답안 #20361 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
20361	2017-02-07T08:09:47 Z		Can polan into space? (OJUZ11_space)	C++	0 / 100	354 ms	33068 KB

space

#include <cstdio>
#include <cassert>
#include <cstring>
#include <vector>
#include <algorithm>
using namespace std;
typedef long long ll;
typedef pair<int,int> pp;

int N;
const int MAX_N = 200010;

ll a[MAX_N][3],sum[MAX_N][3];

vector<int> pmax_id;

struct mem{
	ll c,v,id;
	mem(){}
	mem(ll c_,ll v_,ll id_):c(c_),v(v_),id(id_){}
	bool operator<(const mem& r)const{
		return c<r.c;
	}
}tree[MAX_N*4],dp[MAX_N];
ll add[MAX_N*4];

#define LL (2*k+1)
#define RR (2*k+2)

void make(int s,int e,int k){
	if(s==e){
		tree[k]=mem(-1e15,s,0);
		return;
	}
	int mid=(s+e)/2;
	make(s,mid,LL);
	make(mid+1,e,RR);
}

void up(int k){
	tree[k]=max(tree[LL],tree[RR]);
}

void down(int k){
	tree[LL].c+=add[k];
	tree[RR].c+=add[k];
	add[LL]+=add[k];
	add[RR]+=add[k];
	add[k]=0;
}

void addRange(int s,int e,int L,int R,int c,int k){
	if(s>R||e<L)return;
	if(L<=s&&e<=R){
		add[k]+=c;
		tree[k].c+=c;
		return;
	}
	down(k);

	int mid=(s+e)/2;
	addRange(s,mid,L,R,c,LL);
	addRange(mid+1,e,L,R,c,RR);
	up(k);
}

void update(int s,int e,int x,int c,int k){
	if(s==e){
		tree[k].c=c;
		tree[k].v=s;
		return;
	}
	down(k);

	int mid=(s+e)/2;
	if(x<=mid)update(s,mid,x,c,LL);
	else update(mid+1,e,x,c,RR);
	up(k);
}

mem query(int s,int e,int L,int R,int k){
	if(s>R||e<L)return mem(-1e15,0,0);
	if(L<=s&&e<=R){
		return tree[k];
	}
	int mid=(s+e)/2;
	return max(query(s,mid,L,R,LL),query(mid+1,e,L,R,RR));
}

int getPos(int x){
	int lo=0,hi=pmax_id.size()-1,mid;
	while(lo+1<hi){
		mid=(lo+hi)/2;
		if(pmax_id[mid]<=x)lo=mid;
		else hi=mid;
	}
	if(pmax_id[lo]>x)return pmax_id[lo];
	return pmax_id[hi];
}

void f(int x,vector<int>& s){
	if(x==0)return;
	f(dp[x].v,s);
	s.push_back(x);
}

int main(){
	
	scanf("%d",&N);
	for(int i=1;i<=N;i++){
		for(int j=0;j<3;j++){
			scanf("%lld",&a[i][j]);
			sum[i][j]+=sum[i-1][j]+a[i][j];
		}
	}

	make(1,N,0);

	for(int i=1;i<=N;i++){
		dp[i]=mem(sum[i-1][1]+a[i][0],0,0);
		int sz=pmax_id.size();
		while(sz>1&&a[pmax_id[sz-1]][2]-a[pmax_id[sz-1]][1]<a[i-1][2]-a[i-1][1]){
			ll pre_max=a[pmax_id[sz-1]][2]-a[pmax_id[sz-1]][1];
			ll cur_max=a[i-1][2]-a[i-1][1];
			addRange(1,N,pmax_id[sz-2],pmax_id[sz-1]-1,cur_max-pre_max,0);
			pmax_id.pop_back();sz--;
		}
		pmax_id.push_back(i-1);
/*
		for(int j=1;j<=i-2;j++){
			mem t = query(1,N,j,j,0);
			printf("(%lld,%lld,%lld) ",t.c,t.v,t.id);
		}printf("   :   ");
*/
		mem dp_j = query(1,N,1,i-2,0);
//		printf("%lld  -->  ",dp_j+a[i][0]-a[i][1]+sum[i][1]);

		if(dp[i].c<dp_j.c+a[i][0]-a[i][1]+sum[i][1]){
			dp[i].c=dp_j.c+a[i][0]-a[i][1]+sum[i][1];
			dp[i].v=dp_j.v;
			dp[i].id=getPos(dp_j.v);
		}

//		printf("(%lld,%lld,%lld)\n",dp[i].c,dp[i].v,dp[i].id);

		update(1,N,i,dp[i].c-sum[i][1]+a[i+1][2]-a[i+1][1],0);
	}


	ll ans=0,v;
	for(int i=1;i<=N;i++){
		if(ans<dp[i].c+sum[N][1]-sum[i][1]){
			ans=dp[i].c+sum[N][1]-sum[i][1];
			v=i;
		}
	}

	printf("%lld\n",ans);

	vector<int> st;
	f(v,st);

	assert(!st.empty());

	for(int i=0;i<st.size();i++){
		printf("%d ",st[i]);
	}

	for(int i=st.front()-1;i>=1;i--)printf("%d ",i);
	for(int i=st.back()+1;i<=N;i++)printf("%d ",i);
	
	for(int i=1;i<st.size();i++){
		for(int j=st[i-1]+1;j<dp[st[i]].id;j++)printf("%d ",j);
		for(int j=st[i]-1;j>=dp[st[i]].id;j--)printf("%d ",j);
	}
	puts("");

	return 0;
}

Compilation message

space.cpp: In function 'int main()':
space.cpp:165:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<st.size();i++){
               ^
space.cpp:172:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=1;i<st.size();i++){
               ^
space.cpp:109:16: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&N);
                ^
space.cpp:112:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf("%lld",&a[i][j]);
                          ^
space.cpp:161:3: warning: 'v' may be used uninitialized in this function [-Wmaybe-uninitialized]
  f(v,st);
   ^

Subtask #1
0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	300 KB	Output is correct
2	Correct	1 ms	428 KB	Output is correct
3	Correct	1 ms	428 KB	Output is correct
4	Correct	3 ms	428 KB	Output is correct
5	Correct	1 ms	428 KB	Output is correct
6	Correct	1 ms	428 KB	Output is correct
7	Correct	1 ms	428 KB	Output is correct
8	Correct	1 ms	428 KB	Output is correct
9	Correct	2 ms	428 KB	Output is correct
10	Correct	2 ms	428 KB	Output is correct
11	Correct	1 ms	428 KB	Output is correct
12	Correct	1 ms	428 KB	Output is correct
13	Correct	2 ms	428 KB	Output is correct
14	Correct	1 ms	428 KB	Output is correct
15	Correct	1 ms	428 KB	Output is correct
16	Correct	1 ms	428 KB	Output is correct
17	Correct	1 ms	428 KB	Output is correct
18	Incorrect	1 ms	428 KB	Output isn't correct
19	Incorrect	1 ms	428 KB	Output isn't correct
20	Incorrect	2 ms	428 KB	Output isn't correct
21	Incorrect	1 ms	428 KB	Output isn't correct

Subtask #2
0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	300 KB	Output is correct
2	Correct	1 ms	428 KB	Output is correct
3	Correct	1 ms	428 KB	Output is correct
4	Correct	3 ms	428 KB	Output is correct
5	Correct	1 ms	428 KB	Output is correct
6	Correct	1 ms	428 KB	Output is correct
7	Correct	1 ms	428 KB	Output is correct
8	Correct	1 ms	428 KB	Output is correct
9	Correct	2 ms	428 KB	Output is correct
10	Correct	2 ms	428 KB	Output is correct
11	Correct	1 ms	428 KB	Output is correct
12	Correct	1 ms	428 KB	Output is correct
13	Correct	2 ms	428 KB	Output is correct
14	Correct	1 ms	428 KB	Output is correct
15	Correct	1 ms	428 KB	Output is correct
16	Correct	1 ms	428 KB	Output is correct
17	Correct	1 ms	428 KB	Output is correct
18	Incorrect	1 ms	428 KB	Output isn't correct
19	Incorrect	1 ms	428 KB	Output isn't correct
20	Incorrect	2 ms	428 KB	Output isn't correct
21	Incorrect	1 ms	428 KB	Output isn't correct
22	Correct	1 ms	428 KB	Output is correct
23	Incorrect	1 ms	428 KB	Output isn't correct
24	Correct	2 ms	428 KB	Output is correct
25	Incorrect	2 ms	428 KB	Output isn't correct
26	Incorrect	2 ms	428 KB	Output isn't correct
27	Correct	2 ms	428 KB	Output is correct
28	Correct	1 ms	428 KB	Output is correct
29	Incorrect	2 ms	428 KB	Output isn't correct
30	Incorrect	1 ms	428 KB	Output isn't correct
31	Correct	1 ms	428 KB	Output is correct
32	Incorrect	1 ms	428 KB	Output isn't correct
33	Incorrect	1 ms	428 KB	Output isn't correct
34	Incorrect	1 ms	428 KB	Output isn't correct
35	Incorrect	1 ms	428 KB	Output isn't correct
36	Incorrect	2 ms	428 KB	Output isn't correct
37	Incorrect	2 ms	428 KB	Output isn't correct

Subtask #3
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	300 KB	Output is correct
2	Correct	1 ms	428 KB	Output is correct
3	Correct	1 ms	428 KB	Output is correct
4	Correct	3 ms	428 KB	Output is correct
5	Correct	1 ms	428 KB	Output is correct
6	Correct	1 ms	428 KB	Output is correct
7	Correct	1 ms	428 KB	Output is correct
8	Correct	1 ms	428 KB	Output is correct
9	Correct	2 ms	428 KB	Output is correct
10	Correct	2 ms	428 KB	Output is correct
11	Correct	1 ms	428 KB	Output is correct
12	Correct	1 ms	428 KB	Output is correct
13	Correct	2 ms	428 KB	Output is correct
14	Correct	1 ms	428 KB	Output is correct
15	Correct	1 ms	428 KB	Output is correct
16	Correct	1 ms	428 KB	Output is correct
17	Correct	1 ms	428 KB	Output is correct
18	Incorrect	1 ms	428 KB	Output isn't correct
19	Incorrect	1 ms	428 KB	Output isn't correct
20	Incorrect	2 ms	428 KB	Output isn't correct
21	Incorrect	1 ms	428 KB	Output isn't correct
22	Correct	1 ms	428 KB	Output is correct
23	Incorrect	1 ms	428 KB	Output isn't correct
24	Correct	2 ms	428 KB	Output is correct
25	Incorrect	2 ms	428 KB	Output isn't correct
26	Incorrect	2 ms	428 KB	Output isn't correct
27	Correct	2 ms	428 KB	Output is correct
28	Correct	1 ms	428 KB	Output is correct
29	Incorrect	2 ms	428 KB	Output isn't correct
30	Incorrect	1 ms	428 KB	Output isn't correct
31	Correct	1 ms	428 KB	Output is correct
32	Incorrect	1 ms	428 KB	Output isn't correct
33	Incorrect	1 ms	428 KB	Output isn't correct
34	Incorrect	1 ms	428 KB	Output isn't correct
35	Incorrect	1 ms	428 KB	Output isn't correct
36	Incorrect	2 ms	428 KB	Output isn't correct
37	Incorrect	2 ms	428 KB	Output isn't correct
38	Incorrect	2 ms	428 KB	Output isn't correct
39	Incorrect	2 ms	428 KB	Output isn't correct
40	Correct	2 ms	428 KB	Output is correct
41	Incorrect	2 ms	428 KB	Output isn't correct
42	Incorrect	2 ms	428 KB	Output isn't correct
43	Incorrect	2 ms	428 KB	Output isn't correct
44	Correct	2 ms	428 KB	Output is correct
45	Incorrect	2 ms	428 KB	Output isn't correct
46	Incorrect	2 ms	428 KB	Output isn't correct
47	Correct	2 ms	428 KB	Output is correct
48	Incorrect	2 ms	428 KB	Output isn't correct
49	Incorrect	2 ms	428 KB	Output isn't correct
50	Incorrect	2 ms	428 KB	Output isn't correct
51	Incorrect	1 ms	428 KB	Output isn't correct
52	Incorrect	2 ms	428 KB	Output isn't correct
53	Incorrect	2 ms	428 KB	Output isn't correct

Subtask #4
0 / 26.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	300 KB	Output is correct
2	Correct	1 ms	428 KB	Output is correct
3	Correct	1 ms	428 KB	Output is correct
4	Correct	3 ms	428 KB	Output is correct
5	Correct	1 ms	428 KB	Output is correct
6	Correct	1 ms	428 KB	Output is correct
7	Correct	1 ms	428 KB	Output is correct
8	Correct	1 ms	428 KB	Output is correct
9	Correct	2 ms	428 KB	Output is correct
10	Correct	2 ms	428 KB	Output is correct
11	Correct	1 ms	428 KB	Output is correct
12	Correct	1 ms	428 KB	Output is correct
13	Correct	2 ms	428 KB	Output is correct
14	Correct	1 ms	428 KB	Output is correct
15	Correct	1 ms	428 KB	Output is correct
16	Correct	1 ms	428 KB	Output is correct
17	Correct	1 ms	428 KB	Output is correct
18	Incorrect	1 ms	428 KB	Output isn't correct
19	Incorrect	1 ms	428 KB	Output isn't correct
20	Incorrect	2 ms	428 KB	Output isn't correct
21	Incorrect	1 ms	428 KB	Output isn't correct
22	Correct	1 ms	428 KB	Output is correct
23	Incorrect	1 ms	428 KB	Output isn't correct
24	Correct	2 ms	428 KB	Output is correct
25	Incorrect	2 ms	428 KB	Output isn't correct
26	Incorrect	2 ms	428 KB	Output isn't correct
27	Correct	2 ms	428 KB	Output is correct
28	Correct	1 ms	428 KB	Output is correct
29	Incorrect	2 ms	428 KB	Output isn't correct
30	Incorrect	1 ms	428 KB	Output isn't correct
31	Correct	1 ms	428 KB	Output is correct
32	Incorrect	1 ms	428 KB	Output isn't correct
33	Incorrect	1 ms	428 KB	Output isn't correct
34	Incorrect	1 ms	428 KB	Output isn't correct
35	Incorrect	1 ms	428 KB	Output isn't correct
36	Incorrect	2 ms	428 KB	Output isn't correct
37	Incorrect	2 ms	428 KB	Output isn't correct
38	Incorrect	2 ms	428 KB	Output isn't correct
39	Incorrect	2 ms	428 KB	Output isn't correct
40	Correct	2 ms	428 KB	Output is correct
41	Incorrect	2 ms	428 KB	Output isn't correct
42	Incorrect	2 ms	428 KB	Output isn't correct
43	Incorrect	2 ms	428 KB	Output isn't correct
44	Correct	2 ms	428 KB	Output is correct
45	Incorrect	2 ms	428 KB	Output isn't correct
46	Incorrect	2 ms	428 KB	Output isn't correct
47	Correct	2 ms	428 KB	Output is correct
48	Incorrect	2 ms	428 KB	Output isn't correct
49	Incorrect	2 ms	428 KB	Output isn't correct
50	Incorrect	2 ms	428 KB	Output isn't correct
51	Incorrect	1 ms	428 KB	Output isn't correct
52	Incorrect	2 ms	428 KB	Output isn't correct
53	Incorrect	2 ms	428 KB	Output isn't correct
54	Incorrect	2 ms	428 KB	Output isn't correct
55	Incorrect	17 ms	2188 KB	Output isn't correct
56	Correct	17 ms	2212 KB	Output is correct
57	Incorrect	16 ms	2220 KB	Output isn't correct
58	Incorrect	18 ms	2220 KB	Output isn't correct
59	Incorrect	17 ms	2228 KB	Output isn't correct
60	Incorrect	16 ms	2228 KB	Output isn't correct
61	Correct	13 ms	2228 KB	Output is correct
62	Incorrect	19 ms	2228 KB	Output isn't correct
63	Incorrect	4 ms	2228 KB	Output isn't correct
64	Incorrect	17 ms	2228 KB	Output isn't correct
65	Correct	17 ms	2228 KB	Output is correct
66	Incorrect	16 ms	2228 KB	Output isn't correct
67	Incorrect	9 ms	2228 KB	Output isn't correct
68	Incorrect	6 ms	2228 KB	Output isn't correct
69	Incorrect	16 ms	2228 KB	Output isn't correct

Subtask #5
0 / 28.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	300 KB	Output is correct
2	Correct	1 ms	428 KB	Output is correct
3	Correct	1 ms	428 KB	Output is correct
4	Correct	3 ms	428 KB	Output is correct
5	Correct	1 ms	428 KB	Output is correct
6	Correct	1 ms	428 KB	Output is correct
7	Correct	1 ms	428 KB	Output is correct
8	Correct	1 ms	428 KB	Output is correct
9	Correct	2 ms	428 KB	Output is correct
10	Correct	2 ms	428 KB	Output is correct
11	Correct	1 ms	428 KB	Output is correct
12	Correct	1 ms	428 KB	Output is correct
13	Correct	2 ms	428 KB	Output is correct
14	Correct	1 ms	428 KB	Output is correct
15	Correct	1 ms	428 KB	Output is correct
16	Correct	1 ms	428 KB	Output is correct
17	Correct	1 ms	428 KB	Output is correct
18	Incorrect	1 ms	428 KB	Output isn't correct
19	Incorrect	1 ms	428 KB	Output isn't correct
20	Incorrect	2 ms	428 KB	Output isn't correct
21	Incorrect	1 ms	428 KB	Output isn't correct
22	Correct	1 ms	428 KB	Output is correct
23	Incorrect	1 ms	428 KB	Output isn't correct
24	Correct	2 ms	428 KB	Output is correct
25	Incorrect	2 ms	428 KB	Output isn't correct
26	Incorrect	2 ms	428 KB	Output isn't correct
27	Correct	2 ms	428 KB	Output is correct
28	Correct	1 ms	428 KB	Output is correct
29	Incorrect	2 ms	428 KB	Output isn't correct
30	Incorrect	1 ms	428 KB	Output isn't correct
31	Correct	1 ms	428 KB	Output is correct
32	Incorrect	1 ms	428 KB	Output isn't correct
33	Incorrect	1 ms	428 KB	Output isn't correct
34	Incorrect	1 ms	428 KB	Output isn't correct
35	Incorrect	1 ms	428 KB	Output isn't correct
36	Incorrect	2 ms	428 KB	Output isn't correct
37	Incorrect	2 ms	428 KB	Output isn't correct
38	Incorrect	2 ms	428 KB	Output isn't correct
39	Incorrect	2 ms	428 KB	Output isn't correct
40	Correct	2 ms	428 KB	Output is correct
41	Incorrect	2 ms	428 KB	Output isn't correct
42	Incorrect	2 ms	428 KB	Output isn't correct
43	Incorrect	2 ms	428 KB	Output isn't correct
44	Correct	2 ms	428 KB	Output is correct
45	Incorrect	2 ms	428 KB	Output isn't correct
46	Incorrect	2 ms	428 KB	Output isn't correct
47	Correct	2 ms	428 KB	Output is correct
48	Incorrect	2 ms	428 KB	Output isn't correct
49	Incorrect	2 ms	428 KB	Output isn't correct
50	Incorrect	2 ms	428 KB	Output isn't correct
51	Incorrect	1 ms	428 KB	Output isn't correct
52	Incorrect	2 ms	428 KB	Output isn't correct
53	Incorrect	2 ms	428 KB	Output isn't correct
54	Incorrect	2 ms	428 KB	Output isn't correct
55	Incorrect	17 ms	2188 KB	Output isn't correct
56	Correct	17 ms	2212 KB	Output is correct
57	Incorrect	16 ms	2220 KB	Output isn't correct
58	Incorrect	18 ms	2220 KB	Output isn't correct
59	Incorrect	17 ms	2228 KB	Output isn't correct
60	Incorrect	16 ms	2228 KB	Output isn't correct
61	Correct	13 ms	2228 KB	Output is correct
62	Incorrect	19 ms	2228 KB	Output isn't correct
63	Incorrect	4 ms	2228 KB	Output isn't correct
64	Incorrect	17 ms	2228 KB	Output isn't correct
65	Correct	17 ms	2228 KB	Output is correct
66	Incorrect	16 ms	2228 KB	Output isn't correct
67	Incorrect	9 ms	2228 KB	Output isn't correct
68	Incorrect	6 ms	2228 KB	Output isn't correct
69	Incorrect	16 ms	2228 KB	Output isn't correct
70	Incorrect	17 ms	2228 KB	Output isn't correct
71	Incorrect	346 ms	32180 KB	Output isn't correct
72	Correct	220 ms	33068 KB	Output is correct
73	Incorrect	354 ms	33068 KB	Output isn't correct
74	Correct	301 ms	33068 KB	Output is correct
75	Incorrect	326 ms	33068 KB	Output isn't correct
76	Incorrect	335 ms	33068 KB	Output isn't correct
77	Incorrect	127 ms	33068 KB	Output isn't correct
78	Incorrect	316 ms	33068 KB	Output isn't correct
79	Incorrect	315 ms	33068 KB	Output isn't correct
80	Correct	314 ms	33068 KB	Output is correct
81	Incorrect	61 ms	33068 KB	Output isn't correct
82	Incorrect	214 ms	33068 KB	Output isn't correct
83	Incorrect	314 ms	33068 KB	Output isn't correct
84	Incorrect	316 ms	33068 KB	Output isn't correct
85	Incorrect	348 ms	33068 KB	Output isn't correct
86	Incorrect	315 ms	33068 KB	Output isn't correct
87	Incorrect	316 ms	33068 KB	Output isn't correct
88	Incorrect	48 ms	33068 KB	Output isn't correct
89	Incorrect	174 ms	33068 KB	Output isn't correct
90	Incorrect	136 ms	33068 KB	Output isn't correct
91	Correct	14 ms	33068 KB	Output is correct
92	Incorrect	137 ms	33068 KB	Output isn't correct

답안 #20361

Compilation message

Subtask #1 0 / 11.0

Subtask #2 0 / 12.0

Subtask #3 0 / 23.0

Subtask #4 0 / 26.0

Subtask #5 0 / 28.0

Subtask #1
0 / 11.0

Subtask #2
0 / 12.0

Subtask #3
0 / 23.0

Subtask #4
0 / 26.0

Subtask #5
0 / 28.0