add code

1 files changed, 13 insertions, 0 deletions

diff --git a/euler1.c b/euler1.c
new file mode 100644
index 0000000..d89956e
--- /dev/null
+++ b/euler1.c
@@ -0,0 +1,13 @@
+#include <stdio.h>
+#include <stdlib.h>
+//Problem 1: multiples of 3 and 5
+int main(){
+	int max = 1000;
+	int i; double sum;
+	
+	for (i=0;i<max; i++)
+		if(i%3 == 0 || i%5==0)
+			 sum+= (double) i;
+	
+	printf("%f\n", sum);
+}