diff --git a/Produto escalar.c b/Produto escalar.c
new file mode 100644
index 0000000..8bd9369
--- /dev/null
+++ b/Produto escalar.c	
@@ -0,0 +1,40 @@
+#include<stdio.h>
+#include<time.h>
+#include<stdlib.h>
+#define MAX 10
+
+void prode()
+{
+    int i, esc[3] = {2,2,2}, x=0;
+    long buf[MAX]={0}; 
+    srand(time(NULL));
+    for (i=0; i<MAX; i++){
+        buf[i] = rand() % 10;
+        printf(" %d ", buf[i]);
+    }
+
+
+    for (i=0; i<MAX; i++)
+    {
+        x = buf[i]*esc[0];
+        x += buf[i+1]*esc[1];
+        x += buf[i+2]*esc[2];
+        buf[i+1] = x;
+        printf("\n %d", buf[i]);
+    }
+}
+
+//5,8,3
+
+int main()
+{
+    clock_t tic = clock();
+
+    prode();
+
+    clock_t toc = clock();
+
+    printf("\n\n Essa bagaca demorou: %f fuking segundos\n", (double)(toc - tic) / CLOCKS_PER_SEC);
+
+    return 0;
+}
\ No newline at end of file