From 9478efbfc092603cad5851928421bef4e54b76f5 Mon Sep 17 00:00:00 2001
From: p7cx2jokr <2160925370@qq.com>
Date: Sat, 30 Nov 2024 23:22:46 +0800
Subject: [PATCH] ADD file via upload

---
 1.cpp | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 1.cpp

diff --git a/1.cpp b/1.cpp
new file mode 100644
index 0000000..839eec1
--- /dev/null
+++ b/1.cpp
@@ -0,0 +1,47 @@
+#include <stdio.h>
+#include <math.h>
+#include <time.h>
+
+void applyGaussianBlur(float src[5][5], float dst[5][5], int h, int w, float kernel[3][3]) {
+    for (int i = 1; i < h - 1; i++) {
+        for (int j = 1; j < w - 1; j++) {
+            dst[i][j] = 0;
+            for (int ki = -1; ki <= 1; ki++) {
+                for (int kj = -1; kj <= 1; kj++) {
+                    dst[i][j] += src[i + ki][j + kj] * kernel[1 + ki][1 + kj];
+                }
+            }
+        }
+    }
+}
+
+int main() {
+    float src[5][5] = {
+        {0, 0, 0, 0, 0},
+        {0, 1, 2, 3, 0},
+        {0, 4, 5, 6, 0},
+        {0, 7, 8, 9, 0},
+        {0, 0, 0, 0, 0}
+    };
+    float dst[5][5] = {0};
+    float kernel[3][3] = {
+        {1.0/16, 2.0/16, 1.0/16},
+        {2.0/16, 4.0/16, 2.0/16},
+        {1.0/16, 2.0/16, 1.0/16}
+    };
+
+    clock_t start = clock();
+    applyGaussianBlur(src, dst, 5, 5, kernel);
+    clock_t end = clock();
+
+    printf("矩阵结果：\n");
+    for (int i = 0; i < 5; i++) {
+        for (int j = 0; j < 5; j++) {
+            printf("%.2f ", dst[i][j]);
+        }
+        printf("\n");
+    }
+    printf("步骤1运行时间：%f秒\n", (double)(end - start) / CLOCKS_PER_SEC);
+
+    return 0;
+}