Submission #220292

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
220292	2020-04-07T14:44:30 Z	Sho10	Treasure (info1cup19_treasure)	C++14	100 / 100	195 ms	1212 KB

treasure

/*
ID: Sho10
LANG: C++
*/
#include <bits/stdc++.h> //Andrei Alexandru a.k.a Sho10
#define ll long long int
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#define all(a) (a).begin(), (a).end()
#define sz size
#define f first
#define s second
#define pb push_back
#define er erase
#define in insert
#define mp make_pair
#define pi pair
#define rc(s) return cout<<s,0
#define endl '\n'
#define mod 1000000007
#define PI 3.14159265359
#define CODE_START  ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
using namespace std;
ll n,k;
string s;
stack<pair<char,ll>>v;
int32_t main(){
CODE_START;
cin>>n>>k;
cin>>s;
for(ll i=0;i<s.size();i++)
{
    if(v.empty()){
        v.push(mp(s[i],1));
        continue;
    }
    if(s[i]!=v.top().f){
        v.push(mp(s[i],1));
        continue;
    }
    v.top().s++;
    if(v.top().s==k){
        v.pop();
    }
}
string ans="";
while(!v.empty()){
    for(ll i=0;i<v.top().s;i++)
    {
        ans=ans+v.top().f;
    }
    v.pop();
}
reverse(ans.begin(),ans.end());
cout<<ans<<endl;
}

Compilation message

treasure.cpp: In function 'int32_t main()':
treasure.cpp:31:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 for(ll i=0;i<s.size();i++)
            ~^~~~~~~~~

Subtask #1

35.0 / 35.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	5 ms	384 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	5 ms	384 KB	Output is correct
5	Correct	5 ms	384 KB	Output is correct
6	Correct	5 ms	384 KB	Output is correct

Subtask #2

65.0 / 65.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	5 ms	384 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	5 ms	384 KB	Output is correct
5	Correct	5 ms	384 KB	Output is correct
6	Correct	5 ms	384 KB	Output is correct
7	Correct	5 ms	384 KB	Output is correct
8	Correct	5 ms	384 KB	Output is correct
9	Correct	5 ms	384 KB	Output is correct
10	Correct	5 ms	384 KB	Output is correct
11	Correct	5 ms	384 KB	Output is correct
12	Correct	5 ms	384 KB	Output is correct
13	Correct	5 ms	384 KB	Output is correct
14	Correct	5 ms	384 KB	Output is correct
15	Correct	5 ms	384 KB	Output is correct
16	Correct	6 ms	384 KB	Output is correct
17	Correct	6 ms	512 KB	Output is correct
18	Correct	7 ms	512 KB	Output is correct
19	Correct	8 ms	512 KB	Output is correct
20	Correct	8 ms	512 KB	Output is correct
21	Correct	8 ms	640 KB	Output is correct
22	Correct	9 ms	640 KB	Output is correct
23	Correct	18 ms	640 KB	Output is correct
24	Correct	33 ms	908 KB	Output is correct
25	Correct	18 ms	896 KB	Output is correct
26	Correct	195 ms	1212 KB	Output is correct
27	Correct	164 ms	1152 KB	Output is correct
28	Correct	57 ms	1048 KB	Output is correct
29	Correct	100 ms	1120 KB	Output is correct
30	Correct	25 ms	908 KB	Output is correct
31	Correct	22 ms	908 KB	Output is correct
32	Correct	15 ms	908 KB	Output is correct
33	Correct	15 ms	908 KB	Output is correct
34	Correct	10 ms	908 KB	Output is correct
35	Correct	10 ms	908 KB	Output is correct