M .gitignore → .gitignore

@@ -1,2 +1,5 @@ 
+cmake-build-debug
+build
 .idea
 a.out
+sysgraph

A CMakeLists.txt

@@ -0,0 +1,6 @@ 
+cmake_minimum_required(VERSION 3.25)
+project(sysgraph)
+
+set(CMAKE_CXX_STANDARD 17)
+
+add_executable(sysgraph main.cpp)

M main.cpp → main.cpp

@@ -110,7 +110,8 @@ exit(signum);
 }
 
 std::string padint(int n, int len){
-    for (std::string s = std::to_string(n); s.length() < len; s = " " + s);
+    std::string s = std::to_string(n);
+    for (; s.length() < len; s = " " + s);
     return s;
 }