commit 7d24322031b726cfde107e0ce3e5cdcd19712496 parent f401901fd5c9a51de576710bbba025477bfe4155 Author: klewer-martin <martin.cachari@gmail.com> Date: Tue, 30 Mar 2021 00:22:56 -0300 Update: Added ex43.c Diffstat:
| A | guia03/ex43.c | | | 28 | ++++++++++++++++++++++++++++ |
1 file changed, 28 insertions(+), 0 deletions(-) diff --git a/guia03/ex43.c b/guia03/ex43.c @@ -0,0 +1,28 @@ +#include <stdio.h> +#include <stdlib.h> +#include <time.h> + +#define N 4 + +int main (void) +{ + double matrix[N][N]; + double trace; + + srand((unsigned int)time(NULL)); + + for(size_t i = 0; i < N; i++) { + putchar('('); + putchar(' '); + for(size_t j = 0; j < N; j++) { + matrix[i][j] = ((double)rand()/(double)(RAND_MAX)) * 20; + printf("%5.2f ", matrix[i][j]); + } + putchar(')'); + putchar('\n'); + trace += matrix[i][i]; + } + + printf("\nTrace = %2.2f.-\n", trace); + return 0; +}