ما هو أفضل تمرين لجسم؟

my height is : 178 my wight is 87 is it fits with my age 20 years old good ??… and i workout 100 push ups a day 50 normal & 50 & 50 advanced ,, sometimes i dot abc workout but the only results i see is the arms and the chest back not that much i have been doing it for 4 months now i can’t afford a gym right now so do you think i should continue on my workout ?