Submission #206653

#	Time	Username	Problem	Language	Result	Execution time	Memory
206653		mayhoubsaleh	Treasure (info1cup19_treasure)	C++14	100 / 100	7 ms	1028 KiB

treasure

#include <bits/stdc++.h>
#include <string>
#define ll long long
#define pb push_back
#define IOS ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);

using namespace std;
string s;
int main()
{
    IOS
    int n,k;
    cin>>n>>k;
    cin>>s;
    stack<pair<char,int>>st;
    for(int i=0;i<n;i++){
        if(!st.size()){
            st.push({s[i],1});
            continue;
        }
        if(st.top().first!=s[i]){
            st.push({s[i],1});
            continue;
        }
        st.top().second++;
        if(st.top().second==k){
            st.pop();
        }
    }
    string ans;
    while(st.size()){
        for(int i=0;i<st.top().second;i++){
            ans.pb(st.top().first);
        }
        st.pop();
    }
    reverse(ans.begin(),ans.end());
    cout<<ans<<endl;
    return 0;
}

• Subtask 1: 35 / 35
• Subtask 2: 65 / 65