C with classes

C/BasicSyntax/Pointer/pointer_test_pointer_arrary.cpp

@@ -0,0 +1,42 @@
+#include <stdio.h>
+//<2F><><EFBFBD><EFBFBD>һ 
+/*int average(int *arr,int line,int row){
+	int sum=0;
+	for(int i=0;i<line*row;i++){
+		sum+=*arr;
+		*arr++;
+	}
+	return sum;
+} */
+//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+int average(int (*arr)[3],int line,int row){
+	int sum=0;
+	for(int i=0;i<line;i++){
+		for(int j=0;j<row;j++){
+			sum+=*(*(arr+i)+j);
+		}
+	}
+	return sum;
+}  
+int main(){
+	int * p[3];
+	int a[3][4];
+	for(int i=0;i<3;i++){
+		for(int j=0;j<4;j++){
+			scanf("%d",&a[i][j]);
+		}
+	}
+	for(int i=0;i<3;i++){
+		p[i] = a[i];
+	}
+	//<2F><>2ά<32><CEAC><EFBFBD><EFBFBD><EFBFBD>У<EFBFBD>a[i]<5D><>i<EFBFBD>е<EFBFBD>ָ<EFBFBD>룬&a[i]<5D><>i<EFBFBD>е<EFBFBD>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 
+	//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD>룬<EFBFBD><EBA3AC>ͷ<EFBFBD><CDB7> 
+	for(int i=0;i<3;i++){
+		for(int j=0;j<4;j++){
+			printf("%d ",*(* (p+i)+j));
+		}
+	}
+	//printf("%d",average(&a[0][0],3,4));
+	printf("%d",average(&a,3,4));
+	return 0;
+}