oj.uz

Submission #980597

# Submission time Handle Problem Language Result Execution time Memory
980597 2024-05-12T09:10:53 Z TitanicXDzz Arranging Shoes (IOI19_shoes) C++14
100 / 100
 49 ms 16832 KB 
#include "shoes.h"
#include<bits/stdc++.h>
using namespace std;
vector<int> v[200010];
int co[200010];
int dp[200010];
int visited[200010];
int n;
void update(int idx,long long val){
 while(idx<=n){
    dp[idx]+=val;
    idx+=(idx & -idx);
 }
}
long long read(long long idx){
 long long sumi=0;
 while(idx>=1){
        sumi+=dp[idx];
        idx-=(idx& -idx);
 }
 return sumi;
}
long long count_swaps(vector<int> s) {
    long long ans=0;
    for(auto x:s){
        n++;
        if(s[n-1]<0)
            s[n-1]=100000-s[n-1];
        v[s[n-1]].push_back(n);
    }
    for(int i=1;i<=n;i++){
        update(i,1);
    }
    for(int i=1;i<=n;i++){
        if(visited[i]==1)
            continue;
        long long x=s[i-1];
        if(x>=100001)
            x-=100000;
        else
            x+=100000;
        int j=v[x][co[x]];
        visited[i]=1;
        visited[j]=1;
        co[x]++;
        co[s[i-1]]++;
        ans+=read(j)-1;
        update(i,-1);
        update(j,-1);
        if(x<s[i-1]){
            ans-=1;
        }
    }
    return ans;
}

Compilation message

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:25:14: warning: unused variable 'x' [-Wunused-variable]
   25 |     for(auto x:s){
      |              ^

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 7260 KB Output is correct
2 Correct 2 ms 7256 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 7260 KB Output is correct
2 Correct 2 ms 7256 KB Output is correct
3 Correct 2 ms 7260 KB Output is correct
4 Correct 2 ms 7260 KB Output is correct
5 Correct 2 ms 7260 KB Output is correct
6 Correct 2 ms 7260 KB Output is correct
7 Correct 2 ms 7260 KB Output is correct
8 Correct 2 ms 7260 KB Output is correct
9 Correct 2 ms 7260 KB Output is correct
10 Correct 2 ms 7100 KB Output is correct
11 Correct 2 ms 7260 KB Output is correct
12 Correct 2 ms 7512 KB Output is correct
13 Correct 2 ms 7260 KB Output is correct
14 Correct 2 ms 7260 KB Output is correct
15 Correct 2 ms 7260 KB Output is correct
16 Correct 2 ms 7260 KB Output is correct
17 Correct 2 ms 7256 KB Output is correct
18 Correct 2 ms 7260 KB Output is correct
19 Correct 1 ms 7260 KB Output is correct
20 Correct 1 ms 7260 KB Output is correct
21 Correct 2 ms 7260 KB Output is correct
22 Correct 2 ms 7260 KB Output is correct
23 Correct 2 ms 7260 KB Output is correct
24 Correct 2 ms 7260 KB Output is correct
25 Correct 1 ms 7260 KB Output is correct
26 Correct 1 ms 7260 KB Output is correct
27 Correct 2 ms 7260 KB Output is correct
28 Correct 2 ms 7260 KB Output is correct
29 Correct 2 ms 7260 KB Output is correct
30 Correct 2 ms 7260 KB Output is correct
31 Correct 2 ms 7260 KB Output is correct
32 Correct 2 ms 7256 KB Output is correct
33 Correct 2 ms 7260 KB Output is correct
34 Correct 2 ms 7260 KB Output is correct
35 Correct 2 ms 7260 KB Output is correct
36 Correct 2 ms 7260 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 7260 KB Output is correct
2 Correct 2 ms 7256 KB Output is correct
3 Correct 2 ms 7260 KB Output is correct
4 Correct 2 ms 7260 KB Output is correct
5 Correct 1 ms 7260 KB Output is correct
6 Correct 2 ms 7256 KB Output is correct
7 Correct 2 ms 7260 KB Output is correct
8 Correct 2 ms 7260 KB Output is correct
9 Correct 2 ms 7516 KB Output is correct
10 Correct 2 ms 7260 KB Output is correct
11 Correct 2 ms 7308 KB Output is correct
12 Correct 2 ms 7512 KB Output is correct
13 Correct 2 ms 7096 KB Output is correct
14 Correct 2 ms 7260 KB Output is correct
15 Correct 2 ms 7260 KB Output is correct
16 Correct 2 ms 7260 KB Output is correct
17 Correct 2 ms 7260 KB Output is correct
18 Correct 2 ms 7260 KB Output is correct
19 Correct 2 ms 7304 KB Output is correct
20 Correct 4 ms 7772 KB Output is correct
21 Correct 4 ms 7772 KB Output is correct
22 Correct 27 ms 11188 KB Output is correct
23 Correct 25 ms 11292 KB Output is correct
24 Correct 26 ms 11136 KB Output is correct
25 Correct 22 ms 10836 KB Output is correct
26 Correct 26 ms 11216 KB Output is correct
27 Correct 21 ms 10960 KB Output is correct
28 Correct 23 ms 11068 KB Output is correct
29 Correct 23 ms 11092 KB Output is correct
30 Correct 24 ms 11084 KB Output is correct
31 Correct 26 ms 11100 KB Output is correct
32 Correct 23 ms 11092 KB Output is correct
33 Correct 23 ms 11020 KB Output is correct
34 Correct 23 ms 11224 KB Output is correct
35 Correct 2 ms 7260 KB Output is correct
36 Correct 2 ms 7260 KB Output is correct
37 Correct 22 ms 11084 KB Output is correct
38 Correct 24 ms 11364 KB Output is correct
39 Correct 23 ms 11144 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 7256 KB Output is correct
2 Correct 2 ms 7260 KB Output is correct
3 Correct 2 ms 7300 KB Output is correct
4 Correct 2 ms 7260 KB Output is correct
5 Correct 37 ms 16428 KB Output is correct
6 Correct 31 ms 11688 KB Output is correct
7 Correct 40 ms 16372 KB Output is correct
8 Correct 23 ms 11248 KB Output is correct
9 Correct 39 ms 16832 KB Output is correct
10 Correct 36 ms 13444 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 7260 KB Output is correct
2 Correct 2 ms 7256 KB Output is correct
3 Correct 2 ms 7260 KB Output is correct
4 Correct 2 ms 7260 KB Output is correct
5 Correct 2 ms 7260 KB Output is correct
6 Correct 2 ms 7260 KB Output is correct
7 Correct 2 ms 7260 KB Output is correct
8 Correct 2 ms 7260 KB Output is correct
9 Correct 2 ms 7260 KB Output is correct
10 Correct 2 ms 7100 KB Output is correct
11 Correct 2 ms 7260 KB Output is correct
12 Correct 2 ms 7512 KB Output is correct
13 Correct 2 ms 7260 KB Output is correct
14 Correct 2 ms 7260 KB Output is correct
15 Correct 2 ms 7260 KB Output is correct
16 Correct 2 ms 7260 KB Output is correct
17 Correct 2 ms 7256 KB Output is correct
18 Correct 2 ms 7260 KB Output is correct
19 Correct 1 ms 7260 KB Output is correct
20 Correct 1 ms 7260 KB Output is correct
21 Correct 2 ms 7260 KB Output is correct
22 Correct 2 ms 7260 KB Output is correct
23 Correct 2 ms 7260 KB Output is correct
24 Correct 2 ms 7260 KB Output is correct
25 Correct 1 ms 7260 KB Output is correct
26 Correct 1 ms 7260 KB Output is correct
27 Correct 2 ms 7260 KB Output is correct
28 Correct 2 ms 7260 KB Output is correct
29 Correct 2 ms 7260 KB Output is correct
30 Correct 2 ms 7260 KB Output is correct
31 Correct 2 ms 7260 KB Output is correct
32 Correct 2 ms 7256 KB Output is correct
33 Correct 2 ms 7260 KB Output is correct
34 Correct 2 ms 7260 KB Output is correct
35 Correct 2 ms 7260 KB Output is correct
36 Correct 2 ms 7260 KB Output is correct
37 Correct 2 ms 7260 KB Output is correct
38 Correct 2 ms 7260 KB Output is correct
39 Correct 2 ms 7260 KB Output is correct
40 Correct 2 ms 7260 KB Output is correct
41 Correct 2 ms 7256 KB Output is correct
42 Correct 2 ms 7260 KB Output is correct
43 Correct 2 ms 7256 KB Output is correct
44 Correct 2 ms 7260 KB Output is correct
45 Correct 2 ms 7260 KB Output is correct
46 Correct 2 ms 7256 KB Output is correct
47 Correct 2 ms 7260 KB Output is correct
48 Correct 2 ms 7260 KB Output is correct
49 Correct 2 ms 7256 KB Output is correct
50 Correct 2 ms 7260 KB Output is correct
51 Correct 2 ms 7324 KB Output is correct
52 Correct 2 ms 7260 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 7260 KB Output is correct
2 Correct 2 ms 7256 KB Output is correct
3 Correct 2 ms 7260 KB Output is correct
4 Correct 2 ms 7260 KB Output is correct
5 Correct 2 ms 7260 KB Output is correct
6 Correct 2 ms 7260 KB Output is correct
7 Correct 2 ms 7260 KB Output is correct
8 Correct 2 ms 7260 KB Output is correct
9 Correct 2 ms 7260 KB Output is correct
10 Correct 2 ms 7100 KB Output is correct
11 Correct 2 ms 7260 KB Output is correct
12 Correct 2 ms 7512 KB Output is correct
13 Correct 2 ms 7260 KB Output is correct
14 Correct 2 ms 7260 KB Output is correct
15 Correct 2 ms 7260 KB Output is correct
16 Correct 2 ms 7260 KB Output is correct
17 Correct 2 ms 7256 KB Output is correct
18 Correct 2 ms 7260 KB Output is correct
19 Correct 1 ms 7260 KB Output is correct
20 Correct 1 ms 7260 KB Output is correct
21 Correct 2 ms 7260 KB Output is correct
22 Correct 2 ms 7260 KB Output is correct
23 Correct 2 ms 7260 KB Output is correct
24 Correct 2 ms 7260 KB Output is correct
25 Correct 1 ms 7260 KB Output is correct
26 Correct 1 ms 7260 KB Output is correct
27 Correct 2 ms 7260 KB Output is correct
28 Correct 2 ms 7260 KB Output is correct
29 Correct 2 ms 7260 KB Output is correct
30 Correct 2 ms 7260 KB Output is correct
31 Correct 2 ms 7260 KB Output is correct
32 Correct 2 ms 7256 KB Output is correct
33 Correct 2 ms 7260 KB Output is correct
34 Correct 2 ms 7260 KB Output is correct
35 Correct 2 ms 7260 KB Output is correct
36 Correct 2 ms 7260 KB Output is correct
37 Correct 2 ms 7260 KB Output is correct
38 Correct 2 ms 7260 KB Output is correct
39 Correct 1 ms 7260 KB Output is correct
40 Correct 2 ms 7256 KB Output is correct
41 Correct 2 ms 7260 KB Output is correct
42 Correct 2 ms 7260 KB Output is correct
43 Correct 2 ms 7516 KB Output is correct
44 Correct 2 ms 7260 KB Output is correct
45 Correct 2 ms 7308 KB Output is correct
46 Correct 2 ms 7512 KB Output is correct
47 Correct 2 ms 7096 KB Output is correct
48 Correct 2 ms 7260 KB Output is correct
49 Correct 2 ms 7260 KB Output is correct
50 Correct 2 ms 7260 KB Output is correct
51 Correct 2 ms 7260 KB Output is correct
52 Correct 2 ms 7260 KB Output is correct
53 Correct 2 ms 7304 KB Output is correct
54 Correct 4 ms 7772 KB Output is correct
55 Correct 4 ms 7772 KB Output is correct
56 Correct 27 ms 11188 KB Output is correct
57 Correct 25 ms 11292 KB Output is correct
58 Correct 26 ms 11136 KB Output is correct
59 Correct 22 ms 10836 KB Output is correct
60 Correct 26 ms 11216 KB Output is correct
61 Correct 21 ms 10960 KB Output is correct
62 Correct 23 ms 11068 KB Output is correct
63 Correct 23 ms 11092 KB Output is correct
64 Correct 24 ms 11084 KB Output is correct
65 Correct 26 ms 11100 KB Output is correct
66 Correct 23 ms 11092 KB Output is correct
67 Correct 23 ms 11020 KB Output is correct
68 Correct 23 ms 11224 KB Output is correct
69 Correct 2 ms 7260 KB Output is correct
70 Correct 2 ms 7260 KB Output is correct
71 Correct 22 ms 11084 KB Output is correct
72 Correct 24 ms 11364 KB Output is correct
73 Correct 23 ms 11144 KB Output is correct
74 Correct 2 ms 7256 KB Output is correct
75 Correct 2 ms 7260 KB Output is correct
76 Correct 2 ms 7300 KB Output is correct
77 Correct 2 ms 7260 KB Output is correct
78 Correct 37 ms 16428 KB Output is correct
79 Correct 31 ms 11688 KB Output is correct
80 Correct 40 ms 16372 KB Output is correct
81 Correct 23 ms 11248 KB Output is correct
82 Correct 39 ms 16832 KB Output is correct
83 Correct 36 ms 13444 KB Output is correct
84 Correct 2 ms 7260 KB Output is correct
85 Correct 2 ms 7260 KB Output is correct
86 Correct 2 ms 7260 KB Output is correct
87 Correct 2 ms 7260 KB Output is correct
88 Correct 2 ms 7256 KB Output is correct
89 Correct 2 ms 7260 KB Output is correct
90 Correct 2 ms 7256 KB Output is correct
91 Correct 2 ms 7260 KB Output is correct
92 Correct 2 ms 7260 KB Output is correct
93 Correct 2 ms 7256 KB Output is correct
94 Correct 2 ms 7260 KB Output is correct
95 Correct 2 ms 7260 KB Output is correct
96 Correct 2 ms 7256 KB Output is correct
97 Correct 2 ms 7260 KB Output is correct
98 Correct 2 ms 7324 KB Output is correct
99 Correct 2 ms 7260 KB Output is correct
100 Correct 2 ms 7260 KB Output is correct
101 Correct 6 ms 8028 KB Output is correct
102 Correct 5 ms 7768 KB Output is correct
103 Correct 46 ms 16464 KB Output is correct
104 Correct 49 ms 16392 KB Output is correct
105 Correct 40 ms 13648 KB Output is correct
106 Correct 39 ms 16468 KB Output is correct
107 Correct 43 ms 11908 KB Output is correct
108 Correct 41 ms 12268 KB Output is correct
109 Correct 23 ms 11400 KB Output is correct
110 Correct 23 ms 11092 KB Output is correct
111 Correct 37 ms 15732 KB Output is correct
112 Correct 49 ms 15112 KB Output is correct
113 Correct 41 ms 11860 KB Output is correct
114 Correct 35 ms 16476 KB Output is correct
115 Correct 35 ms 16464 KB Output is correct