What is the running time of the following matrix multiplication method? // square matrix multiplication // m1, m2, and result are n by n arrays for (int row = 0; row < n; row++) { for (int col = 0; col < n; col++) { int sum = 0; for (int entry = 0; entry < n; entry++) { sum = sum + m1[row][entry]*m2[entry][col]; } result[row][col] = sum; } }

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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What is the running time of the following matrix multiplication method?
// square matrix multiplication
// m1, m2, and result are n by n arrays
for (int row = 0; row < n; row++)
{
for (int col = 0; col < n; col++)
{
int sum = 0;
for (int entry = 0; entry < n; entry++)
{
sum = sum + m1[row][entry]*m2[entry][col];
}
result[row][col] = sum;
}
}

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