oj.uz

Submission #577171

# Submission time Handle Problem Language Result Execution time Memory
577171 2022-06-14T08:27:52 Z HIR180 Toy Train (IOI17_train) C++17
100 / 100
 436 ms 1700 KB 
#include "train.h"
#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0;i<n;i++)
#define pb push_back

vector<int> who_wins(vector<int> a, vector<int> r, vector<int> u, vector<int> v) {
	int n = a.size();
	vector<int> res(n);
	vector<vector<int>>edge(n), redge(n);
	rep(i, u.size()){
		edge[u[i]].pb(v[i]);
		redge[v[i]].pb(u[i]);
	}
	while(1){
		vector<int>zan(n), ok(n), in(n);
		rep(i, n) ok[i] = edge[i].size();
		queue<int>que;
		vector<int>frst(n);
		int idx = 0;
		rep(i, n) if(r[i]){
			que.push(i);
			frst[i] = 1;
			idx++;
		}
		while(!que.empty()){
			int q = que.front(); que.pop();
			idx--;
			if(idx < 0 and in[q] and frst[q]) continue;
			for(auto ot:redge[q]){
				ok[ot] --;
				if(!in[ot] and (!ok[ot] or a[ot])){
					que.push(ot);
					in[ot] = 1;
				}
			}
		}
		bool upd = 0;
		rep(i, n){
			if(r[i] and !in[i]){
				r[i] = 0;
				upd = 1;
			}
		}
		if(!upd){
			rep(i, n) res[i] = in[i];
			return res;
		}
	}
}

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:4:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    4 | #define rep(i,n) for(int i=0;i<n;i++)
......
   11 |  rep(i, u.size()){
      |      ~~~~~~~~~~~               
train.cpp:11:2: note: in expansion of macro 'rep'
   11 |  rep(i, u.size()){
      |  ^~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 1108 KB Output is correct
2 Correct 7 ms 1236 KB Output is correct
3 Correct 6 ms 1204 KB Output is correct
4 Correct 8 ms 1108 KB Output is correct
5 Correct 6 ms 1108 KB Output is correct
6 Correct 7 ms 1108 KB Output is correct
7 Correct 5 ms 1120 KB Output is correct
8 Correct 6 ms 1204 KB Output is correct
9 Correct 5 ms 1108 KB Output is correct
10 Correct 4 ms 1108 KB Output is correct
11 Correct 4 ms 1108 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 300 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 304 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 300 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 82 ms 1620 KB Output is correct
2 Correct 152 ms 1680 KB Output is correct
3 Correct 215 ms 1672 KB Output is correct
4 Correct 8 ms 1620 KB Output is correct
5 Correct 11 ms 1592 KB Output is correct
6 Correct 9 ms 1592 KB Output is correct
7 Correct 8 ms 1596 KB Output is correct
8 Correct 8 ms 1620 KB Output is correct
9 Correct 7 ms 1560 KB Output is correct
10 Correct 7 ms 1492 KB Output is correct
11 Correct 7 ms 1588 KB Output is correct
12 Correct 7 ms 1492 KB Output is correct
13 Correct 7 ms 1700 KB Output is correct
14 Correct 7 ms 1588 KB Output is correct
15 Correct 8 ms 1604 KB Output is correct
16 Correct 9 ms 1596 KB Output is correct
17 Correct 8 ms 1620 KB Output is correct
18 Correct 306 ms 1296 KB Output is correct

Subtask #4
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 1364 KB Output is correct
2 Correct 7 ms 1492 KB Output is correct
3 Correct 8 ms 1632 KB Output is correct
4 Correct 8 ms 1596 KB Output is correct
5 Correct 7 ms 1620 KB Output is correct
6 Correct 9 ms 1620 KB Output is correct
7 Correct 8 ms 1620 KB Output is correct
8 Correct 8 ms 1492 KB Output is correct
9 Correct 10 ms 1492 KB Output is correct
10 Correct 8 ms 1588 KB Output is correct
11 Correct 8 ms 1592 KB Output is correct
12 Correct 9 ms 1556 KB Output is correct
13 Correct 8 ms 1600 KB Output is correct
14 Correct 7 ms 1556 KB Output is correct

Subtask #5
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 1620 KB Output is correct
2 Correct 7 ms 1620 KB Output is correct
3 Correct 8 ms 1620 KB Output is correct
4 Correct 7 ms 1548 KB Output is correct
5 Correct 1 ms 308 KB Output is correct
6 Correct 4 ms 1100 KB Output is correct
7 Correct 5 ms 980 KB Output is correct
8 Correct 5 ms 984 KB Output is correct
9 Correct 5 ms 980 KB Output is correct
10 Correct 2 ms 444 KB Output is correct
11 Correct 5 ms 980 KB Output is correct

Subtask #6
51.0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 1108 KB Output is correct
2 Correct 7 ms 1236 KB Output is correct
3 Correct 6 ms 1204 KB Output is correct
4 Correct 8 ms 1108 KB Output is correct
5 Correct 6 ms 1108 KB Output is correct
6 Correct 7 ms 1108 KB Output is correct
7 Correct 5 ms 1120 KB Output is correct
8 Correct 6 ms 1204 KB Output is correct
9 Correct 5 ms 1108 KB Output is correct
10 Correct 4 ms 1108 KB Output is correct
11 Correct 4 ms 1108 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 300 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 304 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 1 ms 300 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 82 ms 1620 KB Output is correct
33 Correct 152 ms 1680 KB Output is correct
34 Correct 215 ms 1672 KB Output is correct
35 Correct 8 ms 1620 KB Output is correct
36 Correct 11 ms 1592 KB Output is correct
37 Correct 9 ms 1592 KB Output is correct
38 Correct 8 ms 1596 KB Output is correct
39 Correct 8 ms 1620 KB Output is correct
40 Correct 7 ms 1560 KB Output is correct
41 Correct 7 ms 1492 KB Output is correct
42 Correct 7 ms 1588 KB Output is correct
43 Correct 7 ms 1492 KB Output is correct
44 Correct 7 ms 1700 KB Output is correct
45 Correct 7 ms 1588 KB Output is correct
46 Correct 8 ms 1604 KB Output is correct
47 Correct 9 ms 1596 KB Output is correct
48 Correct 8 ms 1620 KB Output is correct
49 Correct 306 ms 1296 KB Output is correct
50 Correct 7 ms 1364 KB Output is correct
51 Correct 7 ms 1492 KB Output is correct
52 Correct 8 ms 1632 KB Output is correct
53 Correct 8 ms 1596 KB Output is correct
54 Correct 7 ms 1620 KB Output is correct
55 Correct 9 ms 1620 KB Output is correct
56 Correct 8 ms 1620 KB Output is correct
57 Correct 8 ms 1492 KB Output is correct
58 Correct 10 ms 1492 KB Output is correct
59 Correct 8 ms 1588 KB Output is correct
60 Correct 8 ms 1592 KB Output is correct
61 Correct 9 ms 1556 KB Output is correct
62 Correct 8 ms 1600 KB Output is correct
63 Correct 7 ms 1556 KB Output is correct
64 Correct 9 ms 1620 KB Output is correct
65 Correct 7 ms 1620 KB Output is correct
66 Correct 8 ms 1620 KB Output is correct
67 Correct 7 ms 1548 KB Output is correct
68 Correct 1 ms 308 KB Output is correct
69 Correct 4 ms 1100 KB Output is correct
70 Correct 5 ms 980 KB Output is correct
71 Correct 5 ms 984 KB Output is correct
72 Correct 5 ms 980 KB Output is correct
73 Correct 2 ms 444 KB Output is correct
74 Correct 5 ms 980 KB Output is correct
75 Correct 123 ms 1620 KB Output is correct
76 Correct 159 ms 1684 KB Output is correct
77 Correct 223 ms 1688 KB Output is correct
78 Correct 219 ms 1592 KB Output is correct
79 Correct 217 ms 1676 KB Output is correct
80 Correct 8 ms 1592 KB Output is correct
81 Correct 9 ms 1592 KB Output is correct
82 Correct 10 ms 1620 KB Output is correct
83 Correct 11 ms 1620 KB Output is correct
84 Correct 10 ms 1592 KB Output is correct
85 Correct 9 ms 1620 KB Output is correct
86 Correct 10 ms 1592 KB Output is correct
87 Correct 8 ms 1592 KB Output is correct
88 Correct 13 ms 1628 KB Output is correct
89 Correct 11 ms 1592 KB Output is correct
90 Correct 17 ms 1652 KB Output is correct
91 Correct 20 ms 1596 KB Output is correct
92 Correct 35 ms 1648 KB Output is correct
93 Correct 27 ms 1588 KB Output is correct
94 Correct 30 ms 1620 KB Output is correct
95 Correct 30 ms 1620 KB Output is correct
96 Correct 68 ms 1492 KB Output is correct
97 Correct 258 ms 1652 KB Output is correct
98 Correct 396 ms 1620 KB Output is correct
99 Correct 436 ms 1592 KB Output is correct
100 Correct 308 ms 1296 KB Output is correct