School Commit Init

Anul 1/Semestrul 2/OS/Labs/c-test-practice/matrix-from-text.c

@@ -0,0 +1,38 @@
+#include<stdio.h>
+#include<stdlib.h>
+
+int main(int argc, char** argv) {
+    FILE* f;
+    int rows, cols, i, j;
+    int** m;
+
+    f = fopen(argv[1], "r");
+    if(f == NULL) {
+        perror("Nu am putut deschide fisierul cu matricea");
+        return 1;
+    }
+
+    fscanf(f, "%d %d", &rows, &cols);
+    m = (int**)malloc(rows*sizeof(int*));
+    for(i=0; i<rows; i++) {
+        m[i] = (int*)malloc(cols*sizeof(int));
+        for(j=0; j<cols; j++) {
+            fscanf(f, "%d",&m[i][j]);
+        }
+    }
+    fclose(f);
+
+    for(i=0; i<rows;i++) {
+        for(j=0; j<cols; j++) {
+            printf("%2d ", m[i][j]);
+        }
+        printf("\n");
+    }
+
+    for(i=0; i<rows; i++) {
+        free(m[i]);
+    }
+    free(m);
+
+    return 0;
+}