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Submission #658400

# Submission time Handle Problem Language Result Execution time Memory
658400 2022-11-13T05:16:49 Z sam571128 Set (COCI21_set) C++17
40 / 110
 552 ms 468 KB 
#include <bits/stdc++.h>

#define fastio ios_base::sync_with_stdio(0); cin.tie(0);

using namespace std;

const int N = 2205;
vector<int> cards[N];
int cnt[N];

int encode(vector<int> v){
	int num = 0, now = 1;
	for(auto x : v){
		num += x*now;
		now *= 3;
	}
	return num;
}

signed main(){
	fastio
	int n,k;
	cin >> n >> k;

	for(int i = 0; i < n; i++){
		for(int j = 0; j < k; j++){
			char c;
			cin >> c;
			cards[i].push_back(c-'0'-1);
		}
		cnt[encode(cards[i])]++;
	}

	int ans = 0;

	for(int i = 0; i < n; i++){
		cnt[encode(cards[i])]--;
		for(int j = i+1; j < n; j++){
			cnt[encode(cards[j])]--;
			vector<int> need;
			for(int x = 0; x < k; x++){
				if(cards[i][x]==cards[j][x]){
					need.push_back(cards[i][x]);
				}else{
					need.push_back(3-cards[i][x]-cards[j][x]);
				}
			}
			ans += cnt[encode(need)];
		}
		for(int j = i+1; j < n; j++){
			cnt[encode(cards[j])]++;
		}
	}

	cout << ans << "\n";
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 7 ms 384 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 8 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 6 ms 388 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 6 ms 376 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 7 ms 384 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 8 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 6 ms 388 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 6 ms 376 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 352 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 552 ms 468 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 0 ms 372 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 452 ms 468 KB Output is correct
24 Correct 40 ms 340 KB Output is correct
25 Correct 456 ms 468 KB Output is correct
26 Correct 5 ms 388 KB Output is correct
27 Correct 420 ms 468 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct

Subtask #3
0 / 70.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 7 ms 384 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 8 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 6 ms 388 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 6 ms 376 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 352 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 552 ms 468 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 0 ms 372 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 452 ms 468 KB Output is correct
24 Correct 40 ms 340 KB Output is correct
25 Correct 456 ms 468 KB Output is correct
26 Correct 5 ms 388 KB Output is correct
27 Correct 420 ms 468 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Runtime error 1 ms 468 KB Execution killed with signal 11
32 Halted 0 ms 0 KB -