oj.uz

답안 #58643

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
58643 2018-07-18T14:42:47 Z reality 장난감 기차 (IOI17_train) C++17
100 / 100
 667 ms 25032 KB 
#include "bits/stdc++.h"
using namespace std;
#define fi first
#define se second
#define ll long long
#define dbg(v) cerr<<#v<<" = "<<v<<'\n'
#define vi vector<int>
#define vl vector <ll>
#define pii pair<int,int>
#define mp make_pair
#define db long double
#define pb push_back
#define all(s) s.begin(),s.end()
template < class T > T smin(T &a,T b) {if (a > b) a = b;return a;}
template < class T > T smax(T &a,T b) {if (a < b) a = b;return a;}
#include "train.h"

vi answer;
int n;
const int N = 1e6;
vi G[N];
int deg[N];
int d[N];
vi who;

void dfs(int node) {
	for (auto it : G[node]) {
		--deg[it];
		if (!deg[it] && who[it])
			dfs(it);
	}
}

vi who_wins(vi a, vi b, vi u, vi v) {
	n = a.size();
	for (auto & it : b)
		it ^= 1;
	who = b;
	for (int i = 0;i < u.size();++i)
		G[v[i]].pb(u[i]),++d[u[i]];
	answer.resize(n);
	for (int i = 0;i < n;++i)
		answer[i] = 1;
	int ok;
	do {
		ok = 0;
		who = b;
		for (int i = 0;i < n;++i)
			deg[i] = a[i] ? 1 : d[i];
		for (int i = 0;i < n;++i)
			if (!who[i] && answer[i])
				dfs(i);
		for (int i = 0;i < n;++i) {
			if (!who[i] && answer[i] && deg[i] > 0)
				ok = 1,answer[i] = 0;
			answer[i] &= deg[i] <= 0;
		}
	} while (ok);
	return answer;
}

Compilation message

train.cpp: In function 'std::vector<int> who_wins(std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
train.cpp:39:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0;i < u.size();++i)
                 ~~^~~~~~~~~~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 31 ms 24184 KB Output is correct
2 Correct 34 ms 24464 KB Output is correct
3 Correct 29 ms 24464 KB Output is correct
4 Correct 34 ms 24464 KB Output is correct
5 Correct 35 ms 24464 KB Output is correct
6 Correct 38 ms 24464 KB Output is correct
7 Correct 34 ms 24464 KB Output is correct
8 Correct 31 ms 24464 KB Output is correct
9 Correct 39 ms 24464 KB Output is correct
10 Correct 33 ms 24464 KB Output is correct
11 Correct 34 ms 24464 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 24 ms 24464 KB Output is correct
2 Correct 26 ms 24464 KB Output is correct
3 Correct 25 ms 24464 KB Output is correct
4 Correct 26 ms 24464 KB Output is correct
5 Correct 28 ms 24464 KB Output is correct
6 Correct 28 ms 24464 KB Output is correct
7 Correct 28 ms 24464 KB Output is correct
8 Correct 30 ms 24464 KB Output is correct
9 Correct 25 ms 24464 KB Output is correct
10 Correct 23 ms 24464 KB Output is correct
11 Correct 27 ms 24464 KB Output is correct
12 Correct 27 ms 24464 KB Output is correct
13 Correct 26 ms 24464 KB Output is correct
14 Correct 26 ms 24464 KB Output is correct
15 Correct 27 ms 24464 KB Output is correct
16 Correct 22 ms 24464 KB Output is correct
17 Correct 26 ms 24464 KB Output is correct
18 Correct 25 ms 24464 KB Output is correct
19 Correct 28 ms 24464 KB Output is correct
20 Correct 25 ms 24464 KB Output is correct

Subtask #3
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 107 ms 24940 KB Output is correct
2 Correct 205 ms 24940 KB Output is correct
3 Correct 250 ms 24940 KB Output is correct
4 Correct 40 ms 24940 KB Output is correct
5 Correct 35 ms 24940 KB Output is correct
6 Correct 38 ms 24940 KB Output is correct
7 Correct 40 ms 24940 KB Output is correct
8 Correct 41 ms 24940 KB Output is correct
9 Correct 28 ms 24940 KB Output is correct
10 Correct 38 ms 24940 KB Output is correct
11 Correct 33 ms 24940 KB Output is correct
12 Correct 35 ms 24940 KB Output is correct
13 Correct 34 ms 25032 KB Output is correct
14 Correct 31 ms 25032 KB Output is correct
15 Correct 34 ms 25032 KB Output is correct
16 Correct 40 ms 25032 KB Output is correct
17 Correct 32 ms 25032 KB Output is correct
18 Correct 387 ms 25032 KB Output is correct

Subtask #4
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 29 ms 25032 KB Output is correct
2 Correct 42 ms 25032 KB Output is correct
3 Correct 35 ms 25032 KB Output is correct
4 Correct 43 ms 25032 KB Output is correct
5 Correct 36 ms 25032 KB Output is correct
6 Correct 36 ms 25032 KB Output is correct
7 Correct 37 ms 25032 KB Output is correct
8 Correct 34 ms 25032 KB Output is correct
9 Correct 38 ms 25032 KB Output is correct
10 Correct 36 ms 25032 KB Output is correct
11 Correct 49 ms 25032 KB Output is correct
12 Correct 37 ms 25032 KB Output is correct
13 Correct 32 ms 25032 KB Output is correct
14 Correct 39 ms 25032 KB Output is correct

Subtask #5
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 32 ms 25032 KB Output is correct
2 Correct 36 ms 25032 KB Output is correct
3 Correct 47 ms 25032 KB Output is correct
4 Correct 37 ms 25032 KB Output is correct
5 Correct 27 ms 25032 KB Output is correct
6 Correct 31 ms 25032 KB Output is correct
7 Correct 32 ms 25032 KB Output is correct
8 Correct 33 ms 25032 KB Output is correct
9 Correct 34 ms 25032 KB Output is correct
10 Correct 31 ms 25032 KB Output is correct
11 Correct 32 ms 25032 KB Output is correct

Subtask #6
51.0 / 51.0

# 결과 실행 시간 메모리 Grader output
1 Correct 31 ms 24184 KB Output is correct
2 Correct 34 ms 24464 KB Output is correct
3 Correct 29 ms 24464 KB Output is correct
4 Correct 34 ms 24464 KB Output is correct
5 Correct 35 ms 24464 KB Output is correct
6 Correct 38 ms 24464 KB Output is correct
7 Correct 34 ms 24464 KB Output is correct
8 Correct 31 ms 24464 KB Output is correct
9 Correct 39 ms 24464 KB Output is correct
10 Correct 33 ms 24464 KB Output is correct
11 Correct 34 ms 24464 KB Output is correct
12 Correct 24 ms 24464 KB Output is correct
13 Correct 26 ms 24464 KB Output is correct
14 Correct 25 ms 24464 KB Output is correct
15 Correct 26 ms 24464 KB Output is correct
16 Correct 28 ms 24464 KB Output is correct
17 Correct 28 ms 24464 KB Output is correct
18 Correct 28 ms 24464 KB Output is correct
19 Correct 30 ms 24464 KB Output is correct
20 Correct 25 ms 24464 KB Output is correct
21 Correct 23 ms 24464 KB Output is correct
22 Correct 27 ms 24464 KB Output is correct
23 Correct 27 ms 24464 KB Output is correct
24 Correct 26 ms 24464 KB Output is correct
25 Correct 26 ms 24464 KB Output is correct
26 Correct 27 ms 24464 KB Output is correct
27 Correct 22 ms 24464 KB Output is correct
28 Correct 26 ms 24464 KB Output is correct
29 Correct 25 ms 24464 KB Output is correct
30 Correct 28 ms 24464 KB Output is correct
31 Correct 25 ms 24464 KB Output is correct
32 Correct 107 ms 24940 KB Output is correct
33 Correct 205 ms 24940 KB Output is correct
34 Correct 250 ms 24940 KB Output is correct
35 Correct 40 ms 24940 KB Output is correct
36 Correct 35 ms 24940 KB Output is correct
37 Correct 38 ms 24940 KB Output is correct
38 Correct 40 ms 24940 KB Output is correct
39 Correct 41 ms 24940 KB Output is correct
40 Correct 28 ms 24940 KB Output is correct
41 Correct 38 ms 24940 KB Output is correct
42 Correct 33 ms 24940 KB Output is correct
43 Correct 35 ms 24940 KB Output is correct
44 Correct 34 ms 25032 KB Output is correct
45 Correct 31 ms 25032 KB Output is correct
46 Correct 34 ms 25032 KB Output is correct
47 Correct 40 ms 25032 KB Output is correct
48 Correct 32 ms 25032 KB Output is correct
49 Correct 387 ms 25032 KB Output is correct
50 Correct 29 ms 25032 KB Output is correct
51 Correct 42 ms 25032 KB Output is correct
52 Correct 35 ms 25032 KB Output is correct
53 Correct 43 ms 25032 KB Output is correct
54 Correct 36 ms 25032 KB Output is correct
55 Correct 36 ms 25032 KB Output is correct
56 Correct 37 ms 25032 KB Output is correct
57 Correct 34 ms 25032 KB Output is correct
58 Correct 38 ms 25032 KB Output is correct
59 Correct 36 ms 25032 KB Output is correct
60 Correct 49 ms 25032 KB Output is correct
61 Correct 37 ms 25032 KB Output is correct
62 Correct 32 ms 25032 KB Output is correct
63 Correct 39 ms 25032 KB Output is correct
64 Correct 32 ms 25032 KB Output is correct
65 Correct 36 ms 25032 KB Output is correct
66 Correct 47 ms 25032 KB Output is correct
67 Correct 37 ms 25032 KB Output is correct
68 Correct 27 ms 25032 KB Output is correct
69 Correct 31 ms 25032 KB Output is correct
70 Correct 32 ms 25032 KB Output is correct
71 Correct 33 ms 25032 KB Output is correct
72 Correct 34 ms 25032 KB Output is correct
73 Correct 31 ms 25032 KB Output is correct
74 Correct 32 ms 25032 KB Output is correct
75 Correct 103 ms 25032 KB Output is correct
76 Correct 202 ms 25032 KB Output is correct
77 Correct 248 ms 25032 KB Output is correct
78 Correct 276 ms 25032 KB Output is correct
79 Correct 234 ms 25032 KB Output is correct
80 Correct 39 ms 25032 KB Output is correct
81 Correct 37 ms 25032 KB Output is correct
82 Correct 36 ms 25032 KB Output is correct
83 Correct 44 ms 25032 KB Output is correct
84 Correct 33 ms 25032 KB Output is correct
85 Correct 33 ms 25032 KB Output is correct
86 Correct 39 ms 25032 KB Output is correct
87 Correct 40 ms 25032 KB Output is correct
88 Correct 40 ms 25032 KB Output is correct
89 Correct 33 ms 25032 KB Output is correct
90 Correct 44 ms 25032 KB Output is correct
91 Correct 48 ms 25032 KB Output is correct
92 Correct 69 ms 25032 KB Output is correct
93 Correct 63 ms 25032 KB Output is correct
94 Correct 66 ms 25032 KB Output is correct
95 Correct 62 ms 25032 KB Output is correct
96 Correct 103 ms 25032 KB Output is correct
97 Correct 383 ms 25032 KB Output is correct
98 Correct 543 ms 25032 KB Output is correct
99 Correct 667 ms 25032 KB Output is correct
100 Correct 365 ms 25032 KB Output is correct