Submission #67961312

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Source Code Expand

#include <algorithm>
#include <iostream>
#include <string.h>
#define malloc(x) (x*) malloc(sizeof(x))

using namespace std;
/*
string answer = "";
struct node
{
    bool exist;
    node *next[27];
};

node *createNode()
{
    node *newNode = malloc(node);
    newNode->exist = false;
    for(int i = 0 ; i <= 26 ; i++)
        newNode->next[i] = NULL;
    return newNode;
}

node *root = createNode();

void insert(string &str)
{
    node *curr = root;
    for(int i = 0 ; i < str.length() ; i++)
    {
        if(curr->next[str[i] - 'a'] == NULL)
            curr = curr->next[str[i] - 'a'];
    }
    curr->exist = true;
}

void find_answer(string &str)
{
    node *curr = root;
    for(int i = 0 ; i < str.length() ; i++)
    {
        curr = curr->next[str[i] - 'a'];
    }
    char mincode = str[0];

    for(int i = 0 ; i < 26 ; i++)
    {
        if(curr->next[i + 'a'] != NULL && i + 'a' < mincode)
    }
}
*/

int main()
{
    ios::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    int n,k,x;
    cin >> n >> k;
    string arr[n + 100], shortest = "{", idx = "";
    for(int i = 0; i < n ; i++)
    {
        cin >> arr[i];
    }
    sort(arr, arr + n);
    for(int i = 0 ; i < n ; i++)
    {
        string temp = "";
        for(int s = 1 ; s <= min(11, k - 1) ; s++)
        {
            temp += arr[i];
        }
        if(k <= 11)
            temp += arr[0];
        if(temp < shortest)
        {
            shortest = temp;
            idx = arr[i];
        }
    }
    for(int i = 1 ; i < k ; i++)
        cout << idx;
    cout << arr[0] << endl;
    return 0;
}

Submission Info

Compile Error

Main.cpp: In function ‘int main()’:
Main.cpp:58:13: warning: unused variable ‘x’ [-Wunused-variable]
   58 |     int n,k,x;
      |             ^

Judge Result