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##### CodeJam
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Squary Given N integer, is it possible to add at least 1 and at most K elements such that the sum of the squares of all elements in list equals square of sum of the all elements? solution Let $$a_i$$ or A be the list of the given n elements. Let $$b_j$$ be the list of the elements to add the A list. (\sum_{i}a_i

solution

Check a letter appearance

First, check all of the middle letters, which all letters other than the first and last consecutive segment of letters.

If a letter in middle letter appears more than one input string, it is impossible to construct the megatower.

Google Code Jam 2022 Qual solutions A. Punched Cards Given R and C, print the matrix with RxC Punched Card Python. Limits Time limit: 5 seconds.Memory limit: 1 GB. Test Set 1 (Visible Verdict) 1≤T≤811≤T≤81.2≤R≤102≤R≤10.2≤C≤102≤C≤10. Solution /** * author: ekusiadadus * created: 02.04.2022 15:34:43 **/ #include<bits/stdc++.h> using namespace std; using i64 = long long; int main(){ cin.tie(0); ios_base::sync_with_stdio(false); #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif int