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Submission #894821

# Submission time Handle Problem Language Result Execution time Memory
894821 2023-12-29T04:42:59 Z Faisal_Saqib Fountain Parks (IOI21_parks) C++17
0 / 100
 1 ms 348 KB 
#include <vector>
using namespace std;
void build(std::vector<int> u, std::vector<int> v, std::vector<int> a, std::vector<int> b);
int construct_roads(std::vector<int> x, std::vector<int> y)
{
	bool pos=1;
	int n=x.size();
	vector<int> u,v,a,b;
	vector<vector<int>> cp;
	for(int i=0;i<n;i++)
		cp.push_back({y[i],x[i],i});
	for(int i=0;(i+1)<n;i++)
	{
		// go from y[i] to y[i+1]
		if(cp[i+1][0]-cp[i][0] != 2)
			return 0;
		u.push_back(cp[i][2]);
		v.push_back(cp[i+1][2]);
		a.push_back(cp[i][1]-1);
		b.push_back(cp[i][0]-1);
	}
	build(u,v,a,b);
	return 1;
}

Compilation message

parks.cpp: In function 'int construct_roads(std::vector<int>, std::vector<int>)':
parks.cpp:6:7: warning: unused variable 'pos' [-Wunused-variable]
    6 |  bool pos=1;
      |       ^~~

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Incorrect 0 ms 348 KB Tree (a[0], b[0]) = (1, 1) is not adjacent to edge between u[0]=0 @(2, 2) and v[0]=1 @(2, 4)
3 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Incorrect 0 ms 348 KB Tree (a[0], b[0]) = (1, 1) is not adjacent to edge between u[0]=0 @(2, 2) and v[0]=1 @(2, 4)
3 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Incorrect 0 ms 348 KB Tree (a[0], b[0]) = (1, 1) is not adjacent to edge between u[0]=0 @(2, 2) and v[0]=1 @(2, 4)
3 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Incorrect 0 ms 348 KB Tree (a[0], b[0]) = (1, 1) is not adjacent to edge between u[0]=0 @(2, 2) and v[0]=1 @(2, 4)
3 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Incorrect 0 ms 348 KB Tree (a[0], b[0]) = (1, 1) is not adjacent to edge between u[0]=0 @(2, 2) and v[0]=1 @(2, 4)
3 Halted 0 ms 0 KB -

Subtask #6
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Incorrect 0 ms 348 KB Tree (a[0], b[0]) = (1, 1) is not adjacent to edge between u[0]=0 @(2, 2) and v[0]=1 @(2, 4)
3 Halted 0 ms 0 KB -