# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
862184 |
2023-10-17T16:09:55 Z |
TAhmed33 |
Set (COCI21_set) |
C++ |
|
0 ms |
0 KB |
#include <bits/stdc++.h>
using namespace std;
string op (string a, string b) {
string ret;
for (int i = 0; i < (int)a.length(); i++) {
if (a[i] == b[i]) ret += a[i];
else {
set <char> x = {'1', '2', '3'};
x.erase(a[i]); x.erase(b[i]);
ret += *(x.begin());
}
}
return ret;
}
string op2[2188][2188];
int main () {
int n, m;
cin >> n >> m;
string arr[n];
for (int i = 0; i < n; i++) cin >> arr[i];
for (int i = 0; i < n; i++) {
for (int j = 0; j < i; j++) {
op2[i][j] = op(arr[i], arr[j]);
}
}
long long ans = 0;
for (int i = 0; i < n; i++) {
unordered_map <string, int> freq2;
for (int j = 0; j < i; j++) {
if (arr[i] == arr[j]) continue;
ans += freq2[op2[i][j]];
freq2[arr[j]]++;
}
ans += freq2[arr[i]] * (cnt[arr[i]] - 1) / 2;
}
cout << ans << '\n';
}
Compilation message
Main.cpp: In function 'int main()':
Main.cpp:34:27: error: 'cnt' was not declared in this scope; did you mean 'int'?
34 | ans += freq2[arr[i]] * (cnt[arr[i]] - 1) / 2;
| ^~~
| int