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1.cpp

@@ -0,0 +1,44 @@
+#include <stdio.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++) { 
+            float sum = 0.0f;
+            for (int ki = 0; ki < 3; ki++) {
+                for (int kj = 0; kj < 3; kj++) { 
+                    sum += src[i + ki - 1][j + kj - 1] * kernel[ki][kj];
+                }
+            }
+            dst[i][j] = sum;
+        }
+    }
+}
+int main() {
+    float input[5][5] = {
+        {1, 2, 3, 4, 5},
+        {6, 7, 8, 9, 10},
+        {11, 12, 13, 14, 15},
+        {16, 17, 18, 19, 20},
+        {21, 22, 23, 24, 25}
+    };
+    float kernel[3][3] = {
+        {1.0f / 16, 2.0f / 16, 1.0f / 16},
+        {2.0f / 16, 4.0f / 16, 2.0f / 16},
+        {1.0f / 16, 2.0f / 16, 1.0f / 16}
+    };
+    float dst[5][5];
+    clock_t start_time = clock();
+    applyGaussianBlur(input,dst,5,5,kernel);
+    clock_t end_time = clock();
+    double time_taken = (double)(end_time - start_time) / CLOCKS_PER_SEC;
+    printf("Gaussian Blur applied to the image matrix:\n");
+    for (int i = 0; i < 5; i++) {
+        for (int j = 0; j <5; j++) {
+            printf("%.2f ", dst[i][j]);
+        }
+        printf("\n");
+    }
+    printf("Time taken: %f seconds\n", time_taken);
+    return 0;
+}
+