Submission #1320201

#	Time	Username	Problem	Language	Result	Execution time	Memory
1320201		eshanahmed	Bliskost (COI23_bliskost)	C++20	0 / 100	0 ms	332 KiB

Main

// ﷽
#include <bits/stdc++.h>
using namespace std;
#define ll long long
ll  MOD=26;


void solve(){
     ll n,q;
     cin>>n>>q;
     string a,b;
     cin>>a>>b;
     for(auto i=0;i<=q;i++){
        ll ls=0;
        vector<ll> dif;
        for(auto i=0;i<n;i++){
            ll temp=b[i]-a[i];
            if(temp<0){
               dif.push_back(26-abs(temp));
            }
            else{
               dif.push_back(temp);
            }
        }
        sort(dif.rbegin(),dif.rend());
        ll sum=0;
        for(auto i:dif){
          sum=abs(i-sum);
        }
        cout<<(sum==0 ? "da":"ne")<<endl;
        if(i!=q){
           ll ind;char temp;cin>>ind>>temp;ind--;
           a[ind]=temp;
        }
     }

}
int main(){
   ll n=1;
   while(n--){
     solve();
   }
}

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