What to pre-cook for 4 days without fridge or stove.?

Greetings!
I will be moving to a new city in the beginning of July and the weather will be hot (35 to 37 degrees Celsius). So i will be without fridge or stove for exactly 4 days. For lunch i can manage with cheap places to eat, but what i normally eat for dinner (i only eat an apple and yogurt) and breakfast (toast and juice) aren't possible to be kept in such heat.
McDonald's does offer yogurt and fruit for a low price but i do not know the quality of that stuff. (anybody who knows please tell me)
I can manage with sth fairly simple for just 4 days, but i would we VERY grateful to read some ideas about nutritious and healthy food that can be kept indoors but not in a fridge. If i can pre-cook sth that can be kept outside then that would be marvelous too. :]

Thank you for your time.
 
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