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Module DEMO-32-109DEMO-C-32

Matrix Sum

DEMO-C-32 • Programming in C

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Problem Statement

Matrix Sum

Write a program to calculate and print the sum of all elements in an N x M matrix.

Constraints

1 <= N, M <= 10. Integers within standard range.

Input Format

Input: Dimensions N M followed by the matrix elements.

Output Format

Output: The formatted result as specified.

Sample Testcases

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Sample #1
Public sample
Input
2 2
25 48
23 31
Output
127
Explanation
Sum of 2x2 elements = 127.
Sample #2
Public sample
Input
4 3
34 43 32
-2 39 49
42 6 10
-2 43 2
Output
296
Explanation
Sum of 4x3 elements = 296.
Sample #3
Public sample
Input
5 4
47 7 7 10
17 8 6 8
5 7 -9 -2
32 7 -9 4
-5 28 28 10
Output
206
Explanation
Sum of 5x4 elements = 206.
Sample #4
Public sample
Input
4 3
8 12 4
45 44 -7
33 50 42
6 -5 44
Output
276
Explanation
Sum of 4x3 elements = 276.

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