diff --git a/1.cpp b/1.cpp
new file mode 100644
index 0000000..c1ef4ab
--- /dev/null
+++ b/1.cpp
@@ -0,0 +1,27 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+
+#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];
+    for (int i = 0; i < SIZE; ++i) {
+        A[i] = rand() % 100;
+        B[i] = rand() % 100;
+    }
+    clock_t start = clock();
+    vector_add(A, B, C, SIZE);
+    clock_t end = clock();
+    double time_used = ((double)(end - start)) / CLOCKS_PER_SEC;
+    printf("向量加法耗时: %.6f 秒\n", time_used);
+
+    return 0;
+}
+