Example 1
Example 2
Example 3
transactions.length <= 1000Each transactions[i] takes the form "{name},{time},{amount},{city}"Each {name} and {city} consist of lowercase English letters, and have lengths between 1 and 10.Each {time} consist of digits, and represent an integer between 0 and 1000.Each {amount} consist of digits, and represent an integer between 0 and 2000.Example 1
Example 2
Example 3
transactions.length <= 1000Each transactions[i] takes the form "{name},{time},{amount},{city}"Each {name} and {city} consist of lowercase English letters, and have lengths between 1 and 10.Each {time} consist of digits, and represent an integer between 0 and 1000.Each {amount} consist of digits, and represent an integer between 0 and 2000.