답안 #74375 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
74375	2018-08-31T12:48:54 Z	Diuven	장난감 기차 (IOI17_train)	C++14	100 / 100	856 ms	9548 KB

train

#include "train.h"
#include <bits/stdc++.h>
using namespace std;
typedef vector<int> vi;
const int MX=5010;

vector<int> G[MX], H[MX];
int n;
bool tmp[MX];
vi win, A, R;

const vi& find(const vi &S, bool c){
	static bool in[MX]={}; int deg[MX]={};
	static vi T; static queue<int> Q;

	for(int i=0; i<n; i++) in[i]=false, deg[i]=0;
	T.clear();
	for(int i=0; i<n; i++) if(win[i]<0)
		for(int x:G[i]) deg[i]+=win[x]<0;

	for(int x:S) in[x]=true, Q.push(x);

	while(!Q.empty()){
		int v=Q.front(); Q.pop();
		for(int x:H[v]){
			if(in[x] || win[x]>=0) continue;
			if(A[x]==c) in[x]=true, Q.push(x);
			else{
				deg[x]--;
				if(deg[x]==0) in[x]=true, Q.push(x);
			}
		}
	}

	for(int i=0; i<n; i++) if(in[i]) T.push_back(i);

	return T;
}

vi who_wins(vi _A, vi _R, vi U, vi V) {
	n=_A.size(); win.resize(n, -1);
	A=_A, R=_R;

	for(int i=0; i<(int)U.size(); i++){
		G[U[i]].push_back(V[i]);
		H[V[i]].push_back(U[i]);
	}

	vi S, T, X, Y;
	while(true){
		S.clear(), X.clear();
		for(int i=0; i<n; i++) if(R[i] && win[i]<0) S.push_back(i);
		T=find(S, 1);

		for(int i=0; i<n; i++) tmp[i]=win[i]>=0;
		for(int x:T) tmp[x]=true;
		for(int i=0; i<n; i++) if(!tmp[i]) X.push_back(i);

		if(X.empty()){
			for(int x:T) win[x]=1;
			break;
		}
		else{
			Y=find(X, 0);
			for(int x:Y) win[x]=0;
		}
	}

	return win;
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	8 ms	1276 KB	Output is correct
2	Correct	11 ms	1368 KB	Output is correct
3	Correct	10 ms	1496 KB	Output is correct
4	Correct	8 ms	1496 KB	Output is correct
5	Correct	8 ms	1496 KB	Output is correct
6	Correct	7 ms	1592 KB	Output is correct
7	Correct	7 ms	1620 KB	Output is correct
8	Correct	8 ms	1620 KB	Output is correct
9	Correct	8 ms	1620 KB	Output is correct
10	Correct	7 ms	1620 KB	Output is correct
11	Correct	6 ms	1620 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	1620 KB	Output is correct
2	Correct	2 ms	1620 KB	Output is correct
3	Correct	2 ms	1620 KB	Output is correct
4	Correct	2 ms	1620 KB	Output is correct
5	Correct	2 ms	1620 KB	Output is correct
6	Correct	2 ms	1620 KB	Output is correct
7	Correct	2 ms	1620 KB	Output is correct
8	Correct	2 ms	1620 KB	Output is correct
9	Correct	2 ms	1620 KB	Output is correct
10	Correct	2 ms	1620 KB	Output is correct
11	Correct	2 ms	1620 KB	Output is correct
12	Correct	2 ms	1620 KB	Output is correct
13	Correct	2 ms	1620 KB	Output is correct
14	Correct	2 ms	1620 KB	Output is correct
15	Correct	2 ms	1620 KB	Output is correct
16	Correct	3 ms	1620 KB	Output is correct
17	Correct	4 ms	1620 KB	Output is correct
18	Correct	2 ms	1620 KB	Output is correct
19	Correct	2 ms	1620 KB	Output is correct
20	Correct	2 ms	1620 KB	Output is correct

Subtask #3
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	148 ms	2028 KB	Output is correct
2	Correct	302 ms	2028 KB	Output is correct
3	Correct	407 ms	2028 KB	Output is correct
4	Correct	13 ms	2028 KB	Output is correct
5	Correct	15 ms	2028 KB	Output is correct
6	Correct	15 ms	2156 KB	Output is correct
7	Correct	12 ms	2364 KB	Output is correct
8	Correct	13 ms	2572 KB	Output is correct
9	Correct	15 ms	2780 KB	Output is correct
10	Correct	14 ms	2844 KB	Output is correct
11	Correct	13 ms	3040 KB	Output is correct
12	Correct	12 ms	3232 KB	Output is correct
13	Correct	13 ms	3544 KB	Output is correct
14	Correct	20 ms	3752 KB	Output is correct
15	Correct	13 ms	3960 KB	Output is correct
16	Correct	12 ms	4168 KB	Output is correct
17	Correct	13 ms	4376 KB	Output is correct
18	Correct	575 ms	4376 KB	Output is correct

Subtask #4
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	11 ms	4376 KB	Output is correct
2	Correct	11 ms	4376 KB	Output is correct
3	Correct	12 ms	4444 KB	Output is correct
4	Correct	12 ms	4444 KB	Output is correct
5	Correct	12 ms	4444 KB	Output is correct
6	Correct	12 ms	4444 KB	Output is correct
7	Correct	20 ms	4444 KB	Output is correct
8	Correct	12 ms	4444 KB	Output is correct
9	Correct	12 ms	4444 KB	Output is correct
10	Correct	13 ms	4444 KB	Output is correct
11	Correct	12 ms	4572 KB	Output is correct
12	Correct	14 ms	4604 KB	Output is correct
13	Correct	13 ms	4604 KB	Output is correct
14	Correct	12 ms	4604 KB	Output is correct

Subtask #5
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	13 ms	4604 KB	Output is correct
2	Correct	13 ms	4604 KB	Output is correct
3	Correct	15 ms	4604 KB	Output is correct
4	Correct	12 ms	4604 KB	Output is correct
5	Correct	3 ms	4604 KB	Output is correct
6	Correct	7 ms	4604 KB	Output is correct
7	Correct	8 ms	4604 KB	Output is correct
8	Correct	9 ms	4604 KB	Output is correct
9	Correct	10 ms	4604 KB	Output is correct
10	Correct	4 ms	4604 KB	Output is correct
11	Correct	8 ms	4604 KB	Output is correct

Subtask #6
51.0 / 51.0

#	결과	실행 시간	메모리	Grader output
1	Correct	8 ms	1276 KB	Output is correct
2	Correct	11 ms	1368 KB	Output is correct
3	Correct	10 ms	1496 KB	Output is correct
4	Correct	8 ms	1496 KB	Output is correct
5	Correct	8 ms	1496 KB	Output is correct
6	Correct	7 ms	1592 KB	Output is correct
7	Correct	7 ms	1620 KB	Output is correct
8	Correct	8 ms	1620 KB	Output is correct
9	Correct	8 ms	1620 KB	Output is correct
10	Correct	7 ms	1620 KB	Output is correct
11	Correct	6 ms	1620 KB	Output is correct
12	Correct	2 ms	1620 KB	Output is correct
13	Correct	2 ms	1620 KB	Output is correct
14	Correct	2 ms	1620 KB	Output is correct
15	Correct	2 ms	1620 KB	Output is correct
16	Correct	2 ms	1620 KB	Output is correct
17	Correct	2 ms	1620 KB	Output is correct
18	Correct	2 ms	1620 KB	Output is correct
19	Correct	2 ms	1620 KB	Output is correct
20	Correct	2 ms	1620 KB	Output is correct
21	Correct	2 ms	1620 KB	Output is correct
22	Correct	2 ms	1620 KB	Output is correct
23	Correct	2 ms	1620 KB	Output is correct
24	Correct	2 ms	1620 KB	Output is correct
25	Correct	2 ms	1620 KB	Output is correct
26	Correct	2 ms	1620 KB	Output is correct
27	Correct	3 ms	1620 KB	Output is correct
28	Correct	4 ms	1620 KB	Output is correct
29	Correct	2 ms	1620 KB	Output is correct
30	Correct	2 ms	1620 KB	Output is correct
31	Correct	2 ms	1620 KB	Output is correct
32	Correct	148 ms	2028 KB	Output is correct
33	Correct	302 ms	2028 KB	Output is correct
34	Correct	407 ms	2028 KB	Output is correct
35	Correct	13 ms	2028 KB	Output is correct
36	Correct	15 ms	2028 KB	Output is correct
37	Correct	15 ms	2156 KB	Output is correct
38	Correct	12 ms	2364 KB	Output is correct
39	Correct	13 ms	2572 KB	Output is correct
40	Correct	15 ms	2780 KB	Output is correct
41	Correct	14 ms	2844 KB	Output is correct
42	Correct	13 ms	3040 KB	Output is correct
43	Correct	12 ms	3232 KB	Output is correct
44	Correct	13 ms	3544 KB	Output is correct
45	Correct	20 ms	3752 KB	Output is correct
46	Correct	13 ms	3960 KB	Output is correct
47	Correct	12 ms	4168 KB	Output is correct
48	Correct	13 ms	4376 KB	Output is correct
49	Correct	575 ms	4376 KB	Output is correct
50	Correct	11 ms	4376 KB	Output is correct
51	Correct	11 ms	4376 KB	Output is correct
52	Correct	12 ms	4444 KB	Output is correct
53	Correct	12 ms	4444 KB	Output is correct
54	Correct	12 ms	4444 KB	Output is correct
55	Correct	12 ms	4444 KB	Output is correct
56	Correct	20 ms	4444 KB	Output is correct
57	Correct	12 ms	4444 KB	Output is correct
58	Correct	12 ms	4444 KB	Output is correct
59	Correct	13 ms	4444 KB	Output is correct
60	Correct	12 ms	4572 KB	Output is correct
61	Correct	14 ms	4604 KB	Output is correct
62	Correct	13 ms	4604 KB	Output is correct
63	Correct	12 ms	4604 KB	Output is correct
64	Correct	13 ms	4604 KB	Output is correct
65	Correct	13 ms	4604 KB	Output is correct
66	Correct	15 ms	4604 KB	Output is correct
67	Correct	12 ms	4604 KB	Output is correct
68	Correct	3 ms	4604 KB	Output is correct
69	Correct	7 ms	4604 KB	Output is correct
70	Correct	8 ms	4604 KB	Output is correct
71	Correct	9 ms	4604 KB	Output is correct
72	Correct	10 ms	4604 KB	Output is correct
73	Correct	4 ms	4604 KB	Output is correct
74	Correct	8 ms	4604 KB	Output is correct
75	Correct	209 ms	4736 KB	Output is correct
76	Correct	323 ms	4952 KB	Output is correct
77	Correct	445 ms	5096 KB	Output is correct
78	Correct	439 ms	5416 KB	Output is correct
79	Correct	437 ms	5512 KB	Output is correct
80	Correct	13 ms	5704 KB	Output is correct
81	Correct	13 ms	5912 KB	Output is correct
82	Correct	14 ms	6108 KB	Output is correct
83	Correct	14 ms	6328 KB	Output is correct
84	Correct	15 ms	6536 KB	Output is correct
85	Correct	13 ms	6616 KB	Output is correct
86	Correct	14 ms	6952 KB	Output is correct
87	Correct	13 ms	7160 KB	Output is correct
88	Correct	17 ms	7368 KB	Output is correct
89	Correct	14 ms	7564 KB	Output is correct
90	Correct	23 ms	7772 KB	Output is correct
91	Correct	21 ms	7992 KB	Output is correct
92	Correct	35 ms	8180 KB	Output is correct
93	Correct	35 ms	8408 KB	Output is correct
94	Correct	35 ms	8596 KB	Output is correct
95	Correct	64 ms	8828 KB	Output is correct
96	Correct	130 ms	9032 KB	Output is correct
97	Correct	533 ms	9316 KB	Output is correct
98	Correct	825 ms	9428 KB	Output is correct
99	Correct	856 ms	9500 KB	Output is correct
100	Correct	600 ms	9548 KB	Output is correct

답안 #74375

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 10.0 / 10.0

Subtask #3 11.0 / 11.0

Subtask #4 11.0 / 11.0

Subtask #5 12.0 / 12.0

Subtask #6 51.0 / 51.0

Subtask #1
5.0 / 5.0

Subtask #2
10.0 / 10.0

Subtask #3
11.0 / 11.0

Subtask #4
11.0 / 11.0

Subtask #5
12.0 / 12.0

Subtask #6
51.0 / 51.0