답안 #282255

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
282255	2020-08-24T08:13:24 Z	Ccucumber12	꿈 (IOI13_dreaming)	C++17	47 / 100	170 ms	35576 KB

dreaming

#include <bits/stdc++.h>
#include "dreaming.h"
using namespace std;

#define F first
#define S second
#define siz(v) ((int)v.size())
#define rs(n) resize(n)
#define ALL(v) v.begin(),v.end()
#define reset(v) memset((v),0,sizeof(v))
#define EB emplace_back
#define MP make_pair
#define PF push_front
#define PB push_back
#define POB pop_back
#define POF pop_front
#define rep(i,n) for(int i=0;i<(n);i++)
#define rep1(i,n) for(int i=1;i<=(n);i++)
#define REP(i,a,b) for(int i=(a);i<=(b);i++)
#define kiyohime ios::sync_with_stdio(false);cin.tie(0);
#define endl '\n'
#define debug(...) cerr<<#__VA_ARGS__<<" = ";dbg(__VA_ARGS__);

using ll = long long;
using pii = pair<int,int>;
using pll = pair<ll,ll>;
template<typename T> using vec = vector<T>;
template<typename T> using Prior = priority_queue<T>;
template<typename T> using prior = priority_queue<T, vec<T>, greater<T>>;

const int INF = 1e9 + 1;
const ll LLINF = (ll)4*1e18;
const ll MOD = 1e9+7;
const double PI  = 3.14159265358;
const double EPS = 1e-8;
const int xx[8] = {0,1,0,-1,1,1,-1,-1};
const int yy[8] = {1,0,-1,0,1,-1,-1,1};

template<typename T> void dbg(T x){ cerr<<x<<endl; }
template<typename T, typename ...A> void dbg(T x, A ...y){ cerr<<x<<", "; dbg(y...);}

template <typename T>
void printv(vec<T> v, char c = ' ') {
    bool spc = false;
    for(auto i:v)
        if(spc) cout << c << i;
        else    cout << i, spc = true;
    cout << endl;
}

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
template<typename T> void amax(T &a, T b) {if(a < b) a = b;}
template<typename T> void amin(T &a, T b) {if(a > b) a = b;}
void pmod(ll &a, ll b) {a = (a+b)%MOD;}
void mmod(ll &a, ll b) {a = (a-b+MOD)%MOD;}
void tmod(ll &a, ll b) {a = (a*b)%MOD;}
void UNI(vec<int> &v) {sort(ALL(v)); v.rs(unique(ALL(v))-v.begin());}
int getint() {int ret; cin >> ret; return ret;}
ll POW(ll a, ll b) {ll res=1; do{if(b%2)tmod(res,a);tmod(a,a);}while(b>>=1); return res;}
ll getll() {ll ret; cin >> ret; return ret;}

const int MXN = 1000000;
const int N = MXN + 10;

vec<pii> g[N];
int vis[N], par[N], dep[N];
int dis, pt;

void dfs(int x, int p, int v){
	par[x] = p;
	dep[x] = v;
	vis[x] = true;
	for(auto i:g[x]) if(i.F != p)
		dfs(i.F, x, v + i.S);
	if(v > dis) pt = x;
	amax(dis, v);
}


int travelTime(int n, int m, int l, int a[], int b[], int t[]){
	rep(i, m){
		g[a[i]].EB(b[i], t[i]);
		g[b[i]].EB(a[i], t[i]);
	}
	
	vec<int> v;
	int self = 0;
	rep(i, n) if(!vis[i]){
		dis = pt = -1;
		dfs(i, -1, 0);
		
		dis = -1;
		dfs(pt, -1, 0);
		
		int idx = pt, len = INF;
		while(~idx) {
			amin(len, max(dep[idx], dis - dep[idx]));
			idx = par[idx];
		}
		v.EB(len);
		amax(self, dis);
	}
	
	sort(ALL(v), greater<int>());
	if(siz(v) == 1)
		return self;
	else
		return max(self, v[0] + v[1] + l); 
}

Subtask #1
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	92 ms	34168 KB	Output is correct
2	Correct	85 ms	34424 KB	Output is correct
3	Correct	65 ms	30840 KB	Output is correct
4	Correct	24 ms	25344 KB	Output is correct
5	Correct	22 ms	24704 KB	Output is correct
6	Correct	29 ms	26240 KB	Output is correct
7	Correct	16 ms	23808 KB	Output is correct
8	Correct	44 ms	27640 KB	Output is correct
9	Correct	51 ms	29192 KB	Output is correct
10	Correct	16 ms	23936 KB	Output is correct
11	Correct	80 ms	30968 KB	Output is correct
12	Correct	89 ms	32640 KB	Output is correct
13	Correct	18 ms	23936 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	92 ms	34168 KB	Output is correct
2	Correct	85 ms	34424 KB	Output is correct
3	Correct	65 ms	30840 KB	Output is correct
4	Correct	24 ms	25344 KB	Output is correct
5	Correct	22 ms	24704 KB	Output is correct
6	Correct	29 ms	26240 KB	Output is correct
7	Correct	16 ms	23808 KB	Output is correct
8	Correct	44 ms	27640 KB	Output is correct
9	Correct	51 ms	29192 KB	Output is correct
10	Correct	16 ms	23936 KB	Output is correct
11	Correct	80 ms	30968 KB	Output is correct
12	Correct	89 ms	32640 KB	Output is correct
13	Correct	18 ms	23936 KB	Output is correct
14	Correct	16 ms	23808 KB	Output is correct
15	Correct	16 ms	23808 KB	Output is correct
16	Correct	16 ms	23808 KB	Output is correct
17	Correct	16 ms	23808 KB	Output is correct
18	Correct	16 ms	23808 KB	Output is correct
19	Correct	16 ms	23808 KB	Output is correct
20	Correct	16 ms	23808 KB	Output is correct
21	Correct	16 ms	23808 KB	Output is correct
22	Correct	17 ms	23808 KB	Output is correct
23	Correct	16 ms	23808 KB	Output is correct
24	Correct	18 ms	23936 KB	Output is correct
25	Correct	16 ms	23808 KB	Output is correct
26	Correct	16 ms	23808 KB	Output is correct
27	Correct	16 ms	23808 KB	Output is correct
28	Correct	18 ms	23936 KB	Output is correct
29	Correct	16 ms	23808 KB	Output is correct
30	Correct	16 ms	23900 KB	Output is correct
31	Correct	16 ms	23936 KB	Output is correct
32	Correct	16 ms	23808 KB	Output is correct
33	Correct	16 ms	23808 KB	Output is correct
34	Correct	16 ms	23808 KB	Output is correct
35	Correct	16 ms	23808 KB	Output is correct
36	Correct	16 ms	23808 KB	Output is correct
37	Correct	17 ms	23936 KB	Output is correct
38	Correct	18 ms	23808 KB	Output is correct

Subtask #3
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	92 ms	34168 KB	Output is correct
2	Correct	85 ms	34424 KB	Output is correct
3	Correct	65 ms	30840 KB	Output is correct
4	Correct	24 ms	25344 KB	Output is correct
5	Correct	22 ms	24704 KB	Output is correct
6	Correct	29 ms	26240 KB	Output is correct
7	Correct	16 ms	23808 KB	Output is correct
8	Correct	44 ms	27640 KB	Output is correct
9	Correct	51 ms	29192 KB	Output is correct
10	Correct	16 ms	23936 KB	Output is correct
11	Correct	80 ms	30968 KB	Output is correct
12	Correct	89 ms	32640 KB	Output is correct
13	Correct	18 ms	23936 KB	Output is correct
14	Correct	16 ms	23808 KB	Output is correct
15	Correct	16 ms	23808 KB	Output is correct
16	Correct	16 ms	23808 KB	Output is correct
17	Correct	16 ms	23808 KB	Output is correct
18	Correct	16 ms	23808 KB	Output is correct
19	Correct	16 ms	23808 KB	Output is correct
20	Correct	16 ms	23808 KB	Output is correct
21	Correct	16 ms	23808 KB	Output is correct
22	Correct	17 ms	23808 KB	Output is correct
23	Correct	16 ms	23808 KB	Output is correct
24	Correct	18 ms	23936 KB	Output is correct
25	Correct	16 ms	23808 KB	Output is correct
26	Correct	16 ms	23808 KB	Output is correct
27	Correct	16 ms	23808 KB	Output is correct
28	Correct	18 ms	23936 KB	Output is correct
29	Correct	16 ms	23808 KB	Output is correct
30	Correct	16 ms	23900 KB	Output is correct
31	Correct	16 ms	23936 KB	Output is correct
32	Correct	16 ms	23808 KB	Output is correct
33	Correct	16 ms	23808 KB	Output is correct
34	Correct	16 ms	23808 KB	Output is correct
35	Correct	16 ms	23808 KB	Output is correct
36	Correct	16 ms	23808 KB	Output is correct
37	Correct	17 ms	23936 KB	Output is correct
38	Correct	18 ms	23808 KB	Output is correct
39	Correct	78 ms	34276 KB	Output is correct
40	Correct	76 ms	34296 KB	Output is correct
41	Correct	57 ms	30840 KB	Output is correct
42	Correct	36 ms	25472 KB	Output is correct
43	Correct	17 ms	23936 KB	Output is correct
44	Correct	16 ms	23808 KB	Output is correct
45	Correct	20 ms	23808 KB	Output is correct
46	Correct	20 ms	23808 KB	Output is correct
47	Correct	17 ms	23808 KB	Output is correct
48	Correct	16 ms	23808 KB	Output is correct
49	Correct	17 ms	23808 KB	Output is correct
50	Correct	20 ms	23808 KB	Output is correct
51	Correct	17 ms	23808 KB	Output is correct
52	Correct	16 ms	23808 KB	Output is correct
53	Correct	16 ms	23808 KB	Output is correct
54	Correct	16 ms	23808 KB	Output is correct
55	Correct	16 ms	23808 KB	Output is correct
56	Correct	16 ms	23808 KB	Output is correct
57	Correct	159 ms	31480 KB	Output is correct
58	Correct	170 ms	31480 KB	Output is correct
59	Correct	116 ms	31480 KB	Output is correct
60	Correct	138 ms	31480 KB	Output is correct
61	Correct	105 ms	31480 KB	Output is correct
62	Correct	108 ms	31480 KB	Output is correct
63	Correct	96 ms	31224 KB	Output is correct
64	Correct	102 ms	31224 KB	Output is correct
65	Correct	104 ms	31480 KB	Output is correct
66	Correct	97 ms	31480 KB	Output is correct
67	Correct	103 ms	31352 KB	Output is correct
68	Correct	125 ms	31512 KB	Output is correct
69	Correct	116 ms	31736 KB	Output is correct
70	Correct	129 ms	31736 KB	Output is correct
71	Correct	17 ms	23808 KB	Output is correct
72	Correct	19 ms	24064 KB	Output is correct
73	Correct	19 ms	24192 KB	Output is correct
74	Correct	18 ms	24064 KB	Output is correct
75	Correct	22 ms	24064 KB	Output is correct
76	Correct	18 ms	24064 KB	Output is correct
77	Correct	18 ms	24064 KB	Output is correct
78	Correct	18 ms	24064 KB	Output is correct
79	Correct	19 ms	24064 KB	Output is correct
80	Correct	110 ms	31444 KB	Output is correct
81	Correct	109 ms	31352 KB	Output is correct
82	Correct	118 ms	31608 KB	Output is correct
83	Correct	107 ms	31480 KB	Output is correct
84	Correct	17 ms	24064 KB	Output is correct
85	Correct	18 ms	23936 KB	Output is correct
86	Correct	19 ms	24064 KB	Output is correct
87	Correct	19 ms	24064 KB	Output is correct
88	Correct	16 ms	24040 KB	Output is correct
89	Correct	16 ms	24064 KB	Output is correct
90	Correct	16 ms	24064 KB	Output is correct
91	Correct	16 ms	24064 KB	Output is correct
92	Correct	19 ms	24064 KB	Output is correct
93	Correct	15 ms	24064 KB	Output is correct
94	Correct	14 ms	23808 KB	Output is correct
95	Correct	16 ms	23808 KB	Output is correct
96	Correct	14 ms	23808 KB	Output is correct
97	Correct	15 ms	23808 KB	Output is correct
98	Correct	15 ms	23808 KB	Output is correct
99	Correct	15 ms	23808 KB	Output is correct
100	Correct	15 ms	23808 KB	Output is correct
101	Correct	18 ms	23808 KB	Output is correct
102	Correct	18 ms	23808 KB	Output is correct
103	Correct	15 ms	23808 KB	Output is correct
104	Correct	22 ms	24704 KB	Output is correct
105	Correct	29 ms	26232 KB	Output is correct
106	Correct	15 ms	23808 KB	Output is correct
107	Correct	44 ms	27640 KB	Output is correct
108	Correct	52 ms	29176 KB	Output is correct
109	Correct	18 ms	23936 KB	Output is correct
110	Correct	83 ms	31096 KB	Output is correct
111	Correct	90 ms	32508 KB	Output is correct
112	Correct	14 ms	23936 KB	Output is correct
113	Correct	134 ms	35576 KB	Output is correct

Subtask #4
0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Correct	43 ms	28028 KB	Output is correct
2	Incorrect	43 ms	28024 KB	Output isn't correct
3	Halted	0 ms	0 KB	-

Subtask #5
0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	92 ms	34168 KB	Output is correct
2	Correct	85 ms	34424 KB	Output is correct
3	Correct	65 ms	30840 KB	Output is correct
4	Correct	24 ms	25344 KB	Output is correct
5	Correct	22 ms	24704 KB	Output is correct
6	Correct	29 ms	26240 KB	Output is correct
7	Correct	16 ms	23808 KB	Output is correct
8	Correct	44 ms	27640 KB	Output is correct
9	Correct	51 ms	29192 KB	Output is correct
10	Correct	16 ms	23936 KB	Output is correct
11	Correct	80 ms	30968 KB	Output is correct
12	Correct	89 ms	32640 KB	Output is correct
13	Correct	18 ms	23936 KB	Output is correct
14	Correct	15 ms	23936 KB	Output is correct
15	Correct	17 ms	23936 KB	Output is correct
16	Correct	29 ms	24064 KB	Output is correct
17	Correct	18 ms	23936 KB	Output is correct
18	Correct	17 ms	23936 KB	Output is correct
19	Correct	17 ms	24064 KB	Output is correct
20	Incorrect	15 ms	23936 KB	Output isn't correct
21	Halted	0 ms	0 KB	-

Subtask #6
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	92 ms	34168 KB	Output is correct
2	Correct	85 ms	34424 KB	Output is correct
3	Correct	65 ms	30840 KB	Output is correct
4	Correct	24 ms	25344 KB	Output is correct
5	Correct	22 ms	24704 KB	Output is correct
6	Correct	29 ms	26240 KB	Output is correct
7	Correct	16 ms	23808 KB	Output is correct
8	Correct	44 ms	27640 KB	Output is correct
9	Correct	51 ms	29192 KB	Output is correct
10	Correct	16 ms	23936 KB	Output is correct
11	Correct	80 ms	30968 KB	Output is correct
12	Correct	89 ms	32640 KB	Output is correct
13	Correct	18 ms	23936 KB	Output is correct
14	Correct	16 ms	23808 KB	Output is correct
15	Correct	16 ms	23808 KB	Output is correct
16	Correct	16 ms	23808 KB	Output is correct
17	Correct	16 ms	23808 KB	Output is correct
18	Correct	16 ms	23808 KB	Output is correct
19	Correct	16 ms	23808 KB	Output is correct
20	Correct	16 ms	23808 KB	Output is correct
21	Correct	16 ms	23808 KB	Output is correct
22	Correct	17 ms	23808 KB	Output is correct
23	Correct	16 ms	23808 KB	Output is correct
24	Correct	18 ms	23936 KB	Output is correct
25	Correct	16 ms	23808 KB	Output is correct
26	Correct	16 ms	23808 KB	Output is correct
27	Correct	16 ms	23808 KB	Output is correct
28	Correct	18 ms	23936 KB	Output is correct
29	Correct	16 ms	23808 KB	Output is correct
30	Correct	16 ms	23900 KB	Output is correct
31	Correct	16 ms	23936 KB	Output is correct
32	Correct	16 ms	23808 KB	Output is correct
33	Correct	16 ms	23808 KB	Output is correct
34	Correct	16 ms	23808 KB	Output is correct
35	Correct	16 ms	23808 KB	Output is correct
36	Correct	16 ms	23808 KB	Output is correct
37	Correct	17 ms	23936 KB	Output is correct
38	Correct	18 ms	23808 KB	Output is correct
39	Correct	78 ms	34276 KB	Output is correct
40	Correct	76 ms	34296 KB	Output is correct
41	Correct	57 ms	30840 KB	Output is correct
42	Correct	36 ms	25472 KB	Output is correct
43	Correct	17 ms	23936 KB	Output is correct
44	Correct	16 ms	23808 KB	Output is correct
45	Correct	20 ms	23808 KB	Output is correct
46	Correct	20 ms	23808 KB	Output is correct
47	Correct	17 ms	23808 KB	Output is correct
48	Correct	16 ms	23808 KB	Output is correct
49	Correct	17 ms	23808 KB	Output is correct
50	Correct	20 ms	23808 KB	Output is correct
51	Correct	17 ms	23808 KB	Output is correct
52	Correct	16 ms	23808 KB	Output is correct
53	Correct	16 ms	23808 KB	Output is correct
54	Correct	16 ms	23808 KB	Output is correct
55	Correct	16 ms	23808 KB	Output is correct
56	Correct	16 ms	23808 KB	Output is correct
57	Correct	159 ms	31480 KB	Output is correct
58	Correct	170 ms	31480 KB	Output is correct
59	Correct	116 ms	31480 KB	Output is correct
60	Correct	138 ms	31480 KB	Output is correct
61	Correct	105 ms	31480 KB	Output is correct
62	Correct	108 ms	31480 KB	Output is correct
63	Correct	96 ms	31224 KB	Output is correct
64	Correct	102 ms	31224 KB	Output is correct
65	Correct	104 ms	31480 KB	Output is correct
66	Correct	97 ms	31480 KB	Output is correct
67	Correct	103 ms	31352 KB	Output is correct
68	Correct	125 ms	31512 KB	Output is correct
69	Correct	116 ms	31736 KB	Output is correct
70	Correct	129 ms	31736 KB	Output is correct
71	Correct	17 ms	23808 KB	Output is correct
72	Correct	19 ms	24064 KB	Output is correct
73	Correct	19 ms	24192 KB	Output is correct
74	Correct	18 ms	24064 KB	Output is correct
75	Correct	22 ms	24064 KB	Output is correct
76	Correct	18 ms	24064 KB	Output is correct
77	Correct	18 ms	24064 KB	Output is correct
78	Correct	18 ms	24064 KB	Output is correct
79	Correct	19 ms	24064 KB	Output is correct
80	Correct	110 ms	31444 KB	Output is correct
81	Correct	109 ms	31352 KB	Output is correct
82	Correct	118 ms	31608 KB	Output is correct
83	Correct	107 ms	31480 KB	Output is correct
84	Correct	17 ms	24064 KB	Output is correct
85	Correct	18 ms	23936 KB	Output is correct
86	Correct	19 ms	24064 KB	Output is correct
87	Correct	19 ms	24064 KB	Output is correct
88	Correct	16 ms	24040 KB	Output is correct
89	Correct	16 ms	24064 KB	Output is correct
90	Correct	16 ms	24064 KB	Output is correct
91	Correct	16 ms	24064 KB	Output is correct
92	Correct	19 ms	24064 KB	Output is correct
93	Correct	15 ms	24064 KB	Output is correct
94	Correct	14 ms	23808 KB	Output is correct
95	Correct	16 ms	23808 KB	Output is correct
96	Correct	14 ms	23808 KB	Output is correct
97	Correct	15 ms	23808 KB	Output is correct
98	Correct	15 ms	23808 KB	Output is correct
99	Correct	15 ms	23808 KB	Output is correct
100	Correct	15 ms	23808 KB	Output is correct
101	Correct	18 ms	23808 KB	Output is correct
102	Correct	18 ms	23808 KB	Output is correct
103	Correct	15 ms	23808 KB	Output is correct
104	Correct	22 ms	24704 KB	Output is correct
105	Correct	29 ms	26232 KB	Output is correct
106	Correct	15 ms	23808 KB	Output is correct
107	Correct	44 ms	27640 KB	Output is correct
108	Correct	52 ms	29176 KB	Output is correct
109	Correct	18 ms	23936 KB	Output is correct
110	Correct	83 ms	31096 KB	Output is correct
111	Correct	90 ms	32508 KB	Output is correct
112	Correct	14 ms	23936 KB	Output is correct
113	Correct	134 ms	35576 KB	Output is correct
114	Correct	43 ms	28028 KB	Output is correct
115	Incorrect	43 ms	28024 KB	Output isn't correct
116	Halted	0 ms	0 KB	-

답안 #282255

Compilation message

Subtask #1 14.0 / 14.0

Subtask #2 10.0 / 10.0

Subtask #3 23.0 / 23.0

Subtask #4 0 / 18.0

Subtask #5 0 / 12.0

Subtask #6 0 / 23.0

Subtask #1
14.0 / 14.0

Subtask #2
10.0 / 10.0

Subtask #3
23.0 / 23.0

Subtask #4
0 / 18.0

Subtask #5
0 / 12.0

Subtask #6
0 / 23.0