Submission #645299

#	Time	Username	Problem	Language	Result	Execution time	Memory
645299		notme	Treasure (info1cup19_treasure)	C++14	100 / 100	5 ms	864 KiB

treasure

#include<bits/stdc++.h>
#define endl '\n'
using namespace std;
const int MAXN = 2e5 + 10;
void speed()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
}
int n, k;
char s[MAXN];
int cnt[MAXN];
void solve()
{
    cin >> n >> k;
    vector < pair < char, int > > v;
    for (int i = 1; i <= n; ++ i)
    {
        cin >> s[i];
        if(v.size())
        {
            if(v.back().first == s[i])
            {
                v.back().second ++;
            v.back().second %= k;
            if(v.back().second == 0)v.pop_back();
            }
            else v.push_back(make_pair(s[i], 1));
        }
        else v.push_back(make_pair(s[i], 1));
    }
    for (int i = 0; i < v.size(); ++ i)
    {
        for (int j = 0; j < v[i].second; ++ j)
            cout << v[i].first;
    }
    cout << endl;
}
int main()
{
    speed();
    solve();
    return 0;
}

Compilation message (stderr)

treasure.cpp: In function 'void solve()':
treasure.cpp:33:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<char, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |     for (int i = 0; i < v.size(); ++ i)
      |                     ~~^~~~~~~~~~

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