oj.uz

Submission #427569

# Submission time Handle Problem Language Result Execution time Memory
427569 2021-06-14T17:18:19 Z TLP39 Toy Train (IOI17_train) C++14
11 / 100
 19 ms 1100 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 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]=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]=loop[i];
    }
  	return res;
}

Compilation message

train.cpp: In function 'bool getreach()':
train.cpp:22:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |        for(int i=0;i<point_to[j].size();i++)
      |                    ~^~~~~~~~~~~~~~~~~~~
train.cpp:39:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |        for(int i=0;i<point_to[tt].size();i++)
      |                    ~^~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 716 KB 3rd lines differ - on the 1st token, expected: '0', found: '1'
2 Halted 0 ms 0 KB -

Subtask #2
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 Incorrect 1 ms 424 KB 3rd lines differ - on the 4th token, expected: '0', found: '1'
5 Halted 0 ms 0 KB -

Subtask #3
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 8 ms 1100 KB 3rd lines differ - on the 1st token, expected: '0', found: '1'
2 Halted 0 ms 0 KB -

Subtask #4
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 960 KB Output is correct
2 Correct 9 ms 900 KB Output is correct
3 Correct 7 ms 972 KB Output is correct
4 Correct 11 ms 972 KB Output is correct
5 Correct 13 ms 1092 KB Output is correct
6 Correct 19 ms 972 KB Output is correct
7 Correct 12 ms 972 KB Output is correct
8 Correct 8 ms 972 KB Output is correct
9 Correct 9 ms 968 KB Output is correct
10 Correct 8 ms 1100 KB Output is correct
11 Correct 8 ms 1100 KB Output is correct
12 Correct 8 ms 992 KB Output is correct
13 Correct 8 ms 972 KB Output is correct
14 Correct 7 ms 972 KB Output is correct

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 972 KB Output is correct
2 Correct 9 ms 1000 KB Output is correct
3 Correct 8 ms 972 KB Output is correct
4 Correct 7 ms 972 KB Output is correct
5 Correct 1 ms 460 KB Output is correct
6 Correct 5 ms 716 KB Output is correct
7 Correct 5 ms 844 KB Output is correct
8 Incorrect 6 ms 844 KB 3rd lines differ - on the 5th token, expected: '0', found: '1'
9 Halted 0 ms 0 KB -

Subtask #6
0 / 51.0

# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 716 KB 3rd lines differ - on the 1st token, expected: '0', found: '1'
2 Halted 0 ms 0 KB -