Submission #1184510

#	Time	Username	Problem	Language	Result	Execution time	Memory
1184510		vitosevski	Bliskost (COI23_bliskost)	C++20	0 / 100	0 ms	324 KiB

Main

#include <bits/stdc++.h>
using namespace std;
using ll=long long;
#define F first
#define S second
#define sz(x) int(x.size())
string odg[2]={"ne", "da"};
int n, q;
string s, t, so;
int f() {
	int x=0;
	for(int i=0; i<n; i++) {
		int d=t[i]-s[i]+26;
		d%=26;
		x+=d;
	}
	return x%2==0;
}
signed main() {
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	cin >> n >> q;
	cin >> s >> t;
	so=s;
	if(n==1) {
		cout << (s==t ? "da" : "ne") << '\n';
		return 0;
	}
	cout << odg[f()] << '\n';
	while(q--) {
		int p;
		char c;
		cin >> p >> c;
		so[p-1]=c;
		s=so;
		// cout << s << ' ' << t << '\n';
		cout << odg[f()] << '\n';
	}
	return 0;
}

• Subtask 1: 0 / 7
• Subtask 2: 0 / 8
• Subtask 3: 0 / 13
• Subtask 4: 0 / 12
• Subtask 5: 0 / 17
• Subtask 6: 0 / 43