swimmi

#include <fstream>
#include <iostream>
#include <string>
#include <vector>
using namespace std;
//Searching files by queries !
int main()
{
    //ifstream cin("file_searching.txt");
    int n=0,m=0;

swimmi

#include <fstream>
#include <iostream>
#include <string>
using namespace std;
//Calculate the sum of 2 numbers in Mars.
int main()
{
    //ifstream cin("martian_addition.txt");
    string a,b;
    string s="0123456789abcdefghijk"; //more than 20 ! The key is 'k'.

swimmi

#include <fstream>
#include <iostream>
using namespace std;
//Check a matrix if it has the parity property.
int main()
{
    //ifstream cin("error_correction.txt");
    int n;
    while(cin>>n)
    {

swimmi

#include <fstream>
#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;
//Arrange from "most sorted" to "least sorted".
bool comp(const string &s1, const string &s2)
{
    string s[]={s1,s2};
    int c[]={0,0};

swimmi

#include <fstream>
#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;
//Is Tom's meadow beautiful now?
int main()
{
    //ifstream cin("beautiful_meadow.txt");
    int n,m;

swimmi

#include <fstream>
#include <iostream>
using namespace std;
//Transform a RGB image into gray.
int main()
{
    //ifstream cin("image_transformation.txt");
    int x,y;
    int index=1;
    while(cin>>x>>y)

swimmi

#include <fstream>
#include <iostream>
#include <algorithm>
#include <sstream>
using namespace std;
//Reverse two numbers and add then reverse the sum.
int main()
{
    //ifstream cin("adding_reversed_numbers.txt");
    int n;