Submission #1087946

#	Time	Username	Problem	Language	Result	Execution time	Memory
1087946		vicvic	Take-out (POI13_usu)	C++11	0 / 100	1069 ms	36972 KiB

usu

#include <iostream>
#include <fstream>
#include <vector>
#include <string>
#include <cstring>
using namespace std;
int n, k, cnt=0, p=0;
string input;
vector <pair <int, int>> v[500005];
bool can_place (int p, char a)
{
    int frecv[3]={0};
    for (int i=0;i<v[p].size();i++)
    {
        frecv[v[p][i].first-'b']++;
    }
    return ((a=='c' && frecv[1]==0) || (a=='b' && frecv[0]<k));
}
int main()
{
    cin >> n >> k;
    cin >> input;
    input=" "+input;
    for (int i=1;i<=n;i++)
    {
        if (p==0 || can_place (p, input[i]))
        {
            if (p==0)
            {
                cnt++;
                p=cnt;
            }
            v[p].push_back ({input[i], i});
            if (v[p].size()==k+1)
            {
                p--;
            }
        }
        else
        {
            cnt++;
            p++;
            v[p].push_back ({input[i], i});
        }
    }
    for (int i=1;i<=n/(k+1);i++)
    {
        for (auto itr : v[i])
        {
            cout << itr.second << " ";
        }
        cout << "\n";
    }
    return 0;
}

Compilation message (stderr)

usu.cpp: In function 'bool can_place(int, char)':
usu.cpp:13:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |     for (int i=0;i<v[p].size();i++)
      |                  ~^~~~~~~~~~~~
usu.cpp: In function 'int main()':
usu.cpp:34:28: warning: comparison of integer expressions of different signedness: 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   34 |             if (v[p].size()==k+1)
      |                 ~~~~~~~~~~~^~~~~

• Subtask 1: 0 / 11
• Subtask 2: 0 / 11
• Subtask 3: 0 / 11
• Subtask 4: 0 / 11
• Subtask 5: 0 / 11
• Subtask 6: 0 / 11
• Subtask 7: 0 / 11
• Subtask 8: 0 / 11
• Subtask 9: 0 / 12