oj.uz

답안 #836274

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
836274 2023-08-24T09:36:30 Z Antekb Arranging Shoes (IOI19_shoes) C++17
100 / 100
 65 ms 15180 KB 
#include<bits/stdc++.h>
#include "shoes.h"
#define st first
#define nd second
#define pb push_back
#define eb emplace_back
#define pp pop_back
#define mp make_pair
#define all(x) (x).begin(), (x).end()
using namespace std;
using pii = pair<int, int>;
using vi = vector<int>;
using vii = vector<pii>;
using ll = long long;

mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());

void debug(){cerr<<"\n";}
template<typename H, typename... T>
void debug(H h, T... t){
	cerr<<h;
	if(sizeof...(t))cerr<<", ";
	debug(t...);
}
#define deb(x...) cerr<<#x<<" = ";debug(x);

const int N=2e5+5;
int tab[N+N];
void add(int v, int c){
	for(v+=N; v; v>>=1){
		tab[v]+=c;
	}
}
int sum(int l, int r){
	int ans=0;
	for(l+=N, r+=N; l<r; l>>=1, r>>=1){
		if(l&1)ans+=tab[l++];
		if(r&1)ans+=tab[--r];
	}
	return ans;
}
ll count_swaps(std::vector<int> s) {
	int n=s.size()/2;
	vector<vi> L(n), R(n);
	for(int i=0; i<n+n; i++){
		if(s[i]>0)L[s[i]-1].pb(i);
		else R[-1-s[i]].pb(i);
		add(i, 1);
	}
	for(int i=0; i<n; i++){
		reverse(all(R[i]));
		reverse(all(L[i]));
	}
	ll ans=0;
	for(int i=0; i<n+n; i++){
		if(tab[N+i]){
			int t=abs(s[i])-1;
			if(s[i]>0)ans++;
			int k=max(L[t].back(), R[t].back());
			add(k, -1);
			ans+=sum(i+1,k);
			L[t].pp();
			R[t].pp();
		}
	}
	return ans;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 316 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 316 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 312 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 312 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 0 ms 320 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 0 ms 308 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 0 ms 312 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 0 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 0 ms 340 KB Output is correct
36 Correct 0 ms 340 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 316 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 292 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 308 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 312 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 3 ms 1348 KB Output is correct
21 Correct 3 ms 1364 KB Output is correct
22 Correct 31 ms 9196 KB Output is correct
23 Correct 22 ms 9312 KB Output is correct
24 Correct 27 ms 9240 KB Output is correct
25 Correct 29 ms 9260 KB Output is correct
26 Correct 30 ms 9284 KB Output is correct
27 Correct 21 ms 9356 KB Output is correct
28 Correct 31 ms 9284 KB Output is correct
29 Correct 29 ms 9264 KB Output is correct
30 Correct 29 ms 9260 KB Output is correct
31 Correct 31 ms 9284 KB Output is correct
32 Correct 28 ms 9284 KB Output is correct
33 Correct 28 ms 9284 KB Output is correct
34 Correct 29 ms 9284 KB Output is correct
35 Correct 0 ms 340 KB Output is correct
36 Correct 0 ms 312 KB Output is correct
37 Correct 29 ms 9264 KB Output is correct
38 Correct 29 ms 9252 KB Output is correct
39 Correct 29 ms 9280 KB Output is correct

Subtask #4
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 308 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 45 ms 14620 KB Output is correct
6 Correct 36 ms 9832 KB Output is correct
7 Correct 46 ms 14592 KB Output is correct
8 Correct 30 ms 9392 KB Output is correct
9 Correct 47 ms 14568 KB Output is correct
10 Correct 45 ms 11556 KB Output is correct

Subtask #5
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 316 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 312 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 312 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 0 ms 320 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 0 ms 308 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 0 ms 312 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 0 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 0 ms 340 KB Output is correct
36 Correct 0 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 0 ms 340 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 1 ms 468 KB Output is correct
42 Correct 1 ms 468 KB Output is correct
43 Correct 1 ms 468 KB Output is correct
44 Correct 1 ms 444 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Correct 3 ms 340 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 2 ms 468 KB Output is correct

Subtask #6
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 316 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 312 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 312 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 0 ms 320 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 0 ms 308 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 0 ms 312 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 0 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 0 ms 340 KB Output is correct
36 Correct 0 ms 340 KB Output is correct
37 Correct 0 ms 340 KB Output is correct
38 Correct 0 ms 340 KB Output is correct
39 Correct 0 ms 340 KB Output is correct
40 Correct 1 ms 292 KB Output is correct
41 Correct 0 ms 340 KB Output is correct
42 Correct 0 ms 340 KB Output is correct
43 Correct 1 ms 308 KB Output is correct
44 Correct 0 ms 340 KB Output is correct
45 Correct 0 ms 340 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 0 ms 340 KB Output is correct
48 Correct 0 ms 340 KB Output is correct
49 Correct 1 ms 312 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 1 ms 340 KB Output is correct
54 Correct 3 ms 1348 KB Output is correct
55 Correct 3 ms 1364 KB Output is correct
56 Correct 31 ms 9196 KB Output is correct
57 Correct 22 ms 9312 KB Output is correct
58 Correct 27 ms 9240 KB Output is correct
59 Correct 29 ms 9260 KB Output is correct
60 Correct 30 ms 9284 KB Output is correct
61 Correct 21 ms 9356 KB Output is correct
62 Correct 31 ms 9284 KB Output is correct
63 Correct 29 ms 9264 KB Output is correct
64 Correct 29 ms 9260 KB Output is correct
65 Correct 31 ms 9284 KB Output is correct
66 Correct 28 ms 9284 KB Output is correct
67 Correct 28 ms 9284 KB Output is correct
68 Correct 29 ms 9284 KB Output is correct
69 Correct 0 ms 340 KB Output is correct
70 Correct 0 ms 312 KB Output is correct
71 Correct 29 ms 9264 KB Output is correct
72 Correct 29 ms 9252 KB Output is correct
73 Correct 29 ms 9280 KB Output is correct
74 Correct 1 ms 340 KB Output is correct
75 Correct 1 ms 340 KB Output is correct
76 Correct 1 ms 308 KB Output is correct
77 Correct 1 ms 340 KB Output is correct
78 Correct 45 ms 14620 KB Output is correct
79 Correct 36 ms 9832 KB Output is correct
80 Correct 46 ms 14592 KB Output is correct
81 Correct 30 ms 9392 KB Output is correct
82 Correct 47 ms 14568 KB Output is correct
83 Correct 45 ms 11556 KB Output is correct
84 Correct 1 ms 340 KB Output is correct
85 Correct 1 ms 340 KB Output is correct
86 Correct 0 ms 340 KB Output is correct
87 Correct 1 ms 340 KB Output is correct
88 Correct 1 ms 468 KB Output is correct
89 Correct 1 ms 468 KB Output is correct
90 Correct 1 ms 468 KB Output is correct
91 Correct 1 ms 444 KB Output is correct
92 Correct 1 ms 340 KB Output is correct
93 Correct 1 ms 340 KB Output is correct
94 Correct 1 ms 340 KB Output is correct
95 Correct 3 ms 340 KB Output is correct
96 Correct 1 ms 340 KB Output is correct
97 Correct 1 ms 340 KB Output is correct
98 Correct 1 ms 340 KB Output is correct
99 Correct 2 ms 468 KB Output is correct
100 Correct 1 ms 468 KB Output is correct
101 Correct 7 ms 1808 KB Output is correct
102 Correct 4 ms 1364 KB Output is correct
103 Correct 65 ms 14988 KB Output is correct
104 Correct 37 ms 14888 KB Output is correct
105 Correct 50 ms 12216 KB Output is correct
106 Correct 50 ms 14964 KB Output is correct
107 Correct 51 ms 10328 KB Output is correct
108 Correct 38 ms 10800 KB Output is correct
109 Correct 31 ms 10056 KB Output is correct
110 Correct 31 ms 9820 KB Output is correct
111 Correct 60 ms 14444 KB Output is correct
112 Correct 56 ms 13616 KB Output is correct
113 Correct 63 ms 10376 KB Output is correct
114 Correct 50 ms 15180 KB Output is correct
115 Correct 45 ms 15124 KB Output is correct