oj.uz

Submission #390170

# Submission time Handle Problem Language Result Execution time Memory
390170 2021-04-15T13:37:27 Z alishahali1382 Toy Train (IOI17_train) C++14
100 / 100
 417 ms 1444 KB 
#include "train.h"
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;
#define debug(x) {cerr<<#x<<"="<<x<<"\n";}
#define debug2(x, y) {cerr<<#x<<", "<<#y<<" = "<<x<<", "<<y<<"\n";}
#define pb push_back
#define all(x) x.begin(), x.end()

const int inf=1000000100;
const int MAXN=5010;

int n, m, k;
int Q[MAXN], L, R;
bool mark[MAXN];
int deg[MAXN];
vector<int> G[MAXN], GR[MAXN];

vector<int> who_wins(vector<int> typ, vector<int> good, vector<int> U, vector<int> V){
	n=typ.size();
	m=U.size();
	vector<int> ans(n, 1);
	for (int i=0; i<m; i++){
		G[U[i]].pb(V[i]);
		GR[V[i]].pb(U[i]);
	}
	int sz=n;
	while (sz){
		memset(mark, 0, sizeof(mark));
		L=R=0;
		// debug("check1")
		for (int i=0; i<n; i++) if (ans[i]){
			if (good[i]) Q[R++]=i, mark[i]=1;
			else{
				deg[i]=0;
				for (int j:G[i]) deg[i]+=ans[j];
			}
		}
		// debug("check2")
		while (L<R){
			int v=Q[L++];
			for (int u:GR[v]) if (ans[u] && !mark[u]){
				deg[u]--;
				if (typ[u] || !deg[u]){
					Q[R++]=u;
					mark[u]=1;
				}
			}
		}
		if (R==sz) break ;
		// debug("check3")
		L=R=0;
		for (int i=0; i<n; i++) if (ans[i]){
			if (!mark[i]) Q[R++]=i;
			else{
				deg[i]=0;
				for (int j:G[i]) deg[i]+=ans[j];
			}
		}
		while (L<R){
			int v=Q[L++];
			sz--;
			ans[v]=0;
			for (int u:GR[v]) if (ans[u] && mark[u]){
				deg[u]--;
				if (!typ[u] || !deg[u]){
					Q[R++]=u;
					mark[u]=0;
				}
			}
		}
	}

	return ans;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 1100 KB Output is correct
2 Correct 6 ms 1012 KB Output is correct
3 Correct 5 ms 972 KB Output is correct
4 Correct 5 ms 1040 KB Output is correct
5 Correct 5 ms 1100 KB Output is correct
6 Correct 5 ms 972 KB Output is correct
7 Correct 5 ms 1012 KB Output is correct
8 Correct 6 ms 972 KB Output is correct
9 Correct 6 ms 972 KB Output is correct
10 Correct 5 ms 1004 KB Output is correct
11 Correct 4 ms 972 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 460 KB Output is correct
2 Correct 1 ms 460 KB Output is correct
3 Correct 1 ms 460 KB Output is correct
4 Correct 1 ms 460 KB Output is correct
5 Correct 1 ms 460 KB Output is correct
6 Correct 1 ms 460 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 460 KB Output is correct
10 Correct 1 ms 460 KB Output is correct
11 Correct 1 ms 460 KB Output is correct
12 Correct 1 ms 460 KB Output is correct
13 Correct 1 ms 460 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 1 ms 460 KB Output is correct
16 Correct 1 ms 460 KB Output is correct
17 Correct 1 ms 460 KB Output is correct
18 Correct 1 ms 460 KB Output is correct
19 Correct 1 ms 460 KB Output is correct
20 Correct 1 ms 460 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 101 ms 1444 KB Output is correct
2 Correct 183 ms 1436 KB Output is correct
3 Correct 224 ms 1432 KB Output is correct
4 Correct 9 ms 1372 KB Output is correct
5 Correct 10 ms 1368 KB Output is correct
6 Correct 10 ms 1372 KB Output is correct
7 Correct 9 ms 1356 KB Output is correct
8 Correct 9 ms 1356 KB Output is correct
9 Correct 8 ms 1380 KB Output is correct
10 Correct 10 ms 1356 KB Output is correct
11 Correct 9 ms 1300 KB Output is correct
12 Correct 9 ms 1328 KB Output is correct
13 Correct 9 ms 1356 KB Output is correct
14 Correct 11 ms 1376 KB Output is correct
15 Correct 11 ms 1356 KB Output is correct
16 Correct 9 ms 1356 KB Output is correct
17 Correct 9 ms 1356 KB Output is correct
18 Correct 234 ms 1136 KB Output is correct

Subtask #4
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 1228 KB Output is correct
2 Correct 8 ms 1228 KB Output is correct
3 Correct 9 ms 1356 KB Output is correct
4 Correct 10 ms 1344 KB Output is correct
5 Correct 11 ms 1376 KB Output is correct
6 Correct 9 ms 1356 KB Output is correct
7 Correct 9 ms 1356 KB Output is correct
8 Correct 9 ms 1356 KB Output is correct
9 Correct 8 ms 1228 KB Output is correct
10 Correct 9 ms 1356 KB Output is correct
11 Correct 10 ms 1356 KB Output is correct
12 Correct 9 ms 1376 KB Output is correct
13 Correct 9 ms 1356 KB Output is correct
14 Correct 8 ms 1228 KB Output is correct

Subtask #5
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 1356 KB Output is correct
2 Correct 10 ms 1396 KB Output is correct
3 Correct 10 ms 1356 KB Output is correct
4 Correct 11 ms 1356 KB Output is correct
5 Correct 2 ms 588 KB Output is correct
6 Correct 5 ms 972 KB Output is correct
7 Correct 6 ms 1100 KB Output is correct
8 Correct 6 ms 1100 KB Output is correct
9 Correct 7 ms 1100 KB Output is correct
10 Correct 2 ms 716 KB Output is correct
11 Correct 6 ms 972 KB Output is correct

Subtask #6
51.0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 1100 KB Output is correct
2 Correct 6 ms 1012 KB Output is correct
3 Correct 5 ms 972 KB Output is correct
4 Correct 5 ms 1040 KB Output is correct
5 Correct 5 ms 1100 KB Output is correct
6 Correct 5 ms 972 KB Output is correct
7 Correct 5 ms 1012 KB Output is correct
8 Correct 6 ms 972 KB Output is correct
9 Correct 6 ms 972 KB Output is correct
10 Correct 5 ms 1004 KB Output is correct
11 Correct 4 ms 972 KB Output is correct
12 Correct 1 ms 460 KB Output is correct
13 Correct 1 ms 460 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 1 ms 460 KB Output is correct
16 Correct 1 ms 460 KB Output is correct
17 Correct 1 ms 460 KB Output is correct
18 Correct 1 ms 460 KB Output is correct
19 Correct 1 ms 460 KB Output is correct
20 Correct 1 ms 460 KB Output is correct
21 Correct 1 ms 460 KB Output is correct
22 Correct 1 ms 460 KB Output is correct
23 Correct 1 ms 460 KB Output is correct
24 Correct 1 ms 460 KB Output is correct
25 Correct 1 ms 460 KB Output is correct
26 Correct 1 ms 460 KB Output is correct
27 Correct 1 ms 460 KB Output is correct
28 Correct 1 ms 460 KB Output is correct
29 Correct 1 ms 460 KB Output is correct
30 Correct 1 ms 460 KB Output is correct
31 Correct 1 ms 460 KB Output is correct
32 Correct 101 ms 1444 KB Output is correct
33 Correct 183 ms 1436 KB Output is correct
34 Correct 224 ms 1432 KB Output is correct
35 Correct 9 ms 1372 KB Output is correct
36 Correct 10 ms 1368 KB Output is correct
37 Correct 10 ms 1372 KB Output is correct
38 Correct 9 ms 1356 KB Output is correct
39 Correct 9 ms 1356 KB Output is correct
40 Correct 8 ms 1380 KB Output is correct
41 Correct 10 ms 1356 KB Output is correct
42 Correct 9 ms 1300 KB Output is correct
43 Correct 9 ms 1328 KB Output is correct
44 Correct 9 ms 1356 KB Output is correct
45 Correct 11 ms 1376 KB Output is correct
46 Correct 11 ms 1356 KB Output is correct
47 Correct 9 ms 1356 KB Output is correct
48 Correct 9 ms 1356 KB Output is correct
49 Correct 234 ms 1136 KB Output is correct
50 Correct 8 ms 1228 KB Output is correct
51 Correct 8 ms 1228 KB Output is correct
52 Correct 9 ms 1356 KB Output is correct
53 Correct 10 ms 1344 KB Output is correct
54 Correct 11 ms 1376 KB Output is correct
55 Correct 9 ms 1356 KB Output is correct
56 Correct 9 ms 1356 KB Output is correct
57 Correct 9 ms 1356 KB Output is correct
58 Correct 8 ms 1228 KB Output is correct
59 Correct 9 ms 1356 KB Output is correct
60 Correct 10 ms 1356 KB Output is correct
61 Correct 9 ms 1376 KB Output is correct
62 Correct 9 ms 1356 KB Output is correct
63 Correct 8 ms 1228 KB Output is correct
64 Correct 9 ms 1356 KB Output is correct
65 Correct 10 ms 1396 KB Output is correct
66 Correct 10 ms 1356 KB Output is correct
67 Correct 11 ms 1356 KB Output is correct
68 Correct 2 ms 588 KB Output is correct
69 Correct 5 ms 972 KB Output is correct
70 Correct 6 ms 1100 KB Output is correct
71 Correct 6 ms 1100 KB Output is correct
72 Correct 7 ms 1100 KB Output is correct
73 Correct 2 ms 716 KB Output is correct
74 Correct 6 ms 972 KB Output is correct
75 Correct 140 ms 1440 KB Output is correct
76 Correct 212 ms 1444 KB Output is correct
77 Correct 267 ms 1416 KB Output is correct
78 Correct 266 ms 1420 KB Output is correct
79 Correct 270 ms 1428 KB Output is correct
80 Correct 10 ms 1300 KB Output is correct
81 Correct 10 ms 1356 KB Output is correct
82 Correct 12 ms 1356 KB Output is correct
83 Correct 10 ms 1356 KB Output is correct
84 Correct 10 ms 1400 KB Output is correct
85 Correct 10 ms 1356 KB Output is correct
86 Correct 11 ms 1356 KB Output is correct
87 Correct 9 ms 1356 KB Output is correct
88 Correct 12 ms 1400 KB Output is correct
89 Correct 10 ms 1356 KB Output is correct
90 Correct 18 ms 1372 KB Output is correct
91 Correct 17 ms 1408 KB Output is correct
92 Correct 23 ms 1412 KB Output is correct
93 Correct 25 ms 1356 KB Output is correct
94 Correct 24 ms 1404 KB Output is correct
95 Correct 33 ms 1356 KB Output is correct
96 Correct 87 ms 1324 KB Output is correct
97 Correct 271 ms 1356 KB Output is correct
98 Correct 417 ms 1380 KB Output is correct
99 Correct 395 ms 1356 KB Output is correct
100 Correct 233 ms 1100 KB Output is correct