답안 #144057

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
144057	2019-08-15T22:30:52 Z	Lyestria	Arranging Shoes (IOI19_shoes)	C++14	100 / 100	438 ms	273080 KB

shoes

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int mn=2e5+10;
queue<int>pos[mn],neg[mn];
int par[mn];
int bit[mn];
void up(int a,int b){for(;a<mn;a+=a&-a)bit[a]+=b;}
int qu(int a){int b=0;for(;a;a-=a&-a)b+=bit[a];return b;}
bool done[mn];
long long count_swaps(std::vector<int> s) {
	int n=s.size();
	ll ans=0;
	int i;
	for(i=0;i<n;i++){
        if(s[i]>0){
            pos[s[i]].push(i);
        }
        else{
            neg[-s[i]].push(i);
        }
	}
	for(i=1;i<mn;i++)up(i,1);
	int ac=1;
	for(i=0;i<n;i++){
        if(done[i])continue;
        int p;
        if(s[i]>0){
            ans++;
            p=neg[s[i]].front();
        }
        else{
            p=pos[-s[i]].front();
        }
        ans+=qu(p)-ac;
        done[p]=1;
        up(i+1,1);
        up(p,-1);
        neg[abs(s[i])].pop();
        pos[abs(s[i])].pop();
        ac+=2;
	}
	return ans;
}

Subtask #1

10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	306 ms	270456 KB	Output is correct
2	Correct	271 ms	270484 KB	Output is correct

Subtask #2

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	306 ms	270456 KB	Output is correct
2	Correct	271 ms	270484 KB	Output is correct
3	Correct	272 ms	270456 KB	Output is correct
4	Correct	275 ms	270452 KB	Output is correct
5	Correct	271 ms	270428 KB	Output is correct
6	Correct	274 ms	270456 KB	Output is correct
7	Correct	276 ms	270428 KB	Output is correct
8	Correct	275 ms	270352 KB	Output is correct
9	Correct	273 ms	270584 KB	Output is correct
10	Correct	275 ms	270456 KB	Output is correct
11	Correct	329 ms	270456 KB	Output is correct
12	Correct	316 ms	270480 KB	Output is correct
13	Correct	269 ms	270456 KB	Output is correct
14	Correct	271 ms	270396 KB	Output is correct
15	Correct	276 ms	270504 KB	Output is correct
16	Correct	318 ms	270408 KB	Output is correct
17	Correct	287 ms	270328 KB	Output is correct
18	Correct	274 ms	270328 KB	Output is correct
19	Correct	282 ms	270328 KB	Output is correct
20	Correct	275 ms	270460 KB	Output is correct
21	Correct	275 ms	270328 KB	Output is correct
22	Correct	271 ms	270428 KB	Output is correct
23	Correct	276 ms	270328 KB	Output is correct
24	Correct	275 ms	270428 KB	Output is correct
25	Correct	274 ms	270412 KB	Output is correct
26	Correct	274 ms	270456 KB	Output is correct
27	Correct	274 ms	270328 KB	Output is correct
28	Correct	273 ms	270332 KB	Output is correct
29	Correct	272 ms	270328 KB	Output is correct
30	Correct	283 ms	270456 KB	Output is correct
31	Correct	276 ms	270328 KB	Output is correct
32	Correct	273 ms	270352 KB	Output is correct
33	Correct	275 ms	270384 KB	Output is correct
34	Correct	280 ms	270424 KB	Output is correct
35	Correct	274 ms	270408 KB	Output is correct
36	Correct	274 ms	270376 KB	Output is correct

Subtask #3

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	306 ms	270456 KB	Output is correct
2	Correct	271 ms	270484 KB	Output is correct
3	Correct	273 ms	270416 KB	Output is correct
4	Correct	274 ms	270328 KB	Output is correct
5	Correct	277 ms	270388 KB	Output is correct
6	Correct	273 ms	270328 KB	Output is correct
7	Correct	275 ms	270436 KB	Output is correct
8	Correct	273 ms	270360 KB	Output is correct
9	Correct	272 ms	270328 KB	Output is correct
10	Correct	274 ms	270308 KB	Output is correct
11	Correct	278 ms	270328 KB	Output is correct
12	Correct	275 ms	270416 KB	Output is correct
13	Correct	276 ms	270360 KB	Output is correct
14	Correct	309 ms	270400 KB	Output is correct
15	Correct	300 ms	270340 KB	Output is correct
16	Correct	274 ms	270400 KB	Output is correct
17	Correct	276 ms	270448 KB	Output is correct
18	Correct	305 ms	270584 KB	Output is correct
19	Correct	301 ms	270448 KB	Output is correct
20	Correct	329 ms	270708 KB	Output is correct
21	Correct	305 ms	270716 KB	Output is correct
22	Correct	333 ms	273016 KB	Output is correct
23	Correct	327 ms	273016 KB	Output is correct
24	Correct	335 ms	272940 KB	Output is correct
25	Correct	334 ms	272912 KB	Output is correct
26	Correct	332 ms	273044 KB	Output is correct
27	Correct	330 ms	273016 KB	Output is correct
28	Correct	329 ms	272888 KB	Output is correct
29	Correct	330 ms	272888 KB	Output is correct
30	Correct	325 ms	272880 KB	Output is correct
31	Correct	385 ms	273016 KB	Output is correct
32	Correct	346 ms	272884 KB	Output is correct
33	Correct	330 ms	272980 KB	Output is correct
34	Correct	390 ms	272888 KB	Output is correct
35	Correct	304 ms	270344 KB	Output is correct
36	Correct	331 ms	270388 KB	Output is correct
37	Correct	346 ms	272912 KB	Output is correct
38	Correct	333 ms	272888 KB	Output is correct
39	Correct	352 ms	273016 KB	Output is correct

Subtask #4

15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	276 ms	270464 KB	Output is correct
2	Correct	283 ms	270424 KB	Output is correct
3	Correct	288 ms	270372 KB	Output is correct
4	Correct	322 ms	270396 KB	Output is correct
5	Correct	410 ms	272076 KB	Output is correct
6	Correct	342 ms	272056 KB	Output is correct
7	Correct	370 ms	272000 KB	Output is correct
8	Correct	334 ms	273080 KB	Output is correct
9	Correct	438 ms	271992 KB	Output is correct
10	Correct	411 ms	271992 KB	Output is correct

Subtask #5

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	306 ms	270456 KB	Output is correct
2	Correct	271 ms	270484 KB	Output is correct
3	Correct	272 ms	270456 KB	Output is correct
4	Correct	275 ms	270452 KB	Output is correct
5	Correct	271 ms	270428 KB	Output is correct
6	Correct	274 ms	270456 KB	Output is correct
7	Correct	276 ms	270428 KB	Output is correct
8	Correct	275 ms	270352 KB	Output is correct
9	Correct	273 ms	270584 KB	Output is correct
10	Correct	275 ms	270456 KB	Output is correct
11	Correct	329 ms	270456 KB	Output is correct
12	Correct	316 ms	270480 KB	Output is correct
13	Correct	269 ms	270456 KB	Output is correct
14	Correct	271 ms	270396 KB	Output is correct
15	Correct	276 ms	270504 KB	Output is correct
16	Correct	318 ms	270408 KB	Output is correct
17	Correct	287 ms	270328 KB	Output is correct
18	Correct	274 ms	270328 KB	Output is correct
19	Correct	282 ms	270328 KB	Output is correct
20	Correct	275 ms	270460 KB	Output is correct
21	Correct	275 ms	270328 KB	Output is correct
22	Correct	271 ms	270428 KB	Output is correct
23	Correct	276 ms	270328 KB	Output is correct
24	Correct	275 ms	270428 KB	Output is correct
25	Correct	274 ms	270412 KB	Output is correct
26	Correct	274 ms	270456 KB	Output is correct
27	Correct	274 ms	270328 KB	Output is correct
28	Correct	273 ms	270332 KB	Output is correct
29	Correct	272 ms	270328 KB	Output is correct
30	Correct	283 ms	270456 KB	Output is correct
31	Correct	276 ms	270328 KB	Output is correct
32	Correct	273 ms	270352 KB	Output is correct
33	Correct	275 ms	270384 KB	Output is correct
34	Correct	280 ms	270424 KB	Output is correct
35	Correct	274 ms	270408 KB	Output is correct
36	Correct	274 ms	270376 KB	Output is correct
37	Correct	271 ms	270428 KB	Output is correct
38	Correct	272 ms	270392 KB	Output is correct
39	Correct	271 ms	270456 KB	Output is correct
40	Correct	274 ms	270324 KB	Output is correct
41	Correct	274 ms	270444 KB	Output is correct
42	Correct	275 ms	270544 KB	Output is correct
43	Correct	278 ms	270328 KB	Output is correct
44	Correct	275 ms	270456 KB	Output is correct
45	Correct	277 ms	270424 KB	Output is correct
46	Correct	287 ms	270456 KB	Output is correct
47	Correct	274 ms	270456 KB	Output is correct
48	Correct	276 ms	270372 KB	Output is correct
49	Correct	273 ms	270456 KB	Output is correct
50	Correct	301 ms	270456 KB	Output is correct
51	Correct	300 ms	270456 KB	Output is correct
52	Correct	276 ms	270328 KB	Output is correct

Subtask #6

15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	306 ms	270456 KB	Output is correct
2	Correct	271 ms	270484 KB	Output is correct
3	Correct	272 ms	270456 KB	Output is correct
4	Correct	275 ms	270452 KB	Output is correct
5	Correct	271 ms	270428 KB	Output is correct
6	Correct	274 ms	270456 KB	Output is correct
7	Correct	276 ms	270428 KB	Output is correct
8	Correct	275 ms	270352 KB	Output is correct
9	Correct	273 ms	270584 KB	Output is correct
10	Correct	275 ms	270456 KB	Output is correct
11	Correct	329 ms	270456 KB	Output is correct
12	Correct	316 ms	270480 KB	Output is correct
13	Correct	269 ms	270456 KB	Output is correct
14	Correct	271 ms	270396 KB	Output is correct
15	Correct	276 ms	270504 KB	Output is correct
16	Correct	318 ms	270408 KB	Output is correct
17	Correct	287 ms	270328 KB	Output is correct
18	Correct	274 ms	270328 KB	Output is correct
19	Correct	282 ms	270328 KB	Output is correct
20	Correct	275 ms	270460 KB	Output is correct
21	Correct	275 ms	270328 KB	Output is correct
22	Correct	271 ms	270428 KB	Output is correct
23	Correct	276 ms	270328 KB	Output is correct
24	Correct	275 ms	270428 KB	Output is correct
25	Correct	274 ms	270412 KB	Output is correct
26	Correct	274 ms	270456 KB	Output is correct
27	Correct	274 ms	270328 KB	Output is correct
28	Correct	273 ms	270332 KB	Output is correct
29	Correct	272 ms	270328 KB	Output is correct
30	Correct	283 ms	270456 KB	Output is correct
31	Correct	276 ms	270328 KB	Output is correct
32	Correct	273 ms	270352 KB	Output is correct
33	Correct	275 ms	270384 KB	Output is correct
34	Correct	280 ms	270424 KB	Output is correct
35	Correct	274 ms	270408 KB	Output is correct
36	Correct	274 ms	270376 KB	Output is correct
37	Correct	273 ms	270416 KB	Output is correct
38	Correct	274 ms	270328 KB	Output is correct
39	Correct	277 ms	270388 KB	Output is correct
40	Correct	273 ms	270328 KB	Output is correct
41	Correct	275 ms	270436 KB	Output is correct
42	Correct	273 ms	270360 KB	Output is correct
43	Correct	272 ms	270328 KB	Output is correct
44	Correct	274 ms	270308 KB	Output is correct
45	Correct	278 ms	270328 KB	Output is correct
46	Correct	275 ms	270416 KB	Output is correct
47	Correct	276 ms	270360 KB	Output is correct
48	Correct	309 ms	270400 KB	Output is correct
49	Correct	300 ms	270340 KB	Output is correct
50	Correct	274 ms	270400 KB	Output is correct
51	Correct	276 ms	270448 KB	Output is correct
52	Correct	305 ms	270584 KB	Output is correct
53	Correct	301 ms	270448 KB	Output is correct
54	Correct	329 ms	270708 KB	Output is correct
55	Correct	305 ms	270716 KB	Output is correct
56	Correct	333 ms	273016 KB	Output is correct
57	Correct	327 ms	273016 KB	Output is correct
58	Correct	335 ms	272940 KB	Output is correct
59	Correct	334 ms	272912 KB	Output is correct
60	Correct	332 ms	273044 KB	Output is correct
61	Correct	330 ms	273016 KB	Output is correct
62	Correct	329 ms	272888 KB	Output is correct
63	Correct	330 ms	272888 KB	Output is correct
64	Correct	325 ms	272880 KB	Output is correct
65	Correct	385 ms	273016 KB	Output is correct
66	Correct	346 ms	272884 KB	Output is correct
67	Correct	330 ms	272980 KB	Output is correct
68	Correct	390 ms	272888 KB	Output is correct
69	Correct	304 ms	270344 KB	Output is correct
70	Correct	331 ms	270388 KB	Output is correct
71	Correct	346 ms	272912 KB	Output is correct
72	Correct	333 ms	272888 KB	Output is correct
73	Correct	352 ms	273016 KB	Output is correct
74	Correct	276 ms	270464 KB	Output is correct
75	Correct	283 ms	270424 KB	Output is correct
76	Correct	288 ms	270372 KB	Output is correct
77	Correct	322 ms	270396 KB	Output is correct
78	Correct	410 ms	272076 KB	Output is correct
79	Correct	342 ms	272056 KB	Output is correct
80	Correct	370 ms	272000 KB	Output is correct
81	Correct	334 ms	273080 KB	Output is correct
82	Correct	438 ms	271992 KB	Output is correct
83	Correct	411 ms	271992 KB	Output is correct
84	Correct	271 ms	270428 KB	Output is correct
85	Correct	272 ms	270392 KB	Output is correct
86	Correct	271 ms	270456 KB	Output is correct
87	Correct	274 ms	270324 KB	Output is correct
88	Correct	274 ms	270444 KB	Output is correct
89	Correct	275 ms	270544 KB	Output is correct
90	Correct	278 ms	270328 KB	Output is correct
91	Correct	275 ms	270456 KB	Output is correct
92	Correct	277 ms	270424 KB	Output is correct
93	Correct	287 ms	270456 KB	Output is correct
94	Correct	274 ms	270456 KB	Output is correct
95	Correct	276 ms	270372 KB	Output is correct
96	Correct	273 ms	270456 KB	Output is correct
97	Correct	301 ms	270456 KB	Output is correct
98	Correct	300 ms	270456 KB	Output is correct
99	Correct	276 ms	270328 KB	Output is correct
100	Correct	274 ms	270476 KB	Output is correct
101	Correct	278 ms	270520 KB	Output is correct
102	Correct	280 ms	270596 KB	Output is correct
103	Correct	376 ms	272248 KB	Output is correct
104	Correct	366 ms	272120 KB	Output is correct
105	Correct	362 ms	272248 KB	Output is correct
106	Correct	359 ms	271992 KB	Output is correct
107	Correct	334 ms	272248 KB	Output is correct
108	Correct	339 ms	272220 KB	Output is correct
109	Correct	329 ms	272888 KB	Output is correct
110	Correct	360 ms	273016 KB	Output is correct
111	Correct	374 ms	272120 KB	Output is correct
112	Correct	375 ms	272248 KB	Output is correct
113	Correct	371 ms	272120 KB	Output is correct
114	Correct	364 ms	272120 KB	Output is correct
115	Correct	361 ms	271992 KB	Output is correct