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  1. Prepare
  2. Mathematics
  3. Fundamentals
  4. Connecting Towns
  5. Discussions

Connecting Towns

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  • stzsch
     + 4 comments

    Pretty annoying, not really a mathematics challenge, but rather a "know-how-to-deal-with-long-integers" challenge.

  • cfranco
     + 1 comment

    If you're failing all but 1 of the test cases, you more than likely did not implement the modulo described in the instructions. In my opinion this problem would be much better if we didn't have to handle data overflow in such a way. In any case it's only 1 extra line of code: 

    var routeCount=1;
for(int i=0;i<routes.Length;i++){
	routeCount*=routes[i];
	routeCount%=1234567;
}
return routeCount;

  • dewmeht
     + 1 comment

    For C# LINQ

    int result = arr.Aggregate(1, (a, b) => (b * a)%1234567);

  • wwuyxg
     + 0 comments
    connectingTowns(n, routes):
    p = 1
    for x in range(n-1):
        p = p * routes[x]
    return p%1234567

    lol..what a troll, this is just the number of ways to walk routes. hahahhaahahaha

  • nilkun
     + 2 comments

    Snippet.

    for(int j = 0; j < towns - 1; j++) {
                routes *= scanner.nextInt();
                for(;;) {
                if (routes > 1234567) routes = routes - 1234567;
                    else break;
            	}
}
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