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Submission #954504

# Submission time Handle Problem Language Result Execution time Memory
954504 2024-03-28T05:18:00 Z willychan Bliskost (COI23_bliskost) C++17
0 / 100
 0 ms 348 KB 
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
//#include<bits/extc++.h>
//__gnu_pbds


string ans[2]={"ne","da"};

int main(){
	ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0);
	int n,q;cin>>n>>q;
	string s;cin>>s;
	string b;cin>>b;
	int cnt1=0;
	int cnt2=0;
	for(auto i : s) cnt1+=i-'a';
	cnt1%=2;
	for(auto i : b) cnt2+=i-'a';
	cnt2%=2;
	cout<<ans[cnt1==cnt2]<<"\n";
	for(int i=0;i<q;i++){
		int p;cin>>p;
		p--;
		char x;cin>>x;
		cnt1-=s[p]-'a';
		cnt1+=x-'a';
		s[p]=x;
		cnt1%=2;
		if(cnt1<0) cnt1+=2;
		cout<<ans[cnt1==cnt2]<<"\n";
	}

	
	

	return 0;
}

Subtask #1
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Incorrect 0 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Incorrect 0 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Incorrect 0 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Incorrect 0 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Incorrect 0 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Incorrect 0 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -