Submission #518585

#	Time	Username	Problem	Language	Result	Execution time	Memory
518585		raid	Treasure (info1cup19_treasure)	C++17	100 / 100	7 ms	864 KiB

treasure

#include <iostream>
#include <vector>
#include <string>

using namespace std;

vector<pair<int, int>> stk;

int main() {
  int n, k;
  string s;

  cin >> n >> k >> s;
  stk.push_back( {s[0], 1} ); 
  for ( int i = 1; i < s.length(); ++i ) {
    if ( s[i] == stk.back().first ) {
      ++stk[stk.size() - 1].second;
      if ( stk[stk.size() - 1].second == k ) {
        stk.pop_back();
      }  
    } else {
      stk.push_back( {s[i], 1} );
    }
  }  
  for ( int i = 0; i < stk.size(); ++i ) {
    for ( int j = 0; j < stk[i].second; ++j ) {
      cout << (char)stk[i].first;
    }
  }
  return 0;
} 

Compilation message (stderr)

treasure.cpp: In function 'int main()':
treasure.cpp:15:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 |   for ( int i = 1; i < s.length(); ++i ) {
      |                    ~~^~~~~~~~~~~~
treasure.cpp:25:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |   for ( int i = 0; i < stk.size(); ++i ) {
      |                    ~~^~~~~~~~~~~~

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