Solve problem "Lost card" online - Learn Python 3 - Snakify

Problem «Lost card» (Hard)


Statement

There was a set of cards with numbers from 1 to N. One of the card is now lost. Determine the number on that lost card given the numbers for the remaining cards.

Given a number N, followed by N − 1 integers - representing the numbers on the remaining cards (distinct integers in the range from 1 to N). Find and print the number on the lost card.


In all the problems input the data using input() and print the result using print().



Saved solutions

Tests

Input Correct answer Result
5
1
2
3
4
5
5
3
5
2
1
4
4
3
2
4
1
3
1
2
3
3
3
2
1
3
3
1
2
1
1
10
4
1
7
8
3
5
9
10
6
2