oj.uz

Submission #293663

# Submission time Handle Problem Language Result Execution time Memory
293663 2020-09-08T09:20:17 Z egekabas Arranging Shoes (IOI19_shoes) C++14
100 / 100
 754 ms 687564 KB 
#include "shoes.h"
#include <bits/stdc++.h>
#define all(x) (x).begin(), (x).end()
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<ll, ll> pll;
typedef pair<ull, ull> pull;
typedef pair<int, int> pii;
typedef pair<ld, ld> pld;
int bit[500009];
int n;
void upd(int idx, int val){
    for(++idx; idx <= n; idx += idx&(-idx))
        bit[idx] += val;
}
int get(int idx){
    int ret = 0;
    for(++idx; idx > 0; idx -= idx&(-idx))
        ret += bit[idx];
    return ret;
}
queue<int> lef[500009];
queue<int> rig[500009];
set<pii> v;
long long count_swaps(vector<int> s) {
    ll ans = 0;
    n = s.size();
    for(int i = 0; i < n; ++i){
        v.insert({i, s[i]});
        if(s[i] < 0)
            lef[-s[i]].push(i);
        else
            rig[s[i]].push(i);
        upd(i, 1);
    }
    while(v.size()){
        pii cur = *v.begin();
        v.erase(v.begin());
        pii pair;
        if(cur.ss < 0){
            pair = {rig[-cur.ss].front(), -cur.ss};
            rig[-cur.ss].pop();
            lef[-cur.ss].pop();
        }
        else{
            pair = {lef[cur.ss].front(), -cur.ss};
            lef[cur.ss].pop();
            rig[cur.ss].pop();
        }
        v.erase(pair);
        ans += get(pair.ff)-1;
        upd(cur.ff, -1);
        upd(pair.ff, -1);
        if(cur.ss < 0)
            --ans;
    }
    return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 504 ms 673656 KB Output is correct
2 Correct 505 ms 673532 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 504 ms 673656 KB Output is correct
2 Correct 505 ms 673532 KB Output is correct
3 Correct 498 ms 673528 KB Output is correct
4 Correct 515 ms 673528 KB Output is correct
5 Correct 505 ms 673532 KB Output is correct
6 Correct 503 ms 673528 KB Output is correct
7 Correct 506 ms 673528 KB Output is correct
8 Correct 507 ms 673528 KB Output is correct
9 Correct 508 ms 673720 KB Output is correct
10 Correct 508 ms 673556 KB Output is correct
11 Correct 503 ms 673528 KB Output is correct
12 Correct 503 ms 673528 KB Output is correct
13 Correct 516 ms 673500 KB Output is correct
14 Correct 497 ms 673528 KB Output is correct
15 Correct 515 ms 673560 KB Output is correct
16 Correct 503 ms 673448 KB Output is correct
17 Correct 508 ms 673460 KB Output is correct
18 Correct 510 ms 673528 KB Output is correct
19 Correct 504 ms 673528 KB Output is correct
20 Correct 502 ms 673596 KB Output is correct
21 Correct 506 ms 673656 KB Output is correct
22 Correct 509 ms 673532 KB Output is correct
23 Correct 520 ms 673540 KB Output is correct
24 Correct 509 ms 673528 KB Output is correct
25 Correct 502 ms 673528 KB Output is correct
26 Correct 511 ms 673516 KB Output is correct
27 Correct 506 ms 673528 KB Output is correct
28 Correct 502 ms 673528 KB Output is correct
29 Correct 509 ms 673656 KB Output is correct
30 Correct 507 ms 673528 KB Output is correct
31 Correct 509 ms 673500 KB Output is correct
32 Correct 507 ms 673636 KB Output is correct
33 Correct 497 ms 673500 KB Output is correct
34 Correct 503 ms 673656 KB Output is correct
35 Correct 514 ms 673528 KB Output is correct
36 Correct 502 ms 673528 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 504 ms 673656 KB Output is correct
2 Correct 505 ms 673532 KB Output is correct
3 Correct 504 ms 673656 KB Output is correct
4 Correct 513 ms 673528 KB Output is correct
5 Correct 500 ms 673672 KB Output is correct
6 Correct 507 ms 673660 KB Output is correct
7 Correct 513 ms 673528 KB Output is correct
8 Correct 503 ms 673528 KB Output is correct
9 Correct 510 ms 673528 KB Output is correct
10 Correct 511 ms 673528 KB Output is correct
11 Correct 509 ms 673528 KB Output is correct
12 Correct 510 ms 673528 KB Output is correct
13 Correct 504 ms 673520 KB Output is correct
14 Correct 506 ms 673528 KB Output is correct
15 Correct 505 ms 673528 KB Output is correct
16 Correct 504 ms 673528 KB Output is correct
17 Correct 557 ms 673696 KB Output is correct
18 Correct 546 ms 673788 KB Output is correct
19 Correct 539 ms 673656 KB Output is correct
20 Correct 574 ms 674936 KB Output is correct
21 Correct 553 ms 674936 KB Output is correct
22 Correct 637 ms 686456 KB Output is correct
23 Correct 665 ms 687424 KB Output is correct
24 Correct 720 ms 687420 KB Output is correct
25 Correct 650 ms 687224 KB Output is correct
26 Correct 661 ms 687480 KB Output is correct
27 Correct 643 ms 687216 KB Output is correct
28 Correct 668 ms 687352 KB Output is correct
29 Correct 668 ms 687364 KB Output is correct
30 Correct 640 ms 687352 KB Output is correct
31 Correct 657 ms 687352 KB Output is correct
32 Correct 654 ms 687352 KB Output is correct
33 Correct 663 ms 687220 KB Output is correct
34 Correct 677 ms 687564 KB Output is correct
35 Correct 520 ms 673528 KB Output is correct
36 Correct 511 ms 673528 KB Output is correct
37 Correct 644 ms 687352 KB Output is correct
38 Correct 645 ms 687416 KB Output is correct
39 Correct 641 ms 687480 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 524 ms 673528 KB Output is correct
2 Correct 506 ms 673528 KB Output is correct
3 Correct 520 ms 673560 KB Output is correct
4 Correct 517 ms 673528 KB Output is correct
5 Correct 681 ms 686416 KB Output is correct
6 Correct 649 ms 686840 KB Output is correct
7 Correct 677 ms 686584 KB Output is correct
8 Correct 638 ms 687352 KB Output is correct
9 Correct 665 ms 686584 KB Output is correct
10 Correct 680 ms 686712 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 504 ms 673656 KB Output is correct
2 Correct 505 ms 673532 KB Output is correct
3 Correct 498 ms 673528 KB Output is correct
4 Correct 515 ms 673528 KB Output is correct
5 Correct 505 ms 673532 KB Output is correct
6 Correct 503 ms 673528 KB Output is correct
7 Correct 506 ms 673528 KB Output is correct
8 Correct 507 ms 673528 KB Output is correct
9 Correct 508 ms 673720 KB Output is correct
10 Correct 508 ms 673556 KB Output is correct
11 Correct 503 ms 673528 KB Output is correct
12 Correct 503 ms 673528 KB Output is correct
13 Correct 516 ms 673500 KB Output is correct
14 Correct 497 ms 673528 KB Output is correct
15 Correct 515 ms 673560 KB Output is correct
16 Correct 503 ms 673448 KB Output is correct
17 Correct 508 ms 673460 KB Output is correct
18 Correct 510 ms 673528 KB Output is correct
19 Correct 504 ms 673528 KB Output is correct
20 Correct 502 ms 673596 KB Output is correct
21 Correct 506 ms 673656 KB Output is correct
22 Correct 509 ms 673532 KB Output is correct
23 Correct 520 ms 673540 KB Output is correct
24 Correct 509 ms 673528 KB Output is correct
25 Correct 502 ms 673528 KB Output is correct
26 Correct 511 ms 673516 KB Output is correct
27 Correct 506 ms 673528 KB Output is correct
28 Correct 502 ms 673528 KB Output is correct
29 Correct 509 ms 673656 KB Output is correct
30 Correct 507 ms 673528 KB Output is correct
31 Correct 509 ms 673500 KB Output is correct
32 Correct 507 ms 673636 KB Output is correct
33 Correct 497 ms 673500 KB Output is correct
34 Correct 503 ms 673656 KB Output is correct
35 Correct 514 ms 673528 KB Output is correct
36 Correct 502 ms 673528 KB Output is correct
37 Correct 516 ms 673532 KB Output is correct
38 Correct 528 ms 673600 KB Output is correct
39 Correct 511 ms 673644 KB Output is correct
40 Correct 530 ms 673564 KB Output is correct
41 Correct 517 ms 673656 KB Output is correct
42 Correct 516 ms 673708 KB Output is correct
43 Correct 521 ms 673784 KB Output is correct
44 Correct 526 ms 673656 KB Output is correct
45 Correct 506 ms 673688 KB Output is correct
46 Correct 514 ms 673660 KB Output is correct
47 Correct 519 ms 673656 KB Output is correct
48 Correct 516 ms 673656 KB Output is correct
49 Correct 509 ms 673656 KB Output is correct
50 Correct 548 ms 673656 KB Output is correct
51 Correct 548 ms 673784 KB Output is correct
52 Correct 512 ms 673736 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 504 ms 673656 KB Output is correct
2 Correct 505 ms 673532 KB Output is correct
3 Correct 498 ms 673528 KB Output is correct
4 Correct 515 ms 673528 KB Output is correct
5 Correct 505 ms 673532 KB Output is correct
6 Correct 503 ms 673528 KB Output is correct
7 Correct 506 ms 673528 KB Output is correct
8 Correct 507 ms 673528 KB Output is correct
9 Correct 508 ms 673720 KB Output is correct
10 Correct 508 ms 673556 KB Output is correct
11 Correct 503 ms 673528 KB Output is correct
12 Correct 503 ms 673528 KB Output is correct
13 Correct 516 ms 673500 KB Output is correct
14 Correct 497 ms 673528 KB Output is correct
15 Correct 515 ms 673560 KB Output is correct
16 Correct 503 ms 673448 KB Output is correct
17 Correct 508 ms 673460 KB Output is correct
18 Correct 510 ms 673528 KB Output is correct
19 Correct 504 ms 673528 KB Output is correct
20 Correct 502 ms 673596 KB Output is correct
21 Correct 506 ms 673656 KB Output is correct
22 Correct 509 ms 673532 KB Output is correct
23 Correct 520 ms 673540 KB Output is correct
24 Correct 509 ms 673528 KB Output is correct
25 Correct 502 ms 673528 KB Output is correct
26 Correct 511 ms 673516 KB Output is correct
27 Correct 506 ms 673528 KB Output is correct
28 Correct 502 ms 673528 KB Output is correct
29 Correct 509 ms 673656 KB Output is correct
30 Correct 507 ms 673528 KB Output is correct
31 Correct 509 ms 673500 KB Output is correct
32 Correct 507 ms 673636 KB Output is correct
33 Correct 497 ms 673500 KB Output is correct
34 Correct 503 ms 673656 KB Output is correct
35 Correct 514 ms 673528 KB Output is correct
36 Correct 502 ms 673528 KB Output is correct
37 Correct 504 ms 673656 KB Output is correct
38 Correct 513 ms 673528 KB Output is correct
39 Correct 500 ms 673672 KB Output is correct
40 Correct 507 ms 673660 KB Output is correct
41 Correct 513 ms 673528 KB Output is correct
42 Correct 503 ms 673528 KB Output is correct
43 Correct 510 ms 673528 KB Output is correct
44 Correct 511 ms 673528 KB Output is correct
45 Correct 509 ms 673528 KB Output is correct
46 Correct 510 ms 673528 KB Output is correct
47 Correct 504 ms 673520 KB Output is correct
48 Correct 506 ms 673528 KB Output is correct
49 Correct 505 ms 673528 KB Output is correct
50 Correct 504 ms 673528 KB Output is correct
51 Correct 557 ms 673696 KB Output is correct
52 Correct 546 ms 673788 KB Output is correct
53 Correct 539 ms 673656 KB Output is correct
54 Correct 574 ms 674936 KB Output is correct
55 Correct 553 ms 674936 KB Output is correct
56 Correct 637 ms 686456 KB Output is correct
57 Correct 665 ms 687424 KB Output is correct
58 Correct 720 ms 687420 KB Output is correct
59 Correct 650 ms 687224 KB Output is correct
60 Correct 661 ms 687480 KB Output is correct
61 Correct 643 ms 687216 KB Output is correct
62 Correct 668 ms 687352 KB Output is correct
63 Correct 668 ms 687364 KB Output is correct
64 Correct 640 ms 687352 KB Output is correct
65 Correct 657 ms 687352 KB Output is correct
66 Correct 654 ms 687352 KB Output is correct
67 Correct 663 ms 687220 KB Output is correct
68 Correct 677 ms 687564 KB Output is correct
69 Correct 520 ms 673528 KB Output is correct
70 Correct 511 ms 673528 KB Output is correct
71 Correct 644 ms 687352 KB Output is correct
72 Correct 645 ms 687416 KB Output is correct
73 Correct 641 ms 687480 KB Output is correct
74 Correct 524 ms 673528 KB Output is correct
75 Correct 506 ms 673528 KB Output is correct
76 Correct 520 ms 673560 KB Output is correct
77 Correct 517 ms 673528 KB Output is correct
78 Correct 681 ms 686416 KB Output is correct
79 Correct 649 ms 686840 KB Output is correct
80 Correct 677 ms 686584 KB Output is correct
81 Correct 638 ms 687352 KB Output is correct
82 Correct 665 ms 686584 KB Output is correct
83 Correct 680 ms 686712 KB Output is correct
84 Correct 516 ms 673532 KB Output is correct
85 Correct 528 ms 673600 KB Output is correct
86 Correct 511 ms 673644 KB Output is correct
87 Correct 530 ms 673564 KB Output is correct
88 Correct 517 ms 673656 KB Output is correct
89 Correct 516 ms 673708 KB Output is correct
90 Correct 521 ms 673784 KB Output is correct
91 Correct 526 ms 673656 KB Output is correct
92 Correct 506 ms 673688 KB Output is correct
93 Correct 514 ms 673660 KB Output is correct
94 Correct 519 ms 673656 KB Output is correct
95 Correct 516 ms 673656 KB Output is correct
96 Correct 509 ms 673656 KB Output is correct
97 Correct 548 ms 673656 KB Output is correct
98 Correct 548 ms 673784 KB Output is correct
99 Correct 512 ms 673736 KB Output is correct
100 Correct 512 ms 673656 KB Output is correct
101 Correct 516 ms 674808 KB Output is correct
102 Correct 534 ms 674936 KB Output is correct
103 Correct 754 ms 686488 KB Output is correct
104 Correct 686 ms 686456 KB Output is correct
105 Correct 687 ms 686580 KB Output is correct
106 Correct 675 ms 686572 KB Output is correct
107 Correct 672 ms 686708 KB Output is correct
108 Correct 666 ms 686584 KB Output is correct
109 Correct 642 ms 687352 KB Output is correct
110 Correct 646 ms 687352 KB Output is correct
111 Correct 681 ms 686460 KB Output is correct
112 Correct 722 ms 686584 KB Output is correct
113 Correct 695 ms 686588 KB Output is correct
114 Correct 678 ms 686476 KB Output is correct
115 Correct 674 ms 686460 KB Output is correct