C# dasturlash tilidagi yechimlari (Mono, dotnet7)
A. Hello Hi!
using System.IO;
FileInfo f = new FileInfo("shunchaki.txt");
if(f.Exists)
{
Console.WriteLine("Hi!");
f.Delete();
}
else
{
Console.WriteLine("Hello");
FileStream s = f.Create();
s.Close();
}B. Homework
using System;
using System.IO;
using System.Collections.Generic;
using System.Linq;
namespace homework
{
class Program
{
public static string[] Words(string s)
{
string[] res = s.Split().Where(x => (x != "")).OrderBy(x => x).Select(x => x).ToArray();
HashSet<string> hs = new HashSet<string>(res);
return hs.ToArray();
}
public static string[] Cleaned(string[] b, string [] s)
{
List<string> sl = new List<string>();
foreach(string i in s)
{
if(!b.Contains(i))
{
sl.Add(i);
}
}
return sl.ToArray();
}
public static int WriteToBaza(string[] s)
{
FileInfo f = new FileInfo("bazaz.txt");
StreamWriter sw = f.AppendText();
foreach(var i in s)
{
sw.WriteLine(i);
}
sw.Close();
string[] ds = File.ReadAllLines("bazaz.txt");
return ds.Length;
}
public static void Main(string[] args)
{
string s = File.ReadAllText("input.txt");
FileInfo f = new FileInfo("bazaz.txt");
if(!f.Exists)
{
StreamWriter w = f.CreateText();
w.WriteLine(DateTime.Now.ToString("hh:mm:ss"));
w.Close();
}
string[] baza = File.ReadAllLines("bazaz.txt");
string[] m = Words(s);
string[] mv = Cleaned(baza,m);
int count = WriteToBaza(mv);
foreach(var i in mv)
{
Console.WriteLine(i);
}
Console.WriteLine(count - 1);
}
}
}
C. Parol
using System;
using System.IO;
class Program{
static void Main(){
FileInfo f = new FileInfo("file1");
StreamWriter sw,swout;
StreamReader sr,srin;
srin = new StreamReader("input.txt");
swout = new StreamWriter("output.txt");
string s, res;
int k;
if (!f.Exists)
{
s = srin.ReadLine();
k = int.Parse(srin.ReadLine());
sw = f.CreateText();
sw.WriteLine(s);
sw.WriteLine(k);
sw.Close();
swout.WriteLine("Parol yangilandi!");
}
else
{
s = srin.ReadLine();
sr = new StreamReader("file1");
res = sr.ReadLine();
k = int.Parse(sr.ReadLine());
sr.Close();
if (res == s)
{
swout.WriteLine("Xush kelibsiz");
f.Delete();
}
else if (k == 1)
{
swout.WriteLine("Juda ko'p muvaffaqiyatsiz urinish qildingiz, 5 daqiqa kuting");
f.Delete();
}
else
{
swout.WriteLine("Parol xato, Qayta urunib ko'ring");
f.Delete();
sw = f.CreateText();
sw.WriteLine(res);
sw.WriteLine(k - 1);
sw.Close();
}
}
srin.Close();
swout.Close();
}
}D. Spell
using System;
using System.IO;
namespace itree
{
class Program
{
public static void Main(string[] args)
{
string[] tovush = { "ey","bi","si","di","i","ef","ji","eych","ay","jey","key","el","em","en","ov","pi","kyu","ar","es","ti","yu","vi", "dablyu", "iks", "vay","zed"};
FileInfo fsatr = new FileInfo("satr1.txt");
string satr = Console.ReadLine();
FileInfo countr = new FileInfo("countr1.txt");
StreamWriter swcount;
StreamReader srcount;
StreamWriter swsatr;
StreamReader srsatr;
int k;
if (!(countr.Exists))
{
swcount = countr.CreateText();
swcount.WriteLine("0");
swcount.Close();
}
srcount = new StreamReader("countr1.txt");
k = int.Parse(srcount.ReadLine());
if (k == 0)
{
swsatr = fsatr.CreateText();
swsatr.WriteLine(satr);
swsatr.Close();
}
srsatr = new StreamReader("satr1.txt");
string sssss = srsatr.ReadLine();
Console.WriteLine(sssss[k] + " - " + tovush[sssss[k] - 97]);
k++;
srcount.Close();
srsatr.Close();
using (FileStream stream = new FileStream("countr1.txt", FileMode.Truncate))
{
// Clear the contents of the file
stream.SetLength(0);
}
swcount = countr.AppendText();
swcount.Write(k);
swcount.Close();
if ( sssss.Length == k )
{
fsatr.Delete();
countr.Delete();
}
}
}
}E. Noodatiy dastur #2
using System;
using System.IO;
class Program{
static void update(string name,FileInfo f, int k, out StreamWriter swcount)
{
using (FileStream stream = new FileStream(name, FileMode.Truncate))
{
// Clear the contents of the file
stream.SetLength(0);
}
swcount = f.AppendText();
swcount.Write(k);
swcount.Close();
}
static void Main(){
FileInfo f1 = new FileInfo("salom.txt");
FileInfo f2 = new FileInfo("alik.txt");
FileInfo count = new FileInfo("countr.txt");
FileInfo count1 = new FileInfo("countr1.txt");
FileInfo count2 = new FileInfo("countr2.txt");
StreamReader sr,sr1,sr2;
StreamWriter sw,sw1,sw2;
if (!count.Exists)
{
sw = count.CreateText();
sw.Write("1");
sw.Close();
sw1 = count1.CreateText();
sw1.Write("1");
sw1.Close();
sw2 = count2.CreateText();
sw2.Write("1");
sw2.Close();
}
sr = new StreamReader("countr.txt");
sr1 = new StreamReader("countr1.txt");
sr2 = new StreamReader("countr2.txt");
if(f1.Exists)
{
Console.WriteLine("Hasan");
int l = int.Parse(sr.ReadLine());
double x = Math.Sqrt(2*l +0.25) - 0.5;
if( x == Math.Truncate(x))
{
f1.Delete();
FileStream fs2 = f2.Create();
fs2.Close();
}
sr.Close();
l++;
update("countr.txt",count,l,out sw);
}
else if(f2.Exists)
{
Console.WriteLine("Husan");
int l1 = int.Parse(sr1.ReadLine());
double x1 = Math.Sqrt(2*l1 +0.25) - 0.5;
if(x1 == Math.Truncate(x1))
{
f2.Delete();
}
sr1.Close();
l1++;
update(count1.Name,count1,l1,out sw1);
}
else
{
Console.WriteLine("Qulmamat");
int l2 = int.Parse(sr2.ReadLine());
double x2 = Math.Sqrt(2*l2 +0.25) - 0.5;
if (x2 == Math.Truncate(x2))
{
FileStream fs1 = f1.Create();
fs1.Close();
}
sr2.Close();
l2++;
update(count2.Name,count2,l2,out sw2);
}
}
}F. Baxtingdan ko'r yoki "Qo'rqinchli" biletlar
using System;
using System.IO;
using static System.Console;
namespace biletlar
{
class Program
{
static void Main(string[] args)
{
FileInfo f = new FileInfo("baza.txt");
StreamWriter sw, swin, swout;
string s = ReadLine();
if (!f.Exists)
{
sw = f.CreateText();
sw.WriteLine(s);
sw.Close();
}
else
{
sw = f.AppendText();
sw.WriteLine(s);
sw.Close();
}
string[] ss = File.ReadAllLines("baza.txt");
int n = ss.Length;
for (int i = 1; i <= n; i++)
{
if (n % i == 0)
{
WriteLine(ss[i - 1]);
}
}
}
}
}
C++ daturlash tilidagi yechimlar.
A. Hello, Hi!
#include <bits/stdc++.h>
using namespace std;
int main()
{
string name = "borrr.txt";
ifstream f(name);
if(f.good())
{
cout << "Hi!";
remove(name.c_str());
}
else
{
cout <<"Hello";
ofstream fout(name);
fout << "endi bor" << endl;
fout.close();
}
f.close();
}B. Homework
#include <bits/stdc++.h>
using namespace std;
vector <string> words;
bool isThere(string s)
{
for(string i : words)
{
if(i == s) return false;
}
return true;
}
int Sana(string ph)
{
string h;
int c = 0;
ifstream fin(ph);
while(fin >> h)
{
c++;
}
fin.close();
return c;
}
bool isInBaza(string ph,string s)
{
ifstream fin(ph);
string g;
while(fin >> g)
{
if(g == s){
fin.close();
return false;
}
}
fin.close();
return true;
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
cout.tie(nullptr);
string ph = "baza.txt";
if(!ifstream(ph))
{
ofstream fout(ph);
fout << "!!!" << endl;
fout.close();
}
string w;
while(cin >> w)
{
ofstream fout(ph,ios::app);
if(isThere(w) and isInBaza(ph,w))
{
words.push_back(w);
fout << w << endl;
}
fout.close();
}
sort(words.begin(),words.end());
for(string i : words)
{
cout << i << endl;
}
int c = Sana(ph);
cout << c - 1 << endl;
}C. Parol
#include <iostream>
#include <fstream>
using namespace std;
int main() {
ifstream srin("input.txt");
ofstream swout("output.txt");
string s, res;
int k;
if (!ifstream("file1")) {
getline(srin, s);
srin >> k;
ofstream sw("file1");
sw << s << endl;
sw << k << endl;
sw.close();
swout << "Parol yangilandi!" << endl;
} else {
getline(srin, s);
ifstream sr("file1");
getline(sr, res);
sr >> k;
sr.close();
if (res == s) {
swout << "Xush kelibsiz" << endl;
remove("file1");
} else if (k == 1) {
swout << "Juda ko'p muvaffaqiyatsiz urinish qildingiz, 5 daqiqa kuting" << endl;
remove("file1");
} else {
swout << "Parol xato, Qayta urunib ko'ring" << endl;
remove("file1");
ofstream sw("file1");
sw << res << endl;
sw << k - 1 << endl;
sw.close();
}
}
srin.close();
swout.close();
return 0;
}D. Spell
#include <bits/stdc++.h>
using namespace std;
int main()
{
string t[] = { "ey","bi","si","di","i","ef","ji","eych","ay","jey","key","el","em","en","ov","pi","kyu","ar","es","ti","yu","vi", "dablyu", "iks", "vay","zed"};
string fname = "matn.txt", fcount = "count.txt";
string satr,str;
cin >> satr;
ifstream fin(fname);
if(!fin.good())
{
ofstream wr(fname);
wr << satr << endl;
wr.close();
ofstream count(fcount);
count << "0";
count.close();
}
fin.close();
int k;
ifstream read(fcount);
read >> k;
read.close();
ifstream f(fname);
f >> str;
f.close();
cout << str[k] << " - " << t[str[k] - 97] << '\n';
k++;
ofstream write(fcount);
write << k << endl;
write.close();
if (k == str.size())
{
remove(fname.c_str());
}
}E. Noodatiy dastur #2
#include <iostream>
#include <fstream>
#include <cmath>
void update(const std::string& name, std::ofstream& swcount, int k) {
std::ofstream stream(name, std::ofstream::trunc);
swcount.open(name, std::ofstream::app);
swcount << k;
swcount.close();
}
int main() {
std::ofstream sw, sw1, sw2;
std::ifstream sr, sr1, sr2;
std::string count = "countr.txt";
std::string count1 = "countr1.txt";
std::string count2 = "countr2.txt";
std::string f1 = "hello.txt";
std::string f2 = "alik.txt";
if (!std::ifstream(count)) {
sw.open(count); sw << "1"; sw.close();
sw1.open(count1); sw1 << "1"; sw1.close();
sw2.open(count2); sw2 << "1"; sw2.close();
}
sr.open(count);
sr1.open(count1);
sr2.open(count2);
if (std::ifstream(f1)) {
std::cout << "Hasan\n";
int l; sr >> l;
double x = std::sqrt(2 * l + 0.25) - 0.5;
if (x == std::trunc(x)) {
std::remove(f1.c_str());
std::ofstream fs2(f2); fs2.close();
}
sr.close();
l++;
std::ofstream sw;
update(count, sw, l);
}
else if (std::ifstream(f2)) {
std::cout << "Husan\n";
int l1; sr1 >> l1;
double x1 = std::sqrt(2 * l1 + 0.25) - 0.5;
if (x1 == std::trunc(x1)) {
std::remove(f2.c_str());
}
sr1.close();
l1++;
std::ofstream sw1;
update(count1, sw1, l1);
}
else {
std::cout << "Qulmamat\n";
int l2; sr2 >> l2;
double x2 = std::sqrt(2 * l2 + 0.25) - 0.5;
if (x2 == std::trunc(x2)) {
std::ofstream fs1(f1); fs1.close();
}
sr2.close();
l2++;
std::ofstream sw2;
update(count2, sw2, l2);
}
return 0;
}F. Baxtingdan ko'r yoki “Qo'rqinchli” biletlar
#include <bits/stdc++.h>
using namespace std;
int main()
{
string fname = "biletqw.txt", fcount = "sssana.txt";
string satr = "wewr",str = "weew";
getline(cin,satr);
ofstream file(fname, ios::app);
if(!file.is_open())
{
ofstream creat(fname);
creat << satr << endl;
creat.close();
}
else
{
file << satr << endl;
file.close();
}
int k = 1;
ifstream sana(fcount);
if(sana >> k) k++;
sana.close();
ofstream wrt(fcount);
wrt << k;
wrt.close();
ifstream read(fname);
string word;
for(int i = 0; i < k; i++)
{
read >> word;
if (k %(i+1) == 0)
cout << word << endl;
}
}
Python dasturlash tilidagi yechimlar. (Python3.12, PyPy3.10)
A. Hello, Hi!
import os
filename = "myFile.txt"
if os.path.exists(filename):
print("Hi!")
os.remove(filename)
else:
print("Hello")
f = open(filename, "w")
f.close()B. Homework
import os
def AddWords(s,baza):
ss = sorted(set(s))
for i in ss:
if i in baza: continue
else :
a = open('baza.txt','a')
a.write( i + '\n')
a.close()
print(i)
name = "baza.txt"
f = open("input.txt", "r")
s = f.read().split()
f.close()
if( not os.path.exists(name)):
baza = open(name,'w')
baza.write('!@#$\n')
baza.close()
b = open(name,'r')
bb = b.read().split()
b.close()
AddWords(s,bb)
b = open(name,'r')
bb = b.read().split()
b.close()
print(len(bb) - 1)C. Parol
import os
def main():
res = ""
k = 0
if not os.path.exists("file1.txt"):
s = input()
k = int(input())
with open("file1.txt", "w") as sw:
sw.write(s + "\n")
sw.write(str(k) + "\n")
print("Parol yangilandi!")
else:
s = input()
with open("file1.txt", "r") as sr:
res = sr.readline().strip()
k = int(sr.readline().strip())
if res == s:
print("Xush kelibsiz")
os.remove("file1.txt")
elif k == 1:
print("Juda ko'p muvaffaqiyatsiz urinish qildingiz, 5 daqiqa kuting")
os.remove("file1.txt")
else:
print("Parol xato, Qayta urunib ko'ring")
os.remove("file1.txt")
with open("file1.txt", "w") as sw:
sw.write(res + "\n")
sw.write(str(k - 1) + "\n")
if __name__ == '__main__':
main()D. Spell
import os
t = ["ey","bi","si","di","i","ef","ji","eych","ay","jey","key","el","em","en","ov","pi","kyu","ar","es","ti","yu","vi", "dablyu", "iks", "vay","zed"]
s = input()
n = 'matn.txt'
c = 'count.txt'
if(not os.path.exists(n)):
fmatn = open(n,'w')
fmatn.write(s)
fmatn.close()
fcount = open(c,'w')
fcount.write('0')
fcount.close()
fcread = open(c)
k = int(fcread.read())
fcread.close()
fmread = open(n)
m = fmread.read()
fmread.close()
print(m[k],'-',t[ord(m[k]) - 97])
k+=1
fcwr = open(c,'w')
fcwr.write(str(k))
fcwr.close()
if(len(m) == k) : os.remove(n)E. Noodatiy dastur #2
import math
import os
def update(name, f, k):
with open(name, 'w') as file:
file.truncate(0)
with open(name, 'a') as file:
file.write(str(k))
def main():
f1 = "hello.txt"
f2 = "alik.txt"
count = "countr.txt"
count1 = "countr1.txt"
count2 = "countr2.txt"
if not os.path.exists(count):
with open(count, 'w') as file:
file.write("1")
if not os.path.exists(count1):
with open(count1, 'w') as file:
file.write("1")
if not os.path.exists(count2):
with open(count2, 'w') as file:
file.write("1")
with open("countr.txt", 'r') as sr:
with open("countr1.txt", 'r') as sr1:
with open("countr2.txt", 'r') as sr2:
if os.path.exists(f1):
print("Hasan")
l = int(sr.readline())
x = math.sqrt(2 * l + 0.25) - 0.5
if x == math.trunc(x):
os.remove(f1)
open(f2, 'w').close()
l += 1
update("countr.txt", count, l)
elif os.path.exists(f2):
print("Husan")
l1 = int(sr1.readline())
x1 = math.sqrt(2 * l1 + 0.25) - 0.5
if x1 == math.trunc(x1):
os.remove(f2)
l1 += 1
update("countr1.txt", count1, l1)
else:
print("Qulmamat")
l2 = int(sr2.readline())
x2 = math.sqrt(2 * l2 + 0.25) - 0.5
if x2 == math.trunc(x2):
open(f1, 'w').close()
l2 += 1
update("countr2.txt", count2, l2)
if __name__ == "__main__":
main()F. Baxtingdan ko'r yoki “Qo'rqinchli” biletlar.
import os
s = input()
name = "wor.txt"
if not os.path.exists(name):
f = open(name,'w')
f.write("begin ")
f.close()
add = open(name,'a')
add.write(s + " ")
add.close()
fread = open(name)
s = fread.readline()
fread.close()
a = s.split()
k = len(a) - 1
for i in range(1,k+1):
if k % i == 0 : print(a[i])
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