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Submission #862242

# Submission time Handle Problem Language Result Execution time Memory
862242 2023-10-17T20:07:35 Z AbdelmagedNour Set (COCI21_set) C++17
40 / 110
 1000 ms 6492 KB 
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
using namespace std;
typedef long long ll;
ll cnt[1<<25];
int a[600005],n,k;
int Xor(int a,int b){
	int res=0;
	for(int i=0;i<k;i++){
		int f=(a>>(i*2))&3,s=(b>>(i*2))&3;
		res+=((12-(f+s))%3)<<(2*i);
	}
	return res;
}
int convert(string s){
	int res=0;
	for(int i=0;i<k;i++){
		res+=(s[i]-'1')<<(2*i);
	}
	return res;
}
int main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	cin>>n>>k;
	ll res=0;
	for(int i=0;i<n;i++){
		string s;
		cin>>s;
		a[i]=convert(s);
		res+=cnt[a[i]];
		for(int j=0;j<i;j++)cnt[Xor(a[i],a[j])]++;
	}
	
	cout<<res;
	return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 464 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 0 ms 352 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 464 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 0 ms 468 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 464 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 0 ms 352 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 464 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 0 ms 468 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 25 ms 560 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 22 ms 560 KB Output is correct
24 Correct 2 ms 348 KB Output is correct
25 Correct 21 ms 556 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 20 ms 568 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct

Subtask #3
0 / 70.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 464 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 0 ms 352 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 464 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 0 ms 468 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 25 ms 560 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 22 ms 560 KB Output is correct
24 Correct 2 ms 348 KB Output is correct
25 Correct 21 ms 556 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 20 ms 568 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 1 ms 6492 KB Output is correct
33 Correct 1 ms 2396 KB Output is correct
34 Execution timed out 1040 ms 1688 KB Time limit exceeded
35 Halted 0 ms 0 KB -