답안 #41554 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
41554	2018-02-18T21:07:44 Z	Pajaraja	Birthday gift (IZhO18_treearray)	C++14	100 / 100	1479 ms	262144 KB

treearray

#include <bits/stdc++.h>
#define MAXN 200007
#define MAXL 22
using namespace std;
vector<int> g[MAXN];
multiset<int> k[MAXN],km[MAXN];
multiset<int>::iterator it;
int p[MAXL][MAXN],a[MAXN],b[MAXN],in[MAXN],out[MAXN],n,cnt;
void dfs(int s,int f)
{
	p[0][s]=f;
	in[s]=cnt++;
	for(int i=0;i<g[s].size();i++) if(g[s][i]!=f) dfs(g[s][i],s);
	out[s]=cnt++;
}
bool insub(int x,int y) {return ((in[x]<=in[y])&&(out[x]>=out[y]));}
void lcainit()
{
	dfs(1,0);
	in[0]=-1;
	out[0]=2*MAXN;
	for(int i=1;i<MAXL;i++) for(int j=1;j<=n;j++) p[i][j]=p[i-1][p[i-1][j]];
}
int lca(int x,int y)
{
	if(insub(x,y)) return x;
	if(insub(y,x)) return y;
	for(int i=MAXL-1;i>=0;i--) if(!insub(p[i][x],y)) x=p[i][x];
	return p[0][x];
}
int main()
{
	int m,q;
	scanf("%d%d%d",&n,&m,&q);
	for(int i=0;i<n-1;i++)
	{
		int t1,t2;
		scanf("%d%d",&t1,&t2);
		g[t1].push_back(t2);
		g[t2].push_back(t1);
	}
	lcainit();
	for(int i=1;i<=m;i++) scanf("%d",&a[i]);
	for(int i=1;i<m;i++) b[i]=lca(a[i],a[i+1]);
	for(int i=1;i<=m;i++) k[a[i]].insert(i);
	for(int i=1;i<m;i++) km[b[i]].insert(i);
	while(q--)
	{
		int t;
		scanf("%d",&t);
		if(t==1)
		{
			int t1,t2;
			scanf("%d%d",&t1,&t2);
			if(t1>1)
			{
				int u=lca(t2,a[t1-1]);
				km[b[t1-1]].erase(t1-1);	
				km[u].insert(t1-1);
				b[t1-1]=u;
			}
			if(t1<m)
			{
				int u=lca(t2,a[t1+1]);
				km[b[t1]].erase(t1);	
				km[u].insert(t1);
				b[t1]=u;
			}
			k[a[t1]].erase(t1);
			a[t1]=t2;
			k[a[t1]].insert(t1);
		}
		else
		{
			int l,r,u;
			scanf("%d%d%d",&l,&r,&u);
			it=k[u].lower_bound(l);
			if(it!=k[u].end() && *it<=r) {printf("%d %d\n",*it,*it); continue;}
			it=km[u].lower_bound(l);
			if(it!=km[u].end() && *it<r) {printf("%d %d\n",*it,*it+1); continue;}
			printf("-1 -1\n");
		}
	}
}

Compilation message

treearray.cpp: In function 'void dfs(int, int)':
treearray.cpp:13:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<g[s].size();i++) if(g[s][i]!=f) dfs(g[s][i],s);
               ^
treearray.cpp: In function 'int main()':
treearray.cpp:34:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d%d",&n,&m,&q);
                          ^
treearray.cpp:38:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d",&t1,&t2);
                        ^
treearray.cpp:43:41: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i=1;i<=m;i++) scanf("%d",&a[i]);
                                         ^
treearray.cpp:50:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&t);
                 ^
treearray.cpp:54:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf("%d%d",&t1,&t2);
                         ^
treearray.cpp:76:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf("%d%d%d",&l,&r,&u);
                            ^

Subtask #1
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	21 ms	23928 KB	n=5
2	Correct	21 ms	24032 KB	n=100
3	Correct	21 ms	24068 KB	n=100
4	Correct	22 ms	24172 KB	n=100
5	Correct	23 ms	24172 KB	n=100
6	Correct	23 ms	24172 KB	n=100
7	Correct	27 ms	24212 KB	n=100
8	Correct	23 ms	24212 KB	n=100
9	Correct	20 ms	24212 KB	n=100
10	Correct	20 ms	24212 KB	n=100
11	Correct	26 ms	24212 KB	n=100
12	Correct	21 ms	24212 KB	n=100
13	Correct	20 ms	24212 KB	n=100
14	Correct	22 ms	24212 KB	n=100
15	Correct	21 ms	24212 KB	n=100
16	Correct	21 ms	24212 KB	n=100
17	Correct	21 ms	24212 KB	n=100
18	Correct	20 ms	24212 KB	n=100
19	Correct	20 ms	24212 KB	n=100
20	Correct	20 ms	24212 KB	n=100
21	Correct	21 ms	24212 KB	n=100
22	Correct	20 ms	24212 KB	n=100
23	Correct	22 ms	24212 KB	n=100
24	Correct	22 ms	24212 KB	n=100
25	Correct	20 ms	24236 KB	n=100
26	Correct	20 ms	24240 KB	n=12
27	Correct	22 ms	24372 KB	n=100

Subtask #2
18.0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Correct	21 ms	23928 KB	n=5
2	Correct	21 ms	24032 KB	n=100
3	Correct	21 ms	24068 KB	n=100
4	Correct	22 ms	24172 KB	n=100
5	Correct	23 ms	24172 KB	n=100
6	Correct	23 ms	24172 KB	n=100
7	Correct	27 ms	24212 KB	n=100
8	Correct	23 ms	24212 KB	n=100
9	Correct	20 ms	24212 KB	n=100
10	Correct	20 ms	24212 KB	n=100
11	Correct	26 ms	24212 KB	n=100
12	Correct	21 ms	24212 KB	n=100
13	Correct	20 ms	24212 KB	n=100
14	Correct	22 ms	24212 KB	n=100
15	Correct	21 ms	24212 KB	n=100
16	Correct	21 ms	24212 KB	n=100
17	Correct	21 ms	24212 KB	n=100
18	Correct	20 ms	24212 KB	n=100
19	Correct	20 ms	24212 KB	n=100
20	Correct	20 ms	24212 KB	n=100
21	Correct	21 ms	24212 KB	n=100
22	Correct	20 ms	24212 KB	n=100
23	Correct	22 ms	24212 KB	n=100
24	Correct	22 ms	24212 KB	n=100
25	Correct	20 ms	24236 KB	n=100
26	Correct	20 ms	24240 KB	n=12
27	Correct	22 ms	24372 KB	n=100
28	Correct	21 ms	24408 KB	n=500
29	Correct	21 ms	24420 KB	n=500
30	Correct	21 ms	24452 KB	n=500
31	Correct	22 ms	24484 KB	n=500
32	Correct	24 ms	24500 KB	n=500
33	Correct	23 ms	24512 KB	n=500
34	Correct	21 ms	24528 KB	n=500
35	Correct	21 ms	24640 KB	n=500
36	Correct	21 ms	24640 KB	n=500
37	Correct	21 ms	24640 KB	n=500
38	Correct	20 ms	24640 KB	n=500
39	Correct	23 ms	24640 KB	n=500
40	Correct	21 ms	24640 KB	n=500
41	Correct	21 ms	24656 KB	n=500
42	Correct	22 ms	24800 KB	n=500
43	Correct	20 ms	24800 KB	n=500
44	Correct	22 ms	24800 KB	n=500
45	Correct	22 ms	24800 KB	n=500
46	Correct	22 ms	24800 KB	n=500
47	Correct	21 ms	24800 KB	n=500
48	Correct	20 ms	24800 KB	n=500
49	Correct	21 ms	24800 KB	n=500
50	Correct	28 ms	24800 KB	n=500
51	Correct	21 ms	24800 KB	n=500
52	Correct	21 ms	24852 KB	n=500
53	Correct	21 ms	24852 KB	n=500
54	Correct	25 ms	24852 KB	n=500
55	Correct	21 ms	24852 KB	n=278
56	Correct	20 ms	24860 KB	n=500
57	Correct	20 ms	24872 KB	n=500
58	Correct	21 ms	24884 KB	n=500

Subtask #3
26.0 / 26.0

#	결과	실행 시간	메모리	Grader output
1	Correct	21 ms	23928 KB	n=5
2	Correct	21 ms	24032 KB	n=100
3	Correct	21 ms	24068 KB	n=100
4	Correct	22 ms	24172 KB	n=100
5	Correct	23 ms	24172 KB	n=100
6	Correct	23 ms	24172 KB	n=100
7	Correct	27 ms	24212 KB	n=100
8	Correct	23 ms	24212 KB	n=100
9	Correct	20 ms	24212 KB	n=100
10	Correct	20 ms	24212 KB	n=100
11	Correct	26 ms	24212 KB	n=100
12	Correct	21 ms	24212 KB	n=100
13	Correct	20 ms	24212 KB	n=100
14	Correct	22 ms	24212 KB	n=100
15	Correct	21 ms	24212 KB	n=100
16	Correct	21 ms	24212 KB	n=100
17	Correct	21 ms	24212 KB	n=100
18	Correct	20 ms	24212 KB	n=100
19	Correct	20 ms	24212 KB	n=100
20	Correct	20 ms	24212 KB	n=100
21	Correct	21 ms	24212 KB	n=100
22	Correct	20 ms	24212 KB	n=100
23	Correct	22 ms	24212 KB	n=100
24	Correct	22 ms	24212 KB	n=100
25	Correct	20 ms	24236 KB	n=100
26	Correct	20 ms	24240 KB	n=12
27	Correct	22 ms	24372 KB	n=100
28	Correct	21 ms	24408 KB	n=500
29	Correct	21 ms	24420 KB	n=500
30	Correct	21 ms	24452 KB	n=500
31	Correct	22 ms	24484 KB	n=500
32	Correct	24 ms	24500 KB	n=500
33	Correct	23 ms	24512 KB	n=500
34	Correct	21 ms	24528 KB	n=500
35	Correct	21 ms	24640 KB	n=500
36	Correct	21 ms	24640 KB	n=500
37	Correct	21 ms	24640 KB	n=500
38	Correct	20 ms	24640 KB	n=500
39	Correct	23 ms	24640 KB	n=500
40	Correct	21 ms	24640 KB	n=500
41	Correct	21 ms	24656 KB	n=500
42	Correct	22 ms	24800 KB	n=500
43	Correct	20 ms	24800 KB	n=500
44	Correct	22 ms	24800 KB	n=500
45	Correct	22 ms	24800 KB	n=500
46	Correct	22 ms	24800 KB	n=500
47	Correct	21 ms	24800 KB	n=500
48	Correct	20 ms	24800 KB	n=500
49	Correct	21 ms	24800 KB	n=500
50	Correct	28 ms	24800 KB	n=500
51	Correct	21 ms	24800 KB	n=500
52	Correct	21 ms	24852 KB	n=500
53	Correct	21 ms	24852 KB	n=500
54	Correct	25 ms	24852 KB	n=500
55	Correct	21 ms	24852 KB	n=278
56	Correct	20 ms	24860 KB	n=500
57	Correct	20 ms	24872 KB	n=500
58	Correct	21 ms	24884 KB	n=500
59	Correct	25 ms	25284 KB	n=2000
60	Correct	25 ms	25444 KB	n=2000
61	Correct	24 ms	25520 KB	n=2000
62	Correct	25 ms	25576 KB	n=2000
63	Correct	25 ms	25576 KB	n=2000
64	Correct	24 ms	25576 KB	n=2000
65	Correct	25 ms	25612 KB	n=2000
66	Correct	25 ms	25792 KB	n=2000
67	Correct	26 ms	25792 KB	n=2000
68	Correct	25 ms	25904 KB	n=2000
69	Correct	23 ms	25904 KB	n=2000
70	Correct	25 ms	25904 KB	n=2000
71	Correct	26 ms	25936 KB	n=2000
72	Correct	24 ms	26092 KB	n=2000
73	Correct	23 ms	26092 KB	n=2000
74	Correct	24 ms	26104 KB	n=1844
75	Correct	24 ms	26148 KB	n=2000
76	Correct	25 ms	26204 KB	n=2000
77	Correct	26 ms	26256 KB	n=2000
78	Correct	25 ms	26308 KB	n=2000
79	Correct	25 ms	26488 KB	n=2000
80	Correct	25 ms	26536 KB	n=2000
81	Correct	24 ms	26536 KB	n=2000
82	Correct	25 ms	26536 KB	n=2000
83	Correct	27 ms	26696 KB	n=2000
84	Correct	26 ms	26696 KB	n=2000
85	Correct	25 ms	26696 KB	n=2000
86	Correct	25 ms	26732 KB	n=2000
87	Correct	26 ms	26788 KB	n=2000
88	Correct	25 ms	26968 KB	n=2000
89	Correct	24 ms	26992 KB	n=2000
90	Correct	25 ms	27080 KB	n=2000
91	Correct	23 ms	27080 KB	n=2000

Subtask #4
44.0 / 44.0

#	결과	실행 시간	메모리	Grader output
1	Correct	21 ms	23928 KB	n=5
2	Correct	21 ms	24032 KB	n=100
3	Correct	21 ms	24068 KB	n=100
4	Correct	22 ms	24172 KB	n=100
5	Correct	23 ms	24172 KB	n=100
6	Correct	23 ms	24172 KB	n=100
7	Correct	27 ms	24212 KB	n=100
8	Correct	23 ms	24212 KB	n=100
9	Correct	20 ms	24212 KB	n=100
10	Correct	20 ms	24212 KB	n=100
11	Correct	26 ms	24212 KB	n=100
12	Correct	21 ms	24212 KB	n=100
13	Correct	20 ms	24212 KB	n=100
14	Correct	22 ms	24212 KB	n=100
15	Correct	21 ms	24212 KB	n=100
16	Correct	21 ms	24212 KB	n=100
17	Correct	21 ms	24212 KB	n=100
18	Correct	20 ms	24212 KB	n=100
19	Correct	20 ms	24212 KB	n=100
20	Correct	20 ms	24212 KB	n=100
21	Correct	21 ms	24212 KB	n=100
22	Correct	20 ms	24212 KB	n=100
23	Correct	22 ms	24212 KB	n=100
24	Correct	22 ms	24212 KB	n=100
25	Correct	20 ms	24236 KB	n=100
26	Correct	20 ms	24240 KB	n=12
27	Correct	22 ms	24372 KB	n=100
28	Correct	21 ms	24408 KB	n=500
29	Correct	21 ms	24420 KB	n=500
30	Correct	21 ms	24452 KB	n=500
31	Correct	22 ms	24484 KB	n=500
32	Correct	24 ms	24500 KB	n=500
33	Correct	23 ms	24512 KB	n=500
34	Correct	21 ms	24528 KB	n=500
35	Correct	21 ms	24640 KB	n=500
36	Correct	21 ms	24640 KB	n=500
37	Correct	21 ms	24640 KB	n=500
38	Correct	20 ms	24640 KB	n=500
39	Correct	23 ms	24640 KB	n=500
40	Correct	21 ms	24640 KB	n=500
41	Correct	21 ms	24656 KB	n=500
42	Correct	22 ms	24800 KB	n=500
43	Correct	20 ms	24800 KB	n=500
44	Correct	22 ms	24800 KB	n=500
45	Correct	22 ms	24800 KB	n=500
46	Correct	22 ms	24800 KB	n=500
47	Correct	21 ms	24800 KB	n=500
48	Correct	20 ms	24800 KB	n=500
49	Correct	21 ms	24800 KB	n=500
50	Correct	28 ms	24800 KB	n=500
51	Correct	21 ms	24800 KB	n=500
52	Correct	21 ms	24852 KB	n=500
53	Correct	21 ms	24852 KB	n=500
54	Correct	25 ms	24852 KB	n=500
55	Correct	21 ms	24852 KB	n=278
56	Correct	20 ms	24860 KB	n=500
57	Correct	20 ms	24872 KB	n=500
58	Correct	21 ms	24884 KB	n=500
59	Correct	25 ms	25284 KB	n=2000
60	Correct	25 ms	25444 KB	n=2000
61	Correct	24 ms	25520 KB	n=2000
62	Correct	25 ms	25576 KB	n=2000
63	Correct	25 ms	25576 KB	n=2000
64	Correct	24 ms	25576 KB	n=2000
65	Correct	25 ms	25612 KB	n=2000
66	Correct	25 ms	25792 KB	n=2000
67	Correct	26 ms	25792 KB	n=2000
68	Correct	25 ms	25904 KB	n=2000
69	Correct	23 ms	25904 KB	n=2000
70	Correct	25 ms	25904 KB	n=2000
71	Correct	26 ms	25936 KB	n=2000
72	Correct	24 ms	26092 KB	n=2000
73	Correct	23 ms	26092 KB	n=2000
74	Correct	24 ms	26104 KB	n=1844
75	Correct	24 ms	26148 KB	n=2000
76	Correct	25 ms	26204 KB	n=2000
77	Correct	26 ms	26256 KB	n=2000
78	Correct	25 ms	26308 KB	n=2000
79	Correct	25 ms	26488 KB	n=2000
80	Correct	25 ms	26536 KB	n=2000
81	Correct	24 ms	26536 KB	n=2000
82	Correct	25 ms	26536 KB	n=2000
83	Correct	27 ms	26696 KB	n=2000
84	Correct	26 ms	26696 KB	n=2000
85	Correct	25 ms	26696 KB	n=2000
86	Correct	25 ms	26732 KB	n=2000
87	Correct	26 ms	26788 KB	n=2000
88	Correct	25 ms	26968 KB	n=2000
89	Correct	24 ms	26992 KB	n=2000
90	Correct	25 ms	27080 KB	n=2000
91	Correct	23 ms	27080 KB	n=2000
92	Correct	1365 ms	80496 KB	n=200000
93	Correct	1111 ms	93260 KB	n=200000
94	Correct	895 ms	105484 KB	n=200000
95	Correct	1461 ms	105484 KB	n=200000
96	Correct	1479 ms	108616 KB	n=200000
97	Correct	1331 ms	120460 KB	n=200000
98	Correct	1370 ms	122848 KB	n=200000
99	Correct	1401 ms	129484 KB	n=200000
100	Correct	1385 ms	136540 KB	n=200000
101	Correct	706 ms	155524 KB	n=200000
102	Correct	755 ms	155524 KB	n=200000
103	Correct	758 ms	158324 KB	n=200000
104	Correct	798 ms	165136 KB	n=200000
105	Correct	776 ms	172284 KB	n=200000
106	Correct	762 ms	179636 KB	n=200000
107	Correct	806 ms	186920 KB	n=200000
108	Correct	1353 ms	192804 KB	n=200000
109	Correct	1292 ms	199712 KB	n=200000
110	Correct	1332 ms	206456 KB	n=200000
111	Correct	1180 ms	212872 KB	n=200000
112	Correct	771 ms	230828 KB	n=200000
113	Correct	1126 ms	232540 KB	n=200000
114	Correct	1062 ms	234292 KB	n=200000
115	Correct	1407 ms	243392 KB	n=200000
116	Correct	1288 ms	248676 KB	n=200000
117	Correct	691 ms	262144 KB	n=200000
118	Correct	1293 ms	262144 KB	n=200000
119	Correct	1390 ms	262144 KB	n=200000
120	Correct	651 ms	262144 KB	n=200000
121	Correct	641 ms	262144 KB	n=200000
122	Correct	629 ms	262144 KB	n=200000
123	Correct	754 ms	262144 KB	n=200000
124	Correct	218 ms	262144 KB	n=25264

답안 #41554

Compilation message

Subtask #1 12.0 / 12.0

Subtask #2 18.0 / 18.0

Subtask #3 26.0 / 26.0

Subtask #4 44.0 / 44.0

Subtask #1
12.0 / 12.0

Subtask #2
18.0 / 18.0

Subtask #3
26.0 / 26.0

Subtask #4
44.0 / 44.0