ymn64
diff --git a/‎README.md
+3 b/‎README.md
+3
diff --git a/‎add-two-numbers/add.go renamed to ‎problems/add-two-numbers/add.go b/‎add-two-numbers/add.go renamed to ‎problems/add-two-numbers/add.go
diff --git a/‎add-two-numbers/add_test.go renamed to ‎problems/add-two-numbers/add_test.go b/‎add-two-numbers/add_test.go renamed to ‎problems/add-two-numbers/add_test.go
diff --git a/‎best-time-to-buy-and-sell-stock-ii/profit.go renamed to ‎problems/best-time-to-buy-and-sell-stock-ii/profit.go b/‎best-time-to-buy-and-sell-stock-ii/profit.go renamed to ‎problems/best-time-to-buy-and-sell-stock-ii/profit.go
diff --git a/‎best-time-to-buy-and-sell-stock-ii/profit_test.go renamed to ‎problems/best-time-to-buy-and-sell-stock-ii/profit_test.go b/‎best-time-to-buy-and-sell-stock-ii/profit_test.go renamed to ‎problems/best-time-to-buy-and-sell-stock-ii/profit_test.go
diff --git a/‎cache-with-time-limit/cache.js renamed to ‎problems/cache-with-time-limit/cache.js b/‎cache-with-time-limit/cache.js renamed to ‎problems/cache-with-time-limit/cache.js
diff --git a/‎confirmation-rate/rate.sql renamed to ‎problems/confirmation-rate/rate.sql b/‎confirmation-rate/rate.sql renamed to ‎problems/confirmation-rate/rate.sql
diff --git a/‎problems/customers-who-bought-all-products/customers.sql
+13 b/‎problems/customers-who-bought-all-products/customers.sql
+13
diff --git a/‎debounce/debounce.js renamed to ‎problems/debounce/debounce.js b/‎debounce/debounce.js renamed to ‎problems/debounce/debounce.js
diff --git a/‎divide-two-integers/div.go renamed to ‎problems/divide-two-integers/div.go b/‎divide-two-integers/div.go renamed to ‎problems/divide-two-integers/div.go
diff --git a/‎divide-two-integers/div_test.go renamed to ‎problems/divide-two-integers/div_test.go b/‎divide-two-integers/div_test.go renamed to ‎problems/divide-two-integers/div_test.go
diff --git a/‎execute-asynchronous-functions-in-parallel/promiseall.js renamed to ‎problems/execute-asynchronous-functions-in-parallel/promiseall.js b/‎execute-asynchronous-functions-in-parallel/promiseall.js renamed to ‎problems/execute-asynchronous-functions-in-parallel/promiseall.js
diff --git a/‎group-by/group.js renamed to ‎problems/group-by/group.js b/‎group-by/group.js renamed to ‎problems/group-by/group.js
diff --git a/‎integer-to-english-words/words.go renamed to ‎problems/integer-to-english-words/words.go b/‎integer-to-english-words/words.go renamed to ‎problems/integer-to-english-words/words.go
diff --git a/‎integer-to-english-words/words_test.go renamed to ‎problems/integer-to-english-words/words_test.go b/‎integer-to-english-words/words_test.go renamed to ‎problems/integer-to-english-words/words_test.go
diff --git a/‎integer-to-roman/roman.go renamed to ‎problems/integer-to-roman/roman.go b/‎integer-to-roman/roman.go renamed to ‎problems/integer-to-roman/roman.go
diff --git a/‎integer-to-roman/roman_test.go renamed to ‎problems/integer-to-roman/roman_test.go b/‎integer-to-roman/roman_test.go renamed to ‎problems/integer-to-roman/roman_test.go
diff --git a/‎join-two-arrays-by-id/join.js renamed to ‎problems/join-two-arrays-by-id/join.js b/‎join-two-arrays-by-id/join.js renamed to ‎problems/join-two-arrays-by-id/join.js
diff --git a/‎join-two-arrays-by-id/join.test.js renamed to ‎problems/join-two-arrays-by-id/join.test.js b/‎join-two-arrays-by-id/join.test.js renamed to ‎problems/join-two-arrays-by-id/join.test.js
diff --git a/‎largest-submatrix-with-rearrangements/area.go renamed to ‎problems/largest-submatrix-with-rearrangements/area.go b/‎largest-submatrix-with-rearrangements/area.go renamed to ‎problems/largest-submatrix-with-rearrangements/area.go
diff --git a/‎largest-submatrix-with-rearrangements/area_test.go renamed to ‎problems/largest-submatrix-with-rearrangements/area_test.go b/‎largest-submatrix-with-rearrangements/area_test.go renamed to ‎problems/largest-submatrix-with-rearrangements/area_test.go
diff --git a/‎longest-substring-without-repeating-characters/len.go renamed to ‎problems/longest-substring-without-repeating-characters/len.go b/‎longest-substring-without-repeating-characters/len.go renamed to ‎problems/longest-substring-without-repeating-characters/len.go
diff --git a/‎longest-substring-without-repeating-characters/len_test.go renamed to ‎problems/longest-substring-without-repeating-characters/len_test.go b/‎longest-substring-without-repeating-characters/len_test.go renamed to ‎problems/longest-substring-without-repeating-characters/len_test.go
diff --git a/‎problems/managers-with-at-least-5-direct-reports/manager.sql
+10 b/‎problems/managers-with-at-least-5-direct-reports/manager.sql
+10
diff --git a/‎maximum-number-of-integers-to-choose-from-a-range-i/max.go renamed to ‎problems/maximum-number-of-integers-to-choose-from-a-range-i/max.go b/‎maximum-number-of-integers-to-choose-from-a-range-i/max.go renamed to ‎problems/maximum-number-of-integers-to-choose-from-a-range-i/max.go
diff --git a/‎maximum-number-of-integers-to-choose-from-a-range-i/max_test.go renamed to ‎problems/maximum-number-of-integers-to-choose-from-a-range-i/max_test.go b/‎maximum-number-of-integers-to-choose-from-a-range-i/max_test.go renamed to ‎problems/maximum-number-of-integers-to-choose-from-a-range-i/max_test.go
diff --git a/‎memoize/mem.js renamed to ‎problems/memoize/mem.js b/‎memoize/mem.js renamed to ‎problems/memoize/mem.js
diff --git a/‎problems/monthly-transactions-i/monthly.sql
+12 b/‎problems/monthly-transactions-i/monthly.sql
+12
diff --git a/‎nth-highest-salary/nth.sql renamed to ‎problems/nth-highest-salary/nth.sql b/‎nth-highest-salary/nth.sql renamed to ‎problems/nth-highest-salary/nth.sql
diff --git a/‎product-of-array-except-self/prods.go renamed to ‎problems/product-of-array-except-self/prods.go b/‎product-of-array-except-self/prods.go renamed to ‎problems/product-of-array-except-self/prods.go
diff --git a/‎product-of-array-except-self/prods_test.go renamed to ‎problems/product-of-array-except-self/prods_test.go b/‎product-of-array-except-self/prods_test.go renamed to ‎problems/product-of-array-except-self/prods_test.go
diff --git a/‎remove-duplicates-from-sorted-array-ii/bench_test.go renamed to ‎problems/remove-duplicates-from-sorted-array-ii/bench_test.go b/‎remove-duplicates-from-sorted-array-ii/bench_test.go renamed to ‎problems/remove-duplicates-from-sorted-array-ii/bench_test.go
diff --git a/‎remove-duplicates-from-sorted-array-ii/remove.go renamed to ‎problems/remove-duplicates-from-sorted-array-ii/remove.go b/‎remove-duplicates-from-sorted-array-ii/remove.go renamed to ‎problems/remove-duplicates-from-sorted-array-ii/remove.go
diff --git a/‎remove-duplicates-from-sorted-array-ii/remove_test.go renamed to ‎problems/remove-duplicates-from-sorted-array-ii/remove_test.go b/‎remove-duplicates-from-sorted-array-ii/remove_test.go renamed to ‎problems/remove-duplicates-from-sorted-array-ii/remove_test.go
diff --git a/‎reverse-words-in-a-string/reverse.go renamed to ‎problems/reverse-words-in-a-string/reverse.go b/‎reverse-words-in-a-string/reverse.go renamed to ‎problems/reverse-words-in-a-string/reverse.go
diff --git a/‎reverse-words-in-a-string/reverse_test.go renamed to ‎problems/reverse-words-in-a-string/reverse_test.go b/‎reverse-words-in-a-string/reverse_test.go renamed to ‎problems/reverse-words-in-a-string/reverse_test.go
diff --git a/‎rotate-array/rotate.go renamed to ‎problems/rotate-array/rotate.go b/‎rotate-array/rotate.go renamed to ‎problems/rotate-array/rotate.go
diff --git a/‎rotate-array/rotate_test.go renamed to ‎problems/rotate-array/rotate_test.go b/‎rotate-array/rotate_test.go renamed to ‎problems/rotate-array/rotate_test.go
diff --git a/‎split-message-based-on-limit/split.go renamed to ‎problems/split-message-based-on-limit/split.go b/‎split-message-based-on-limit/split.go renamed to ‎problems/split-message-based-on-limit/split.go
diff --git a/‎split-message-based-on-limit/split_test.go renamed to ‎problems/split-message-based-on-limit/split_test.go b/‎split-message-based-on-limit/split_test.go renamed to ‎problems/split-message-based-on-limit/split_test.go
diff --git a/‎string-to-integer-atoi/atoi.go renamed to ‎problems/string-to-integer-atoi/atoi.go b/‎string-to-integer-atoi/atoi.go renamed to ‎problems/string-to-integer-atoi/atoi.go
diff --git a/‎string-to-integer-atoi/atoi_test.go renamed to ‎problems/string-to-integer-atoi/atoi_test.go b/‎string-to-integer-atoi/atoi_test.go renamed to ‎problems/string-to-integer-atoi/atoi_test.go
diff --git a/‎sum-of-absolute-differences-in-a-sorted-array/sum.go renamed to ‎problems/sum-of-absolute-differences-in-a-sorted-array/sum.go b/‎sum-of-absolute-differences-in-a-sorted-array/sum.go renamed to ‎problems/sum-of-absolute-differences-in-a-sorted-array/sum.go
diff --git a/‎sum-of-absolute-differences-in-a-sorted-array/sum_test.go renamed to ‎problems/sum-of-absolute-differences-in-a-sorted-array/sum_test.go b/‎sum-of-absolute-differences-in-a-sorted-array/sum_test.go renamed to ‎problems/sum-of-absolute-differences-in-a-sorted-array/sum_test.go
diff --git a/‎text-justification/justify.go renamed to ‎problems/text-justification/justify.go b/‎text-justification/justify.go renamed to ‎problems/text-justification/justify.go
diff --git a/‎text-justification/justify_test.go renamed to ‎problems/text-justification/justify_test.go b/‎text-justification/justify_test.go renamed to ‎problems/text-justification/justify_test.go
diff --git a/‎transpose-file/file.txt renamed to ‎problems/transpose-file/file.txt b/‎transpose-file/file.txt renamed to ‎problems/transpose-file/file.txt
diff --git a/‎transpose-file/trans.sh renamed to ‎problems/transpose-file/trans.sh b/‎transpose-file/trans.sh renamed to ‎problems/transpose-file/trans.sh
diff --git a/‎word-frequency/freq.sh renamed to ‎problems/word-frequency/freq.sh b/‎word-frequency/freq.sh renamed to ‎problems/word-frequency/freq.sh
diff --git a/‎word-frequency/words.txt renamed to ‎problems/word-frequency/words.txt b/‎word-frequency/words.txt renamed to ‎problems/word-frequency/words.txt
@@ -0,0 +1,13 @@
+SELECT
+  customer_id
+FROM
+  `Customer`
+GROUP BY
+  `customer_id`
+HAVING
+  COUNT(DISTINCT `product_key`) = ( -- table may contain duplicates rows
+    SELECT
+      COUNT(`product_key`)
+    FROM
+      `Product`
+  );
@@ -0,0 +1,10 @@
+SELECT
+  m.name
+FROM
+  Employee e
+  JOIN Employee m ON e.managerId = m.id
+GROUP BY
+  m.id,
+  m.name
+HAVING
+  COUNT(e.id) > 4;
@@ -0,0 +1,12 @@
+SELECT
+  DATE_FORMAT(trans_date, '%Y-%m') AS month,
+  country,
+  COUNT(*) AS trans_count,
+  SUM(IF(state = 'approved', 1, 0)) AS approved_count,
+  SUM(amount) AS trans_total_amount,
+  SUM(IF(state = 'approved', amount, 0)) AS approved_total_amount
+FROM
+  Transactions
+GROUP BY
+  DATE_FORMAT(trans_date, '%Y-%m'),
+  country;