i just found question 1 and 2 quite simple and 3 and 4 quite difficult i found 4 much more simple than 3 but the third question of this div 3 was even easier than the last div 2's third question
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A,B were simple C was greedy and if you have done some question on sets like that it was also easy D was maths and easier than C E was about observation and implementation and if you can solve it as a grey it is good F was observation but i cant figure out the math G was easier than F and almost standard DSU