oj.uz

Submission #153373

# Submission time Handle Problem Language Result Execution time Memory
153373 2019-09-13T18:42:39 Z Utaha Arranging Shoes (IOI19_shoes) C++14
100 / 100
 85 ms 13252 KB 
/*input

*/
#include <bits/stdc++.h>
#pragma GCC optimize("unroll-loops,no-stack-protector")
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef pair<ld,ld> pdd;
#define IOS ios_base::sync_with_stdio(0); cin.tie(0)
#define ALL(a) a.begin(),a.end()
#define SZ(a) ((int)a.size())
#define F first
#define S second
#define REP(i,n) for(int i=0;i<((int)n);i++)
#define eb emplace_back
#define pb push_back
#define MP(a,b) make_pair(a,b)
#define SORT_UNIQUE(c) (sort(c.begin(),c.end()), c.resize(distance(c.begin(),unique(c.begin(),c.end()))))
#define GET_POS(c,x) (lower_bound(c.begin(),c.end(),x)-c.begin())
#define EL cout<<'\n'
template<typename T1,typename T2>
ostream& operator<<(ostream& out,pair<T1,T2> P){
	out<<'('<<P.F<<','<<P.S<<')';
	return out;
}
template<typename T>
ostream& operator<<(ostream& out,vector<T> V){
	REP(i,SZ(V)) out<<V[i]<<((i!=SZ(V)-1)?" ":"");
	return out;
}
#define version 20190814
//}}}
const ll maxn=100005;
const ll maxlg=20;
const ll INF64=1e18;
const int INF=0x3f3f3f3f;
const ll MOD=ll(1e9+7);
const ld PI=acos(-1);
const ld eps=1e-9;
//const ll p=880301;
//const ll P=31;

ll mypow(ll a,ll b){
	ll res=1LL;
	while(b){
		if(b&1) res=res*a%MOD;
		a=a*a%MOD;
		b>>=1;
	}
	return res;
}

int n;
vector<pii> p;

vector<int> sz[maxn+maxn];
int pt[maxn+maxn];

int BIT[maxn+maxn];
int low(int i){
	return i&-i;
}

void mdf(int n,int d){
	for(int i=n;i<maxn+maxn;i+=low(i+1)){
		BIT[i]+=d;
	}
}
int query(int n){
	int ret=0;
	for(int i=n;i>=0;i-=low(i+1)){
		ret+=BIT[i];
	}
	return ret;
}
int query(int l,int r){
	return query(r-1)-query(l-1);
}

ll count_swaps(vector<int> a){
	ll ans=0;
	n=SZ(a)/2;
	REP(i,n+n){
		int cur=a[i];
		if(pt[-cur+maxn]==SZ(sz[-cur+maxn])){
			sz[cur+maxn].pb(i);
		}
		else{
			p.eb(sz[maxn-cur][pt[maxn-cur]],i);
			if(cur<0) ans++;
			pt[maxn-cur]++;
		}
	}
	sort(ALL(p));

	for(auto i:p){
		ans+=2*query(i.S,n+n+1)+query(i.F,i.S);
		mdf(i.S,1);
	}
	return ans;
}
// int main(){
// 	cout<<count_swaps(vector<int>{1,1,1,1,-1,-1,-1,-1})<<'\n';
// }

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4988 KB Output is correct
2 Correct 6 ms 4984 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4988 KB Output is correct
2 Correct 6 ms 4984 KB Output is correct
3 Correct 6 ms 4984 KB Output is correct
4 Correct 6 ms 5112 KB Output is correct
5 Correct 6 ms 4984 KB Output is correct
6 Correct 6 ms 5112 KB Output is correct
7 Correct 8 ms 4984 KB Output is correct
8 Correct 7 ms 5112 KB Output is correct
9 Correct 7 ms 5116 KB Output is correct
10 Correct 6 ms 4984 KB Output is correct
11 Correct 7 ms 4988 KB Output is correct
12 Correct 6 ms 5112 KB Output is correct
13 Correct 6 ms 4984 KB Output is correct
14 Correct 6 ms 5112 KB Output is correct
15 Correct 6 ms 5112 KB Output is correct
16 Correct 6 ms 5048 KB Output is correct
17 Correct 7 ms 5112 KB Output is correct
18 Correct 6 ms 4984 KB Output is correct
19 Correct 6 ms 5112 KB Output is correct
20 Correct 7 ms 5112 KB Output is correct
21 Correct 6 ms 5112 KB Output is correct
22 Correct 7 ms 4988 KB Output is correct
23 Correct 6 ms 4984 KB Output is correct
24 Correct 6 ms 4984 KB Output is correct
25 Correct 8 ms 5112 KB Output is correct
26 Correct 6 ms 4984 KB Output is correct
27 Correct 7 ms 5112 KB Output is correct
28 Correct 6 ms 4984 KB Output is correct
29 Correct 7 ms 4984 KB Output is correct
30 Correct 7 ms 4984 KB Output is correct
31 Correct 7 ms 4984 KB Output is correct
32 Correct 7 ms 5112 KB Output is correct
33 Correct 6 ms 4984 KB Output is correct
34 Correct 6 ms 4988 KB Output is correct
35 Correct 6 ms 4984 KB Output is correct
36 Correct 6 ms 4984 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4988 KB Output is correct
2 Correct 6 ms 4984 KB Output is correct
3 Correct 6 ms 4984 KB Output is correct
4 Correct 8 ms 5240 KB Output is correct
5 Correct 6 ms 4984 KB Output is correct
6 Correct 6 ms 4984 KB Output is correct
7 Correct 6 ms 4984 KB Output is correct
8 Correct 7 ms 5112 KB Output is correct
9 Correct 7 ms 5112 KB Output is correct
10 Correct 6 ms 4984 KB Output is correct
11 Correct 6 ms 4984 KB Output is correct
12 Correct 8 ms 4984 KB Output is correct
13 Correct 6 ms 4984 KB Output is correct
14 Correct 7 ms 5112 KB Output is correct
15 Correct 7 ms 5112 KB Output is correct
16 Correct 7 ms 4984 KB Output is correct
17 Correct 6 ms 5112 KB Output is correct
18 Correct 6 ms 5112 KB Output is correct
19 Correct 8 ms 5112 KB Output is correct
20 Correct 11 ms 5624 KB Output is correct
21 Correct 12 ms 5628 KB Output is correct
22 Correct 49 ms 10092 KB Output is correct
23 Correct 44 ms 10088 KB Output is correct
24 Correct 48 ms 10348 KB Output is correct
25 Correct 42 ms 9408 KB Output is correct
26 Correct 48 ms 10088 KB Output is correct
27 Correct 42 ms 9832 KB Output is correct
28 Correct 43 ms 9580 KB Output is correct
29 Correct 43 ms 9576 KB Output is correct
30 Correct 43 ms 9580 KB Output is correct
31 Correct 48 ms 10348 KB Output is correct
32 Correct 45 ms 9708 KB Output is correct
33 Correct 43 ms 9428 KB Output is correct
34 Correct 44 ms 9580 KB Output is correct
35 Correct 6 ms 4984 KB Output is correct
36 Correct 6 ms 4984 KB Output is correct
37 Correct 45 ms 9560 KB Output is correct
38 Correct 44 ms 9532 KB Output is correct
39 Correct 44 ms 9580 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4984 KB Output is correct
2 Correct 6 ms 4984 KB Output is correct
3 Correct 7 ms 4984 KB Output is correct
4 Correct 6 ms 4984 KB Output is correct
5 Correct 68 ms 12272 KB Output is correct
6 Correct 57 ms 10408 KB Output is correct
7 Correct 71 ms 12648 KB Output is correct
8 Correct 49 ms 9616 KB Output is correct
9 Correct 66 ms 12624 KB Output is correct
10 Correct 63 ms 11116 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4988 KB Output is correct
2 Correct 6 ms 4984 KB Output is correct
3 Correct 6 ms 4984 KB Output is correct
4 Correct 6 ms 5112 KB Output is correct
5 Correct 6 ms 4984 KB Output is correct
6 Correct 6 ms 5112 KB Output is correct
7 Correct 8 ms 4984 KB Output is correct
8 Correct 7 ms 5112 KB Output is correct
9 Correct 7 ms 5116 KB Output is correct
10 Correct 6 ms 4984 KB Output is correct
11 Correct 7 ms 4988 KB Output is correct
12 Correct 6 ms 5112 KB Output is correct
13 Correct 6 ms 4984 KB Output is correct
14 Correct 6 ms 5112 KB Output is correct
15 Correct 6 ms 5112 KB Output is correct
16 Correct 6 ms 5048 KB Output is correct
17 Correct 7 ms 5112 KB Output is correct
18 Correct 6 ms 4984 KB Output is correct
19 Correct 6 ms 5112 KB Output is correct
20 Correct 7 ms 5112 KB Output is correct
21 Correct 6 ms 5112 KB Output is correct
22 Correct 7 ms 4988 KB Output is correct
23 Correct 6 ms 4984 KB Output is correct
24 Correct 6 ms 4984 KB Output is correct
25 Correct 8 ms 5112 KB Output is correct
26 Correct 6 ms 4984 KB Output is correct
27 Correct 7 ms 5112 KB Output is correct
28 Correct 6 ms 4984 KB Output is correct
29 Correct 7 ms 4984 KB Output is correct
30 Correct 7 ms 4984 KB Output is correct
31 Correct 7 ms 4984 KB Output is correct
32 Correct 7 ms 5112 KB Output is correct
33 Correct 6 ms 4984 KB Output is correct
34 Correct 6 ms 4988 KB Output is correct
35 Correct 6 ms 4984 KB Output is correct
36 Correct 6 ms 4984 KB Output is correct
37 Correct 6 ms 5112 KB Output is correct
38 Correct 6 ms 4984 KB Output is correct
39 Correct 6 ms 4984 KB Output is correct
40 Correct 6 ms 5112 KB Output is correct
41 Correct 7 ms 5112 KB Output is correct
42 Correct 7 ms 5112 KB Output is correct
43 Correct 7 ms 5112 KB Output is correct
44 Correct 7 ms 5112 KB Output is correct
45 Correct 7 ms 5112 KB Output is correct
46 Correct 7 ms 5112 KB Output is correct
47 Correct 7 ms 5084 KB Output is correct
48 Correct 7 ms 5084 KB Output is correct
49 Correct 7 ms 5112 KB Output is correct
50 Correct 7 ms 5116 KB Output is correct
51 Correct 7 ms 5112 KB Output is correct
52 Correct 7 ms 5112 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4988 KB Output is correct
2 Correct 6 ms 4984 KB Output is correct
3 Correct 6 ms 4984 KB Output is correct
4 Correct 6 ms 5112 KB Output is correct
5 Correct 6 ms 4984 KB Output is correct
6 Correct 6 ms 5112 KB Output is correct
7 Correct 8 ms 4984 KB Output is correct
8 Correct 7 ms 5112 KB Output is correct
9 Correct 7 ms 5116 KB Output is correct
10 Correct 6 ms 4984 KB Output is correct
11 Correct 7 ms 4988 KB Output is correct
12 Correct 6 ms 5112 KB Output is correct
13 Correct 6 ms 4984 KB Output is correct
14 Correct 6 ms 5112 KB Output is correct
15 Correct 6 ms 5112 KB Output is correct
16 Correct 6 ms 5048 KB Output is correct
17 Correct 7 ms 5112 KB Output is correct
18 Correct 6 ms 4984 KB Output is correct
19 Correct 6 ms 5112 KB Output is correct
20 Correct 7 ms 5112 KB Output is correct
21 Correct 6 ms 5112 KB Output is correct
22 Correct 7 ms 4988 KB Output is correct
23 Correct 6 ms 4984 KB Output is correct
24 Correct 6 ms 4984 KB Output is correct
25 Correct 8 ms 5112 KB Output is correct
26 Correct 6 ms 4984 KB Output is correct
27 Correct 7 ms 5112 KB Output is correct
28 Correct 6 ms 4984 KB Output is correct
29 Correct 7 ms 4984 KB Output is correct
30 Correct 7 ms 4984 KB Output is correct
31 Correct 7 ms 4984 KB Output is correct
32 Correct 7 ms 5112 KB Output is correct
33 Correct 6 ms 4984 KB Output is correct
34 Correct 6 ms 4988 KB Output is correct
35 Correct 6 ms 4984 KB Output is correct
36 Correct 6 ms 4984 KB Output is correct
37 Correct 6 ms 4984 KB Output is correct
38 Correct 8 ms 5240 KB Output is correct
39 Correct 6 ms 4984 KB Output is correct
40 Correct 6 ms 4984 KB Output is correct
41 Correct 6 ms 4984 KB Output is correct
42 Correct 7 ms 5112 KB Output is correct
43 Correct 7 ms 5112 KB Output is correct
44 Correct 6 ms 4984 KB Output is correct
45 Correct 6 ms 4984 KB Output is correct
46 Correct 8 ms 4984 KB Output is correct
47 Correct 6 ms 4984 KB Output is correct
48 Correct 7 ms 5112 KB Output is correct
49 Correct 7 ms 5112 KB Output is correct
50 Correct 7 ms 4984 KB Output is correct
51 Correct 6 ms 5112 KB Output is correct
52 Correct 6 ms 5112 KB Output is correct
53 Correct 8 ms 5112 KB Output is correct
54 Correct 11 ms 5624 KB Output is correct
55 Correct 12 ms 5628 KB Output is correct
56 Correct 49 ms 10092 KB Output is correct
57 Correct 44 ms 10088 KB Output is correct
58 Correct 48 ms 10348 KB Output is correct
59 Correct 42 ms 9408 KB Output is correct
60 Correct 48 ms 10088 KB Output is correct
61 Correct 42 ms 9832 KB Output is correct
62 Correct 43 ms 9580 KB Output is correct
63 Correct 43 ms 9576 KB Output is correct
64 Correct 43 ms 9580 KB Output is correct
65 Correct 48 ms 10348 KB Output is correct
66 Correct 45 ms 9708 KB Output is correct
67 Correct 43 ms 9428 KB Output is correct
68 Correct 44 ms 9580 KB Output is correct
69 Correct 6 ms 4984 KB Output is correct
70 Correct 6 ms 4984 KB Output is correct
71 Correct 45 ms 9560 KB Output is correct
72 Correct 44 ms 9532 KB Output is correct
73 Correct 44 ms 9580 KB Output is correct
74 Correct 6 ms 4984 KB Output is correct
75 Correct 6 ms 4984 KB Output is correct
76 Correct 7 ms 4984 KB Output is correct
77 Correct 6 ms 4984 KB Output is correct
78 Correct 68 ms 12272 KB Output is correct
79 Correct 57 ms 10408 KB Output is correct
80 Correct 71 ms 12648 KB Output is correct
81 Correct 49 ms 9616 KB Output is correct
82 Correct 66 ms 12624 KB Output is correct
83 Correct 63 ms 11116 KB Output is correct
84 Correct 6 ms 5112 KB Output is correct
85 Correct 6 ms 4984 KB Output is correct
86 Correct 6 ms 4984 KB Output is correct
87 Correct 6 ms 5112 KB Output is correct
88 Correct 7 ms 5112 KB Output is correct
89 Correct 7 ms 5112 KB Output is correct
90 Correct 7 ms 5112 KB Output is correct
91 Correct 7 ms 5112 KB Output is correct
92 Correct 7 ms 5112 KB Output is correct
93 Correct 7 ms 5112 KB Output is correct
94 Correct 7 ms 5084 KB Output is correct
95 Correct 7 ms 5084 KB Output is correct
96 Correct 7 ms 5112 KB Output is correct
97 Correct 7 ms 5116 KB Output is correct
98 Correct 7 ms 5112 KB Output is correct
99 Correct 7 ms 5112 KB Output is correct
100 Correct 7 ms 5112 KB Output is correct
101 Correct 13 ms 5856 KB Output is correct
102 Correct 13 ms 5724 KB Output is correct
103 Correct 85 ms 13252 KB Output is correct
104 Correct 76 ms 13036 KB Output is correct
105 Correct 76 ms 12524 KB Output is correct
106 Correct 74 ms 12756 KB Output is correct
107 Correct 72 ms 10604 KB Output is correct
108 Correct 60 ms 10852 KB Output is correct
109 Correct 48 ms 9924 KB Output is correct
110 Correct 43 ms 9580 KB Output is correct
111 Correct 69 ms 12392 KB Output is correct
112 Correct 80 ms 12612 KB Output is correct
113 Correct 66 ms 10348 KB Output is correct
114 Correct 65 ms 12656 KB Output is correct
115 Correct 65 ms 12656 KB Output is correct