diff --git a/src/replaceStr/main.cpp b/src/replaceStr/main.cpp
index 774319e..7ec50ad 100644
--- a/src/replaceStr/main.cpp
+++ b/src/replaceStr/main.cpp
@@ -1,5 +1,8 @@
 #include <cstddef>
+<<<<<<< HEAD
 #include <cstdlib>
+=======
+>>>>>>> eb850866576adf89f6e59cb7b07b5a690e8b1d33
 #include<tools.hpp>
 #include <string_view>
 
@@ -8,6 +11,7 @@ void print_help(){
 }
 
 int main(const int argc,const char *argv[]){
+<<<<<<< HEAD
     if(argc==1){
         print_help();
         exit(-1);
@@ -44,4 +48,38 @@ int main(const int argc,const char *argv[]){
     }
 
     zt::print(argv1,"\n");
+=======
+    std::string argv1(argv[1]);
+    if(argc==2){
+        if(argv1=="-h"){
+            zt::print("help:\n","\tThis is a simple string replacer to replace characters of the same length.\n","\t<string> <character to be replaced> <character to replace>\n","\t\t-By Zengtudor\n");
+        }else{
+            print_help();
+        }
+    }else if(argc==4){
+        std::string_view be_replaced(argv[2]),to_replace(argv[3]);
+        if(be_replaced.size()!=to_replace.size()){
+            goto end;
+        }
+        for(auto i: zt::Range((size_t)0,argv1.size())){
+            if(argv1[i]==be_replaced[0]){
+                for(auto j: zt::Range((size_t)0,be_replaced.size())){
+                    if(argv1[i+j]!=be_replaced[j]){
+                        goto out_of_match;
+                    }
+                }
+                for(auto j:zt::Range((size_t)0,be_replaced.size())){
+                    argv1[i+j]=to_replace[j];
+                }
+            }
+            out_of_match:;
+        }   
+    }else{
+        print_help();
+    }
+
+    zt::print(argv1,"\n");
+
+    end:;
+>>>>>>> eb850866576adf89f6e59cb7b07b5a690e8b1d33
 }
\ No newline at end of file