I should do programme in C , but I don 't know witch struct I can use.:(
question :
we have congresse , where there is 2 type of activities : activity 1 and activity 2 in each one there is many activities where many people are linked in :(
but I dont know how my struct , put in your mind that I should do all operat as insert , searche........using files but that another probleme that may be I can solved :(