Balance tracker
Java
Medium
4 views
Problem Description
Task: starting balance and transactions array (+credit, -debit). Return first index where balance becomes negative, else -1.
Output Format
Return value
Constraints
Track using long.
Official Solution
static int firstNegativeBalance(long bal,int[] tx){for(int i=0;i<tx.length;i++){bal+=tx[i];if(bal<0) return i;}return -1;}
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