diff --git a/compile.sh b/compile.sh
index 0a67b30..7d1b2ee 100755
--- a/compile.sh
+++ b/compile.sh
@@ -1,6 +1,7 @@
 #!/bin/bash
 
-# Check if the correct number of arguments are provided
+# Compile and run as in unicorn
+
 if [ "$#" -ne 2 ]; then
     echo "Usage: $0 <cpp_file> <argument>"
     exit 1
@@ -13,7 +14,7 @@ ARGUMENT=$2
 clang-format -i -style=file "$CPP_FILE"
 
 # Compile the C++ file
-g++ "$CPP_FILE" -o run
+g++ "$CPP_FILE" -o run -O2 -Wall -Werror -std=gnu++23 -lm
 
 # Check if the compilation was successful
 if [ $? -ne 0 ]; then
diff --git a/kr/2 copy.cpp b/kr/2 copy.cpp
deleted file mode 100644
index ce15209..0000000
--- a/kr/2 copy.cpp	
+++ /dev/null
@@ -1,38 +0,0 @@
-#include <vector>
-#include <iostream>
-#include <algorithm>
-
-template <typename I, typename F>
-I separate(I beg, I end, F pred) {
-    auto tmp = beg;
-    while (tmp != end) {
-        std::cout << *tmp << std::endl;
-        ++tmp;
-    }
-
-
-    auto r = remove_if(beg, end, pred);
-
-    tmp = beg;
-    while (tmp != end) {
-        std::cout << *tmp << std::endl;
-        ++tmp;
-    }
-
-    std::cout << "meow" << std::endl;
-
-    return r;
-}
-
-int main() {
-    std::vector v{ 1, -2, 3, -4, 5, -6 };
-    auto r = separate(v.begin(), v.end(), [](auto x) { return x >= 0; });
-
-    // std::cout << std::distance(v.begin(), r) << std::endl << std::endl;
-
-    for (auto& item : v) {
-        std::cout << item << std::endl;
-    }
-
-    return 0;
-}
\ No newline at end of file
diff --git a/kr/4.cpp b/kr/4.cpp
deleted file mode 100644
index 881f4f5..0000000
--- a/kr/4.cpp
+++ /dev/null
@@ -1,103 +0,0 @@
-#include <map>
-#include <iostream>
-#include <vector>
-#include <algorithm>
-
-enum TokenKind
-{
-    T_EOF,    // end of input stream
-    T_NUMBER, // int64 number
-    T_ID,     // identifier
-    K_ALG,
-    K_ARG,
-    K_RES,
-    K_NACH,
-    K_KON,
-    K_TSEL,
-    K_VESHCH,
-    K_SIM,
-    K_LIT,
-    K_LOG,
-    K_TAB,
-    K_NTS,
-    K_KTS,
-    K_DLIN,
-    K_DANO,
-    K_NADO,
-    K_ESLI,
-    K_TO,
-    K_INACHE,
-    K_VSE,
-    K_POKA,
-    K_DLYA,
-    K_OT,
-    K_DO,
-    K_ZNACH,
-    K_I,
-    K_ILI,
-    K_NE,
-    K_DA,
-    K_NET,
-    K_PRI,
-    K_VYBOR,
-    K_VVOD,
-    K_VYVOD,
-    K_UTV,
-    T_SEMICOLON,
-    T_COMMA,
-    T_ASSIGN,
-    T_LBR,
-    T_RBR,
-    T_LSQBR,
-    T_RSQBR,
-    T_PLUS,
-    T_MINUS,
-    T_MUL,
-    T_DIV,
-    T_EQ,
-    T_NE,
-    T_GT,
-    T_GE,
-    T_LT,
-    T_LE
-};
-
-const std::string tokens[] =
-{
-    "", // EOF
-    "", // NUMBER
-    "", // ID
-    "алг", "арг", "рез", "нач", "кон", "цел", "вещ", "сим", "лит", "лог",
-    "таб", "нц", "кц", "длин", "дано", "надо", "если", "то", "иначе", "все",
-    "пока", "для", "от", "до", "знач", "и", "или", "не", "да", "нет",
-    "при", "выбор", "ввод", "вывод", "утв",
-    ";", ",", ":=", "(", ")", "[", "]", "+", "-", "*",
-    "/", "=", "!=", ">", ">=", "<", "<=",
-};
-
-int main() {
-    // строим словарь соответствий
-    std::map<std::string, TokenKind> mp;
-
-    int tmp = 0;
-    for (auto& wd : tokens) {
-        mp[wd] = TokenKind(tmp++);
-    }
-
-    std::vector<std::pair<TokenKind, std::string>> v;
-    for (auto& h : mp) {
-        v.push_back(std::make_pair(h.second, h.first));
-    }
-
-    std::sort(v.begin(), v.end());
-
-    int n = 0;
-    for (auto& h : v) {
-        std::cout << h.first << " <=> " << h.second << "\t";
-        if (!(n++ % 4)) {
-            std::cout << std::endl;
-        }
-    }
-
-    return 0;
-}
\ No newline at end of file