oj.uz

Submission #559373

# Submission time Handle Problem Language Result Execution time Memory
559373 2022-05-09T16:37:19 Z LastRonin Arranging Shoes (IOI19_shoes) C++14
100 / 100
 109 ms 23760 KB 
//#include "shoes.h"
#include <bits/stdc++.h>
#define ll long long
#define pb push_back
using namespace std;
 
const ll N = 2e5;
 
ll n;
vector<ll> st[N], ex[N];
bool was[N];
ll cur[N];

struct seg {
	ll t[4 * N] = {0};
	void upd(ll p, ll v = 1, ll tl = 1, ll tr = n) {
		if(tl == tr) {
			t[v] = 1;
			return;
		}
		ll m = (tl + tr) >> 1ll;
		if(p <= m)upd(p, v * 2, tl, m);
		else upd(p, v * 2 + 1, m + 1, tr);
		t[v] = t[v] + 1;
	}
	ll get(ll l, ll r, ll v = 1, ll tl = 1, ll tr = n) {
		if(l > tr || tl > r)return 0;
		if(l <= tl && tr <= r)return t[v];
		ll m = (tl + tr) >> 1ll;
		return get(l, r, v * 2, tl, m) + get(l, r, v * 2 + 1, m + 1, tr);
	}
} rt;
 
long long count_swaps(vector<int> s) {
	n = s.size();
	ll pos = 0;
	for(auto u : s) {
		if(u < 0) {
			st[-u].pb(pos++);
		}
		else {
			ex[u].pb(pos++);
		}
	}
	ll ans = 0;
	for(int j = 0; j < n; j++) {
		if(was[j])continue;
		ll z = -1;
		if(s[j] < 0) {
			ll z = ex[-s[j]][cur[-s[j]]];
			cur[-s[j]]++;
			ans += (z  - (j + 1)) - rt.get(j + 1, z);
			rt.upd(z, 1);
			was[z] = 1;
		}
		else {
			ll z = st[s[j]][cur[s[j]]];
			cur[s[j]]++;
			ans += (z - j) - rt.get(j, z);
			rt.upd(z, 1);
			was[z] = 1;
		}
	}
	return ans;
}
/*
int main() {
	int n;
	vector<int> s;
	cin >> n;
	for(int i = 0; i < n; i++) {
		s.pb(0);
		cin >> s.back();
	}
	cout << count_swaps(s);	
}
/**/

Compilation message

shoes.cpp:77:1: warning: "/*" within comment [-Wcomment]
   77 | /**/
      |  
shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:48:6: warning: unused variable 'z' [-Wunused-variable]
   48 |   ll z = -1;
      |      ^

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9684 KB Output is correct
2 Correct 7 ms 9684 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9684 KB Output is correct
2 Correct 7 ms 9684 KB Output is correct
3 Correct 5 ms 9684 KB Output is correct
4 Correct 5 ms 9684 KB Output is correct
5 Correct 6 ms 9684 KB Output is correct
6 Correct 5 ms 9684 KB Output is correct
7 Correct 5 ms 9708 KB Output is correct
8 Correct 5 ms 9684 KB Output is correct
9 Correct 5 ms 9684 KB Output is correct
10 Correct 5 ms 9684 KB Output is correct
11 Correct 5 ms 9684 KB Output is correct
12 Correct 5 ms 9616 KB Output is correct
13 Correct 5 ms 9684 KB Output is correct
14 Correct 5 ms 9684 KB Output is correct
15 Correct 5 ms 9684 KB Output is correct
16 Correct 5 ms 9684 KB Output is correct
17 Correct 5 ms 9684 KB Output is correct
18 Correct 5 ms 9684 KB Output is correct
19 Correct 6 ms 9684 KB Output is correct
20 Correct 5 ms 9684 KB Output is correct
21 Correct 6 ms 9684 KB Output is correct
22 Correct 6 ms 9684 KB Output is correct
23 Correct 6 ms 9684 KB Output is correct
24 Correct 6 ms 9684 KB Output is correct
25 Correct 5 ms 9596 KB Output is correct
26 Correct 5 ms 9684 KB Output is correct
27 Correct 6 ms 9684 KB Output is correct
28 Correct 5 ms 9684 KB Output is correct
29 Correct 6 ms 9684 KB Output is correct
30 Correct 5 ms 9684 KB Output is correct
31 Correct 5 ms 9684 KB Output is correct
32 Correct 5 ms 9684 KB Output is correct
33 Correct 5 ms 9684 KB Output is correct
34 Correct 4 ms 9684 KB Output is correct
35 Correct 5 ms 9684 KB Output is correct
36 Correct 5 ms 9684 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9684 KB Output is correct
2 Correct 7 ms 9684 KB Output is correct
3 Correct 5 ms 9684 KB Output is correct
4 Correct 5 ms 9684 KB Output is correct
5 Correct 5 ms 9684 KB Output is correct
6 Correct 6 ms 9684 KB Output is correct
7 Correct 5 ms 9684 KB Output is correct
8 Correct 5 ms 9684 KB Output is correct
9 Correct 6 ms 9684 KB Output is correct
10 Correct 6 ms 9684 KB Output is correct
11 Correct 5 ms 9684 KB Output is correct
12 Correct 5 ms 9684 KB Output is correct
13 Correct 5 ms 9684 KB Output is correct
14 Correct 5 ms 9652 KB Output is correct
15 Correct 5 ms 9684 KB Output is correct
16 Correct 5 ms 9684 KB Output is correct
17 Correct 6 ms 9684 KB Output is correct
18 Correct 6 ms 9684 KB Output is correct
19 Correct 6 ms 9684 KB Output is correct
20 Correct 10 ms 10708 KB Output is correct
21 Correct 10 ms 10580 KB Output is correct
22 Correct 55 ms 17344 KB Output is correct
23 Correct 46 ms 17304 KB Output is correct
24 Correct 65 ms 17156 KB Output is correct
25 Correct 73 ms 15072 KB Output is correct
26 Correct 54 ms 18520 KB Output is correct
27 Correct 49 ms 18396 KB Output is correct
28 Correct 56 ms 16384 KB Output is correct
29 Correct 56 ms 16400 KB Output is correct
30 Correct 64 ms 16352 KB Output is correct
31 Correct 53 ms 18528 KB Output is correct
32 Correct 51 ms 16336 KB Output is correct
33 Correct 56 ms 16192 KB Output is correct
34 Correct 54 ms 16384 KB Output is correct
35 Correct 6 ms 9616 KB Output is correct
36 Correct 5 ms 9696 KB Output is correct
37 Correct 51 ms 16412 KB Output is correct
38 Correct 52 ms 16448 KB Output is correct
39 Correct 51 ms 16348 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9684 KB Output is correct
2 Correct 6 ms 9620 KB Output is correct
3 Correct 7 ms 9684 KB Output is correct
4 Correct 6 ms 9684 KB Output is correct
5 Correct 87 ms 20492 KB Output is correct
6 Correct 75 ms 18112 KB Output is correct
7 Correct 73 ms 21660 KB Output is correct
8 Correct 52 ms 16928 KB Output is correct
9 Correct 67 ms 21736 KB Output is correct
10 Correct 81 ms 18980 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9684 KB Output is correct
2 Correct 7 ms 9684 KB Output is correct
3 Correct 5 ms 9684 KB Output is correct
4 Correct 5 ms 9684 KB Output is correct
5 Correct 6 ms 9684 KB Output is correct
6 Correct 5 ms 9684 KB Output is correct
7 Correct 5 ms 9708 KB Output is correct
8 Correct 5 ms 9684 KB Output is correct
9 Correct 5 ms 9684 KB Output is correct
10 Correct 5 ms 9684 KB Output is correct
11 Correct 5 ms 9684 KB Output is correct
12 Correct 5 ms 9616 KB Output is correct
13 Correct 5 ms 9684 KB Output is correct
14 Correct 5 ms 9684 KB Output is correct
15 Correct 5 ms 9684 KB Output is correct
16 Correct 5 ms 9684 KB Output is correct
17 Correct 5 ms 9684 KB Output is correct
18 Correct 5 ms 9684 KB Output is correct
19 Correct 6 ms 9684 KB Output is correct
20 Correct 5 ms 9684 KB Output is correct
21 Correct 6 ms 9684 KB Output is correct
22 Correct 6 ms 9684 KB Output is correct
23 Correct 6 ms 9684 KB Output is correct
24 Correct 6 ms 9684 KB Output is correct
25 Correct 5 ms 9596 KB Output is correct
26 Correct 5 ms 9684 KB Output is correct
27 Correct 6 ms 9684 KB Output is correct
28 Correct 5 ms 9684 KB Output is correct
29 Correct 6 ms 9684 KB Output is correct
30 Correct 5 ms 9684 KB Output is correct
31 Correct 5 ms 9684 KB Output is correct
32 Correct 5 ms 9684 KB Output is correct
33 Correct 5 ms 9684 KB Output is correct
34 Correct 4 ms 9684 KB Output is correct
35 Correct 5 ms 9684 KB Output is correct
36 Correct 5 ms 9684 KB Output is correct
37 Correct 5 ms 9684 KB Output is correct
38 Correct 7 ms 9684 KB Output is correct
39 Correct 7 ms 9644 KB Output is correct
40 Correct 6 ms 9684 KB Output is correct
41 Correct 6 ms 9812 KB Output is correct
42 Correct 6 ms 9812 KB Output is correct
43 Correct 6 ms 9812 KB Output is correct
44 Correct 6 ms 9684 KB Output is correct
45 Correct 6 ms 9684 KB Output is correct
46 Correct 5 ms 9684 KB Output is correct
47 Correct 6 ms 9684 KB Output is correct
48 Correct 6 ms 9684 KB Output is correct
49 Correct 6 ms 9692 KB Output is correct
50 Correct 5 ms 9684 KB Output is correct
51 Correct 6 ms 9684 KB Output is correct
52 Correct 6 ms 9812 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9684 KB Output is correct
2 Correct 7 ms 9684 KB Output is correct
3 Correct 5 ms 9684 KB Output is correct
4 Correct 5 ms 9684 KB Output is correct
5 Correct 6 ms 9684 KB Output is correct
6 Correct 5 ms 9684 KB Output is correct
7 Correct 5 ms 9708 KB Output is correct
8 Correct 5 ms 9684 KB Output is correct
9 Correct 5 ms 9684 KB Output is correct
10 Correct 5 ms 9684 KB Output is correct
11 Correct 5 ms 9684 KB Output is correct
12 Correct 5 ms 9616 KB Output is correct
13 Correct 5 ms 9684 KB Output is correct
14 Correct 5 ms 9684 KB Output is correct
15 Correct 5 ms 9684 KB Output is correct
16 Correct 5 ms 9684 KB Output is correct
17 Correct 5 ms 9684 KB Output is correct
18 Correct 5 ms 9684 KB Output is correct
19 Correct 6 ms 9684 KB Output is correct
20 Correct 5 ms 9684 KB Output is correct
21 Correct 6 ms 9684 KB Output is correct
22 Correct 6 ms 9684 KB Output is correct
23 Correct 6 ms 9684 KB Output is correct
24 Correct 6 ms 9684 KB Output is correct
25 Correct 5 ms 9596 KB Output is correct
26 Correct 5 ms 9684 KB Output is correct
27 Correct 6 ms 9684 KB Output is correct
28 Correct 5 ms 9684 KB Output is correct
29 Correct 6 ms 9684 KB Output is correct
30 Correct 5 ms 9684 KB Output is correct
31 Correct 5 ms 9684 KB Output is correct
32 Correct 5 ms 9684 KB Output is correct
33 Correct 5 ms 9684 KB Output is correct
34 Correct 4 ms 9684 KB Output is correct
35 Correct 5 ms 9684 KB Output is correct
36 Correct 5 ms 9684 KB Output is correct
37 Correct 5 ms 9684 KB Output is correct
38 Correct 5 ms 9684 KB Output is correct
39 Correct 5 ms 9684 KB Output is correct
40 Correct 6 ms 9684 KB Output is correct
41 Correct 5 ms 9684 KB Output is correct
42 Correct 5 ms 9684 KB Output is correct
43 Correct 6 ms 9684 KB Output is correct
44 Correct 6 ms 9684 KB Output is correct
45 Correct 5 ms 9684 KB Output is correct
46 Correct 5 ms 9684 KB Output is correct
47 Correct 5 ms 9684 KB Output is correct
48 Correct 5 ms 9652 KB Output is correct
49 Correct 5 ms 9684 KB Output is correct
50 Correct 5 ms 9684 KB Output is correct
51 Correct 6 ms 9684 KB Output is correct
52 Correct 6 ms 9684 KB Output is correct
53 Correct 6 ms 9684 KB Output is correct
54 Correct 10 ms 10708 KB Output is correct
55 Correct 10 ms 10580 KB Output is correct
56 Correct 55 ms 17344 KB Output is correct
57 Correct 46 ms 17304 KB Output is correct
58 Correct 65 ms 17156 KB Output is correct
59 Correct 73 ms 15072 KB Output is correct
60 Correct 54 ms 18520 KB Output is correct
61 Correct 49 ms 18396 KB Output is correct
62 Correct 56 ms 16384 KB Output is correct
63 Correct 56 ms 16400 KB Output is correct
64 Correct 64 ms 16352 KB Output is correct
65 Correct 53 ms 18528 KB Output is correct
66 Correct 51 ms 16336 KB Output is correct
67 Correct 56 ms 16192 KB Output is correct
68 Correct 54 ms 16384 KB Output is correct
69 Correct 6 ms 9616 KB Output is correct
70 Correct 5 ms 9696 KB Output is correct
71 Correct 51 ms 16412 KB Output is correct
72 Correct 52 ms 16448 KB Output is correct
73 Correct 51 ms 16348 KB Output is correct
74 Correct 5 ms 9684 KB Output is correct
75 Correct 6 ms 9620 KB Output is correct
76 Correct 7 ms 9684 KB Output is correct
77 Correct 6 ms 9684 KB Output is correct
78 Correct 87 ms 20492 KB Output is correct
79 Correct 75 ms 18112 KB Output is correct
80 Correct 73 ms 21660 KB Output is correct
81 Correct 52 ms 16928 KB Output is correct
82 Correct 67 ms 21736 KB Output is correct
83 Correct 81 ms 18980 KB Output is correct
84 Correct 5 ms 9684 KB Output is correct
85 Correct 7 ms 9684 KB Output is correct
86 Correct 7 ms 9644 KB Output is correct
87 Correct 6 ms 9684 KB Output is correct
88 Correct 6 ms 9812 KB Output is correct
89 Correct 6 ms 9812 KB Output is correct
90 Correct 6 ms 9812 KB Output is correct
91 Correct 6 ms 9684 KB Output is correct
92 Correct 6 ms 9684 KB Output is correct
93 Correct 5 ms 9684 KB Output is correct
94 Correct 6 ms 9684 KB Output is correct
95 Correct 6 ms 9684 KB Output is correct
96 Correct 6 ms 9692 KB Output is correct
97 Correct 5 ms 9684 KB Output is correct
98 Correct 6 ms 9684 KB Output is correct
99 Correct 6 ms 9812 KB Output is correct
100 Correct 6 ms 9812 KB Output is correct
101 Correct 13 ms 11048 KB Output is correct
102 Correct 15 ms 10792 KB Output is correct
103 Correct 109 ms 23760 KB Output is correct
104 Correct 68 ms 23756 KB Output is correct
105 Correct 95 ms 21420 KB Output is correct
106 Correct 81 ms 21668 KB Output is correct
107 Correct 83 ms 20288 KB Output is correct
108 Correct 72 ms 20432 KB Output is correct
109 Correct 54 ms 17088 KB Output is correct
110 Correct 59 ms 16344 KB Output is correct
111 Correct 80 ms 20980 KB Output is correct
112 Correct 100 ms 22424 KB Output is correct
113 Correct 81 ms 18140 KB Output is correct
114 Correct 78 ms 21744 KB Output is correct
115 Correct 73 ms 21664 KB Output is correct