Before seeing the solution make sure that you tried enough. Don’t paste the whole code, just find out the logic. If you stuck in trouble, just inform me on comment.
/**Bismillahir Rahmanir Rahim.**/
#include <stdio.h>
int main()
{
int a,b,c,d,e;
scanf("%d%d%d%d", &a, &b, &c, &d);
e=a+b+c+d-3;
printf("%d\n", e);
return 0;
}
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ReplyDeletewill you please describe what logic work on behind it? what is the rules or formula?
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you have four strips and they have following sockets to connect device , but to connect them with each other you will loss three sockets the 4 th one is free because it is not connected to other, so first you have to sum up all the possible way of connection then subtract three that you will lose , and that is the answer
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