Help me in solving MEBA,DLSB AND SQING problem

help
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1

My issue

can anyone solve the program in c

Problem Link: https://www.codechef.com/problems/MEBA
 Problem Link:https://www.codechef.com/problems/DLSB
 Problem Link: https://www.codechef.com/problems/SQING
2

plsssssssssssssssssssssssssssssssss

3

anyone replyyy