2. repl.it supports C and C++ through a browser. They have a free plan.
3. Set up a small VPS at DigitalOcean, AWS, Google Cloud, etc. and ssh into that. You get the most control that way. A VPS costing less than $10/mo will work.
I work exclusively on an iPad as a full-time programmer and system admin, but mostly I do that over ssh to remote servers owned by my customers.
2. repl.it supports C and C++ through a browser. They have a free plan.
3. Set up a small VPS at DigitalOcean, AWS, Google Cloud, etc. and ssh into that. You get the most control that way. A VPS costing less than $10/mo will work.
I work exclusively on an iPad as a full-time programmer and system admin, but mostly I do that over ssh to remote servers owned by my customers.