Submission #33244

# Submission time Handle Problem Language Result Execution time Memory
33244 2017-10-23T04:36:03 Z model_code Toy Train (IOI17_train) C++11
100 / 100
523 ms 11920 KB
// .... .... .....!
// ...... ......!
// .... ....... ..... ..!
// ...... ... ... .... ... .... .....!
// ... .. ... .... ...?

#include "train.h"
#include <vector>
#include <algorithm>
using namespace std;

#define rep(i, n) for (int i = 0, _n = (int)(n); i < _n; i++)
#define fer(i, x, n) for (int i = (int)(x), _n = (int)(n); i < _n; i++)
#define rof(i, n, x) for (int i = (int)(n), _x = (int)(x); i-- > _x; )
#define sz(x) (int((x).size()))
#define pb push_back
#define all(X) (X).begin(),(X).end()
#define X first
#define Y second

template<class P, class Q> inline void smin(P &a, Q b) { if (b < a) a = b; }
template<class P, class Q> inline void smax(P &a, Q b) { if (a < b) a = b; }

typedef long long ll;
typedef pair<int, int> pii;

////////////////////////////////////////////////////////////////////////////////

const int maxn = 300000 + 100;

vector<int> radj[maxn];
int deg[maxn], need[maxn];

void dfs(int u, vector<int> &w) {
	for(int v: radj[u]) {
		need[v]--;
		if(!w[v] && need[v] == 0) dfs(v, w); // only dfs through non-charging vertices
	}
}

vector<int> who_wins(vector<int> a, vector<int> r, vector<int> u, vector<int> v) {
	int n = sz(a);
	rep(i, sz(u)) radj[v[i]].pb(u[i]), deg[u[i]]++;
	vector<int> res(n, 1);
	for(bool cng = true; !(cng = !cng); ) {
		rep(i, n) need[i] = (a[i] ? 1 : deg[i]); // d only matters here
		rep(i, n) if(r[i] && res[i]) dfs(i, r); // dfs from yet-has-a-chance-to-win wells
		rep(i, n) if(r[i] && res[i] && need[i] > 0) res[i] = false, cng = true; // and see if they had no chance
	}
	rep(i, n) res[i] &= (need[i] <= 0); // look, more fopdoodles
	return res;
}
# Verdict Execution time Memory Grader output
1 Correct 6 ms 11712 KB Output is correct
2 Correct 3 ms 11712 KB Output is correct
3 Correct 6 ms 11712 KB Output is correct
4 Correct 9 ms 11712 KB Output is correct
5 Correct 9 ms 11712 KB Output is correct
6 Correct 6 ms 11712 KB Output is correct
7 Correct 6 ms 11712 KB Output is correct
8 Correct 9 ms 11712 KB Output is correct
9 Correct 6 ms 11724 KB Output is correct
10 Correct 9 ms 11580 KB Output is correct
11 Correct 13 ms 11716 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 6 ms 11308 KB Output is correct
2 Correct 0 ms 11308 KB Output is correct
3 Correct 0 ms 11308 KB Output is correct
4 Correct 0 ms 11308 KB Output is correct
5 Correct 0 ms 11308 KB Output is correct
6 Correct 0 ms 11308 KB Output is correct
7 Correct 0 ms 11308 KB Output is correct
8 Correct 0 ms 11308 KB Output is correct
9 Correct 0 ms 11308 KB Output is correct
10 Correct 0 ms 11308 KB Output is correct
11 Correct 0 ms 11308 KB Output is correct
12 Correct 0 ms 11308 KB Output is correct
13 Correct 0 ms 11308 KB Output is correct
14 Correct 0 ms 11308 KB Output is correct
15 Correct 0 ms 11308 KB Output is correct
16 Correct 0 ms 11308 KB Output is correct
17 Correct 3 ms 11308 KB Output is correct
18 Correct 0 ms 11308 KB Output is correct
19 Correct 3 ms 11308 KB Output is correct
20 Correct 3 ms 11308 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 89 ms 11920 KB Output is correct
2 Correct 183 ms 11920 KB Output is correct
3 Correct 263 ms 11920 KB Output is correct
4 Correct 3 ms 11920 KB Output is correct
5 Correct 26 ms 11920 KB Output is correct
6 Correct 9 ms 11920 KB Output is correct
7 Correct 13 ms 11920 KB Output is correct
8 Correct 9 ms 11920 KB Output is correct
9 Correct 6 ms 11900 KB Output is correct
10 Correct 13 ms 11904 KB Output is correct
11 Correct 3 ms 11900 KB Output is correct
12 Correct 13 ms 11888 KB Output is correct
13 Correct 13 ms 11920 KB Output is correct
14 Correct 0 ms 11920 KB Output is correct
15 Correct 13 ms 11920 KB Output is correct
16 Correct 6 ms 11920 KB Output is correct
17 Correct 6 ms 11920 KB Output is correct
18 Correct 336 ms 11732 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 9 ms 11788 KB Output is correct
2 Correct 9 ms 11888 KB Output is correct
3 Correct 6 ms 11920 KB Output is correct
4 Correct 13 ms 11920 KB Output is correct
5 Correct 6 ms 11920 KB Output is correct
6 Correct 13 ms 11912 KB Output is correct
7 Correct 9 ms 11912 KB Output is correct
8 Correct 9 ms 11904 KB Output is correct
9 Correct 6 ms 11892 KB Output is correct
10 Correct 13 ms 11920 KB Output is correct
11 Correct 9 ms 11920 KB Output is correct
12 Correct 3 ms 11920 KB Output is correct
13 Correct 6 ms 11920 KB Output is correct
14 Correct 9 ms 11896 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 6 ms 11920 KB Output is correct
2 Correct 9 ms 11920 KB Output is correct
3 Correct 6 ms 11920 KB Output is correct
4 Correct 9 ms 11892 KB Output is correct
5 Correct 3 ms 11308 KB Output is correct
6 Correct 6 ms 11580 KB Output is correct
7 Correct 3 ms 11728 KB Output is correct
8 Correct 3 ms 11752 KB Output is correct
9 Correct 3 ms 11744 KB Output is correct
10 Correct 0 ms 11448 KB Output is correct
11 Correct 9 ms 11648 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 6 ms 11712 KB Output is correct
2 Correct 3 ms 11712 KB Output is correct
3 Correct 6 ms 11712 KB Output is correct
4 Correct 9 ms 11712 KB Output is correct
5 Correct 9 ms 11712 KB Output is correct
6 Correct 6 ms 11712 KB Output is correct
7 Correct 6 ms 11712 KB Output is correct
8 Correct 9 ms 11712 KB Output is correct
9 Correct 6 ms 11724 KB Output is correct
10 Correct 9 ms 11580 KB Output is correct
11 Correct 13 ms 11716 KB Output is correct
12 Correct 6 ms 11308 KB Output is correct
13 Correct 0 ms 11308 KB Output is correct
14 Correct 0 ms 11308 KB Output is correct
15 Correct 0 ms 11308 KB Output is correct
16 Correct 0 ms 11308 KB Output is correct
17 Correct 0 ms 11308 KB Output is correct
18 Correct 0 ms 11308 KB Output is correct
19 Correct 0 ms 11308 KB Output is correct
20 Correct 0 ms 11308 KB Output is correct
21 Correct 0 ms 11308 KB Output is correct
22 Correct 0 ms 11308 KB Output is correct
23 Correct 0 ms 11308 KB Output is correct
24 Correct 0 ms 11308 KB Output is correct
25 Correct 0 ms 11308 KB Output is correct
26 Correct 0 ms 11308 KB Output is correct
27 Correct 0 ms 11308 KB Output is correct
28 Correct 3 ms 11308 KB Output is correct
29 Correct 0 ms 11308 KB Output is correct
30 Correct 3 ms 11308 KB Output is correct
31 Correct 3 ms 11308 KB Output is correct
32 Correct 89 ms 11920 KB Output is correct
33 Correct 183 ms 11920 KB Output is correct
34 Correct 263 ms 11920 KB Output is correct
35 Correct 3 ms 11920 KB Output is correct
36 Correct 26 ms 11920 KB Output is correct
37 Correct 9 ms 11920 KB Output is correct
38 Correct 13 ms 11920 KB Output is correct
39 Correct 9 ms 11920 KB Output is correct
40 Correct 6 ms 11900 KB Output is correct
41 Correct 13 ms 11904 KB Output is correct
42 Correct 3 ms 11900 KB Output is correct
43 Correct 13 ms 11888 KB Output is correct
44 Correct 13 ms 11920 KB Output is correct
45 Correct 0 ms 11920 KB Output is correct
46 Correct 13 ms 11920 KB Output is correct
47 Correct 6 ms 11920 KB Output is correct
48 Correct 6 ms 11920 KB Output is correct
49 Correct 336 ms 11732 KB Output is correct
50 Correct 9 ms 11788 KB Output is correct
51 Correct 9 ms 11888 KB Output is correct
52 Correct 6 ms 11920 KB Output is correct
53 Correct 13 ms 11920 KB Output is correct
54 Correct 6 ms 11920 KB Output is correct
55 Correct 13 ms 11912 KB Output is correct
56 Correct 9 ms 11912 KB Output is correct
57 Correct 9 ms 11904 KB Output is correct
58 Correct 6 ms 11892 KB Output is correct
59 Correct 13 ms 11920 KB Output is correct
60 Correct 9 ms 11920 KB Output is correct
61 Correct 3 ms 11920 KB Output is correct
62 Correct 6 ms 11920 KB Output is correct
63 Correct 9 ms 11896 KB Output is correct
64 Correct 6 ms 11920 KB Output is correct
65 Correct 9 ms 11920 KB Output is correct
66 Correct 6 ms 11920 KB Output is correct
67 Correct 9 ms 11892 KB Output is correct
68 Correct 3 ms 11308 KB Output is correct
69 Correct 6 ms 11580 KB Output is correct
70 Correct 3 ms 11728 KB Output is correct
71 Correct 3 ms 11752 KB Output is correct
72 Correct 3 ms 11744 KB Output is correct
73 Correct 0 ms 11448 KB Output is correct
74 Correct 9 ms 11648 KB Output is correct
75 Correct 96 ms 11920 KB Output is correct
76 Correct 193 ms 11920 KB Output is correct
77 Correct 283 ms 11920 KB Output is correct
78 Correct 299 ms 11920 KB Output is correct
79 Correct 303 ms 11920 KB Output is correct
80 Correct 9 ms 11920 KB Output is correct
81 Correct 9 ms 11920 KB Output is correct
82 Correct 6 ms 11920 KB Output is correct
83 Correct 13 ms 11920 KB Output is correct
84 Correct 13 ms 11920 KB Output is correct
85 Correct 6 ms 11920 KB Output is correct
86 Correct 13 ms 11920 KB Output is correct
87 Correct 6 ms 11920 KB Output is correct
88 Correct 13 ms 11920 KB Output is correct
89 Correct 13 ms 11920 KB Output is correct
90 Correct 16 ms 11920 KB Output is correct
91 Correct 19 ms 11920 KB Output is correct
92 Correct 36 ms 11920 KB Output is correct
93 Correct 33 ms 11920 KB Output is correct
94 Correct 29 ms 11920 KB Output is correct
95 Correct 33 ms 11920 KB Output is correct
96 Correct 76 ms 11896 KB Output is correct
97 Correct 303 ms 11920 KB Output is correct
98 Correct 476 ms 11912 KB Output is correct
99 Correct 523 ms 11908 KB Output is correct
100 Correct 346 ms 11732 KB Output is correct