답안 #20929 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
20929	2017-03-22T00:30:14 Z	gs14004	Rope (JOI17_rope)	C++11	80 / 100	559 ms	70680 KB

rope

#include <bits/stdc++.h>
typedef long long lint;
typedef long double llf;
using namespace std;
typedef pair<int, int> pi;

int n, m, a[1000005];
int ans[1000005], occ[1000005], sum;
vector<int> pnt[1000005];

void get_table(int s, int e){
	sum = 0;
	memset(occ, 0, sizeof(occ));
	for(int i=1; i<=n; i++) pnt[i].clear();
	for(int i=s+1; i<=e; i+=2){
		if(a[i-1] == a[i]){
			sum += 2;
			occ[a[i]] += 2;
			pnt[a[i]].push_back(a[i]);
			pnt[a[i]].push_back(a[i]);
		}
		else{
			int x = a[i-1], y = a[i];
			sum += 2;
			occ[x]++;
			occ[y]++;
			pnt[x].push_back(x);
			pnt[x].push_back(y);
			pnt[y].push_back(x);
			pnt[y].push_back(y);
		}
	}
}

int chk[1000005];

void sweep(){
	vector<pi> v;
	for(int i=1; i<=n; i++) v.push_back(pi(occ[i], i));
	sort(v.begin(), v.end());
	reverse(v.begin(), v.end());
	for(int i=1; i<=m; i++){
		int cur = -1e9;
		for(auto &j : pnt[i]) chk[j]++;
		for(auto &j : v){
			cur = max(cur, j.first - chk[j.second]);
			if(!chk[j.second]) break;
		}
		for(auto &j : pnt[i]) chk[j]--;
		ans[i] = min(ans[i], sum - occ[i] - cur);
	}
}

int main(){
	scanf("%d %d",&n,&m);
	for(int i=1; i<=n; i++){
		scanf("%d",&a[i]);
	}
	if(m > 5000) return 0;
	memset(ans, 0x3f, sizeof(ans));
	if(n % 2 == 0){
		get_table(1, n);
		sweep();
		get_table(2, n-1);
		sum += 2;
		occ[a[1]]++;
		occ[a[n]]++;
		pnt[a[1]].push_back(a[1]);
		pnt[a[n]].push_back(a[n]);
		sweep();
	}
	else{
		get_table(1, n-1);
		sum++;
		occ[a[n]]++;
		pnt[a[n]].push_back(a[n]);
		sweep();
		get_table(2, n);
		sum++;
		occ[a[1]]++;
		pnt[a[1]].push_back(a[1]);
		sweep();
	}
	for(int i=1; i<=m; i++) printf("%d\n", ans[i]);
}

Compilation message

rope.cpp: In function 'int main()':
rope.cpp:55:22: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d",&n,&m);
                      ^
rope.cpp:57:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&a[i]);
                    ^

Subtask #1
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	41084 KB	Output is correct
2	Correct	9 ms	41084 KB	Output is correct
3	Correct	3 ms	41084 KB	Output is correct
4	Correct	6 ms	41084 KB	Output is correct
5	Correct	6 ms	41084 KB	Output is correct
6	Correct	3 ms	41084 KB	Output is correct
7	Correct	0 ms	41084 KB	Output is correct
8	Correct	3 ms	41084 KB	Output is correct
9	Correct	6 ms	41084 KB	Output is correct
10	Correct	9 ms	41084 KB	Output is correct
11	Correct	3 ms	41084 KB	Output is correct
12	Correct	3 ms	41084 KB	Output is correct
13	Correct	9 ms	41084 KB	Output is correct
14	Correct	6 ms	41084 KB	Output is correct
15	Correct	3 ms	41084 KB	Output is correct
16	Correct	6 ms	41084 KB	Output is correct
17	Correct	6 ms	41084 KB	Output is correct
18	Correct	3 ms	41084 KB	Output is correct
19	Correct	9 ms	41084 KB	Output is correct
20	Correct	3 ms	41084 KB	Output is correct
21	Correct	3 ms	41084 KB	Output is correct
22	Correct	6 ms	41084 KB	Output is correct
23	Correct	6 ms	41084 KB	Output is correct
24	Correct	9 ms	41084 KB	Output is correct
25	Correct	6 ms	41084 KB	Output is correct
26	Correct	6 ms	41084 KB	Output is correct

Subtask #2
30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	41084 KB	Output is correct
2	Correct	9 ms	41084 KB	Output is correct
3	Correct	3 ms	41084 KB	Output is correct
4	Correct	6 ms	41084 KB	Output is correct
5	Correct	6 ms	41084 KB	Output is correct
6	Correct	3 ms	41084 KB	Output is correct
7	Correct	0 ms	41084 KB	Output is correct
8	Correct	3 ms	41084 KB	Output is correct
9	Correct	6 ms	41084 KB	Output is correct
10	Correct	9 ms	41084 KB	Output is correct
11	Correct	3 ms	41084 KB	Output is correct
12	Correct	3 ms	41084 KB	Output is correct
13	Correct	9 ms	41084 KB	Output is correct
14	Correct	6 ms	41084 KB	Output is correct
15	Correct	3 ms	41084 KB	Output is correct
16	Correct	6 ms	41084 KB	Output is correct
17	Correct	6 ms	41084 KB	Output is correct
18	Correct	3 ms	41084 KB	Output is correct
19	Correct	9 ms	41084 KB	Output is correct
20	Correct	3 ms	41084 KB	Output is correct
21	Correct	3 ms	41084 KB	Output is correct
22	Correct	6 ms	41084 KB	Output is correct
23	Correct	6 ms	41084 KB	Output is correct
24	Correct	9 ms	41084 KB	Output is correct
25	Correct	6 ms	41084 KB	Output is correct
26	Correct	6 ms	41084 KB	Output is correct
27	Correct	49 ms	44604 KB	Output is correct
28	Correct	59 ms	44248 KB	Output is correct
29	Correct	53 ms	44416 KB	Output is correct
30	Correct	53 ms	44508 KB	Output is correct
31	Correct	56 ms	44536 KB	Output is correct
32	Correct	59 ms	44244 KB	Output is correct
33	Correct	43 ms	44400 KB	Output is correct
34	Correct	46 ms	44508 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	41084 KB	Output is correct
2	Correct	9 ms	41084 KB	Output is correct
3	Correct	3 ms	41084 KB	Output is correct
4	Correct	6 ms	41084 KB	Output is correct
5	Correct	6 ms	41084 KB	Output is correct
6	Correct	3 ms	41084 KB	Output is correct
7	Correct	0 ms	41084 KB	Output is correct
8	Correct	3 ms	41084 KB	Output is correct
9	Correct	6 ms	41084 KB	Output is correct
10	Correct	9 ms	41084 KB	Output is correct
11	Correct	3 ms	41084 KB	Output is correct
12	Correct	3 ms	41084 KB	Output is correct
13	Correct	9 ms	41084 KB	Output is correct
14	Correct	6 ms	41084 KB	Output is correct
15	Correct	3 ms	41084 KB	Output is correct
16	Correct	6 ms	41084 KB	Output is correct
17	Correct	6 ms	41084 KB	Output is correct
18	Correct	3 ms	41084 KB	Output is correct
19	Correct	9 ms	41084 KB	Output is correct
20	Correct	3 ms	41084 KB	Output is correct
21	Correct	3 ms	41084 KB	Output is correct
22	Correct	6 ms	41084 KB	Output is correct
23	Correct	6 ms	41084 KB	Output is correct
24	Correct	9 ms	41084 KB	Output is correct
25	Correct	6 ms	41084 KB	Output is correct
26	Correct	6 ms	41084 KB	Output is correct
27	Correct	49 ms	44604 KB	Output is correct
28	Correct	59 ms	44248 KB	Output is correct
29	Correct	53 ms	44416 KB	Output is correct
30	Correct	53 ms	44508 KB	Output is correct
31	Correct	56 ms	44536 KB	Output is correct
32	Correct	59 ms	44244 KB	Output is correct
33	Correct	43 ms	44400 KB	Output is correct
34	Correct	46 ms	44508 KB	Output is correct
35	Correct	46 ms	44300 KB	Output is correct
36	Correct	49 ms	44320 KB	Output is correct
37	Correct	56 ms	44252 KB	Output is correct
38	Correct	63 ms	44296 KB	Output is correct
39	Correct	49 ms	44300 KB	Output is correct
40	Correct	49 ms	44472 KB	Output is correct
41	Correct	43 ms	44480 KB	Output is correct
42	Correct	56 ms	44428 KB	Output is correct
43	Correct	53 ms	44492 KB	Output is correct
44	Correct	49 ms	44456 KB	Output is correct
45	Correct	43 ms	44468 KB	Output is correct
46	Correct	53 ms	44420 KB	Output is correct
47	Correct	59 ms	44480 KB	Output is correct

Subtask #4
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	41084 KB	Output is correct
2	Correct	9 ms	41084 KB	Output is correct
3	Correct	3 ms	41084 KB	Output is correct
4	Correct	6 ms	41084 KB	Output is correct
5	Correct	6 ms	41084 KB	Output is correct
6	Correct	3 ms	41084 KB	Output is correct
7	Correct	0 ms	41084 KB	Output is correct
8	Correct	3 ms	41084 KB	Output is correct
9	Correct	6 ms	41084 KB	Output is correct
10	Correct	9 ms	41084 KB	Output is correct
11	Correct	3 ms	41084 KB	Output is correct
12	Correct	3 ms	41084 KB	Output is correct
13	Correct	9 ms	41084 KB	Output is correct
14	Correct	6 ms	41084 KB	Output is correct
15	Correct	3 ms	41084 KB	Output is correct
16	Correct	6 ms	41084 KB	Output is correct
17	Correct	6 ms	41084 KB	Output is correct
18	Correct	3 ms	41084 KB	Output is correct
19	Correct	9 ms	41084 KB	Output is correct
20	Correct	3 ms	41084 KB	Output is correct
21	Correct	3 ms	41084 KB	Output is correct
22	Correct	6 ms	41084 KB	Output is correct
23	Correct	6 ms	41084 KB	Output is correct
24	Correct	9 ms	41084 KB	Output is correct
25	Correct	6 ms	41084 KB	Output is correct
26	Correct	6 ms	41084 KB	Output is correct
27	Correct	49 ms	44604 KB	Output is correct
28	Correct	59 ms	44248 KB	Output is correct
29	Correct	53 ms	44416 KB	Output is correct
30	Correct	53 ms	44508 KB	Output is correct
31	Correct	56 ms	44536 KB	Output is correct
32	Correct	59 ms	44244 KB	Output is correct
33	Correct	43 ms	44400 KB	Output is correct
34	Correct	46 ms	44508 KB	Output is correct
35	Correct	46 ms	44300 KB	Output is correct
36	Correct	49 ms	44320 KB	Output is correct
37	Correct	56 ms	44252 KB	Output is correct
38	Correct	63 ms	44296 KB	Output is correct
39	Correct	49 ms	44300 KB	Output is correct
40	Correct	49 ms	44472 KB	Output is correct
41	Correct	43 ms	44480 KB	Output is correct
42	Correct	56 ms	44428 KB	Output is correct
43	Correct	53 ms	44492 KB	Output is correct
44	Correct	49 ms	44456 KB	Output is correct
45	Correct	43 ms	44468 KB	Output is correct
46	Correct	53 ms	44420 KB	Output is correct
47	Correct	59 ms	44480 KB	Output is correct
48	Correct	549 ms	70680 KB	Output is correct
49	Correct	559 ms	70652 KB	Output is correct
50	Correct	543 ms	70648 KB	Output is correct
51	Correct	559 ms	70628 KB	Output is correct
52	Correct	516 ms	68852 KB	Output is correct
53	Correct	536 ms	69108 KB	Output is correct
54	Correct	499 ms	67088 KB	Output is correct
55	Correct	506 ms	66760 KB	Output is correct
56	Correct	516 ms	66152 KB	Output is correct

Subtask #5
0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	41084 KB	Output is correct
2	Correct	9 ms	41084 KB	Output is correct
3	Correct	3 ms	41084 KB	Output is correct
4	Correct	6 ms	41084 KB	Output is correct
5	Correct	6 ms	41084 KB	Output is correct
6	Correct	3 ms	41084 KB	Output is correct
7	Correct	0 ms	41084 KB	Output is correct
8	Correct	3 ms	41084 KB	Output is correct
9	Correct	6 ms	41084 KB	Output is correct
10	Correct	9 ms	41084 KB	Output is correct
11	Correct	3 ms	41084 KB	Output is correct
12	Correct	3 ms	41084 KB	Output is correct
13	Correct	9 ms	41084 KB	Output is correct
14	Correct	6 ms	41084 KB	Output is correct
15	Correct	3 ms	41084 KB	Output is correct
16	Correct	6 ms	41084 KB	Output is correct
17	Correct	6 ms	41084 KB	Output is correct
18	Correct	3 ms	41084 KB	Output is correct
19	Correct	9 ms	41084 KB	Output is correct
20	Correct	3 ms	41084 KB	Output is correct
21	Correct	3 ms	41084 KB	Output is correct
22	Correct	6 ms	41084 KB	Output is correct
23	Correct	6 ms	41084 KB	Output is correct
24	Correct	9 ms	41084 KB	Output is correct
25	Correct	6 ms	41084 KB	Output is correct
26	Correct	6 ms	41084 KB	Output is correct
27	Correct	49 ms	44604 KB	Output is correct
28	Correct	59 ms	44248 KB	Output is correct
29	Correct	53 ms	44416 KB	Output is correct
30	Correct	53 ms	44508 KB	Output is correct
31	Correct	56 ms	44536 KB	Output is correct
32	Correct	59 ms	44244 KB	Output is correct
33	Correct	43 ms	44400 KB	Output is correct
34	Correct	46 ms	44508 KB	Output is correct
35	Correct	46 ms	44300 KB	Output is correct
36	Correct	49 ms	44320 KB	Output is correct
37	Correct	56 ms	44252 KB	Output is correct
38	Correct	63 ms	44296 KB	Output is correct
39	Correct	49 ms	44300 KB	Output is correct
40	Correct	49 ms	44472 KB	Output is correct
41	Correct	43 ms	44480 KB	Output is correct
42	Correct	56 ms	44428 KB	Output is correct
43	Correct	53 ms	44492 KB	Output is correct
44	Correct	49 ms	44456 KB	Output is correct
45	Correct	43 ms	44468 KB	Output is correct
46	Correct	53 ms	44420 KB	Output is correct
47	Correct	59 ms	44480 KB	Output is correct
48	Correct	549 ms	70680 KB	Output is correct
49	Correct	559 ms	70652 KB	Output is correct
50	Correct	543 ms	70648 KB	Output is correct
51	Correct	559 ms	70628 KB	Output is correct
52	Correct	516 ms	68852 KB	Output is correct
53	Correct	536 ms	69108 KB	Output is correct
54	Correct	499 ms	67088 KB	Output is correct
55	Correct	506 ms	66760 KB	Output is correct
56	Correct	516 ms	66152 KB	Output is correct
57	Incorrect	139 ms	41084 KB	Output isn't correct
58	Halted	0 ms	0 KB	-

답안 #20929

Compilation message

Subtask #1 15.0 / 15.0

Subtask #2 30.0 / 30.0

Subtask #3 10.0 / 10.0

Subtask #4 25.0 / 25.0

Subtask #5 0 / 20.0

Subtask #1
15.0 / 15.0

Subtask #2
30.0 / 30.0

Subtask #3
10.0 / 10.0

Subtask #4
25.0 / 25.0

Subtask #5
0 / 20.0