oj.uz

Submission #855809

# Submission time Handle Problem Language Result Execution time Memory
855809 2023-10-01T21:02:30 Z Huseyn123 Arranging Shoes (IOI19_shoes) C++17
100 / 100
 67 ms 21376 KB 
#include <bits/stdc++.h>
#define MAX 200001
#include "shoes.h"
using namespace std;
typedef long long ll;
ll sum[MAX],cnt=1;
void update(ll x,ll v){
    while(x<=cnt){
        sum[x]+=v;
        x+=x&-x;
    }
}
ll query(ll x){
    ll res=0;
    while(x>=1){
        res+=sum[x];
        x-=x&-x;
    }
    return res;
}
ll count_swaps(vector<int> s) {
	int n=s.size();
	cnt=n;
	ll res=0; 
	vector<vector<int>> c;
	vector<vector<int>> d;
	c.resize(n+1); 
	d.resize(n+1);
	int ind=1;
	for(auto x:s){
		if(x<0){
			c[-x].push_back(ind);
		}
		else{
			d[x].push_back(ind);
		}
		ind++;
	}
	vector<pair<int,int>> e; 
	for(int i=1;i<=n;i++){
		for(int j=0;j<c[i].size();j++){
			int h1,h2; 
			h1=c[i][j]; 
			h2=d[i][j]; 
			if(h1<h2){
				e.push_back(make_pair(h1,h2));
			}
			else{
				e.push_back(make_pair(h2,h1)); 
				res++;
			}
		}
	}
	sort(e.begin(),e.end()); 
	for(auto x:e){
		update(x.first,-1); 
		update(x.second,-1);
		res+=query(x.second)-query(x.first-1)+x.second-x.first+1;
	}
	return res;
}

Compilation message

shoes.cpp: In function 'll count_swaps(std::vector<int>)':
shoes.cpp:41:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |   for(int j=0;j<c[i].size();j++){
      |               ~^~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 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 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 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 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 1 ms 360 KB Output is correct
19 Correct 0 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 0 ms 448 KB Output is correct
23 Correct 0 ms 448 KB Output is correct
24 Correct 0 ms 448 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 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 448 KB Output is correct
31 Correct 1 ms 344 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 544 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 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 0 ms 344 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 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 3 ms 2064 KB Output is correct
21 Correct 3 ms 2140 KB Output is correct
22 Correct 31 ms 15840 KB Output is correct
23 Correct 26 ms 15936 KB Output is correct
24 Correct 33 ms 15688 KB Output is correct
25 Correct 34 ms 15556 KB Output is correct
26 Correct 29 ms 15888 KB Output is correct
27 Correct 25 ms 15692 KB Output is correct
28 Correct 36 ms 15928 KB Output is correct
29 Correct 33 ms 15824 KB Output is correct
30 Correct 35 ms 15816 KB Output is correct
31 Correct 29 ms 15808 KB Output is correct
32 Correct 35 ms 15816 KB Output is correct
33 Correct 32 ms 15568 KB Output is correct
34 Correct 32 ms 15856 KB Output is correct
35 Correct 0 ms 344 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 34 ms 15808 KB Output is correct
38 Correct 34 ms 15816 KB Output is correct
39 Correct 35 ms 15812 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 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 348 KB Output is correct
5 Correct 60 ms 21376 KB Output is correct
6 Correct 46 ms 16544 KB Output is correct
7 Correct 58 ms 21304 KB Output is correct
8 Correct 37 ms 16044 KB Output is correct
9 Correct 67 ms 21284 KB Output is correct
10 Correct 57 ms 18196 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 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 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 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 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 1 ms 360 KB Output is correct
19 Correct 0 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 0 ms 448 KB Output is correct
23 Correct 0 ms 448 KB Output is correct
24 Correct 0 ms 448 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 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 448 KB Output is correct
31 Correct 1 ms 344 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 344 KB Output is correct
38 Correct 0 ms 344 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 1 ms 604 KB Output is correct
42 Correct 1 ms 604 KB Output is correct
43 Correct 1 ms 604 KB Output is correct
44 Correct 1 ms 604 KB Output is correct
45 Correct 1 ms 604 KB Output is correct
46 Correct 1 ms 604 KB Output is correct
47 Correct 1 ms 604 KB Output is correct
48 Correct 1 ms 604 KB Output is correct
49 Correct 1 ms 604 KB Output is correct
50 Correct 1 ms 604 KB Output is correct
51 Correct 1 ms 604 KB Output is correct
52 Correct 1 ms 604 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 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 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 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 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 1 ms 360 KB Output is correct
19 Correct 0 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 0 ms 448 KB Output is correct
23 Correct 0 ms 448 KB Output is correct
24 Correct 0 ms 448 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 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 448 KB Output is correct
31 Correct 1 ms 344 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 544 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 0 ms 344 KB Output is correct
44 Correct 0 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 0 ms 344 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 0 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 3 ms 2064 KB Output is correct
55 Correct 3 ms 2140 KB Output is correct
56 Correct 31 ms 15840 KB Output is correct
57 Correct 26 ms 15936 KB Output is correct
58 Correct 33 ms 15688 KB Output is correct
59 Correct 34 ms 15556 KB Output is correct
60 Correct 29 ms 15888 KB Output is correct
61 Correct 25 ms 15692 KB Output is correct
62 Correct 36 ms 15928 KB Output is correct
63 Correct 33 ms 15824 KB Output is correct
64 Correct 35 ms 15816 KB Output is correct
65 Correct 29 ms 15808 KB Output is correct
66 Correct 35 ms 15816 KB Output is correct
67 Correct 32 ms 15568 KB Output is correct
68 Correct 32 ms 15856 KB Output is correct
69 Correct 0 ms 344 KB Output is correct
70 Correct 0 ms 348 KB Output is correct
71 Correct 34 ms 15808 KB Output is correct
72 Correct 34 ms 15816 KB Output is correct
73 Correct 35 ms 15812 KB Output is correct
74 Correct 1 ms 344 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 348 KB Output is correct
78 Correct 60 ms 21376 KB Output is correct
79 Correct 46 ms 16544 KB Output is correct
80 Correct 58 ms 21304 KB Output is correct
81 Correct 37 ms 16044 KB Output is correct
82 Correct 67 ms 21284 KB Output is correct
83 Correct 57 ms 18196 KB Output is correct
84 Correct 0 ms 344 KB Output is correct
85 Correct 0 ms 344 KB Output is correct
86 Correct 0 ms 348 KB Output is correct
87 Correct 0 ms 348 KB Output is correct
88 Correct 1 ms 604 KB Output is correct
89 Correct 1 ms 604 KB Output is correct
90 Correct 1 ms 604 KB Output is correct
91 Correct 1 ms 604 KB Output is correct
92 Correct 1 ms 604 KB Output is correct
93 Correct 1 ms 604 KB Output is correct
94 Correct 1 ms 604 KB Output is correct
95 Correct 1 ms 604 KB Output is correct
96 Correct 1 ms 604 KB Output is correct
97 Correct 1 ms 604 KB Output is correct
98 Correct 1 ms 604 KB Output is correct
99 Correct 1 ms 604 KB Output is correct
100 Correct 1 ms 604 KB Output is correct
101 Correct 5 ms 2396 KB Output is correct
102 Correct 4 ms 2164 KB Output is correct
103 Correct 56 ms 21192 KB Output is correct
104 Correct 62 ms 21184 KB Output is correct
105 Correct 48 ms 18476 KB Output is correct
106 Correct 55 ms 21192 KB Output is correct
107 Correct 39 ms 16584 KB Output is correct
108 Correct 43 ms 16960 KB Output is correct
109 Correct 37 ms 16180 KB Output is correct
110 Correct 34 ms 15808 KB Output is correct
111 Correct 55 ms 20456 KB Output is correct
112 Correct 61 ms 19848 KB Output is correct
113 Correct 43 ms 16708 KB Output is correct
114 Correct 54 ms 21224 KB Output is correct
115 Correct 61 ms 21364 KB Output is correct