| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 118272 |
2019-06-18T14:00:42 Z |
MvC |
Toy Train (IOI17_train) |
C++14 |
|
395 ms |
8384 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 |
12 ms |
7808 KB |
Output is correct |
| 2 |
Correct |
13 ms |
7808 KB |
Output is correct |
| 3 |
Correct |
13 ms |
7792 KB |
Output is correct |
| 4 |
Correct |
13 ms |
7812 KB |
Output is correct |
| 5 |
Correct |
12 ms |
7844 KB |
Output is correct |
| 6 |
Correct |
12 ms |
7808 KB |
Output is correct |
| 7 |
Correct |
12 ms |
7808 KB |
Output is correct |
| 8 |
Correct |
11 ms |
7808 KB |
Output is correct |
| 9 |
Correct |
11 ms |
7680 KB |
Output is correct |
| 10 |
Correct |
10 ms |
7680 KB |
Output is correct |
| 11 |
Correct |
11 ms |
7680 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
8 ms |
7424 KB |
Output is correct |
| 2 |
Correct |
8 ms |
7296 KB |
Output is correct |
| 3 |
Correct |
8 ms |
7424 KB |
Output is correct |
| 4 |
Correct |
8 ms |
7344 KB |
Output is correct |
| 5 |
Correct |
8 ms |
7296 KB |
Output is correct |
| 6 |
Correct |
8 ms |
7296 KB |
Output is correct |
| 7 |
Correct |
8 ms |
7424 KB |
Output is correct |
| 8 |
Correct |
8 ms |
7424 KB |
Output is correct |
| 9 |
Correct |
8 ms |
7344 KB |
Output is correct |
| 10 |
Correct |
7 ms |
7296 KB |
Output is correct |
| 11 |
Correct |
7 ms |
7296 KB |
Output is correct |
| 12 |
Correct |
8 ms |
7396 KB |
Output is correct |
| 13 |
Correct |
8 ms |
7384 KB |
Output is correct |
| 14 |
Correct |
8 ms |
7396 KB |
Output is correct |
| 15 |
Correct |
7 ms |
7296 KB |
Output is correct |
| 16 |
Correct |
7 ms |
7296 KB |
Output is correct |
| 17 |
Correct |
7 ms |
7424 KB |
Output is correct |
| 18 |
Correct |
8 ms |
7296 KB |
Output is correct |
| 19 |
Correct |
7 ms |
7296 KB |
Output is correct |
| 20 |
Correct |
7 ms |
7296 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
71 ms |
8200 KB |
Output is correct |
| 2 |
Correct |
127 ms |
8344 KB |
Output is correct |
| 3 |
Correct |
195 ms |
8292 KB |
Output is correct |
| 4 |
Correct |
14 ms |
8240 KB |
Output is correct |
| 5 |
Correct |
19 ms |
8320 KB |
Output is correct |
| 6 |
Correct |
16 ms |
8292 KB |
Output is correct |
| 7 |
Correct |
15 ms |
8188 KB |
Output is correct |
| 8 |
Correct |
14 ms |
8192 KB |
Output is correct |
| 9 |
Correct |
14 ms |
8192 KB |
Output is correct |
| 10 |
Correct |
14 ms |
8192 KB |
Output is correct |
| 11 |
Correct |
13 ms |
8164 KB |
Output is correct |
| 12 |
Correct |
13 ms |
8064 KB |
Output is correct |
| 13 |
Correct |
14 ms |
8312 KB |
Output is correct |
| 14 |
Correct |
15 ms |
8320 KB |
Output is correct |
| 15 |
Correct |
15 ms |
8316 KB |
Output is correct |
| 16 |
Correct |
14 ms |
8320 KB |
Output is correct |
| 17 |
Correct |
14 ms |
8284 KB |
Output is correct |
| 18 |
Correct |
286 ms |
7968 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
12 ms |
7936 KB |
Output is correct |
| 2 |
Correct |
14 ms |
8112 KB |
Output is correct |
| 3 |
Correct |
14 ms |
8192 KB |
Output is correct |
| 4 |
Correct |
15 ms |
8320 KB |
Output is correct |
| 5 |
Correct |
14 ms |
8184 KB |
Output is correct |
| 6 |
Correct |
14 ms |
8192 KB |
Output is correct |
| 7 |
Correct |
15 ms |
8196 KB |
Output is correct |
| 8 |
Correct |
13 ms |
8192 KB |
Output is correct |
| 9 |
Correct |
14 ms |
8148 KB |
Output is correct |
| 10 |
Correct |
14 ms |
8192 KB |
Output is correct |
| 11 |
Correct |
15 ms |
8192 KB |
Output is correct |
| 12 |
Correct |
14 ms |
8256 KB |
Output is correct |
| 13 |
Correct |
14 ms |
8192 KB |
Output is correct |
| 14 |
Correct |
13 ms |
8152 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
14 ms |
8064 KB |
Output is correct |
| 2 |
Correct |
15 ms |
8384 KB |
Output is correct |
| 3 |
Correct |
14 ms |
8320 KB |
Output is correct |
| 4 |
Correct |
14 ms |
8192 KB |
Output is correct |
| 5 |
Correct |
7 ms |
7424 KB |
Output is correct |
| 6 |
Correct |
10 ms |
7840 KB |
Output is correct |
| 7 |
Correct |
12 ms |
7936 KB |
Output is correct |
| 8 |
Correct |
12 ms |
8060 KB |
Output is correct |
| 9 |
Correct |
12 ms |
7936 KB |
Output is correct |
| 10 |
Correct |
9 ms |
7552 KB |
Output is correct |
| 11 |
Correct |
11 ms |
7936 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
12 ms |
7808 KB |
Output is correct |
| 2 |
Correct |
13 ms |
7808 KB |
Output is correct |
| 3 |
Correct |
13 ms |
7792 KB |
Output is correct |
| 4 |
Correct |
13 ms |
7812 KB |
Output is correct |
| 5 |
Correct |
12 ms |
7844 KB |
Output is correct |
| 6 |
Correct |
12 ms |
7808 KB |
Output is correct |
| 7 |
Correct |
12 ms |
7808 KB |
Output is correct |
| 8 |
Correct |
11 ms |
7808 KB |
Output is correct |
| 9 |
Correct |
11 ms |
7680 KB |
Output is correct |
| 10 |
Correct |
10 ms |
7680 KB |
Output is correct |
| 11 |
Correct |
11 ms |
7680 KB |
Output is correct |
| 12 |
Correct |
8 ms |
7424 KB |
Output is correct |
| 13 |
Correct |
8 ms |
7296 KB |
Output is correct |
| 14 |
Correct |
8 ms |
7424 KB |
Output is correct |
| 15 |
Correct |
8 ms |
7344 KB |
Output is correct |
| 16 |
Correct |
8 ms |
7296 KB |
Output is correct |
| 17 |
Correct |
8 ms |
7296 KB |
Output is correct |
| 18 |
Correct |
8 ms |
7424 KB |
Output is correct |
| 19 |
Correct |
8 ms |
7424 KB |
Output is correct |
| 20 |
Correct |
8 ms |
7344 KB |
Output is correct |
| 21 |
Correct |
7 ms |
7296 KB |
Output is correct |
| 22 |
Correct |
7 ms |
7296 KB |
Output is correct |
| 23 |
Correct |
8 ms |
7396 KB |
Output is correct |
| 24 |
Correct |
8 ms |
7384 KB |
Output is correct |
| 25 |
Correct |
8 ms |
7396 KB |
Output is correct |
| 26 |
Correct |
7 ms |
7296 KB |
Output is correct |
| 27 |
Correct |
7 ms |
7296 KB |
Output is correct |
| 28 |
Correct |
7 ms |
7424 KB |
Output is correct |
| 29 |
Correct |
8 ms |
7296 KB |
Output is correct |
| 30 |
Correct |
7 ms |
7296 KB |
Output is correct |
| 31 |
Correct |
7 ms |
7296 KB |
Output is correct |
| 32 |
Correct |
71 ms |
8200 KB |
Output is correct |
| 33 |
Correct |
127 ms |
8344 KB |
Output is correct |
| 34 |
Correct |
195 ms |
8292 KB |
Output is correct |
| 35 |
Correct |
14 ms |
8240 KB |
Output is correct |
| 36 |
Correct |
19 ms |
8320 KB |
Output is correct |
| 37 |
Correct |
16 ms |
8292 KB |
Output is correct |
| 38 |
Correct |
15 ms |
8188 KB |
Output is correct |
| 39 |
Correct |
14 ms |
8192 KB |
Output is correct |
| 40 |
Correct |
14 ms |
8192 KB |
Output is correct |
| 41 |
Correct |
14 ms |
8192 KB |
Output is correct |
| 42 |
Correct |
13 ms |
8164 KB |
Output is correct |
| 43 |
Correct |
13 ms |
8064 KB |
Output is correct |
| 44 |
Correct |
14 ms |
8312 KB |
Output is correct |
| 45 |
Correct |
15 ms |
8320 KB |
Output is correct |
| 46 |
Correct |
15 ms |
8316 KB |
Output is correct |
| 47 |
Correct |
14 ms |
8320 KB |
Output is correct |
| 48 |
Correct |
14 ms |
8284 KB |
Output is correct |
| 49 |
Correct |
286 ms |
7968 KB |
Output is correct |
| 50 |
Correct |
12 ms |
7936 KB |
Output is correct |
| 51 |
Correct |
14 ms |
8112 KB |
Output is correct |
| 52 |
Correct |
14 ms |
8192 KB |
Output is correct |
| 53 |
Correct |
15 ms |
8320 KB |
Output is correct |
| 54 |
Correct |
14 ms |
8184 KB |
Output is correct |
| 55 |
Correct |
14 ms |
8192 KB |
Output is correct |
| 56 |
Correct |
15 ms |
8196 KB |
Output is correct |
| 57 |
Correct |
13 ms |
8192 KB |
Output is correct |
| 58 |
Correct |
14 ms |
8148 KB |
Output is correct |
| 59 |
Correct |
14 ms |
8192 KB |
Output is correct |
| 60 |
Correct |
15 ms |
8192 KB |
Output is correct |
| 61 |
Correct |
14 ms |
8256 KB |
Output is correct |
| 62 |
Correct |
14 ms |
8192 KB |
Output is correct |
| 63 |
Correct |
13 ms |
8152 KB |
Output is correct |
| 64 |
Correct |
14 ms |
8064 KB |
Output is correct |
| 65 |
Correct |
15 ms |
8384 KB |
Output is correct |
| 66 |
Correct |
14 ms |
8320 KB |
Output is correct |
| 67 |
Correct |
14 ms |
8192 KB |
Output is correct |
| 68 |
Correct |
7 ms |
7424 KB |
Output is correct |
| 69 |
Correct |
10 ms |
7840 KB |
Output is correct |
| 70 |
Correct |
12 ms |
7936 KB |
Output is correct |
| 71 |
Correct |
12 ms |
8060 KB |
Output is correct |
| 72 |
Correct |
12 ms |
7936 KB |
Output is correct |
| 73 |
Correct |
9 ms |
7552 KB |
Output is correct |
| 74 |
Correct |
11 ms |
7936 KB |
Output is correct |
| 75 |
Correct |
66 ms |
8320 KB |
Output is correct |
| 76 |
Correct |
141 ms |
8292 KB |
Output is correct |
| 77 |
Correct |
228 ms |
8296 KB |
Output is correct |
| 78 |
Correct |
222 ms |
8288 KB |
Output is correct |
| 79 |
Correct |
234 ms |
8312 KB |
Output is correct |
| 80 |
Correct |
15 ms |
8284 KB |
Output is correct |
| 81 |
Correct |
14 ms |
8192 KB |
Output is correct |
| 82 |
Correct |
15 ms |
8192 KB |
Output is correct |
| 83 |
Correct |
16 ms |
8320 KB |
Output is correct |
| 84 |
Correct |
17 ms |
8312 KB |
Output is correct |
| 85 |
Correct |
14 ms |
8192 KB |
Output is correct |
| 86 |
Correct |
18 ms |
8320 KB |
Output is correct |
| 87 |
Correct |
14 ms |
8192 KB |
Output is correct |
| 88 |
Correct |
20 ms |
8292 KB |
Output is correct |
| 89 |
Correct |
15 ms |
8192 KB |
Output is correct |
| 90 |
Correct |
23 ms |
8284 KB |
Output is correct |
| 91 |
Correct |
24 ms |
8192 KB |
Output is correct |
| 92 |
Correct |
79 ms |
8284 KB |
Output is correct |
| 93 |
Correct |
30 ms |
8192 KB |
Output is correct |
| 94 |
Correct |
32 ms |
8192 KB |
Output is correct |
| 95 |
Correct |
34 ms |
8272 KB |
Output is correct |
| 96 |
Correct |
63 ms |
8196 KB |
Output is correct |
| 97 |
Correct |
244 ms |
8276 KB |
Output is correct |
| 98 |
Correct |
346 ms |
8252 KB |
Output is correct |
| 99 |
Correct |
395 ms |
8236 KB |
Output is correct |
| 100 |
Correct |
285 ms |
7968 KB |
Output is correct |
