답안 #90717

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
90717 2018-12-24T00:36:04 Z janchomath Birthday gift (IZhO18_treearray) C++14
100 / 100
2215 ms 113384 KB
#include<bits/stdc++.h>
#define ll int
#define f first
#define s second
#define pb push_back
using namespace std;

ll in[200020],l,r,n,m,xx,yy,q,a[200020],type,pa;
ll out[200020];
ll timer=1;
ll P[200020][18];
vector<ll>v[200005],g;

void dfs(int p,int u) {
    P[u][0]=p;
    for (int i=1;i<=17;i++)
        P[u][i]=P[P[u][i-1]][i-1];
    timer++;
    in[u]=timer;
    for (int i=0;i<v[u].size();i++)
        if (v[u][i] != p){
            dfs(u,v[u][i]);
        }
    out[u]=timer;
}

int lca(int a,int b) {
    if (in[a] <= in[b] && out[b] <= out[a]) return a;
    for (int i=17;i>=0;i--)
        if (P[a][i])
            if (!(in[P[a][i]] <= in[b] && out[b] <= out[P[a][i]]))
                a=P[a][i];
    return P[a][0];
}

set<ll>st[200005],st1[200005],st2[200005];

int main(){
	
	cin >> n >> m >> q;
	
	for(int i=1; i<n; i++){
		cin >> xx >> yy;
		v[xx].pb(yy);
		v[yy].pb(xx);
	}
	
	dfs(1,1);
	
	for(int i=1; i<=m; i++){
		cin >> a[i];
	}
	
	for(int i=1; i<=m; i++){
		xx = i;
		yy = a[i];
			st[yy].insert(xx);
			if(xx != 1){
				ll pp = lca(a[xx],a[xx-1]);
				pp = lca(yy,a[xx-1]);
				st1[pp].insert(xx-1);
			}
			if(xx != m){
				ll pp = lca(a[xx],a[xx+1]);
				pp = lca(yy,a[xx+1]);
				st2[pp].insert(xx+1);
			}
			a[xx] = yy;
	}
	
	while(q--){
		cin >> type;
		if(type == 1){
			cin >> xx >> yy;
			st[a[xx]].erase(st[a[xx]].find(xx));
			st[yy].insert(xx);
			if(xx != m){
				ll pp = lca(a[xx],a[xx+1]);
				st1[pp].erase(st1[pp].find(xx));
				pp = lca(yy,a[xx+1]);
				st1[pp].insert(xx);
			}
			if(xx != 1){
				ll pp = lca(a[xx],a[xx-1]);
				st1[pp].erase(st1[pp].find(xx-1));
				pp = lca(yy,a[xx-1]);
				st1[pp].insert(xx-1);
			}
			a[xx] = yy;
		}
		else {
			cin >> l >> r >> pa;
			if(st[pa].lower_bound(l) != st[pa].end()){
				if(*(st[pa].lower_bound(l)) <= r){
					cout << *(st[pa].lower_bound(l)) << " " << *(st[pa].lower_bound(l)) << endl;
					continue;
				}
			}
			
			if(st1[pa].lower_bound(l) != st1[pa].end()){
				if(*(st1[pa].lower_bound(l)) < r){
					cout << *(st1[pa].lower_bound(l))<< " " << *(st1[pa].lower_bound(l)) + 1<< endl;
					continue;
				}
			}
			
			cout <<"-1 -1\n";
		}
	}
	
	
	
	
	return 0;
}

Compilation message

treearray.cpp: In function 'void dfs(int, int)':
treearray.cpp:20:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i=0;i<v[u].size();i++)
                  ~^~~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 26 ms 33244 KB n=5
2 Correct 26 ms 33276 KB n=100
3 Correct 27 ms 33352 KB n=100
4 Correct 27 ms 33372 KB n=100
5 Correct 27 ms 33452 KB n=100
6 Correct 26 ms 33484 KB n=100
7 Correct 27 ms 33484 KB n=100
8 Correct 27 ms 33536 KB n=100
9 Correct 27 ms 33540 KB n=100
10 Correct 32 ms 33672 KB n=100
11 Correct 26 ms 33672 KB n=100
12 Correct 26 ms 33672 KB n=100
13 Correct 31 ms 33672 KB n=100
14 Correct 31 ms 33672 KB n=100
15 Correct 26 ms 33672 KB n=100
16 Correct 26 ms 33672 KB n=100
17 Correct 31 ms 33672 KB n=100
18 Correct 31 ms 33672 KB n=100
19 Correct 31 ms 33672 KB n=100
20 Correct 31 ms 33672 KB n=100
21 Correct 32 ms 33672 KB n=100
22 Correct 27 ms 33672 KB n=100
23 Correct 32 ms 33672 KB n=100
24 Correct 27 ms 33672 KB n=100
25 Correct 27 ms 33672 KB n=100
26 Correct 26 ms 33672 KB n=12
27 Correct 28 ms 33672 KB n=100
# 결과 실행 시간 메모리 Grader output
1 Correct 26 ms 33244 KB n=5
2 Correct 26 ms 33276 KB n=100
3 Correct 27 ms 33352 KB n=100
4 Correct 27 ms 33372 KB n=100
5 Correct 27 ms 33452 KB n=100
6 Correct 26 ms 33484 KB n=100
7 Correct 27 ms 33484 KB n=100
8 Correct 27 ms 33536 KB n=100
9 Correct 27 ms 33540 KB n=100
10 Correct 32 ms 33672 KB n=100
11 Correct 26 ms 33672 KB n=100
12 Correct 26 ms 33672 KB n=100
13 Correct 31 ms 33672 KB n=100
14 Correct 31 ms 33672 KB n=100
15 Correct 26 ms 33672 KB n=100
16 Correct 26 ms 33672 KB n=100
17 Correct 31 ms 33672 KB n=100
18 Correct 31 ms 33672 KB n=100
19 Correct 31 ms 33672 KB n=100
20 Correct 31 ms 33672 KB n=100
21 Correct 32 ms 33672 KB n=100
22 Correct 27 ms 33672 KB n=100
23 Correct 32 ms 33672 KB n=100
24 Correct 27 ms 33672 KB n=100
25 Correct 27 ms 33672 KB n=100
26 Correct 26 ms 33672 KB n=12
27 Correct 28 ms 33672 KB n=100
28 Correct 28 ms 33672 KB n=500
29 Correct 33 ms 33748 KB n=500
30 Correct 33 ms 33764 KB n=500
31 Correct 33 ms 33780 KB n=500
32 Correct 33 ms 33780 KB n=500
33 Correct 35 ms 33808 KB n=500
34 Correct 32 ms 33808 KB n=500
35 Correct 33 ms 33836 KB n=500
36 Correct 33 ms 33852 KB n=500
37 Correct 30 ms 33852 KB n=500
38 Correct 28 ms 33876 KB n=500
39 Correct 29 ms 33888 KB n=500
40 Correct 42 ms 33904 KB n=500
41 Correct 33 ms 33920 KB n=500
42 Correct 29 ms 33920 KB n=500
43 Correct 33 ms 33920 KB n=500
44 Correct 34 ms 33940 KB n=500
45 Correct 33 ms 33940 KB n=500
46 Correct 28 ms 33984 KB n=500
47 Correct 28 ms 34000 KB n=500
48 Correct 27 ms 34016 KB n=500
49 Correct 28 ms 34024 KB n=500
50 Correct 28 ms 34044 KB n=500
51 Correct 28 ms 34056 KB n=500
52 Correct 28 ms 34076 KB n=500
53 Correct 28 ms 34088 KB n=500
54 Correct 28 ms 34104 KB n=500
55 Correct 27 ms 34104 KB n=278
56 Correct 28 ms 34124 KB n=500
57 Correct 28 ms 34136 KB n=500
58 Correct 30 ms 34148 KB n=500
# 결과 실행 시간 메모리 Grader output
1 Correct 26 ms 33244 KB n=5
2 Correct 26 ms 33276 KB n=100
3 Correct 27 ms 33352 KB n=100
4 Correct 27 ms 33372 KB n=100
5 Correct 27 ms 33452 KB n=100
6 Correct 26 ms 33484 KB n=100
7 Correct 27 ms 33484 KB n=100
8 Correct 27 ms 33536 KB n=100
9 Correct 27 ms 33540 KB n=100
10 Correct 32 ms 33672 KB n=100
11 Correct 26 ms 33672 KB n=100
12 Correct 26 ms 33672 KB n=100
13 Correct 31 ms 33672 KB n=100
14 Correct 31 ms 33672 KB n=100
15 Correct 26 ms 33672 KB n=100
16 Correct 26 ms 33672 KB n=100
17 Correct 31 ms 33672 KB n=100
18 Correct 31 ms 33672 KB n=100
19 Correct 31 ms 33672 KB n=100
20 Correct 31 ms 33672 KB n=100
21 Correct 32 ms 33672 KB n=100
22 Correct 27 ms 33672 KB n=100
23 Correct 32 ms 33672 KB n=100
24 Correct 27 ms 33672 KB n=100
25 Correct 27 ms 33672 KB n=100
26 Correct 26 ms 33672 KB n=12
27 Correct 28 ms 33672 KB n=100
28 Correct 28 ms 33672 KB n=500
29 Correct 33 ms 33748 KB n=500
30 Correct 33 ms 33764 KB n=500
31 Correct 33 ms 33780 KB n=500
32 Correct 33 ms 33780 KB n=500
33 Correct 35 ms 33808 KB n=500
34 Correct 32 ms 33808 KB n=500
35 Correct 33 ms 33836 KB n=500
36 Correct 33 ms 33852 KB n=500
37 Correct 30 ms 33852 KB n=500
38 Correct 28 ms 33876 KB n=500
39 Correct 29 ms 33888 KB n=500
40 Correct 42 ms 33904 KB n=500
41 Correct 33 ms 33920 KB n=500
42 Correct 29 ms 33920 KB n=500
43 Correct 33 ms 33920 KB n=500
44 Correct 34 ms 33940 KB n=500
45 Correct 33 ms 33940 KB n=500
46 Correct 28 ms 33984 KB n=500
47 Correct 28 ms 34000 KB n=500
48 Correct 27 ms 34016 KB n=500
49 Correct 28 ms 34024 KB n=500
50 Correct 28 ms 34044 KB n=500
51 Correct 28 ms 34056 KB n=500
52 Correct 28 ms 34076 KB n=500
53 Correct 28 ms 34088 KB n=500
54 Correct 28 ms 34104 KB n=500
55 Correct 27 ms 34104 KB n=278
56 Correct 28 ms 34124 KB n=500
57 Correct 28 ms 34136 KB n=500
58 Correct 30 ms 34148 KB n=500
59 Correct 33 ms 34548 KB n=2000
60 Correct 34 ms 34728 KB n=2000
61 Correct 38 ms 34728 KB n=2000
62 Correct 39 ms 34728 KB n=2000
63 Correct 40 ms 34728 KB n=2000
64 Correct 40 ms 34828 KB n=2000
65 Correct 39 ms 34900 KB n=2000
66 Correct 40 ms 34968 KB n=2000
67 Correct 40 ms 35040 KB n=2000
68 Correct 39 ms 35096 KB n=2000
69 Correct 35 ms 35172 KB n=2000
70 Correct 35 ms 35204 KB n=2000
71 Correct 35 ms 35260 KB n=2000
72 Correct 35 ms 35308 KB n=2000
73 Correct 35 ms 35364 KB n=2000
74 Correct 34 ms 35420 KB n=1844
75 Correct 34 ms 35464 KB n=2000
76 Correct 41 ms 35564 KB n=2000
77 Correct 40 ms 35612 KB n=2000
78 Correct 39 ms 35624 KB n=2000
79 Correct 39 ms 35680 KB n=2000
80 Correct 39 ms 35808 KB n=2000
81 Correct 40 ms 35808 KB n=2000
82 Correct 40 ms 35808 KB n=2000
83 Correct 41 ms 35884 KB n=2000
84 Correct 40 ms 35940 KB n=2000
85 Correct 40 ms 36068 KB n=2000
86 Correct 40 ms 36068 KB n=2000
87 Correct 39 ms 36108 KB n=2000
88 Correct 38 ms 36284 KB n=2000
89 Correct 34 ms 36332 KB n=2000
90 Correct 34 ms 36388 KB n=2000
91 Correct 35 ms 36388 KB n=2000
# 결과 실행 시간 메모리 Grader output
1 Correct 26 ms 33244 KB n=5
2 Correct 26 ms 33276 KB n=100
3 Correct 27 ms 33352 KB n=100
4 Correct 27 ms 33372 KB n=100
5 Correct 27 ms 33452 KB n=100
6 Correct 26 ms 33484 KB n=100
7 Correct 27 ms 33484 KB n=100
8 Correct 27 ms 33536 KB n=100
9 Correct 27 ms 33540 KB n=100
10 Correct 32 ms 33672 KB n=100
11 Correct 26 ms 33672 KB n=100
12 Correct 26 ms 33672 KB n=100
13 Correct 31 ms 33672 KB n=100
14 Correct 31 ms 33672 KB n=100
15 Correct 26 ms 33672 KB n=100
16 Correct 26 ms 33672 KB n=100
17 Correct 31 ms 33672 KB n=100
18 Correct 31 ms 33672 KB n=100
19 Correct 31 ms 33672 KB n=100
20 Correct 31 ms 33672 KB n=100
21 Correct 32 ms 33672 KB n=100
22 Correct 27 ms 33672 KB n=100
23 Correct 32 ms 33672 KB n=100
24 Correct 27 ms 33672 KB n=100
25 Correct 27 ms 33672 KB n=100
26 Correct 26 ms 33672 KB n=12
27 Correct 28 ms 33672 KB n=100
28 Correct 28 ms 33672 KB n=500
29 Correct 33 ms 33748 KB n=500
30 Correct 33 ms 33764 KB n=500
31 Correct 33 ms 33780 KB n=500
32 Correct 33 ms 33780 KB n=500
33 Correct 35 ms 33808 KB n=500
34 Correct 32 ms 33808 KB n=500
35 Correct 33 ms 33836 KB n=500
36 Correct 33 ms 33852 KB n=500
37 Correct 30 ms 33852 KB n=500
38 Correct 28 ms 33876 KB n=500
39 Correct 29 ms 33888 KB n=500
40 Correct 42 ms 33904 KB n=500
41 Correct 33 ms 33920 KB n=500
42 Correct 29 ms 33920 KB n=500
43 Correct 33 ms 33920 KB n=500
44 Correct 34 ms 33940 KB n=500
45 Correct 33 ms 33940 KB n=500
46 Correct 28 ms 33984 KB n=500
47 Correct 28 ms 34000 KB n=500
48 Correct 27 ms 34016 KB n=500
49 Correct 28 ms 34024 KB n=500
50 Correct 28 ms 34044 KB n=500
51 Correct 28 ms 34056 KB n=500
52 Correct 28 ms 34076 KB n=500
53 Correct 28 ms 34088 KB n=500
54 Correct 28 ms 34104 KB n=500
55 Correct 27 ms 34104 KB n=278
56 Correct 28 ms 34124 KB n=500
57 Correct 28 ms 34136 KB n=500
58 Correct 30 ms 34148 KB n=500
59 Correct 33 ms 34548 KB n=2000
60 Correct 34 ms 34728 KB n=2000
61 Correct 38 ms 34728 KB n=2000
62 Correct 39 ms 34728 KB n=2000
63 Correct 40 ms 34728 KB n=2000
64 Correct 40 ms 34828 KB n=2000
65 Correct 39 ms 34900 KB n=2000
66 Correct 40 ms 34968 KB n=2000
67 Correct 40 ms 35040 KB n=2000
68 Correct 39 ms 35096 KB n=2000
69 Correct 35 ms 35172 KB n=2000
70 Correct 35 ms 35204 KB n=2000
71 Correct 35 ms 35260 KB n=2000
72 Correct 35 ms 35308 KB n=2000
73 Correct 35 ms 35364 KB n=2000
74 Correct 34 ms 35420 KB n=1844
75 Correct 34 ms 35464 KB n=2000
76 Correct 41 ms 35564 KB n=2000
77 Correct 40 ms 35612 KB n=2000
78 Correct 39 ms 35624 KB n=2000
79 Correct 39 ms 35680 KB n=2000
80 Correct 39 ms 35808 KB n=2000
81 Correct 40 ms 35808 KB n=2000
82 Correct 40 ms 35808 KB n=2000
83 Correct 41 ms 35884 KB n=2000
84 Correct 40 ms 35940 KB n=2000
85 Correct 40 ms 36068 KB n=2000
86 Correct 40 ms 36068 KB n=2000
87 Correct 39 ms 36108 KB n=2000
88 Correct 38 ms 36284 KB n=2000
89 Correct 34 ms 36332 KB n=2000
90 Correct 34 ms 36388 KB n=2000
91 Correct 35 ms 36388 KB n=2000
92 Correct 1590 ms 90520 KB n=200000
93 Correct 2170 ms 96732 KB n=200000
94 Correct 2092 ms 100472 KB n=200000
95 Correct 1584 ms 100472 KB n=200000
96 Correct 1539 ms 100472 KB n=200000
97 Correct 2215 ms 100472 KB n=200000
98 Correct 1515 ms 100472 KB n=200000
99 Correct 1733 ms 100472 KB n=200000
100 Correct 1543 ms 100472 KB n=200000
101 Correct 1972 ms 108296 KB n=200000
102 Correct 1152 ms 108296 KB n=200000
103 Correct 1089 ms 108296 KB n=200000
104 Correct 1113 ms 108296 KB n=200000
105 Correct 1215 ms 108296 KB n=200000
106 Correct 1208 ms 108296 KB n=200000
107 Correct 1229 ms 108296 KB n=200000
108 Correct 1520 ms 108296 KB n=200000
109 Correct 1428 ms 108296 KB n=200000
110 Correct 1410 ms 108296 KB n=200000
111 Correct 1539 ms 108296 KB n=200000
112 Correct 1964 ms 110124 KB n=200000
113 Correct 1825 ms 110124 KB n=200000
114 Correct 1329 ms 110124 KB n=200000
115 Correct 2001 ms 110124 KB n=200000
116 Correct 1544 ms 110124 KB n=200000
117 Correct 1869 ms 110388 KB n=200000
118 Correct 2191 ms 110388 KB n=200000
119 Correct 1445 ms 110388 KB n=200000
120 Correct 1968 ms 113044 KB n=200000
121 Correct 1944 ms 113044 KB n=200000
122 Correct 1997 ms 113384 KB n=200000
123 Correct 1250 ms 113384 KB n=200000
124 Correct 539 ms 113384 KB n=25264