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Submission #1100608

# Submission time Handle Problem Language Result Execution time Memory
1100608 2024-10-14T10:27:59 Z vjudge1 Strange Device (APIO19_strange_device) C++17
0 / 100
 1 ms 8696 KB 
#include <bits/stdc++.h>
 
#define FOR( i, x, n, d ) for( int i = x; i <= n; i += d )
 
using namespace std;
const int N = 1e6;
 
int a[N], b[N], x[N], y[N], a2[N], b2[N], tim;
long long ans = 0;
 
int main()
{	
	int n; cin >> n;
	
	set <int> st;
	map <int, int> mp;
	
	FOR( i, 1, n, 1 ) cin >> x[i] >> y[i], st.insert( x[i] ), st.insert( y[i] );
	for( auto i : st ) mp[i] = ++ tim;
	
	FOR( i, 1, n, 1 )
	{
		x[i] = mp[x[i]], y[i] = mp[y[i]];
		a[x[i]] ++, b[y[i]] ++;
	}
	FOR( i, 1, n, 1 )
	{
		ans += ( a[x[i]] - 1 ) * ( b[y[i]] - 1 );
	}
	cout << ans;
}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 8528 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 8528 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 8696 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 8528 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 8528 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 8528 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 8696 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 30.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 8528 KB Output isn't correct
2 Halted 0 ms 0 KB -