init commit

3sem/cnts/contest11/02.c

@@ -0,0 +1,35 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <wait.h>
+#include <sys/types.h>
+
+int
+main()
+{
+    pid_t pid;
+    pid = fork();
+    if (!pid) {
+        pid = fork();
+        if (!pid) {
+            printf("3 ");
+
+            return 0;
+        } else if (pid == -1) {
+            return 1;
+        } else {
+            wait(NULL);
+            printf("2 ");
+        }
+        return 0;
+    } else if (pid == -1) {
+        return 1;
+    } else {
+        wait(NULL);
+        printf("1");
+    }
+
+    printf("\n");
+
+    return 0;
+}