oj.uz

Submission #427579

# Submission time Handle Problem Language Result Execution time Memory
427579 2021-06-14T17:24:42 Z TLP39 Toy Train (IOI17_train) C++14
100 / 100
 350 ms 1228 KB 
#include "train.h"
#include<bits/stdc++.h>
using namespace std;
 
int n,m;
vector<int> point_to[5003];
int ori_outdeg[5003]={};
int temp_outdeg[5003];
bool loop[5003];
bool temp_loop[5003];
int cou_loop=0,cou_temp_loop;
bool fin_res[5003];
bool getreach()
{
  	queue<int> q;
  	int tt;
  	for(int i=0;i<n;i++) temp_outdeg[i]=ori_outdeg[i];
  	for(int i=0;i<n;i++) temp_loop[i]=false;
  	cou_temp_loop=0;
  	for(int j=0;j<n;j++)
    {
      	if(!loop[j]) continue;
      	for(int i=0;i<point_to[j].size();i++)
    	{
      		temp_outdeg[point_to[j][i]]--;
      		if(!temp_outdeg[point_to[j][i]]) q.push(point_to[j][i]);
   		}
    }
  	
  	while(!q.empty())
    {
      	tt=q.front();
      	q.pop();
      	temp_loop[tt]=true;
      	if(loop[tt])
        {
          	cou_temp_loop++;
          	continue;
        }
      	for(int i=0;i<point_to[tt].size();i++)
    	{
      		temp_outdeg[point_to[tt][i]]--;
      		if(!temp_outdeg[point_to[tt][i]]) q.push(point_to[tt][i]);
    	}
    }
  	for(int i=0;i<n;i++) {loop[i]=min(loop[i],temp_loop[i]);fin_res[i]=temp_loop[i];}
  	int temp2=cou_loop;
  	cou_loop=cou_temp_loop;
  	return temp2==cou_temp_loop;
}
 
std::vector<int> who_wins(std::vector<int> a, std::vector<int> r, std::vector<int> u, std::vector<int> v) {
	std::vector<int> res(a.size(),1);
  	n=a.size();
  	m=u.size();
  	for(int i=0;i<m;i++) 
    {
      	point_to[v[i]].push_back(u[i]);
      	ori_outdeg[u[i]]++;
    }
  	for(int i=0;i<n;i++) {loop[i]=r[i]; cou_loop+=r[i];}
  	for(int i=0;i<n;i++) if(a[i]) ori_outdeg[i]=1;
  	while(!getreach()) continue;
  	for(int i=0;i<n;i++)
    {
      	res[i]=fin_res[i];
    }
  	return res;
}

Compilation message

train.cpp: In function 'bool getreach()':
train.cpp:23:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |        for(int i=0;i<point_to[j].size();i++)
      |                    ~^~~~~~~~~~~~~~~~~~~
train.cpp:40:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |        for(int i=0;i<point_to[tt].size();i++)
      |                    ~^~~~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 760 KB Output is correct
2 Correct 6 ms 716 KB Output is correct
3 Correct 6 ms 716 KB Output is correct
4 Correct 6 ms 764 KB Output is correct
5 Correct 7 ms 836 KB Output is correct
6 Correct 6 ms 844 KB Output is correct
7 Correct 6 ms 828 KB Output is correct
8 Correct 6 ms 716 KB Output is correct
9 Correct 5 ms 716 KB Output is correct
10 Correct 4 ms 716 KB Output is correct
11 Correct 4 ms 716 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 0 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 95 ms 1100 KB Output is correct
2 Correct 172 ms 1108 KB Output is correct
3 Correct 229 ms 1100 KB Output is correct
4 Correct 8 ms 1100 KB Output is correct
5 Correct 12 ms 1100 KB Output is correct
6 Correct 12 ms 1092 KB Output is correct
7 Correct 11 ms 1064 KB Output is correct
8 Correct 10 ms 1084 KB Output is correct
9 Correct 7 ms 948 KB Output is correct
10 Correct 7 ms 1060 KB Output is correct
11 Correct 7 ms 972 KB Output is correct
12 Correct 7 ms 972 KB Output is correct
13 Correct 8 ms 1100 KB Output is correct
14 Correct 8 ms 1100 KB Output is correct
15 Correct 8 ms 1044 KB Output is correct
16 Correct 8 ms 1100 KB Output is correct
17 Correct 8 ms 1100 KB Output is correct
18 Correct 237 ms 880 KB Output is correct

Subtask #4
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 972 KB Output is correct
2 Correct 7 ms 972 KB Output is correct
3 Correct 8 ms 1000 KB Output is correct
4 Correct 8 ms 992 KB Output is correct
5 Correct 8 ms 972 KB Output is correct
6 Correct 8 ms 988 KB Output is correct
7 Correct 8 ms 1024 KB Output is correct
8 Correct 7 ms 972 KB Output is correct
9 Correct 10 ms 976 KB Output is correct
10 Correct 10 ms 1100 KB Output is correct
11 Correct 8 ms 1100 KB Output is correct
12 Correct 10 ms 996 KB Output is correct
13 Correct 8 ms 972 KB Output is correct
14 Correct 10 ms 972 KB Output is correct

Subtask #5
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 1100 KB Output is correct
2 Correct 8 ms 1100 KB Output is correct
3 Correct 8 ms 1032 KB Output is correct
4 Correct 7 ms 972 KB Output is correct
5 Correct 1 ms 460 KB Output is correct
6 Correct 4 ms 716 KB Output is correct
7 Correct 5 ms 844 KB Output is correct
8 Correct 7 ms 844 KB Output is correct
9 Correct 5 ms 836 KB Output is correct
10 Correct 2 ms 460 KB Output is correct
11 Correct 6 ms 716 KB Output is correct

Subtask #6
51.0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 760 KB Output is correct
2 Correct 6 ms 716 KB Output is correct
3 Correct 6 ms 716 KB Output is correct
4 Correct 6 ms 764 KB Output is correct
5 Correct 7 ms 836 KB Output is correct
6 Correct 6 ms 844 KB Output is correct
7 Correct 6 ms 828 KB Output is correct
8 Correct 6 ms 716 KB Output is correct
9 Correct 5 ms 716 KB Output is correct
10 Correct 4 ms 716 KB Output is correct
11 Correct 4 ms 716 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 0 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 95 ms 1100 KB Output is correct
33 Correct 172 ms 1108 KB Output is correct
34 Correct 229 ms 1100 KB Output is correct
35 Correct 8 ms 1100 KB Output is correct
36 Correct 12 ms 1100 KB Output is correct
37 Correct 12 ms 1092 KB Output is correct
38 Correct 11 ms 1064 KB Output is correct
39 Correct 10 ms 1084 KB Output is correct
40 Correct 7 ms 948 KB Output is correct
41 Correct 7 ms 1060 KB Output is correct
42 Correct 7 ms 972 KB Output is correct
43 Correct 7 ms 972 KB Output is correct
44 Correct 8 ms 1100 KB Output is correct
45 Correct 8 ms 1100 KB Output is correct
46 Correct 8 ms 1044 KB Output is correct
47 Correct 8 ms 1100 KB Output is correct
48 Correct 8 ms 1100 KB Output is correct
49 Correct 237 ms 880 KB Output is correct
50 Correct 7 ms 972 KB Output is correct
51 Correct 7 ms 972 KB Output is correct
52 Correct 8 ms 1000 KB Output is correct
53 Correct 8 ms 992 KB Output is correct
54 Correct 8 ms 972 KB Output is correct
55 Correct 8 ms 988 KB Output is correct
56 Correct 8 ms 1024 KB Output is correct
57 Correct 7 ms 972 KB Output is correct
58 Correct 10 ms 976 KB Output is correct
59 Correct 10 ms 1100 KB Output is correct
60 Correct 8 ms 1100 KB Output is correct
61 Correct 10 ms 996 KB Output is correct
62 Correct 8 ms 972 KB Output is correct
63 Correct 10 ms 972 KB Output is correct
64 Correct 8 ms 1100 KB Output is correct
65 Correct 8 ms 1100 KB Output is correct
66 Correct 8 ms 1032 KB Output is correct
67 Correct 7 ms 972 KB Output is correct
68 Correct 1 ms 460 KB Output is correct
69 Correct 4 ms 716 KB Output is correct
70 Correct 5 ms 844 KB Output is correct
71 Correct 7 ms 844 KB Output is correct
72 Correct 5 ms 836 KB Output is correct
73 Correct 2 ms 460 KB Output is correct
74 Correct 6 ms 716 KB Output is correct
75 Correct 146 ms 1112 KB Output is correct
76 Correct 171 ms 1120 KB Output is correct
77 Correct 238 ms 1100 KB Output is correct
78 Correct 241 ms 1092 KB Output is correct
79 Correct 243 ms 1228 KB Output is correct
80 Correct 8 ms 1100 KB Output is correct
81 Correct 10 ms 972 KB Output is correct
82 Correct 9 ms 972 KB Output is correct
83 Correct 10 ms 1100 KB Output is correct
84 Correct 11 ms 1004 KB Output is correct
85 Correct 9 ms 1076 KB Output is correct
86 Correct 12 ms 1100 KB Output is correct
87 Correct 8 ms 972 KB Output is correct
88 Correct 19 ms 992 KB Output is correct
89 Correct 8 ms 972 KB Output is correct
90 Correct 18 ms 1084 KB Output is correct
91 Correct 21 ms 1096 KB Output is correct
92 Correct 31 ms 1092 KB Output is correct
93 Correct 27 ms 984 KB Output is correct
94 Correct 26 ms 1100 KB Output is correct
95 Correct 28 ms 972 KB Output is correct
96 Correct 65 ms 1028 KB Output is correct
97 Correct 236 ms 1080 KB Output is correct
98 Correct 350 ms 1060 KB Output is correct
99 Correct 338 ms 1048 KB Output is correct
100 Correct 234 ms 844 KB Output is correct