1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
|
#define N 4
void matrix_multiply(int first[N][N], int second[N][N], int multiply[N][N]) {
int sum = 0;
for (int c = 0; c < N; c++) {
for (int d = 0; d < N; d++) {
for (int k = 0; k < N; k++) {
sum = sum + first[c][k]*second[k][d];
}
multiply[c][d] = sum;
sum = 0;
}
}
}
int main() {
int f[N][N] = {{1, 2, 3, 4}, {1, 2, 3, 4}, {1, 2, 3, 4}, {1, 2, 3, 4}};
int s[N][N] = {{5, 6, 7, 8}, {5, 6, 7, 8}, {5, 6, 7, 8}, {5, 6, 7, 8}};
int m[N][N] = {{0, 0, 0, 0}, {0, 0, 0, 0}, {0, 0, 0, 0}, {0, 0, 0, 0}};
matrix_multiply(f, s, m);
return m[1][1];
}
|
