oj.uz

Submission #890911

# Submission time Handle Problem Language Result Execution time Memory
890911 2023-12-22T05:10:53 Z 8pete8 Arranging Shoes (IOI19_shoes) C++17
100 / 100
 267 ms 410640 KB 
#include "shoes.h"
#include<iostream>
#include<stack>
#include<map>
#include<vector>
#include<string>
#include<unordered_map>
#include <queue>
#include<cstring>
#include<limits.h>
#include <cassert>
#include<cmath>
#include<set>
#include<algorithm>
#include <iomanip>
#include<numeric> //gcd(a,b)
#include<bitset>
using namespace std;
#define ll long long
#define f first
#define endl "\n"
#define s second
#define pii pair<int,int>
#define ppii pair<int,pii>
#define vi vector<int>
#define pb push_back
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define F(n) for(int i=0;i<n;i++)
#define lb lower_bound
#define ub upper_bound
#define fastio ios::sync_with_stdio(false);cin.tie(NULL);
#pragma GCC optimize ("03,unroll-loops")
#define pii pair<int,int>
#define f first
#define s second
using namespace std;
const int mxn=3e5+1;
ll x,n;
struct fen{
	ll fwk[mxn+10];
	void update(ll pos,ll val){for(ll i=pos;i<=n;i+=(i&-i))fwk[i]+=val;}
	ll qry(ll pos){
		ll sum=0;
		for(ll i=pos;i>0;i-=(i&-i))sum+=fwk[i];
		return sum;
	}
}t;
bool cmp(pii a,pii b){
	if(a.f+a.s!=b.f+b.s)return a.f+a.s<b.f+b.s;
	return min(a.f,a.s)<min(b.f,b.s);
}
ll cal(pii a){
	if(a.f>a.s)a.s++;
	return (a.f-1)+abs(2-a.s);
}
queue<ll>pos[mxn+10][2];
long long count_swaps(std::vector<int> sh) {
	ll ans=0;
	n=sh.size();
	x=n/2;
	vector<pii>shoes;
	vector<bool>use(n+1,0);
	for(ll j=0;j<n;j++){
		pos[abs(sh[j])][sh[j]>0].push(j+1);
		while(!pos[abs(sh[j])][0].empty()&&!pos[abs(sh[j])][1].empty()){
			shoes.pb({pos[abs(sh[j])][0].front(),pos[abs(sh[j])][1].front()});
			pos[abs(sh[j])][0].pop();
			pos[abs(sh[j])][1].pop();
		}
	}
	for(ll i=1;i<=n;i++)t.update(i,1);
	sort(all(shoes),cmp);
	for(auto i:shoes){
		ll k=cal(make_pair(t.qry(i.f),t.qry(i.s)));
		ans+=k;
		t.update(i.f,-1);
		t.update(i.s,-1);
	}
	return ans;
}/*
int32_t main(){
	ll n;cin>>n;
	vector<int>a(n);
	for(int i=0;i<n;i++)cin>>a[i];
	cout<<count_swaps(a);
}*/

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 182 ms 404564 KB Output is correct
2 Correct 179 ms 404564 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 182 ms 404564 KB Output is correct
2 Correct 179 ms 404564 KB Output is correct
3 Correct 206 ms 404532 KB Output is correct
4 Correct 179 ms 404564 KB Output is correct
5 Correct 182 ms 404556 KB Output is correct
6 Correct 180 ms 404556 KB Output is correct
7 Correct 179 ms 404684 KB Output is correct
8 Correct 182 ms 404564 KB Output is correct
9 Correct 180 ms 404812 KB Output is correct
10 Correct 181 ms 404524 KB Output is correct
11 Correct 180 ms 404564 KB Output is correct
12 Correct 182 ms 404720 KB Output is correct
13 Correct 181 ms 404708 KB Output is correct
14 Correct 177 ms 404572 KB Output is correct
15 Correct 190 ms 405016 KB Output is correct
16 Correct 180 ms 404728 KB Output is correct
17 Correct 180 ms 404560 KB Output is correct
18 Correct 188 ms 404816 KB Output is correct
19 Correct 176 ms 404560 KB Output is correct
20 Correct 178 ms 404608 KB Output is correct
21 Correct 187 ms 404564 KB Output is correct
22 Correct 180 ms 404564 KB Output is correct
23 Correct 191 ms 404576 KB Output is correct
24 Correct 187 ms 404560 KB Output is correct
25 Correct 180 ms 404564 KB Output is correct
26 Correct 183 ms 404560 KB Output is correct
27 Correct 181 ms 404556 KB Output is correct
28 Correct 181 ms 404700 KB Output is correct
29 Correct 179 ms 404620 KB Output is correct
30 Correct 190 ms 404520 KB Output is correct
31 Correct 180 ms 404560 KB Output is correct
32 Correct 177 ms 404516 KB Output is correct
33 Correct 183 ms 404644 KB Output is correct
34 Correct 185 ms 404564 KB Output is correct
35 Correct 179 ms 404560 KB Output is correct
36 Correct 183 ms 404560 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 182 ms 404564 KB Output is correct
2 Correct 179 ms 404564 KB Output is correct
3 Correct 198 ms 404564 KB Output is correct
4 Correct 178 ms 404564 KB Output is correct
5 Correct 198 ms 404884 KB Output is correct
6 Correct 179 ms 404564 KB Output is correct
7 Correct 184 ms 404548 KB Output is correct
8 Correct 179 ms 404560 KB Output is correct
9 Correct 184 ms 404568 KB Output is correct
10 Correct 179 ms 404752 KB Output is correct
11 Correct 183 ms 404640 KB Output is correct
12 Correct 178 ms 404592 KB Output is correct
13 Correct 206 ms 404720 KB Output is correct
14 Correct 181 ms 404736 KB Output is correct
15 Correct 192 ms 404560 KB Output is correct
16 Correct 178 ms 404708 KB Output is correct
17 Correct 182 ms 404636 KB Output is correct
18 Correct 180 ms 404732 KB Output is correct
19 Correct 179 ms 404620 KB Output is correct
20 Correct 181 ms 405072 KB Output is correct
21 Correct 205 ms 405076 KB Output is correct
22 Correct 213 ms 408268 KB Output is correct
23 Correct 203 ms 408272 KB Output is correct
24 Correct 206 ms 408288 KB Output is correct
25 Correct 238 ms 409040 KB Output is correct
26 Correct 233 ms 409756 KB Output is correct
27 Correct 230 ms 409292 KB Output is correct
28 Correct 232 ms 410376 KB Output is correct
29 Correct 237 ms 410492 KB Output is correct
30 Correct 228 ms 410384 KB Output is correct
31 Correct 222 ms 409548 KB Output is correct
32 Correct 239 ms 410312 KB Output is correct
33 Correct 233 ms 410252 KB Output is correct
34 Correct 248 ms 410640 KB Output is correct
35 Correct 202 ms 404652 KB Output is correct
36 Correct 186 ms 404680 KB Output is correct
37 Correct 252 ms 410320 KB Output is correct
38 Correct 237 ms 410384 KB Output is correct
39 Correct 237 ms 410384 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 193 ms 404736 KB Output is correct
2 Correct 193 ms 404604 KB Output is correct
3 Correct 190 ms 404588 KB Output is correct
4 Correct 187 ms 404732 KB Output is correct
5 Correct 249 ms 408268 KB Output is correct
6 Correct 234 ms 409716 KB Output is correct
7 Correct 252 ms 409608 KB Output is correct
8 Correct 245 ms 410516 KB Output is correct
9 Correct 228 ms 409452 KB Output is correct
10 Correct 222 ms 409564 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 182 ms 404564 KB Output is correct
2 Correct 179 ms 404564 KB Output is correct
3 Correct 206 ms 404532 KB Output is correct
4 Correct 179 ms 404564 KB Output is correct
5 Correct 182 ms 404556 KB Output is correct
6 Correct 180 ms 404556 KB Output is correct
7 Correct 179 ms 404684 KB Output is correct
8 Correct 182 ms 404564 KB Output is correct
9 Correct 180 ms 404812 KB Output is correct
10 Correct 181 ms 404524 KB Output is correct
11 Correct 180 ms 404564 KB Output is correct
12 Correct 182 ms 404720 KB Output is correct
13 Correct 181 ms 404708 KB Output is correct
14 Correct 177 ms 404572 KB Output is correct
15 Correct 190 ms 405016 KB Output is correct
16 Correct 180 ms 404728 KB Output is correct
17 Correct 180 ms 404560 KB Output is correct
18 Correct 188 ms 404816 KB Output is correct
19 Correct 176 ms 404560 KB Output is correct
20 Correct 178 ms 404608 KB Output is correct
21 Correct 187 ms 404564 KB Output is correct
22 Correct 180 ms 404564 KB Output is correct
23 Correct 191 ms 404576 KB Output is correct
24 Correct 187 ms 404560 KB Output is correct
25 Correct 180 ms 404564 KB Output is correct
26 Correct 183 ms 404560 KB Output is correct
27 Correct 181 ms 404556 KB Output is correct
28 Correct 181 ms 404700 KB Output is correct
29 Correct 179 ms 404620 KB Output is correct
30 Correct 190 ms 404520 KB Output is correct
31 Correct 180 ms 404560 KB Output is correct
32 Correct 177 ms 404516 KB Output is correct
33 Correct 183 ms 404644 KB Output is correct
34 Correct 185 ms 404564 KB Output is correct
35 Correct 179 ms 404560 KB Output is correct
36 Correct 183 ms 404560 KB Output is correct
37 Correct 182 ms 404568 KB Output is correct
38 Correct 178 ms 404560 KB Output is correct
39 Correct 180 ms 404564 KB Output is correct
40 Correct 184 ms 404564 KB Output is correct
41 Correct 189 ms 404560 KB Output is correct
42 Correct 179 ms 404564 KB Output is correct
43 Correct 179 ms 404568 KB Output is correct
44 Correct 196 ms 404656 KB Output is correct
45 Correct 186 ms 404700 KB Output is correct
46 Correct 181 ms 404760 KB Output is correct
47 Correct 265 ms 404684 KB Output is correct
48 Correct 184 ms 404684 KB Output is correct
49 Correct 198 ms 404564 KB Output is correct
50 Correct 194 ms 404740 KB Output is correct
51 Correct 186 ms 404640 KB Output is correct
52 Correct 199 ms 404716 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 182 ms 404564 KB Output is correct
2 Correct 179 ms 404564 KB Output is correct
3 Correct 206 ms 404532 KB Output is correct
4 Correct 179 ms 404564 KB Output is correct
5 Correct 182 ms 404556 KB Output is correct
6 Correct 180 ms 404556 KB Output is correct
7 Correct 179 ms 404684 KB Output is correct
8 Correct 182 ms 404564 KB Output is correct
9 Correct 180 ms 404812 KB Output is correct
10 Correct 181 ms 404524 KB Output is correct
11 Correct 180 ms 404564 KB Output is correct
12 Correct 182 ms 404720 KB Output is correct
13 Correct 181 ms 404708 KB Output is correct
14 Correct 177 ms 404572 KB Output is correct
15 Correct 190 ms 405016 KB Output is correct
16 Correct 180 ms 404728 KB Output is correct
17 Correct 180 ms 404560 KB Output is correct
18 Correct 188 ms 404816 KB Output is correct
19 Correct 176 ms 404560 KB Output is correct
20 Correct 178 ms 404608 KB Output is correct
21 Correct 187 ms 404564 KB Output is correct
22 Correct 180 ms 404564 KB Output is correct
23 Correct 191 ms 404576 KB Output is correct
24 Correct 187 ms 404560 KB Output is correct
25 Correct 180 ms 404564 KB Output is correct
26 Correct 183 ms 404560 KB Output is correct
27 Correct 181 ms 404556 KB Output is correct
28 Correct 181 ms 404700 KB Output is correct
29 Correct 179 ms 404620 KB Output is correct
30 Correct 190 ms 404520 KB Output is correct
31 Correct 180 ms 404560 KB Output is correct
32 Correct 177 ms 404516 KB Output is correct
33 Correct 183 ms 404644 KB Output is correct
34 Correct 185 ms 404564 KB Output is correct
35 Correct 179 ms 404560 KB Output is correct
36 Correct 183 ms 404560 KB Output is correct
37 Correct 198 ms 404564 KB Output is correct
38 Correct 178 ms 404564 KB Output is correct
39 Correct 198 ms 404884 KB Output is correct
40 Correct 179 ms 404564 KB Output is correct
41 Correct 184 ms 404548 KB Output is correct
42 Correct 179 ms 404560 KB Output is correct
43 Correct 184 ms 404568 KB Output is correct
44 Correct 179 ms 404752 KB Output is correct
45 Correct 183 ms 404640 KB Output is correct
46 Correct 178 ms 404592 KB Output is correct
47 Correct 206 ms 404720 KB Output is correct
48 Correct 181 ms 404736 KB Output is correct
49 Correct 192 ms 404560 KB Output is correct
50 Correct 178 ms 404708 KB Output is correct
51 Correct 182 ms 404636 KB Output is correct
52 Correct 180 ms 404732 KB Output is correct
53 Correct 179 ms 404620 KB Output is correct
54 Correct 181 ms 405072 KB Output is correct
55 Correct 205 ms 405076 KB Output is correct
56 Correct 213 ms 408268 KB Output is correct
57 Correct 203 ms 408272 KB Output is correct
58 Correct 206 ms 408288 KB Output is correct
59 Correct 238 ms 409040 KB Output is correct
60 Correct 233 ms 409756 KB Output is correct
61 Correct 230 ms 409292 KB Output is correct
62 Correct 232 ms 410376 KB Output is correct
63 Correct 237 ms 410492 KB Output is correct
64 Correct 228 ms 410384 KB Output is correct
65 Correct 222 ms 409548 KB Output is correct
66 Correct 239 ms 410312 KB Output is correct
67 Correct 233 ms 410252 KB Output is correct
68 Correct 248 ms 410640 KB Output is correct
69 Correct 202 ms 404652 KB Output is correct
70 Correct 186 ms 404680 KB Output is correct
71 Correct 252 ms 410320 KB Output is correct
72 Correct 237 ms 410384 KB Output is correct
73 Correct 237 ms 410384 KB Output is correct
74 Correct 193 ms 404736 KB Output is correct
75 Correct 193 ms 404604 KB Output is correct
76 Correct 190 ms 404588 KB Output is correct
77 Correct 187 ms 404732 KB Output is correct
78 Correct 249 ms 408268 KB Output is correct
79 Correct 234 ms 409716 KB Output is correct
80 Correct 252 ms 409608 KB Output is correct
81 Correct 245 ms 410516 KB Output is correct
82 Correct 228 ms 409452 KB Output is correct
83 Correct 222 ms 409564 KB Output is correct
84 Correct 182 ms 404568 KB Output is correct
85 Correct 178 ms 404560 KB Output is correct
86 Correct 180 ms 404564 KB Output is correct
87 Correct 184 ms 404564 KB Output is correct
88 Correct 189 ms 404560 KB Output is correct
89 Correct 179 ms 404564 KB Output is correct
90 Correct 179 ms 404568 KB Output is correct
91 Correct 196 ms 404656 KB Output is correct
92 Correct 186 ms 404700 KB Output is correct
93 Correct 181 ms 404760 KB Output is correct
94 Correct 265 ms 404684 KB Output is correct
95 Correct 184 ms 404684 KB Output is correct
96 Correct 198 ms 404564 KB Output is correct
97 Correct 194 ms 404740 KB Output is correct
98 Correct 186 ms 404640 KB Output is correct
99 Correct 199 ms 404716 KB Output is correct
100 Correct 209 ms 404596 KB Output is correct
101 Correct 190 ms 405012 KB Output is correct
102 Correct 198 ms 405052 KB Output is correct
103 Correct 236 ms 409552 KB Output is correct
104 Correct 230 ms 409640 KB Output is correct
105 Correct 241 ms 409568 KB Output is correct
106 Correct 267 ms 409476 KB Output is correct
107 Correct 224 ms 409452 KB Output is correct
108 Correct 246 ms 409620 KB Output is correct
109 Correct 262 ms 410380 KB Output is correct
110 Correct 241 ms 410452 KB Output is correct
111 Correct 237 ms 409552 KB Output is correct
112 Correct 231 ms 409548 KB Output is correct
113 Correct 224 ms 409464 KB Output is correct
114 Correct 223 ms 409480 KB Output is correct
115 Correct 226 ms 409552 KB Output is correct