tolinwei

#include <iostream>

using namespace std;
class Node 
{
public:
    int value;
    Node *next;
    Node(int v) : value(v) {}
};

tolinwei

#include <iostream>

using namespace std;
class Node 
{
public:
    char value;
    Node *next;
    Node(char v) : value(v) {}
};

tolinwei

#include <iostream>
#include <unordered_set>
using namespace std;
class Node 
{
public:
    char value;
    Node *next;
    Node(char v) : value(v) {}
};

tolinwei

#include <iostream>
//#include <string>
using namespace std;
class Node
{
public:
    char value;
    Node *next;
    Node(int v) : value(v) {}
};

tolinwei

#include <iostream>
#include <unordered_set>
using namespace std;
class Node 
{
public:
    int value;
    Node *next;
    Node(int v) : value(v) {}
};

tolinwei

#include <iostream>
using namespace std;

class Node
{
public:
    int value;
    Node *next;
    Node(int v) : value(v) {}
};

tolinwei

#include <iostream>
#include <string>
#include <bitset>
using namespace std;
bitset<1> is_unique(string s)
{
    bitset<1> ret;
    bitset<256> record;
    record.reset();
    

tolinwei

#include <iostream>
#include <string>
using namespace std;

void replace_per(string &s)
{
    int space_num = 0;
    for (auto it = s.begin(); it != s.end(); it++) {
        if (*it == ' ') {
            space_num++;

tolinwei

#include <iostream>
#include <string>
using namespace std;

string str_compresion(string &s)
{
    string ret;
    int size = s.size();
    int char_num = 1;
    char tmp = s.front();

tolinwei

#include <iostream>
#include <vector>
#include <string>
#include <unordered_set>
#include <unordered_map>

using namespace std;
int main(int argc, char *argv[]) {
    //vector of string test
    vector<string> vs;