Submission #341252

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
341252	2020-12-29T10:12:50 Z	YJU	Arranging Shoes (IOI19_shoes)	C++14	100 / 100	281 ms	274168 KB

shoes

#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<ll,ll> pll;
const ll MOD=1e9+7;
const ll MOD2=998244353;
const ll N=2e5;
const ll K=350;
const ld pi=acos(-1);
#define SQ(i) ((i)*(i))
#define REP(i,n) for(ll i=0;i<n;i++)
#define REP1(i,n) for(ll i=1;i<=n;i++)
#define pb push_back
#define mp make_pair
#define X first
#define Y second
#define setp setprecision
#define lwb lower_bound
#define SZ(_a) (ll)_a.size()
 
ll bit[N+5];
queue<ll> m[2*N+5];
 
void ins(ll id,ll del){
	++id;
	for(;id<N+5;id+=(id&-id)){
		bit[id]+=del;
	}
}
 
ll q(ll id){
	++id;
	ll sum=0;
	for(;id;id-=(id&-id)){
		sum+=bit[id];
	}
	return sum;
}
 
long long count_swaps(vector<int> s){
	long long ans=0;
	ll n=N;
	REP(i,SZ(s)){
		if(SZ(m[-s[i]+n])){
			ans-=(q(i-1)-q(m[-s[i]+n].front()));
			ans+=i-m[-s[i]+n].front()-1+(s[i]<0?1:0);
			ins(m[-s[i]+n].front(),-1);
			m[-s[i]+n].pop();
		}else{
			ins(i,1);
			m[s[i]+n].push(i);
		}
	}
	return ans;
}

Subtask #1

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	201 ms	269676 KB	Output is correct
2	Correct	200 ms	269676 KB	Output is correct

Subtask #2

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	201 ms	269676 KB	Output is correct
2	Correct	200 ms	269676 KB	Output is correct
3	Correct	201 ms	269676 KB	Output is correct
4	Correct	201 ms	269676 KB	Output is correct
5	Correct	201 ms	269676 KB	Output is correct
6	Correct	200 ms	269676 KB	Output is correct
7	Correct	207 ms	269676 KB	Output is correct
8	Correct	202 ms	269804 KB	Output is correct
9	Correct	210 ms	269676 KB	Output is correct
10	Correct	202 ms	269676 KB	Output is correct
11	Correct	205 ms	269804 KB	Output is correct
12	Correct	203 ms	269676 KB	Output is correct
13	Correct	211 ms	269676 KB	Output is correct
14	Correct	203 ms	269740 KB	Output is correct
15	Correct	222 ms	269676 KB	Output is correct
16	Correct	204 ms	269676 KB	Output is correct
17	Correct	201 ms	269676 KB	Output is correct
18	Correct	203 ms	269676 KB	Output is correct
19	Correct	201 ms	269676 KB	Output is correct
20	Correct	204 ms	269676 KB	Output is correct
21	Correct	204 ms	269676 KB	Output is correct
22	Correct	201 ms	269676 KB	Output is correct
23	Correct	203 ms	269676 KB	Output is correct
24	Correct	204 ms	269676 KB	Output is correct
25	Correct	206 ms	269676 KB	Output is correct
26	Correct	204 ms	269676 KB	Output is correct
27	Correct	206 ms	269676 KB	Output is correct
28	Correct	200 ms	269804 KB	Output is correct
29	Correct	200 ms	269804 KB	Output is correct
30	Correct	201 ms	269676 KB	Output is correct
31	Correct	201 ms	269676 KB	Output is correct
32	Correct	201 ms	269676 KB	Output is correct
33	Correct	203 ms	269676 KB	Output is correct
34	Correct	201 ms	269676 KB	Output is correct
35	Correct	201 ms	269804 KB	Output is correct
36	Correct	202 ms	269676 KB	Output is correct

Subtask #3

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	201 ms	269676 KB	Output is correct
2	Correct	200 ms	269676 KB	Output is correct
3	Correct	203 ms	269676 KB	Output is correct
4	Correct	204 ms	269676 KB	Output is correct
5	Correct	200 ms	269676 KB	Output is correct
6	Correct	201 ms	269676 KB	Output is correct
7	Correct	200 ms	269676 KB	Output is correct
8	Correct	200 ms	269684 KB	Output is correct
9	Correct	204 ms	269676 KB	Output is correct
10	Correct	202 ms	269676 KB	Output is correct
11	Correct	205 ms	269676 KB	Output is correct
12	Correct	201 ms	269708 KB	Output is correct
13	Correct	202 ms	269676 KB	Output is correct
14	Correct	200 ms	269676 KB	Output is correct
15	Correct	202 ms	269676 KB	Output is correct
16	Correct	206 ms	269676 KB	Output is correct
17	Correct	206 ms	269676 KB	Output is correct
18	Correct	203 ms	269704 KB	Output is correct
19	Correct	204 ms	269676 KB	Output is correct
20	Correct	206 ms	269956 KB	Output is correct
21	Correct	209 ms	269932 KB	Output is correct
22	Correct	260 ms	272748 KB	Output is correct
23	Correct	235 ms	274028 KB	Output is correct
24	Correct	238 ms	274028 KB	Output is correct
25	Correct	238 ms	273900 KB	Output is correct
26	Correct	238 ms	274028 KB	Output is correct
27	Correct	233 ms	273772 KB	Output is correct
28	Correct	242 ms	274028 KB	Output is correct
29	Correct	243 ms	274028 KB	Output is correct
30	Correct	238 ms	274028 KB	Output is correct
31	Correct	233 ms	274028 KB	Output is correct
32	Correct	245 ms	274156 KB	Output is correct
33	Correct	239 ms	273900 KB	Output is correct
34	Correct	243 ms	274028 KB	Output is correct
35	Correct	205 ms	269676 KB	Output is correct
36	Correct	201 ms	269676 KB	Output is correct
37	Correct	244 ms	274168 KB	Output is correct
38	Correct	240 ms	274028 KB	Output is correct
39	Correct	242 ms	274028 KB	Output is correct

Subtask #4

15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	201 ms	269676 KB	Output is correct
2	Correct	204 ms	269664 KB	Output is correct
3	Correct	201 ms	269676 KB	Output is correct
4	Correct	203 ms	269676 KB	Output is correct
5	Correct	271 ms	271980 KB	Output is correct
6	Correct	253 ms	273172 KB	Output is correct
7	Correct	273 ms	273260 KB	Output is correct
8	Correct	247 ms	274028 KB	Output is correct
9	Correct	273 ms	273260 KB	Output is correct
10	Correct	270 ms	273260 KB	Output is correct

Subtask #5

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	201 ms	269676 KB	Output is correct
2	Correct	200 ms	269676 KB	Output is correct
3	Correct	201 ms	269676 KB	Output is correct
4	Correct	201 ms	269676 KB	Output is correct
5	Correct	201 ms	269676 KB	Output is correct
6	Correct	200 ms	269676 KB	Output is correct
7	Correct	207 ms	269676 KB	Output is correct
8	Correct	202 ms	269804 KB	Output is correct
9	Correct	210 ms	269676 KB	Output is correct
10	Correct	202 ms	269676 KB	Output is correct
11	Correct	205 ms	269804 KB	Output is correct
12	Correct	203 ms	269676 KB	Output is correct
13	Correct	211 ms	269676 KB	Output is correct
14	Correct	203 ms	269740 KB	Output is correct
15	Correct	222 ms	269676 KB	Output is correct
16	Correct	204 ms	269676 KB	Output is correct
17	Correct	201 ms	269676 KB	Output is correct
18	Correct	203 ms	269676 KB	Output is correct
19	Correct	201 ms	269676 KB	Output is correct
20	Correct	204 ms	269676 KB	Output is correct
21	Correct	204 ms	269676 KB	Output is correct
22	Correct	201 ms	269676 KB	Output is correct
23	Correct	203 ms	269676 KB	Output is correct
24	Correct	204 ms	269676 KB	Output is correct
25	Correct	206 ms	269676 KB	Output is correct
26	Correct	204 ms	269676 KB	Output is correct
27	Correct	206 ms	269676 KB	Output is correct
28	Correct	200 ms	269804 KB	Output is correct
29	Correct	200 ms	269804 KB	Output is correct
30	Correct	201 ms	269676 KB	Output is correct
31	Correct	201 ms	269676 KB	Output is correct
32	Correct	201 ms	269676 KB	Output is correct
33	Correct	203 ms	269676 KB	Output is correct
34	Correct	201 ms	269676 KB	Output is correct
35	Correct	201 ms	269804 KB	Output is correct
36	Correct	202 ms	269676 KB	Output is correct
37	Correct	202 ms	269676 KB	Output is correct
38	Correct	201 ms	269676 KB	Output is correct
39	Correct	201 ms	269676 KB	Output is correct
40	Correct	204 ms	269676 KB	Output is correct
41	Correct	203 ms	269696 KB	Output is correct
42	Correct	204 ms	269744 KB	Output is correct
43	Correct	203 ms	269804 KB	Output is correct
44	Correct	201 ms	269676 KB	Output is correct
45	Correct	201 ms	269676 KB	Output is correct
46	Correct	204 ms	269676 KB	Output is correct
47	Correct	202 ms	269676 KB	Output is correct
48	Correct	201 ms	269676 KB	Output is correct
49	Correct	201 ms	269712 KB	Output is correct
50	Correct	201 ms	269696 KB	Output is correct
51	Correct	200 ms	269628 KB	Output is correct
52	Correct	201 ms	269676 KB	Output is correct

Subtask #6

15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	201 ms	269676 KB	Output is correct
2	Correct	200 ms	269676 KB	Output is correct
3	Correct	201 ms	269676 KB	Output is correct
4	Correct	201 ms	269676 KB	Output is correct
5	Correct	201 ms	269676 KB	Output is correct
6	Correct	200 ms	269676 KB	Output is correct
7	Correct	207 ms	269676 KB	Output is correct
8	Correct	202 ms	269804 KB	Output is correct
9	Correct	210 ms	269676 KB	Output is correct
10	Correct	202 ms	269676 KB	Output is correct
11	Correct	205 ms	269804 KB	Output is correct
12	Correct	203 ms	269676 KB	Output is correct
13	Correct	211 ms	269676 KB	Output is correct
14	Correct	203 ms	269740 KB	Output is correct
15	Correct	222 ms	269676 KB	Output is correct
16	Correct	204 ms	269676 KB	Output is correct
17	Correct	201 ms	269676 KB	Output is correct
18	Correct	203 ms	269676 KB	Output is correct
19	Correct	201 ms	269676 KB	Output is correct
20	Correct	204 ms	269676 KB	Output is correct
21	Correct	204 ms	269676 KB	Output is correct
22	Correct	201 ms	269676 KB	Output is correct
23	Correct	203 ms	269676 KB	Output is correct
24	Correct	204 ms	269676 KB	Output is correct
25	Correct	206 ms	269676 KB	Output is correct
26	Correct	204 ms	269676 KB	Output is correct
27	Correct	206 ms	269676 KB	Output is correct
28	Correct	200 ms	269804 KB	Output is correct
29	Correct	200 ms	269804 KB	Output is correct
30	Correct	201 ms	269676 KB	Output is correct
31	Correct	201 ms	269676 KB	Output is correct
32	Correct	201 ms	269676 KB	Output is correct
33	Correct	203 ms	269676 KB	Output is correct
34	Correct	201 ms	269676 KB	Output is correct
35	Correct	201 ms	269804 KB	Output is correct
36	Correct	202 ms	269676 KB	Output is correct
37	Correct	203 ms	269676 KB	Output is correct
38	Correct	204 ms	269676 KB	Output is correct
39	Correct	200 ms	269676 KB	Output is correct
40	Correct	201 ms	269676 KB	Output is correct
41	Correct	200 ms	269676 KB	Output is correct
42	Correct	200 ms	269684 KB	Output is correct
43	Correct	204 ms	269676 KB	Output is correct
44	Correct	202 ms	269676 KB	Output is correct
45	Correct	205 ms	269676 KB	Output is correct
46	Correct	201 ms	269708 KB	Output is correct
47	Correct	202 ms	269676 KB	Output is correct
48	Correct	200 ms	269676 KB	Output is correct
49	Correct	202 ms	269676 KB	Output is correct
50	Correct	206 ms	269676 KB	Output is correct
51	Correct	206 ms	269676 KB	Output is correct
52	Correct	203 ms	269704 KB	Output is correct
53	Correct	204 ms	269676 KB	Output is correct
54	Correct	206 ms	269956 KB	Output is correct
55	Correct	209 ms	269932 KB	Output is correct
56	Correct	260 ms	272748 KB	Output is correct
57	Correct	235 ms	274028 KB	Output is correct
58	Correct	238 ms	274028 KB	Output is correct
59	Correct	238 ms	273900 KB	Output is correct
60	Correct	238 ms	274028 KB	Output is correct
61	Correct	233 ms	273772 KB	Output is correct
62	Correct	242 ms	274028 KB	Output is correct
63	Correct	243 ms	274028 KB	Output is correct
64	Correct	238 ms	274028 KB	Output is correct
65	Correct	233 ms	274028 KB	Output is correct
66	Correct	245 ms	274156 KB	Output is correct
67	Correct	239 ms	273900 KB	Output is correct
68	Correct	243 ms	274028 KB	Output is correct
69	Correct	205 ms	269676 KB	Output is correct
70	Correct	201 ms	269676 KB	Output is correct
71	Correct	244 ms	274168 KB	Output is correct
72	Correct	240 ms	274028 KB	Output is correct
73	Correct	242 ms	274028 KB	Output is correct
74	Correct	201 ms	269676 KB	Output is correct
75	Correct	204 ms	269664 KB	Output is correct
76	Correct	201 ms	269676 KB	Output is correct
77	Correct	203 ms	269676 KB	Output is correct
78	Correct	271 ms	271980 KB	Output is correct
79	Correct	253 ms	273172 KB	Output is correct
80	Correct	273 ms	273260 KB	Output is correct
81	Correct	247 ms	274028 KB	Output is correct
82	Correct	273 ms	273260 KB	Output is correct
83	Correct	270 ms	273260 KB	Output is correct
84	Correct	202 ms	269676 KB	Output is correct
85	Correct	201 ms	269676 KB	Output is correct
86	Correct	201 ms	269676 KB	Output is correct
87	Correct	204 ms	269676 KB	Output is correct
88	Correct	203 ms	269696 KB	Output is correct
89	Correct	204 ms	269744 KB	Output is correct
90	Correct	203 ms	269804 KB	Output is correct
91	Correct	201 ms	269676 KB	Output is correct
92	Correct	201 ms	269676 KB	Output is correct
93	Correct	204 ms	269676 KB	Output is correct
94	Correct	202 ms	269676 KB	Output is correct
95	Correct	201 ms	269676 KB	Output is correct
96	Correct	201 ms	269712 KB	Output is correct
97	Correct	201 ms	269696 KB	Output is correct
98	Correct	200 ms	269628 KB	Output is correct
99	Correct	201 ms	269676 KB	Output is correct
100	Correct	201 ms	269676 KB	Output is correct
101	Correct	207 ms	270060 KB	Output is correct
102	Correct	213 ms	270060 KB	Output is correct
103	Correct	279 ms	274156 KB	Output is correct
104	Correct	264 ms	274028 KB	Output is correct
105	Correct	260 ms	274156 KB	Output is correct
106	Correct	268 ms	273260 KB	Output is correct
107	Correct	252 ms	274028 KB	Output is correct
108	Correct	255 ms	274028 KB	Output is correct
109	Correct	240 ms	274156 KB	Output is correct
110	Correct	241 ms	274028 KB	Output is correct
111	Correct	274 ms	273260 KB	Output is correct
112	Correct	281 ms	274064 KB	Output is correct
113	Correct	261 ms	273260 KB	Output is correct
114	Correct	268 ms	273388 KB	Output is correct
115	Correct	269 ms	273260 KB	Output is correct