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Write a function that gets a 2-d array of ints arr[height][width], and returns an array SUM of length height such that SUM[i] contains the sum of all values in the i’th row of the array. For example - On input {{ 1, 2, 3}, {4, 7, -2}, {9, 10, 11}, {1, 5, 4}}; the function returns { 6, 9, 30, 10} // returns array SUM with SUM[i] = sum in the i’th row int* sum_row(int height, int width, const int ar[height][width]);   Test for the function: void test_q2() { intar[4][3] = {{1, 2, 3}, {4, 7,-2}, {9,10,12}, {1, 5, 4}}; int* m = sum_row(4,3, ar); intm0 = m[0]; intm1 = m[1]; intm2 = m[2]; intm3 = m[3]; free(m); // checking dynamic memory allocation if (m0==6 && m1==9 && m2==31 && m3==10) printf("Q2 ok\n"); else printf("Q2 ERROR\n"); }

Write a function that gets a 2-d array of ints arr[height][width], and returns an array SUM of length height such that SUM[i] contains the sum of all values in the i’th row of the array. For example - On input {{ 1, 2, 3}, {4, 7, -2}, {9, 10, 11}, {1, 5, 4}}; the function returns { 6, 9, 30, 10} // returns array SUM with SUM[i] = sum in the i’th row int* sum_row(int height, int width, const int ar[height][width]);   Test for the function: void test_q2() { intar[4][3] = {{1, 2, 3}, {4, 7,-2}, {9,10,12}, {1, 5, 4}}; int* m = sum_row(4,3, ar); intm0 = m[0]; intm1 = m[1]; intm2 = m[2]; intm3 = m[3]; free(m); // checking dynamic memory allocation if (m0==6 && m1==9 && m2==31 && m3==10) printf("Q2 ok\n"); else printf("Q2 ERROR\n"); }

C++ Programming: From Problem Analysis to Program Design
C++ Programming: From Problem Analysis to Program Design
8th Edition
ISBN:9781337102087
Author:D. S. Malik
Publisher:D. S. Malik
Chapter8: Arrays And Strings
Section: Chapter Questions
Problem 24PE
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Question

Write a function that gets a 2-d array of ints arr[height][width], and returns an array SUM of length height such that SUM[i] contains the sum of all values in the i’th row of

the array. For example

- On input {{ 1, 2, 3},

{4, 7, -2},

{9, 10, 11},

{1, 5, 4}};

the function returns { 6, 9, 30, 10}

// returns array SUM with SUM[i] = sum in the i’th row

int* sum_row(int height, int width, const int ar[height][width]);

 

Test for the function:

void test_q2() {
intar[4][3] = {{1, 2, 3},
{4, 7,-2},
{9,10,12},
{1, 5, 4}};
int* m = sum_row(4,3, ar);
intm0 = m[0];
intm1 = m[1];
intm2 = m[2];
intm3 = m[3];
free(m); // checking dynamic memory allocation
if (m0==6 && m1==9 && m2==31 && m3==10)
printf("Q2 ok\n");
else
printf("Q2 ERROR\n");
}
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