diff --git a/1.cpp b/1.cpp
new file mode 100644
index 0000000..1eeeea3
--- /dev/null
+++ b/1.cpp
@@ -0,0 +1,30 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctime>
+#define SIZE 1024
+
+void vector_add(float* A, float* B, float* C, int size){
+    for(int i=0;i<size;i++){
+        C[i]=A[i]+B[i];
+    }   
+}
+
+int main(){
+    float A[SIZE],B[SIZE],C[SIZE];
+
+    //初始化 
+    srand(time(NULL));
+    for(int i=0;i<SIZE;i++){
+        A[i]=rand()%100;
+        B[i]=rand()%100;
+    }
+    
+    //计时并输出 
+    clock_t start=clock();
+    vector_add(A,B,C,SIZE); 
+    clock_t end=clock();
+    printf("初始向量加法时间：%f秒\n",(double)(end-start)/CLOCKS_PER_SEC); 
+     
+    return 0;
+}
+