backup

1 files changed, 45 insertions, 0 deletions

diff --git a/assignments/18-harmonic-series.c b/assignments/18-harmonic-series.c
new file mode 100644
index 0000000..4fc62b1
--- /dev/null
+++ b/assignments/18-harmonic-series.c
@@ -0,0 +1,45 @@
+#include <stdio.h>
+
+int main(void)
+{
+	int i, n;
+	float sum;
+	printf("Calculate the sum of 1/i from i to a given number.\n\n");
+	printf("Enter a number: ");
+	scanf("%d", &n);
+	sum = 0;
+	for (i = 1; i <= n; i++) {
+		sum += 1/(float)i;
+	}
+	printf("The sum is %f\n", sum);
+	return 0;
+}
+
+/*
+Output:
+Set 1:
+Calculate the sum of 1/i from i to a given number.
+
+Enter a number: 1
+The sum is 1.000000
+
+Set 2:
+Calculate the sum of 1/i from i to a given number.
+
+Enter a number: 2
+The sum is 1.500000
+
+Set 3:
+Calculate the sum of 1/i from i to a given number.
+
+Enter a number: 10
+The sum is 2.928968
+
+Set 4:
+Calculate the sum of 1/i from i to a given number.
+
+Enter a number: 100
+The sum is 5.187378
+
+*/
+