Write a program to calculate the sum of numbers in a 2D matrix.

Medium

[ [1, 2, 3],
 [4, 5, 6],
 [7, 8, 9] ]

Sum: 45

Time: 2s · Memory: 256 MB

Code Editor

00:00

// Predefined structure function sumMatrix(matrix: number[][]): number { // Your logic here }

Input

[ [1, 2, 3],
 [4, 5, 6],
 [7, 8, 9] ]

Expected Output

Sum: 45

Custom Input (stdin)

Program Output

> Run your code to see console output.

Programming Exercises