB Output is correct
24 Correct 159 ms 202348 KB Output is correct
25 Correct 156 ms 202348 KB Output is correct
26 Correct 158 ms 202348 KB Output is correct
27 Correct 155 ms 202348 KB Output is correct
28 Correct 156 ms 202348 KB Output is correct
29 Correct 175 ms 202348 KB Output is correct
30 Correct 155 ms 202348 KB Output is correct
31 Correct 155 ms 202348 KB Output is correct
32 Correct 155 ms 202348 KB Output is correct
33 Correct 153 ms 202348 KB Output is correct
34 Correct 155 ms 202348 KB Output is correct
35 Correct 155 ms 202348 KB Output is correct
36 Correct 157 ms 202348 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 157 ms 202348 KB Output is correct
2 Correct 162 ms 202484 KB Output is correct
3 Correct 158 ms 202348 KB Output is correct
4 Correct 156 ms 202348 KB Output is correct
5 Correct 154 ms 202348 KB Output is correct
6 Correct 157 ms 202348 KB Output is correct
7 Correct 154 ms 202348 KB Output is correct
8 Correct 157 ms 202348 KB Output is correct
9 Correct 159 ms 202348 KB Output is correct
10 Correct 155 ms 202348 KB Output is correct
11 Correct 155 ms 202348 KB Output is correct
12 Correct 155 ms 202348 KB Output is correct
13 Correct 155 ms 202348 KB Output is correct
14 Correct 158 ms 202348 KB Output is correct
15 Correct 155 ms 202348 KB Output is correct
16 Correct 157 ms 202352 KB Output is correct
17 Correct 167 ms 202256 KB Output is correct
18 Correct 166 ms 202256 KB Output is correct
19 Correct 169 ms 202348 KB Output is correct
20 Correct 178 ms 202860 KB Output is correct
21 Correct 174 ms 202920 KB Output is correct
22 Correct 208 ms 206316 KB Output is correct
23 Correct 231 ms 206188 KB Output is correct
24 Correct 206 ms 206188 KB Output is correct
25 Correct 203 ms 206188 KB Output is correct
26 Correct 207 ms 207468 KB Output is correct
27 Correct 203 ms 207340 KB Output is correct
28 Correct 205 ms 207564 KB Output is correct
29 Correct 201 ms 207580 KB Output is correct
30 Correct 200 ms 207596 KB Output is correct
31 Correct 211 ms 207468 KB Output is correct
32 Correct 209 ms 207468 KB Output is correct
33 Correct 222 ms 207340 KB Output is correct
34 Correct 206 ms 207468 KB Output is correct
35 Correct 155 ms 202348 KB Output is correct
36 Correct 162 ms 202348 KB Output is correct
37 Correct 228 ms 207596 KB Output is correct
38 Correct 208 ms 207468 KB Output is correct
39 Correct 203 ms 207468 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 158 ms 202348 KB Output is correct
2 Correct 158 ms 202348 KB Output is correct
3 Correct 152 ms 202348 KB Output is correct
4 Correct 156 ms 202348 KB Output is correct
5 Correct 254 ms 206188 KB Output is correct
6 Correct 226 ms 206700 KB Output is correct
7 Correct 256 ms 206700 KB Output is correct
8 Correct 204 ms 207556 KB Output is correct
9 Correct 251 ms 206700 KB Output is correct
10 Correct 261 ms 206704 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 157 ms 202348 KB Output is correct
2 Correct 162 ms 202484 KB Output is correct
3 Correct 157 ms 202348 KB Output is correct
4 Correct 153 ms 202276 KB Output is correct
5 Correct 156 ms 202476 KB Output is correct
6 Correct 160 ms 202476 KB Output is correct
7 Correct 154 ms 202236 KB Output is correct
8 Correct 157 ms 202496 KB Output is correct
9 Correct 159 ms 202348 KB Output is correct
10 Correct 172 ms 202348 KB Output is correct
11 Correct 153 ms 202348 KB Output is correct
12 Correct 157 ms 202348 KB Output is correct
13 Correct 155 ms 202348 KB Output is correct
14 Correct 159 ms 202348 KB Output is correct
15 Correct 153 ms 202348 KB Output is correct
16 Correct 158 ms 202348 KB Output is correct
17 Correct 161 ms 202496 KB Output is correct
18 Correct 153 ms 202348 KB Output is correct
19 Correct 153 ms 202348 KB Output is correct
20 Correct 159 ms 202348 KB Output is correct
21 Correct 157 ms 202496 KB Output is correct
22 Correct 155 ms 202348 KB Output is correct
23 Correct 154 ms 202312 KB Output is correct
24 Correct 159 ms 202348 KB Output is correct
25 Correct 156 ms 202348 KB Output is correct
26 Correct 158 ms 202348 KB Output is correct
27 Correct 155 ms 202348 KB Output is correct
28 Correct 156 ms 202348 KB Output is correct
29 Correct 175 ms 202348 KB Output is correct
30 Correct 155 ms 202348 KB Output is correct
31 Correct 155 ms 202348 KB Output is correct
32 Correct 155 ms 202348 KB Output is correct
33 Correct 153 ms 202348 KB Output is correct
34 Correct 155 ms 202348 KB Output is correct
35 Correct 155 ms 202348 KB Output is correct
36 Correct 157 ms 202348 KB Output is correct
37 Correct 153 ms 202348 KB Output is correct
38 Correct 155 ms 202348 KB Output is correct
39 Correct 162 ms 202348 KB Output is correct
40 Correct 158 ms 202348 KB Output is correct
41 Correct 155 ms 202348 KB Output is correct
42 Correct 160 ms 202408 KB Output is correct
43 Correct 162 ms 202364 KB Output is correct
44 Correct 157 ms 202348 KB Output is correct
45 Correct 157 ms 202360 KB Output is correct
46 Correct 161 ms 202348 KB Output is correct
47 Correct 160 ms 202348 KB Output is correct
48 Correct 156 ms 202348 KB Output is correct
49 Correct 160 ms 202348 KB Output is correct
50 Correct 168 ms 202476 KB Output is correct
51 Correct 171 ms 202348 KB Output is correct
52 Correct 154 ms 202348 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 157 ms 202348 KB Output is correct
2 Correct 162 ms 202484 KB Output is correct
3 Correct 157 ms 202348 KB Output is correct
4 Correct 153 ms 202276 KB Output is correct
5 Correct 156 ms 202476 KB Output is correct
6 Correct 160 ms 202476 KB Output is correct
7 Correct 154 ms 202236 KB Output is correct
8 Correct 157 ms 202496 KB Output is correct
9 Correct 159 ms 202348 KB Output is correct
10 Correct 172 ms 202348 KB Output is correct
11 Correct 153 ms 202348 KB Output is correct
12 Correct 157 ms 202348 KB Output is correct
13 Correct 155 ms 202348 KB Output is correct
14 Correct 159 ms 202348 KB Output is correct
15 Correct 153 ms 202348 KB Output is correct
16 Correct 158 ms 202348 KB Output is correct
17 Correct 161 ms 202496 KB Output is correct
18 Correct 153 ms 202348 KB Output is correct
19 Correct 153 ms 202348 KB Output is correct
20 Correct 159 ms 202348 KB Output is correct
21 Correct 157 ms 202496 KB Output is correct
22 Correct 155 ms 202348 KB Output is correct
23 Correct 154 ms 202312 KB Output is correct
24 Correct 159 ms 202348 KB Output is correct
25 Correct 156 ms 202348 KB Output is correct
26 Correct 158 ms 202348 KB Output is correct
27 Correct 155 ms 202348 KB Output is correct
28 Correct 156 ms 202348 KB Output is correct
29 Correct 175 ms 202348 KB Output is correct
30 Correct 155 ms 202348 KB Output is correct
31 Correct 155 ms 202348 KB Output is correct
32 Correct 155 ms 202348 KB Output is correct
33 Correct 153 ms 202348 KB Output is correct
34 Correct 155 ms 202348 KB Output is correct
35 Correct 155 ms 202348 KB Output is correct
36 Correct 157 ms 202348 KB Output is correct
37 Correct 158 ms 202348 KB Output is correct
38 Correct 156 ms 202348 KB Output is correct
39 Correct 154 ms 202348 KB Output is correct
40 Correct 157 ms 202348 KB Output is correct
41 Correct 154 ms 202348 KB Output is correct
42 Correct 157 ms 202348 KB Output is correct
43 Correct 159 ms 202348 KB Output is correct
44 Correct 155 ms 202348 KB Output is correct
45 Correct 155 ms 202348 KB Output is correct
46 Correct 155 ms 202348 KB Output is correct
47 Correct 155 ms 202348 KB Output is correct
48 Correct 158 ms 202348 KB Output is correct
49 Correct 155 ms 202348 KB Output is correct
50 Correct 157 ms 202352 KB Output is correct
51 Correct 167 ms 202256 KB Output is correct
52 Correct 166 ms 202256 KB Output is correct
53 Correct 169 ms 202348 KB Output is correct
54 Correct 178 ms 202860 KB Output is correct
55 Correct 174 ms 202920 KB Output is correct
56 Correct 208 ms 206316 KB Output is correct
57 Correct 231 ms 206188 KB Output is correct
58 Correct 206 ms 206188 KB Output is correct
59 Correct 203 ms 206188 KB Output is correct
60 Correct 207 ms 207468 KB Output is correct
61 Correct 203 ms 207340 KB Output is correct
62 Correct 205 ms 207564 KB Output is correct
63 Correct 201 ms 207580 KB Output is correct
64 Correct 200 ms 207596 KB Output is correct
65 Correct 211 ms 207468 KB Output is correct
66 Correct 209 ms 207468 KB Output is correct
67 Correct 222 ms 207340 KB Output is correct
68 Correct 206 ms 207468 KB Output is correct
69 Correct 155 ms 202348 KB Output is correct
70 Correct 162 ms 202348 KB Output is correct
71 Correct 228 ms 207596 KB Output is correct
72 Correct 208 ms 207468 KB Output is correct
73 Correct 203 ms 207468 KB Output is correct
74 Correct 158 ms 202348 KB Output is correct
75 Correct 158 ms 202348 KB Output is correct
76 Correct 152 ms 202348 KB Output is correct
77 Correct 156 ms 202348 KB Output is correct
78 Correct 254 ms 206188 KB Output is correct
79 Correct 226 ms 206700 KB Output is correct
80 Correct 256 ms 206700 KB Output is correct
81 Correct 204 ms 207556 KB Output is correct
82 Correct 251 ms 206700 KB Output is correct
83 Correct 261 ms 206704 KB Output is correct
84 Correct 153 ms 202348 KB Output is correct
85 Correct 155 ms 202348 KB Output is correct
86 Correct 162 ms 202348 KB Output is correct
87 Correct 158 ms 202348 KB Output is correct
88 Correct 155 ms 202348 KB Output is correct
89 Correct 160 ms 202408 KB Output is correct
90 Correct 162 ms 202364 KB Output is correct
91 Correct 157 ms 202348 KB Output is correct
92 Correct 157 ms 202360 KB Output is correct
93 Correct 161 ms 202348 KB Output is correct
94 Correct 160 ms 202348 KB Output is correct
95 Correct 156 ms 202348 KB Output is correct
96 Correct 160 ms 202348 KB Output is correct
97 Correct 168 ms 202476 KB Output is correct
98 Correct 171 ms 202348 KB Output is correct
99 Correct 154 ms 202348 KB Output is correct
100 Correct 156 ms 202348 KB Output is correct
101 Correct 169 ms 202732 KB Output is correct
102 Correct 163 ms 202732 KB Output is correct
103 Correct 286 ms 206700 KB Output is correct
104 Correct 255 ms 206828 KB Output is correct
105 Correct 260 ms 206700 KB Output is correct
106 Correct 245 ms 206700 KB Output is correct
107 Correct 228 ms 206700 KB Output is correct
108 Correct 234 ms 206700 KB Output is correct
109 Correct 203 ms 207492 KB Output is correct
110 Correct 203 ms 207468 KB Output is correct
111 Correct 243 ms 206828 KB Output is correct
112 Correct 267 ms 206848 KB Output is correct
113 Correct 232 ms 206700 KB Output is correct
114 Correct 245 ms 206700 KB Output is correct
115 Correct 272 ms 206700 KB Output is correct