MWC '15 #8 P1: Push-up Contest

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Points: 3 (partial)

Time limit: 2.0s

Memory limit: 256M

Author:

Hypnova

Problem type

cheesecake is participating in a push-up contest with $N$ $N$ of his friends.

Each participant does a unique number of push-ups between $1$ $1$ and $N$ $N$ . However, cheesecake was too busy organizing DMPG and unfortunately forgot how many push-ups he did!

As cheesecake is worried about whether or not bobhob314, with his wonderfully toned figure and boyish charm, won the contest, help him figure out how many push-ups he did, given the number of push-ups done by the other participants.

Input Specification

The first line of input will consist of $1$ $1$ integer, $N$ $N$ $(1 \le N \le 10^5)$ $(1 \leq N \leq 10^{5})$ .
The next $N-1$ $N - 1$ lines will consist of the number of push-ups that each of cheesecake's friends did.

Output Specification

The number of push-ups that cheesecake did.

Sample Input

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Sample Output

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Comments

0

kittycornanna1 commented on April 12, 2024, 12:06 a.m.

I can barely do one...💀💀💀

1

lHarryl372 commented on Sept. 3, 2020, 8:16 p.m.

wow that is a lot of push-ups, very nice