답안 #544234

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
544234	2022-04-01T12:47:09 Z	Antekb	Rope (JOI17_rope)	C++14	100 / 100	534 ms	51616 KB

rope

#include<bits/stdc++.h>
#define st first
#define nd second
using namespace std;
using ll = long long;
const int N=1e6+5;
int ile[N], ilez[N], ans[N], tab[N];
//map<pair<int, int>, int> edg;
int n, m;
void solve(int b){
	if(b==1)ilez[tab[0]]++;
	if((n&1)!=b)ilez[tab[n-1]]++;
	vector<pair<int, int> > V3;
	for(int i=0; i<n-1; i++){
		if((i&1)==b){
			int u=tab[i], v=tab[i+1];
			if(u>v)swap(u, v);
			ilez[u]++;
			ilez[v]++;
			if(u!=v){
				V3.push_back({u, v});
				//edg[{u, v}]++;
				//edg[{v, u}]++;
			}
		}
	}
	sort(V3.begin(), V3.end());
	vector<pair<pair<int, int>, int> > edg;
	for(auto i:V3){
		if(!edg.size() || i!=edg.back().st)edg.push_back({i, 0});
		edg.back().nd++;
	}
	vector<pair<int, int> > V;
	for(int i=1; i<=m; i++){
		V.push_back({ilez[i], i});
	}
	sort(V.begin(), V.end());
	for(int i=1; i<=m; i++){
		for(int j=V.size()-1; j>=0; j--){
			int a=V[j].nd, b=i;
			if(a>b)swap(a, b);
			int s=lower_bound(edg.begin(), edg.end(), make_pair(make_pair(a, b), 0))-edg.begin();
			if(a!=b && (s==edg.size() || edg[s].st!=make_pair(a, b))){
				ans[i]=max(ans[i], ilez[a]+ilez[b]);
				break;
			}
		}
	}
	for(auto i:edg){
		if(i.st.st<i.st.nd){
			int k=ilez[i.st.st]+ilez[i.st.nd]-i.nd;
			ans[i.st.st]=max(ans[i.st.st], k);
			ans[i.st.nd]=max(ans[i.st.nd], k);
		}
	}
	edg.clear();
	for(int i=1; i<=m; i++){
		ilez[i]=0;
	}
}
int main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cin>>n>>m;
	for(int i=0; i<n; i++)cin>>tab[i], ile[tab[i]]++;
	for(int i=1; i<=m; i++)ans[i]=ile[i];
	solve(0);
	solve(1);
	for(int i=1; i<=m; i++){
		cout<<n-ans[i]<<"\n";
	}
}

Compilation message

rope.cpp: In function 'void solve(int)':
rope.cpp:43:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<std::pair<int, int>, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |    if(a!=b && (s==edg.size() || edg[s].st!=make_pair(a, b))){
      |                ~^~~~~~~~~~~~

Subtask #1
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	0 ms	332 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	0 ms	332 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	0 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	336 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct

Subtask #2
30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	0 ms	332 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	0 ms	332 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	0 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	336 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	12 ms	1752 KB	Output is correct
28	Correct	11 ms	1700 KB	Output is correct
29	Correct	17 ms	1728 KB	Output is correct
30	Correct	14 ms	1688 KB	Output is correct
31	Correct	12 ms	1780 KB	Output is correct
32	Correct	11 ms	1708 KB	Output is correct
33	Correct	11 ms	1792 KB	Output is correct
34	Correct	11 ms	1716 KB	Output is correct

Subtask #3
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	0 ms	332 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	0 ms	332 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	0 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	336 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	12 ms	1752 KB	Output is correct
28	Correct	11 ms	1700 KB	Output is correct
29	Correct	17 ms	1728 KB	Output is correct
30	Correct	14 ms	1688 KB	Output is correct
31	Correct	12 ms	1780 KB	Output is correct
32	Correct	11 ms	1708 KB	Output is correct
33	Correct	11 ms	1792 KB	Output is correct
34	Correct	11 ms	1716 KB	Output is correct
35	Correct	20 ms	2796 KB	Output is correct
36	Correct	22 ms	2820 KB	Output is correct
37	Correct	20 ms	2824 KB	Output is correct
38	Correct	26 ms	2840 KB	Output is correct
39	Correct	25 ms	2832 KB	Output is correct
40	Correct	20 ms	2284 KB	Output is correct
41	Correct	20 ms	2232 KB	Output is correct
42	Correct	19 ms	2184 KB	Output is correct
43	Correct	19 ms	1956 KB	Output is correct
44	Correct	19 ms	2248 KB	Output is correct
45	Correct	22 ms	2284 KB	Output is correct
46	Correct	22 ms	2156 KB	Output is correct
47	Correct	19 ms	2180 KB	Output is correct

Subtask #4
25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	0 ms	332 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	0 ms	332 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	0 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	336 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	12 ms	1752 KB	Output is correct
28	Correct	11 ms	1700 KB	Output is correct
29	Correct	17 ms	1728 KB	Output is correct
30	Correct	14 ms	1688 KB	Output is correct
31	Correct	12 ms	1780 KB	Output is correct
32	Correct	11 ms	1708 KB	Output is correct
33	Correct	11 ms	1792 KB	Output is correct
34	Correct	11 ms	1716 KB	Output is correct
35	Correct	20 ms	2796 KB	Output is correct
36	Correct	22 ms	2820 KB	Output is correct
37	Correct	20 ms	2824 KB	Output is correct
38	Correct	26 ms	2840 KB	Output is correct
39	Correct	25 ms	2832 KB	Output is correct
40	Correct	20 ms	2284 KB	Output is correct
41	Correct	20 ms	2232 KB	Output is correct
42	Correct	19 ms	2184 KB	Output is correct
43	Correct	19 ms	1956 KB	Output is correct
44	Correct	19 ms	2248 KB	Output is correct
45	Correct	22 ms	2284 KB	Output is correct
46	Correct	22 ms	2156 KB	Output is correct
47	Correct	19 ms	2180 KB	Output is correct
48	Correct	222 ms	25416 KB	Output is correct
49	Correct	223 ms	25416 KB	Output is correct
50	Correct	228 ms	25424 KB	Output is correct
51	Correct	210 ms	24164 KB	Output is correct
52	Correct	205 ms	23008 KB	Output is correct
53	Correct	241 ms	19728 KB	Output is correct
54	Correct	230 ms	18908 KB	Output is correct
55	Correct	250 ms	18844 KB	Output is correct
56	Correct	247 ms	18480 KB	Output is correct

Subtask #5
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	0 ms	332 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	0 ms	332 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	0 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	336 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	12 ms	1752 KB	Output is correct
28	Correct	11 ms	1700 KB	Output is correct
29	Correct	17 ms	1728 KB	Output is correct
30	Correct	14 ms	1688 KB	Output is correct
31	Correct	12 ms	1780 KB	Output is correct
32	Correct	11 ms	1708 KB	Output is correct
33	Correct	11 ms	1792 KB	Output is correct
34	Correct	11 ms	1716 KB	Output is correct
35	Correct	20 ms	2796 KB	Output is correct
36	Correct	22 ms	2820 KB	Output is correct
37	Correct	20 ms	2824 KB	Output is correct
38	Correct	26 ms	2840 KB	Output is correct
39	Correct	25 ms	2832 KB	Output is correct
40	Correct	20 ms	2284 KB	Output is correct
41	Correct	20 ms	2232 KB	Output is correct
42	Correct	19 ms	2184 KB	Output is correct
43	Correct	19 ms	1956 KB	Output is correct
44	Correct	19 ms	2248 KB	Output is correct
45	Correct	22 ms	2284 KB	Output is correct
46	Correct	22 ms	2156 KB	Output is correct
47	Correct	19 ms	2180 KB	Output is correct
48	Correct	222 ms	25416 KB	Output is correct
49	Correct	223 ms	25416 KB	Output is correct
50	Correct	228 ms	25424 KB	Output is correct
51	Correct	210 ms	24164 KB	Output is correct
52	Correct	205 ms	23008 KB	Output is correct
53	Correct	241 ms	19728 KB	Output is correct
54	Correct	230 ms	18908 KB	Output is correct
55	Correct	250 ms	18844 KB	Output is correct
56	Correct	247 ms	18480 KB	Output is correct
57	Correct	534 ms	51616 KB	Output is correct
58	Correct	458 ms	43692 KB	Output is correct
59	Correct	484 ms	43696 KB	Output is correct
60	Correct	468 ms	45692 KB	Output is correct
61	Correct	465 ms	45672 KB	Output is correct
62	Correct	336 ms	27680 KB	Output is correct
63	Correct	377 ms	34200 KB	Output is correct
64	Correct	348 ms	32280 KB	Output is correct
65	Correct	284 ms	22444 KB	Output is correct

답안 #544234

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 20.0 / 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
20.0 / 20.0