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Submission #1100611

# Submission time Handle Problem Language Result Execution time Memory
1100611 2024-10-14T10:29:36 Z vjudge1 Strange Device (APIO19_strange_device) C++17
0 / 100
 1 ms 2552 KB 
#include <bits/stdc++.h>
using namespace std;
 
#define int long long
 
const int NM = 3e5;
 
int N, x[NM+5], y[NM+5], ans = 0;
map <int, int> f, g;
 
signed main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	
	cin >> N;
	for (int i = 1; i <= N; i++){
		cin >> x[i] >> y[i];
		f[x[i]]++;
		g[y[i]]++;
	}
	for (int i = 1; i <= N; i++){
		ans += (f[x[i]]-1)*(g[y[i]]-1);
	}
	cout << ans;
	return 0;
}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 2384 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 2384 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 2552 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 2384 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 2384 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 2384 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 2384 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 2384 KB Output isn't correct
2 Halted 0 ms 0 KB -