답안 #84466 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
84466	2018-11-15T10:25:26 Z	inom	Birthday gift (IZhO18_treearray)	C++14	56 / 100	1538 ms	140912 KB

treearray

#include<bits/stdc++.h>

#define pb push_back

using namespace std;

#pragma GCC optimize("Ofast")
#pragma GCC optimize("no-stack-protector")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("sse,sse2,sse3,ssse3,popcnt,abm,mmx,tune=native")
#pragma GCC optimize("fast-math")
#pragma warning(disable : 4996)

const int N = 2 * 1e5 + 10;

int n, m, q;
int node[N];
vector<int> verr[N];
int l = 1, timer = 1;
int tin[N], tout[N];
int up[N][20];
set<int> lca[N], pos[N];

void dfs(int x, int pr = 1) {
    tin[x] = timer; timer++;
    up[x][0] = pr;
    for (int i = 1; i <= l; i++) {
        up[x][i] = up[up[x][i - 1]][i - 1];
    }
    for (auto i: verr[x]) {
        if (i != pr) {
            dfs(i, x);
        }
    }
    tout[x] = timer; timer++;
}

bool upper(int x, int y) {
    return tin[x] <= tin[y] && tout[x] >= tout[y];
}

int get_lca(int x, int y) {
    if (upper(x, y)) {
        return x;
    }
    else if (upper(y, x)) {
        return y;
    }
    else {
        for (int i = l; i >= 0; i--) {
            if (!upper(up[x][i], y)) {
                x = up[x][i];
            }
        }
        return up[x][0];
    }
}

int main() {
    ios_base::sync_with_stdio(false);
    scanf("%d %d %d", &n, &m, &q);
    for (int i = 1; i <= n - 1; i++) {
        int x, y;
        scanf("%d %d", &x, &y);
        verr[x].pb(y); verr[y].pb(x);
    }
    for (int i = 1; i <= n; i++) {
        lca[i].insert(m + 1); pos[i].insert(m + 1);
    }
    while ((1<<l) <= n) {
        l++;
    }
    dfs(1);
    for (int i = 1; i <= m; i++) {
        scanf("%d", &node[i]);
        pos[node[i]].insert(i);
        if (i > 1) {    
            int x = get_lca(node[i], node[i - 1]);
            lca[x].insert(i - 1);
        }
    }
    for (int i = 1; i <= q; i++) {
        int t;
        scanf("%d", &t);
        if (t == 1) {
            int x, y;
            scanf("%d %d", &x, &y);
            pos[node[x]].erase(x);
            if (x > 1) {
                int cur = get_lca(node[x], node[x - 1]);
                lca[cur].erase(x - 1);
            }
            if (x + 1 <= n) {
                int cur = get_lca(node[x], node[x + 1]);
                lca[cur].erase(x);
            }

            node[x] = y;
            pos[node[x]].insert(x);
            if (x > 1) {
                int cur = get_lca(node[x], node[x - 1]);
                lca[cur].insert(x - 1);
            }
            if (x + 1 <= n) {
                int cur = get_lca(node[x], node[x + 1]);
                lca[cur].insert(x);
            }
        }
        else {
            int l, r, v;
            scanf("%d %d %d", &l, &r, &v);
            auto f = pos[v].lower_bound(l), s = lca[v].lower_bound(l);
            if (f != pos[v].end() && *f <= r) {
                printf("%d %d\n", *f, *f);
            }
            else if (s != lca[v].end() && *s + 1 <= r) {
                printf("%d %d\n", *s, *s + 1);
            }
            else {
                printf("-1 -1\n");
            }
        }
    }
    return 0;
}

Compilation message

treearray.cpp:12:0: warning: ignoring #pragma warning  [-Wunknown-pragmas]
 #pragma warning(disable : 4996)
 
treearray.cpp: In function 'int main()':
treearray.cpp:61:10: 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:64:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d", &x, &y);
         ~~~~~^~~~~~~~~~~~~~~~~
treearray.cpp:75:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &node[i]);
         ~~~~~^~~~~~~~~~~~~~~~
treearray.cpp:84:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &t);
         ~~~~~^~~~~~~~~~
treearray.cpp:87:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d %d", &x, &y);
             ~~~~~^~~~~~~~~~~~~~~~~
treearray.cpp:111:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d %d %d", &l, &r, &v);
             ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	23 ms	23800 KB	n=5
2	Correct	24 ms	24084 KB	n=100
3	Correct	22 ms	24084 KB	n=100
4	Correct	24 ms	24084 KB	n=100
5	Correct	24 ms	24084 KB	n=100
6	Correct	22 ms	24116 KB	n=100
7	Correct	23 ms	24164 KB	n=100
8	Correct	29 ms	24296 KB	n=100
9	Correct	29 ms	24296 KB	n=100
10	Correct	30 ms	24296 KB	n=100
11	Correct	27 ms	24296 KB	n=100
12	Correct	31 ms	24296 KB	n=100
13	Correct	29 ms	24296 KB	n=100
14	Correct	23 ms	24296 KB	n=100
15	Correct	23 ms	24296 KB	n=100
16	Correct	23 ms	24296 KB	n=100
17	Correct	22 ms	24296 KB	n=100
18	Correct	24 ms	24296 KB	n=100
19	Correct	30 ms	24296 KB	n=100
20	Correct	23 ms	24296 KB	n=100
21	Correct	25 ms	24296 KB	n=100
22	Correct	23 ms	24296 KB	n=100
23	Correct	23 ms	24296 KB	n=100
24	Correct	24 ms	24296 KB	n=100
25	Correct	25 ms	24296 KB	n=100
26	Correct	23 ms	24296 KB	n=12
27	Correct	23 ms	24296 KB	n=100

Subtask #2
18.0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Correct	23 ms	23800 KB	n=5
2	Correct	24 ms	24084 KB	n=100
3	Correct	22 ms	24084 KB	n=100
4	Correct	24 ms	24084 KB	n=100
5	Correct	24 ms	24084 KB	n=100
6	Correct	22 ms	24116 KB	n=100
7	Correct	23 ms	24164 KB	n=100
8	Correct	29 ms	24296 KB	n=100
9	Correct	29 ms	24296 KB	n=100
10	Correct	30 ms	24296 KB	n=100
11	Correct	27 ms	24296 KB	n=100
12	Correct	31 ms	24296 KB	n=100
13	Correct	29 ms	24296 KB	n=100
14	Correct	23 ms	24296 KB	n=100
15	Correct	23 ms	24296 KB	n=100
16	Correct	23 ms	24296 KB	n=100
17	Correct	22 ms	24296 KB	n=100
18	Correct	24 ms	24296 KB	n=100
19	Correct	30 ms	24296 KB	n=100
20	Correct	23 ms	24296 KB	n=100
21	Correct	25 ms	24296 KB	n=100
22	Correct	23 ms	24296 KB	n=100
23	Correct	23 ms	24296 KB	n=100
24	Correct	24 ms	24296 KB	n=100
25	Correct	25 ms	24296 KB	n=100
26	Correct	23 ms	24296 KB	n=12
27	Correct	23 ms	24296 KB	n=100
28	Correct	24 ms	24404 KB	n=500
29	Correct	24 ms	24548 KB	n=500
30	Correct	24 ms	24548 KB	n=500
31	Correct	23 ms	24548 KB	n=500
32	Correct	23 ms	24548 KB	n=500
33	Correct	29 ms	24548 KB	n=500
34	Correct	29 ms	24548 KB	n=500
35	Correct	23 ms	24548 KB	n=500
36	Correct	23 ms	24548 KB	n=500
37	Correct	22 ms	24548 KB	n=500
38	Correct	24 ms	24548 KB	n=500
39	Correct	24 ms	24560 KB	n=500
40	Correct	25 ms	24576 KB	n=500
41	Correct	25 ms	24592 KB	n=500
42	Correct	25 ms	24608 KB	n=500
43	Correct	29 ms	24620 KB	n=500
44	Correct	24 ms	24632 KB	n=500
45	Correct	24 ms	24644 KB	n=500
46	Correct	30 ms	24656 KB	n=500
47	Correct	29 ms	24672 KB	n=500
48	Correct	24 ms	24688 KB	n=500
49	Correct	33 ms	24700 KB	n=500
50	Correct	25 ms	24716 KB	n=500
51	Correct	24 ms	24728 KB	n=500
52	Correct	29 ms	24744 KB	n=500
53	Correct	23 ms	24760 KB	n=500
54	Correct	24 ms	24776 KB	n=500
55	Correct	23 ms	24776 KB	n=278
56	Correct	30 ms	24796 KB	n=500
57	Correct	23 ms	24796 KB	n=500
58	Correct	30 ms	24820 KB	n=500

Subtask #3
26.0 / 26.0

#	결과	실행 시간	메모리	Grader output
1	Correct	23 ms	23800 KB	n=5
2	Correct	24 ms	24084 KB	n=100
3	Correct	22 ms	24084 KB	n=100
4	Correct	24 ms	24084 KB	n=100
5	Correct	24 ms	24084 KB	n=100
6	Correct	22 ms	24116 KB	n=100
7	Correct	23 ms	24164 KB	n=100
8	Correct	29 ms	24296 KB	n=100
9	Correct	29 ms	24296 KB	n=100
10	Correct	30 ms	24296 KB	n=100
11	Correct	27 ms	24296 KB	n=100
12	Correct	31 ms	24296 KB	n=100
13	Correct	29 ms	24296 KB	n=100
14	Correct	23 ms	24296 KB	n=100
15	Correct	23 ms	24296 KB	n=100
16	Correct	23 ms	24296 KB	n=100
17	Correct	22 ms	24296 KB	n=100
18	Correct	24 ms	24296 KB	n=100
19	Correct	30 ms	24296 KB	n=100
20	Correct	23 ms	24296 KB	n=100
21	Correct	25 ms	24296 KB	n=100
22	Correct	23 ms	24296 KB	n=100
23	Correct	23 ms	24296 KB	n=100
24	Correct	24 ms	24296 KB	n=100
25	Correct	25 ms	24296 KB	n=100
26	Correct	23 ms	24296 KB	n=12
27	Correct	23 ms	24296 KB	n=100
28	Correct	24 ms	24404 KB	n=500
29	Correct	24 ms	24548 KB	n=500
30	Correct	24 ms	24548 KB	n=500
31	Correct	23 ms	24548 KB	n=500
32	Correct	23 ms	24548 KB	n=500
33	Correct	29 ms	24548 KB	n=500
34	Correct	29 ms	24548 KB	n=500
35	Correct	23 ms	24548 KB	n=500
36	Correct	23 ms	24548 KB	n=500
37	Correct	22 ms	24548 KB	n=500
38	Correct	24 ms	24548 KB	n=500
39	Correct	24 ms	24560 KB	n=500
40	Correct	25 ms	24576 KB	n=500
41	Correct	25 ms	24592 KB	n=500
42	Correct	25 ms	24608 KB	n=500
43	Correct	29 ms	24620 KB	n=500
44	Correct	24 ms	24632 KB	n=500
45	Correct	24 ms	24644 KB	n=500
46	Correct	30 ms	24656 KB	n=500
47	Correct	29 ms	24672 KB	n=500
48	Correct	24 ms	24688 KB	n=500
49	Correct	33 ms	24700 KB	n=500
50	Correct	25 ms	24716 KB	n=500
51	Correct	24 ms	24728 KB	n=500
52	Correct	29 ms	24744 KB	n=500
53	Correct	23 ms	24760 KB	n=500
54	Correct	24 ms	24776 KB	n=500
55	Correct	23 ms	24776 KB	n=278
56	Correct	30 ms	24796 KB	n=500
57	Correct	23 ms	24796 KB	n=500
58	Correct	30 ms	24820 KB	n=500
59	Correct	28 ms	25348 KB	n=2000
60	Correct	27 ms	25400 KB	n=2000
61	Correct	27 ms	25472 KB	n=2000
62	Correct	27 ms	25528 KB	n=2000
63	Correct	29 ms	25600 KB	n=2000
64	Correct	31 ms	25600 KB	n=2000
65	Correct	28 ms	25724 KB	n=2000
66	Correct	28 ms	25776 KB	n=2000
67	Correct	30 ms	25832 KB	n=2000
68	Correct	29 ms	25868 KB	n=2000
69	Correct	32 ms	25868 KB	n=2000
70	Correct	27 ms	25996 KB	n=2000
71	Correct	29 ms	26012 KB	n=2000
72	Correct	26 ms	26116 KB	n=2000
73	Correct	27 ms	26116 KB	n=2000
74	Correct	27 ms	26116 KB	n=1844
75	Correct	27 ms	26192 KB	n=2000
76	Correct	27 ms	26192 KB	n=2000
77	Correct	27 ms	26192 KB	n=2000
78	Correct	35 ms	26192 KB	n=2000
79	Correct	28 ms	26192 KB	n=2000
80	Correct	27 ms	26196 KB	n=2000
81	Correct	28 ms	26196 KB	n=2000
82	Correct	29 ms	26196 KB	n=2000
83	Correct	27 ms	26196 KB	n=2000
84	Correct	28 ms	26196 KB	n=2000
85	Correct	28 ms	26196 KB	n=2000
86	Correct	27 ms	26196 KB	n=2000
87	Correct	27 ms	26196 KB	n=2000
88	Correct	26 ms	26196 KB	n=2000
89	Correct	26 ms	26196 KB	n=2000
90	Correct	27 ms	26324 KB	n=2000
91	Correct	28 ms	26324 KB	n=2000

Subtask #4
0 / 44.0

#	결과	실행 시간	메모리	Grader output
1	Correct	23 ms	23800 KB	n=5
2	Correct	24 ms	24084 KB	n=100
3	Correct	22 ms	24084 KB	n=100
4	Correct	24 ms	24084 KB	n=100
5	Correct	24 ms	24084 KB	n=100
6	Correct	22 ms	24116 KB	n=100
7	Correct	23 ms	24164 KB	n=100
8	Correct	29 ms	24296 KB	n=100
9	Correct	29 ms	24296 KB	n=100
10	Correct	30 ms	24296 KB	n=100
11	Correct	27 ms	24296 KB	n=100
12	Correct	31 ms	24296 KB	n=100
13	Correct	29 ms	24296 KB	n=100
14	Correct	23 ms	24296 KB	n=100
15	Correct	23 ms	24296 KB	n=100
16	Correct	23 ms	24296 KB	n=100
17	Correct	22 ms	24296 KB	n=100
18	Correct	24 ms	24296 KB	n=100
19	Correct	30 ms	24296 KB	n=100
20	Correct	23 ms	24296 KB	n=100
21	Correct	25 ms	24296 KB	n=100
22	Correct	23 ms	24296 KB	n=100
23	Correct	23 ms	24296 KB	n=100
24	Correct	24 ms	24296 KB	n=100
25	Correct	25 ms	24296 KB	n=100
26	Correct	23 ms	24296 KB	n=12
27	Correct	23 ms	24296 KB	n=100
28	Correct	24 ms	24404 KB	n=500
29	Correct	24 ms	24548 KB	n=500
30	Correct	24 ms	24548 KB	n=500
31	Correct	23 ms	24548 KB	n=500
32	Correct	23 ms	24548 KB	n=500
33	Correct	29 ms	24548 KB	n=500
34	Correct	29 ms	24548 KB	n=500
35	Correct	23 ms	24548 KB	n=500
36	Correct	23 ms	24548 KB	n=500
37	Correct	22 ms	24548 KB	n=500
38	Correct	24 ms	24548 KB	n=500
39	Correct	24 ms	24560 KB	n=500
40	Correct	25 ms	24576 KB	n=500
41	Correct	25 ms	24592 KB	n=500
42	Correct	25 ms	24608 KB	n=500
43	Correct	29 ms	24620 KB	n=500
44	Correct	24 ms	24632 KB	n=500
45	Correct	24 ms	24644 KB	n=500
46	Correct	30 ms	24656 KB	n=500
47	Correct	29 ms	24672 KB	n=500
48	Correct	24 ms	24688 KB	n=500
49	Correct	33 ms	24700 KB	n=500
50	Correct	25 ms	24716 KB	n=500
51	Correct	24 ms	24728 KB	n=500
52	Correct	29 ms	24744 KB	n=500
53	Correct	23 ms	24760 KB	n=500
54	Correct	24 ms	24776 KB	n=500
55	Correct	23 ms	24776 KB	n=278
56	Correct	30 ms	24796 KB	n=500
57	Correct	23 ms	24796 KB	n=500
58	Correct	30 ms	24820 KB	n=500
59	Correct	28 ms	25348 KB	n=2000
60	Correct	27 ms	25400 KB	n=2000
61	Correct	27 ms	25472 KB	n=2000
62	Correct	27 ms	25528 KB	n=2000
63	Correct	29 ms	25600 KB	n=2000
64	Correct	31 ms	25600 KB	n=2000
65	Correct	28 ms	25724 KB	n=2000
66	Correct	28 ms	25776 KB	n=2000
67	Correct	30 ms	25832 KB	n=2000
68	Correct	29 ms	25868 KB	n=2000
69	Correct	32 ms	25868 KB	n=2000
70	Correct	27 ms	25996 KB	n=2000
71	Correct	29 ms	26012 KB	n=2000
72	Correct	26 ms	26116 KB	n=2000
73	Correct	27 ms	26116 KB	n=2000
74	Correct	27 ms	26116 KB	n=1844
75	Correct	27 ms	26192 KB	n=2000
76	Correct	27 ms	26192 KB	n=2000
77	Correct	27 ms	26192 KB	n=2000
78	Correct	35 ms	26192 KB	n=2000
79	Correct	28 ms	26192 KB	n=2000
80	Correct	27 ms	26196 KB	n=2000
81	Correct	28 ms	26196 KB	n=2000
82	Correct	29 ms	26196 KB	n=2000
83	Correct	27 ms	26196 KB	n=2000
84	Correct	28 ms	26196 KB	n=2000
85	Correct	28 ms	26196 KB	n=2000
86	Correct	27 ms	26196 KB	n=2000
87	Correct	27 ms	26196 KB	n=2000
88	Correct	26 ms	26196 KB	n=2000
89	Correct	26 ms	26196 KB	n=2000
90	Correct	27 ms	26324 KB	n=2000
91	Correct	28 ms	26324 KB	n=2000
92	Correct	1189 ms	89372 KB	n=200000
93	Correct	1260 ms	92220 KB	n=200000
94	Correct	988 ms	94796 KB	n=200000
95	Correct	1094 ms	94796 KB	n=200000
96	Correct	1113 ms	94796 KB	n=200000
97	Correct	1269 ms	94796 KB	n=200000
98	Correct	1162 ms	94796 KB	n=200000
99	Correct	1212 ms	94796 KB	n=200000
100	Correct	1168 ms	94796 KB	n=200000
101	Correct	900 ms	95764 KB	n=200000
102	Correct	698 ms	95764 KB	n=200000
103	Correct	653 ms	95764 KB	n=200000
104	Correct	690 ms	95764 KB	n=200000
105	Correct	689 ms	95764 KB	n=200000
106	Correct	679 ms	95764 KB	n=200000
107	Correct	725 ms	95764 KB	n=200000
108	Correct	1159 ms	95764 KB	n=200000
109	Correct	1177 ms	95764 KB	n=200000
110	Correct	1194 ms	95764 KB	n=200000
111	Correct	1182 ms	95764 KB	n=200000
112	Correct	937 ms	95764 KB	n=200000
113	Correct	1284 ms	95764 KB	n=200000
114	Correct	1143 ms	95764 KB	n=200000
115	Correct	1538 ms	95764 KB	n=200000
116	Correct	1046 ms	95764 KB	n=200000
117	Correct	860 ms	103636 KB	n=200000
118	Correct	1290 ms	106684 KB	n=200000
119	Correct	1063 ms	112192 KB	n=200000
120	Correct	802 ms	125468 KB	n=200000
121	Correct	865 ms	132760 KB	n=200000
122	Correct	832 ms	139936 KB	n=200000
123	Correct	705 ms	140912 KB	n=200000
124	Incorrect	239 ms	140912 KB	Wrong range.

답안 #84466

Compilation message

Subtask #1 12.0 / 12.0

Subtask #2 18.0 / 18.0

Subtask #3 26.0 / 26.0

Subtask #4 0 / 44.0

Subtask #1
12.0 / 12.0

Subtask #2
18.0 / 18.0

Subtask #3
26.0 / 26.0

Subtask #4
0 / 44.0