你希望它是這樣嗎? Check this out!
我可以在Pascal,C++和Java中編寫代碼。 PS:我也不是英語母語的人。
第一個答案:這不是最好的答案,明天下午我會改進它。
#include <iostream>
using namespace std;
int get() {
static int counter = 0;
static bool reverse = false;
!reverse ? counter++ : counter--;
if (counter==10 or counter==0) reverse = !reverse;
counter==10 ? counter = 8 : 0;
counter==0 ? counter = 2 : 0;
return counter;
}
int main() {
int number;
cout << "Enter N Number = ";
cin >> number;
//forward:
for (int i = 0; i < number; i++) {
for (int j = number-i-1; j > 0; j--)
cout << " ";
cout << get();
if (i!=0) {
for (int j = 0; j < i * 2 -1; j++) cout << " ";
cout << get();
}
cout << endl;
}
//backward:
for (int i = number-1; i > 0 ; i--) {
for (int j = number-i; j > 0; j--)
cout << " ";
cout << get();
if (i!=1) {
for (int j = i * 2 -3; j > 0; j--) cout << " ";
cout << get();
}
cout << endl;
}
return 0;
}
第二個答案:強化循環
#include <iostream>
using namespace std;
int nextNumber() {
static int counter = 0;
static bool reverse = true;
!reverse ? counter++ : counter--;
if (counter==-1) counter=1;
if (counter==9 or counter==1) reverse = !reverse;
return counter;
}
int main() {
int number;
cout << "Enter N Number = ";
cin >> number;
int space = number;
int middle = -3;
for (int row = 0; row < number*2-1; row++) {
if(row<number) {
space--;
middle += 2;
}
else {
space++;
middle -= 2;
}
for (int i = 0; i < space; i++)
cout << " ";
cout << nextNumber();
if(row!=0 and row!=number*2-2) {
for (int i = 0; i < middle; i++)
cout << " ";
cout << nextNumber();
}
cout << endl;
}
return 0;
}
你可以試試'ABS(M +%16-8)+1;'m是開始表格8 –