diff --git a/C/program42/program42.c b/C/program42/program42.c
new file mode 100644
index 00000000..5a6154b0
--- /dev/null
+++ b/C/program42/program42.c
@@ -0,0 +1,17 @@
+/*C Program to print Floyd’s triangle*/
+// Without using a temporary variable and with only one loop 
+#include<stdio.h> 
+void floyd(n){ 
+    int i,j=1; 
+    for (i=1;i<=(n*(n+1))/2;i++){ 
+        printf("%d ",i); 
+        if(i==(j*(j+1))/2){ 
+            printf("\n"); 
+            j++; 
+        } 
+    } 
+} 
+  
+int main(){ 
+    floyd(6); 
+}