oj.uz

Submission #876369

# Submission time Handle Problem Language Result Execution time Memory
876369 2023-11-21T15:58:16 Z TahirAliyev Arranging Shoes (IOI19_shoes) C++17
100 / 100
 187 ms 13644 KB 
#include "shoes.h"
#include <bits/stdc++.h>

using namespace std;
#define ll long long
#define pii pair<int, int>
#define oo 1e9

const int MAX = 2e5 + 5;
int tree[MAX];

void update(int pos, int val){
    for(int i = pos; i <= MAX; i += (i) & (-i)){
        tree[i] += val;
    }
}

int ask(int l, int r){
    if(l != 1) return ask(1 , r) - ask(1 , l - 1);
    int res = 0;
    for(int i = r; i > 0; i -= (i) & (-i)){
        res += tree[i];
    }
    return res;
}

bool V[MAX];
int nxt[MAX];

long long count_swaps(vector<int> s) {
    int n = s.size();
    set<pii> st;
    for(int i = 0; i < n; i++){
        st.insert({s[i], i});
        update(i + 1, 1);
    }
    ll ans = 0;
    for(int i = 0; i < n; i++){
        if(st.find({s[i], i}) == st.end()) continue;
        int j = (*st.lower_bound({-s[i], i})).second;
        if(i + 2 <= j){
            ans += ask(i + 2, j);
        }
        if(s[i] > 0){
            ans++;
        }
        update(i + 1, -1);
        update(j + 1, -1);
        st.erase({s[i], i});
        st.erase({-s[i], j});
    }
    return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 600 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 448 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 360 KB Output is correct
28 Correct 1 ms 356 KB Output is correct
29 Correct 0 ms 356 KB Output is correct
30 Correct 0 ms 352 KB Output is correct
31 Correct 0 ms 352 KB Output is correct
32 Correct 0 ms 456 KB Output is correct
33 Correct 0 ms 360 KB Output is correct
34 Correct 1 ms 604 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 0 ms 356 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 360 KB Output is correct
4 Correct 0 ms 360 KB Output is correct
5 Correct 1 ms 360 KB Output is correct
6 Correct 1 ms 360 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 604 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 7 ms 1628 KB Output is correct
21 Correct 7 ms 1628 KB Output is correct
22 Correct 81 ms 13276 KB Output is correct
23 Correct 99 ms 13436 KB Output is correct
24 Correct 74 ms 13392 KB Output is correct
25 Correct 76 ms 13012 KB Output is correct
26 Correct 72 ms 13316 KB Output is correct
27 Correct 94 ms 13216 KB Output is correct
28 Correct 80 ms 13396 KB Output is correct
29 Correct 76 ms 13260 KB Output is correct
30 Correct 77 ms 13304 KB Output is correct
31 Correct 72 ms 13440 KB Output is correct
32 Correct 73 ms 13380 KB Output is correct
33 Correct 94 ms 13268 KB Output is correct
34 Correct 80 ms 13396 KB Output is correct
35 Correct 0 ms 344 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 93 ms 13372 KB Output is correct
38 Correct 76 ms 13392 KB Output is correct
39 Correct 75 ms 13396 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 600 KB Output is correct
5 Correct 147 ms 13424 KB Output is correct
6 Correct 157 ms 13432 KB Output is correct
7 Correct 143 ms 13392 KB Output is correct
8 Correct 73 ms 13420 KB Output is correct
9 Correct 145 ms 13392 KB Output is correct
10 Correct 144 ms 13392 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 600 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 448 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 360 KB Output is correct
28 Correct 1 ms 356 KB Output is correct
29 Correct 0 ms 356 KB Output is correct
30 Correct 0 ms 352 KB Output is correct
31 Correct 0 ms 352 KB Output is correct
32 Correct 0 ms 456 KB Output is correct
33 Correct 0 ms 360 KB Output is correct
34 Correct 1 ms 604 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 0 ms 356 KB Output is correct
37 Correct 0 ms 344 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 1 ms 348 KB Output is correct
41 Correct 1 ms 348 KB Output is correct
42 Correct 1 ms 348 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 1 ms 348 KB Output is correct
45 Correct 1 ms 348 KB Output is correct
46 Correct 1 ms 348 KB Output is correct
47 Correct 1 ms 348 KB Output is correct
48 Correct 2 ms 348 KB Output is correct
49 Correct 1 ms 348 KB Output is correct
50 Correct 1 ms 348 KB Output is correct
51 Correct 1 ms 428 KB Output is correct
52 Correct 1 ms 344 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 600 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 448 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 360 KB Output is correct
28 Correct 1 ms 356 KB Output is correct
29 Correct 0 ms 356 KB Output is correct
30 Correct 0 ms 352 KB Output is correct
31 Correct 0 ms 352 KB Output is correct
32 Correct 0 ms 456 KB Output is correct
33 Correct 0 ms 360 KB Output is correct
34 Correct 1 ms 604 KB Output is correct
35 Correct 1 ms 348 KB Output is correct
36 Correct 0 ms 356 KB Output is correct
37 Correct 0 ms 360 KB Output is correct
38 Correct 0 ms 360 KB Output is correct
39 Correct 1 ms 360 KB Output is correct
40 Correct 1 ms 360 KB Output is correct
41 Correct 1 ms 344 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 1 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 1 ms 348 KB Output is correct
49 Correct 0 ms 344 KB Output is correct
50 Correct 0 ms 344 KB Output is correct
51 Correct 1 ms 348 KB Output is correct
52 Correct 1 ms 604 KB Output is correct
53 Correct 1 ms 348 KB Output is correct
54 Correct 7 ms 1628 KB Output is correct
55 Correct 7 ms 1628 KB Output is correct
56 Correct 81 ms 13276 KB Output is correct
57 Correct 99 ms 13436 KB Output is correct
58 Correct 74 ms 13392 KB Output is correct
59 Correct 76 ms 13012 KB Output is correct
60 Correct 72 ms 13316 KB Output is correct
61 Correct 94 ms 13216 KB Output is correct
62 Correct 80 ms 13396 KB Output is correct
63 Correct 76 ms 13260 KB Output is correct
64 Correct 77 ms 13304 KB Output is correct
65 Correct 72 ms 13440 KB Output is correct
66 Correct 73 ms 13380 KB Output is correct
67 Correct 94 ms 13268 KB Output is correct
68 Correct 80 ms 13396 KB Output is correct
69 Correct 0 ms 344 KB Output is correct
70 Correct 0 ms 348 KB Output is correct
71 Correct 93 ms 13372 KB Output is correct
72 Correct 76 ms 13392 KB Output is correct
73 Correct 75 ms 13396 KB Output is correct
74 Correct 0 ms 348 KB Output is correct
75 Correct 0 ms 348 KB Output is correct
76 Correct 0 ms 348 KB Output is correct
77 Correct 0 ms 600 KB Output is correct
78 Correct 147 ms 13424 KB Output is correct
79 Correct 157 ms 13432 KB Output is correct
80 Correct 143 ms 13392 KB Output is correct
81 Correct 73 ms 13420 KB Output is correct
82 Correct 145 ms 13392 KB Output is correct
83 Correct 144 ms 13392 KB Output is correct
84 Correct 0 ms 344 KB Output is correct
85 Correct 0 ms 348 KB Output is correct
86 Correct 1 ms 348 KB Output is correct
87 Correct 1 ms 348 KB Output is correct
88 Correct 1 ms 348 KB Output is correct
89 Correct 1 ms 348 KB Output is correct
90 Correct 1 ms 348 KB Output is correct
91 Correct 1 ms 348 KB Output is correct
92 Correct 1 ms 348 KB Output is correct
93 Correct 1 ms 348 KB Output is correct
94 Correct 1 ms 348 KB Output is correct
95 Correct 2 ms 348 KB Output is correct
96 Correct 1 ms 348 KB Output is correct
97 Correct 1 ms 348 KB Output is correct
98 Correct 1 ms 428 KB Output is correct
99 Correct 1 ms 344 KB Output is correct
100 Correct 1 ms 348 KB Output is correct
101 Correct 13 ms 1628 KB Output is correct
102 Correct 13 ms 1628 KB Output is correct
103 Correct 187 ms 13392 KB Output is correct
104 Correct 142 ms 13460 KB Output is correct
105 Correct 174 ms 13396 KB Output is correct
106 Correct 138 ms 13200 KB Output is correct
107 Correct 183 ms 13424 KB Output is correct
108 Correct 146 ms 13392 KB Output is correct
109 Correct 68 ms 13260 KB Output is correct
110 Correct 77 ms 13396 KB Output is correct
111 Correct 154 ms 13644 KB Output is correct
112 Correct 173 ms 13392 KB Output is correct
113 Correct 157 ms 13392 KB Output is correct
114 Correct 141 ms 13420 KB Output is correct
115 Correct 140 ms 13232 KB Output is correct