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Submission #862191

# Submission time Handle Problem Language Result Execution time Memory
862191 2023-10-17T16:28:01 Z TAhmed33 Set (COCI21_set) C++
40 / 110
 314 ms 604 KB 
#include <bits/stdc++.h>
using namespace std;
int op (string a, string b) {
	int ret = 0;
	for (int i = 0; i < (int)a.length(); i++) {
		ret *= 3;
		if (a[i] == b[i]) ret += a[i] - '0';
		else if (a[i] == '1' && b[i] == '2') {
			ret += 3;
		} else if (a[i] == '2' && b[i] == '1') {
			ret += 3;
		} else if (a[i] == '1' && b[i] == '3') {
			ret += 2;
		} else if (a[i] == '3' && b[i] == '1') {
			ret += 2;
		} else {
			ret++;
		}
	}
	return ret;
}
int freq[6563];
int hsh[2188];
string arr[2188];
int hashh (string s) {
	int cnt = 0;
	for (int i = 0; i < s.length(); i++) {
		cnt *= 3; cnt += (s[i] - '0');
	}
	return cnt;
}
int main () {
	ios::sync_with_stdio(0);
	cin.tie(0);
	int n, m;
	cin >> n >> m;
	for (int i = 0; i < n; i++) {
		cin >> arr[i];
		hsh[i] = hashh(arr[i]);
		freq[hsh[i]]++;
	}
	long long ans = 0;
	for (int i = 0; i < n; i++) {
		for (int j = 0; j < n; j++) {
			if (i == j) continue;
			ans += freq[op(arr[i], arr[j])];
			if (hsh[i] == hsh[j]) ans -= 2;
		}
	}
	ans /= 6;
	cout << ans << '\n';
}

Compilation message

Main.cpp: In function 'int hashh(std::string)':
Main.cpp:27:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |  for (int i = 0; i < s.length(); i++) {
      |                  ~~^~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 4 ms 604 KB Output is correct
5 Correct 1 ms 600 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 3 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 3 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 3 ms 348 KB Output is correct
13 Correct 0 ms 596 KB Output is correct
14 Correct 0 ms 600 KB Output is correct
15 Correct 1 ms 348 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 4 ms 604 KB Output is correct
5 Correct 1 ms 600 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 3 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 3 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 3 ms 348 KB Output is correct
13 Correct 0 ms 596 KB Output is correct
14 Correct 0 ms 600 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 314 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 352 KB Output is correct
22 Correct 0 ms 352 KB Output is correct
23 Correct 287 ms 600 KB Output is correct
24 Correct 18 ms 352 KB Output is correct
25 Correct 277 ms 548 KB Output is correct
26 Correct 3 ms 352 KB Output is correct
27 Correct 261 ms 352 KB Output is correct
28 Correct 1 ms 352 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 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 4 ms 604 KB Output is correct
5 Correct 1 ms 600 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 3 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 3 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 3 ms 348 KB Output is correct
13 Correct 0 ms 596 KB Output is correct
14 Correct 0 ms 600 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 314 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 352 KB Output is correct
22 Correct 0 ms 352 KB Output is correct
23 Correct 287 ms 600 KB Output is correct
24 Correct 18 ms 352 KB Output is correct
25 Correct 277 ms 548 KB Output is correct
26 Correct 3 ms 352 KB Output is correct
27 Correct 261 ms 352 KB Output is correct
28 Correct 1 ms 352 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Runtime error 1 ms 604 KB Execution killed with signal 11
32 Halted 0 ms 0 KB -