Submission #74375

# Submission time Handle Problem Language Result Execution time Memory
74375 2018-08-31T12:48:54 Z Diuven Toy Train (IOI17_train) C++14
100 / 100
856 ms 9548 KB
#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;
}
# Verdict Execution time Memory 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
# Verdict Execution time Memory 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
# Verdict Execution time Memory 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
# Verdict Execution time Memory 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
# Verdict Execution time Memory 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
# Verdict Execution time Memory 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