답안 #875888

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
875888	2023-11-20T17:12:52 Z	hqminhuwu	경주 (Race) (IOI11_race)	C++14	100 / 100	377 ms	112888 KB

race

#include <bits/stdc++.h>
#define forr(_a,_b,_c) for(_a = (_b); _a <= (_c); ++_a)
#define ford(_a,_b,_c) for(_a = (_b) + 1; _a --> (_c);)
#define forf(_a,_b,_c) for(_a = (_b); _a < (_c); ++_a)
#define st first
#define nd second
#define ll long long
#define ull unsigned long long
#define pii pair <int,int>
#define pll pair <int,ll>
#define piii pair <int,pii>
#define vi vector <int>
#define pb push_back
#define mp make_pair
#define all(x) begin(x),end(x)
#define file "test"
 
 
using namespace std;
const int N = 2e5 + 5;
const ll oo = 1e9;
const ll mod = 1e9 + 7;
 
map <int,ll> m[N];
vector <pll> a[N];
ll res, f[N], rk[N], dep[N];
ll k;
 
 
void dfs (int u, int p, ll c, int h) {
    m[u][c] = h;
	rk[u] = c;
	dep[u] = h;
	ll need = k + 2 * rk[u];
	for (pii v : a[u]) {
		if (v.st == p) continue;
		dfs (v.st, u, c + v.nd, h + 1);
		if (m[v.st].size() > m[u].size()) 
            swap(m[v.st], m[u]); 
 
		for (pll w : m[v.st]) 
			if (m[u].find(need - w.st) != m[u].end()) 
				res = min(res, m[u][need - w.st] + w.nd - 2 * dep[u]);
		
		for (pll w : m[v.st]) {
			if (m[u].find(w.st) == m[u].end()) 
				m[u].insert(w);
			 else  m[u][w.st] = min(m[u][w.st], w.nd);
		}
	}
}
int n,i,u,v,w;
int best_path (int nn, int kk, int edge[][2], int ww[]){
	res = oo;
    n = nn;
	k = kk;
    if (k == 1)
        return 0;
    forf (i,0,n - 1){
        u = edge[i][0];
		v = edge[i][1];
		w = ww[i];
        a[u].pb({v,w});
        a[v].pb({u,w});
    }
    dfs(0,0,0,0);
    return (res <= n - 1 ? res : -1);
}

Subtask #1
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	20824 KB	Output is correct
2	Correct	5 ms	20828 KB	Output is correct
3	Correct	4 ms	20828 KB	Output is correct
4	Correct	4 ms	20828 KB	Output is correct
5	Correct	4 ms	20828 KB	Output is correct
6	Correct	4 ms	20796 KB	Output is correct
7	Correct	4 ms	20828 KB	Output is correct
8	Correct	4 ms	20828 KB	Output is correct
9	Correct	4 ms	20824 KB	Output is correct
10	Correct	4 ms	20828 KB	Output is correct
11	Correct	4 ms	20828 KB	Output is correct
12	Correct	4 ms	20856 KB	Output is correct
13	Correct	4 ms	20828 KB	Output is correct
14	Correct	5 ms	20824 KB	Output is correct
15	Correct	5 ms	20828 KB	Output is correct
16	Correct	4 ms	20824 KB	Output is correct
17	Correct	4 ms	20824 KB	Output is correct
18	Correct	4 ms	20828 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	20824 KB	Output is correct
2	Correct	5 ms	20828 KB	Output is correct
3	Correct	4 ms	20828 KB	Output is correct
4	Correct	4 ms	20828 KB	Output is correct
5	Correct	4 ms	20828 KB	Output is correct
6	Correct	4 ms	20796 KB	Output is correct
7	Correct	4 ms	20828 KB	Output is correct
8	Correct	4 ms	20828 KB	Output is correct
9	Correct	4 ms	20824 KB	Output is correct
10	Correct	4 ms	20828 KB	Output is correct
11	Correct	4 ms	20828 KB	Output is correct
12	Correct	4 ms	20856 KB	Output is correct
13	Correct	4 ms	20828 KB	Output is correct
14	Correct	5 ms	20824 KB	Output is correct
15	Correct	5 ms	20828 KB	Output is correct
16	Correct	4 ms	20824 KB	Output is correct
17	Correct	4 ms	20824 KB	Output is correct
18	Correct	4 ms	20828 KB	Output is correct
19	Correct	4 ms	20828 KB	Output is correct
20	Correct	4 ms	20828 KB	Output is correct
21	Correct	5 ms	20924 KB	Output is correct
22	Correct	5 ms	21084 KB	Output is correct
23	Correct	5 ms	21084 KB	Output is correct
24	Correct	5 ms	21084 KB	Output is correct
25	Correct	6 ms	21084 KB	Output is correct
26	Correct	5 ms	21084 KB	Output is correct
27	Correct	6 ms	20828 KB	Output is correct
28	Correct	5 ms	21084 KB	Output is correct
29	Correct	6 ms	21080 KB	Output is correct
30	Correct	6 ms	21084 KB	Output is correct
31	Correct	5 ms	21124 KB	Output is correct
32	Correct	6 ms	21084 KB	Output is correct
33	Correct	6 ms	21084 KB	Output is correct
34	Correct	5 ms	21088 KB	Output is correct
35	Correct	5 ms	21084 KB	Output is correct
36	Correct	5 ms	20828 KB	Output is correct
37	Correct	5 ms	20828 KB	Output is correct
38	Correct	5 ms	21084 KB	Output is correct

Subtask #3
22.0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	20824 KB	Output is correct
2	Correct	5 ms	20828 KB	Output is correct
3	Correct	4 ms	20828 KB	Output is correct
4	Correct	4 ms	20828 KB	Output is correct
5	Correct	4 ms	20828 KB	Output is correct
6	Correct	4 ms	20796 KB	Output is correct
7	Correct	4 ms	20828 KB	Output is correct
8	Correct	4 ms	20828 KB	Output is correct
9	Correct	4 ms	20824 KB	Output is correct
10	Correct	4 ms	20828 KB	Output is correct
11	Correct	4 ms	20828 KB	Output is correct
12	Correct	4 ms	20856 KB	Output is correct
13	Correct	4 ms	20828 KB	Output is correct
14	Correct	5 ms	20824 KB	Output is correct
15	Correct	5 ms	20828 KB	Output is correct
16	Correct	4 ms	20824 KB	Output is correct
17	Correct	4 ms	20824 KB	Output is correct
18	Correct	4 ms	20828 KB	Output is correct
19	Correct	99 ms	44628 KB	Output is correct
20	Correct	101 ms	44728 KB	Output is correct
21	Correct	95 ms	44436 KB	Output is correct
22	Correct	110 ms	44044 KB	Output is correct
23	Correct	133 ms	56764 KB	Output is correct
24	Correct	101 ms	46720 KB	Output is correct
25	Correct	88 ms	45476 KB	Output is correct
26	Correct	52 ms	53596 KB	Output is correct
27	Correct	153 ms	56892 KB	Output is correct
28	Correct	260 ms	98640 KB	Output is correct
29	Correct	241 ms	96844 KB	Output is correct
30	Correct	150 ms	56656 KB	Output is correct
31	Correct	143 ms	56544 KB	Output is correct
32	Correct	187 ms	56624 KB	Output is correct
33	Correct	197 ms	61668 KB	Output is correct
34	Correct	297 ms	93668 KB	Output is correct

Subtask #4
57.0 / 57.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	20824 KB	Output is correct
2	Correct	5 ms	20828 KB	Output is correct
3	Correct	4 ms	20828 KB	Output is correct
4	Correct	4 ms	20828 KB	Output is correct
5	Correct	4 ms	20828 KB	Output is correct
6	Correct	4 ms	20796 KB	Output is correct
7	Correct	4 ms	20828 KB	Output is correct
8	Correct	4 ms	20828 KB	Output is correct
9	Correct	4 ms	20824 KB	Output is correct
10	Correct	4 ms	20828 KB	Output is correct
11	Correct	4 ms	20828 KB	Output is correct
12	Correct	4 ms	20856 KB	Output is correct
13	Correct	4 ms	20828 KB	Output is correct
14	Correct	5 ms	20824 KB	Output is correct
15	Correct	5 ms	20828 KB	Output is correct
16	Correct	4 ms	20824 KB	Output is correct
17	Correct	4 ms	20824 KB	Output is correct
18	Correct	4 ms	20828 KB	Output is correct
19	Correct	4 ms	20828 KB	Output is correct
20	Correct	4 ms	20828 KB	Output is correct
21	Correct	5 ms	20924 KB	Output is correct
22	Correct	5 ms	21084 KB	Output is correct
23	Correct	5 ms	21084 KB	Output is correct
24	Correct	5 ms	21084 KB	Output is correct
25	Correct	6 ms	21084 KB	Output is correct
26	Correct	5 ms	21084 KB	Output is correct
27	Correct	6 ms	20828 KB	Output is correct
28	Correct	5 ms	21084 KB	Output is correct
29	Correct	6 ms	21080 KB	Output is correct
30	Correct	6 ms	21084 KB	Output is correct
31	Correct	5 ms	21124 KB	Output is correct
32	Correct	6 ms	21084 KB	Output is correct
33	Correct	6 ms	21084 KB	Output is correct
34	Correct	5 ms	21088 KB	Output is correct
35	Correct	5 ms	21084 KB	Output is correct
36	Correct	5 ms	20828 KB	Output is correct
37	Correct	5 ms	20828 KB	Output is correct
38	Correct	5 ms	21084 KB	Output is correct
39	Correct	99 ms	44628 KB	Output is correct
40	Correct	101 ms	44728 KB	Output is correct
41	Correct	95 ms	44436 KB	Output is correct
42	Correct	110 ms	44044 KB	Output is correct
43	Correct	133 ms	56764 KB	Output is correct
44	Correct	101 ms	46720 KB	Output is correct
45	Correct	88 ms	45476 KB	Output is correct
46	Correct	52 ms	53596 KB	Output is correct
47	Correct	153 ms	56892 KB	Output is correct
48	Correct	260 ms	98640 KB	Output is correct
49	Correct	241 ms	96844 KB	Output is correct
50	Correct	150 ms	56656 KB	Output is correct
51	Correct	143 ms	56544 KB	Output is correct
52	Correct	187 ms	56624 KB	Output is correct
53	Correct	197 ms	61668 KB	Output is correct
54	Correct	297 ms	93668 KB	Output is correct
55	Correct	16 ms	23896 KB	Output is correct
56	Correct	11 ms	22620 KB	Output is correct
57	Correct	62 ms	42572 KB	Output is correct
58	Correct	43 ms	34956 KB	Output is correct
59	Correct	77 ms	60308 KB	Output is correct
60	Correct	227 ms	98652 KB	Output is correct
61	Correct	177 ms	61524 KB	Output is correct
62	Correct	142 ms	57696 KB	Output is correct
63	Correct	186 ms	57848 KB	Output is correct
64	Correct	377 ms	112888 KB	Output is correct
65	Correct	357 ms	110644 KB	Output is correct
66	Correct	272 ms	93956 KB	Output is correct
67	Correct	138 ms	51380 KB	Output is correct
68	Correct	283 ms	74360 KB	Output is correct
69	Correct	302 ms	78928 KB	Output is correct
70	Correct	279 ms	71980 KB	Output is correct

답안 #875888

Compilation message

Subtask #1 9.0 / 9.0

Subtask #2 12.0 / 12.0

Subtask #3 22.0 / 22.0

Subtask #4 57.0 / 57.0

Subtask #1
9.0 / 9.0

Subtask #2
12.0 / 12.0

Subtask #3
22.0 / 22.0

Subtask #4
57.0 / 57.0