Работы по программированию

Задания по C и C++/с (2024)/С(2024)/19.c

@@ -0,0 +1,42 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+
+int main() {
+    srand(time(NULL));
+
+    FILE *fn_a = fopen("netext_a.bin", "wb");
+    if (fn_a == NULL) {
+        perror("Error opening file netext_a.bin");
+        return 1;
+    }
+    for (int i = 1; i <= 100; i++) {
+        char n = -50 + rand() % 151;
+        fwrite(&n, sizeof(char), 1, fn_a);
+    }
+    fclose(fn_a);
+
+    FILE *fn_b = fopen("netext_b.bin", "wb");
+    if (fn_b == NULL) {
+        perror("Error opening file netext_b.bin");
+        return 1;
+    }
+    for (int i = 1; i <= 100; i++) {
+        char n = -50 + rand() % 151;
+        fwrite(&n, sizeof(char), 1, fn_b);
+    }
+    fclose(fn_b);
+
+    FILE *fn_v = fopen("netext_v.bin", "wb");
+    if (fn_v == NULL) {
+        perror("Error opening file netext_v.bin");
+        return 1;
+    }
+    for (int i = 1; i <= 100; i++) {
+        char n = -50 + rand() % 151;
+        fwrite(&n, sizeof(char), 1, fn_v);
+    }
+    fclose(fn_v);
+
+    return 0;
+}