draft

programs/p49/main.c

@@ -0,0 +1,27 @@
+#include <stdio.h>
+
+int main(void) {
+    int n;
+
+    printf("Input positive integer: ");
+    scanf("%d", &n);
+
+    if (n <= 0) {
+        return 1;
+    }
+
+    int i = 0;
+
+    while (i < n) {
+        if (i % 2) {
+            putchar('-');
+        } else {
+            putchar('+');
+        }
+        i++;
+    }
+
+    putchar('\n');
+
+    return 0;
+}