No permission to execute 1st.cpp, also impossible to add execute permissions with chmod in termux

[GGAGAGAG]

cant run code because 1st.cpp has no execute permissions and cant add permissions using chmod in termux my command in termux is chmod u+x 1st.cpp it doesn't give an error so it assume it is good but when i do ls -la, 1st.cpp still dosent have execute permisson

• Device: [Redmi Note 12]
• OS: [Android 14 xiaomi eu]
• Termux [Github]

Additional context

rooted phone

[bajrangCoder]

First you will need to compile the 1st.cpp because any system only understand the binary, so first compile your code using clang or g++ then it will produce a binary which can be run like this : ./1st