#include<stdio.h>
int?main()
{
?int?n=5;???????????//輸入的整數(shù)
?int?i=1,k=1;???????//i為輸出行數(shù)，k為輸出數(shù)據(jù)
?int?j;?????????????//j為每行輸出幾組數(shù)據(jù)
?if(n>=1&&n<=30)????//判斷n取值是否在范圍內(nèi)
?{
?while(i<=n)
?{
?j=1;
?while(j<=i)
?{
?printf("%d",k);
?k++;
?j++;
?}
?i++;
?printf("/n");
?}
?}
?else?return?0;
}

int?n;
????printf("請(qǐng)輸入n的值：");
????scanf("%d",&n);
????if(n<=1?||?n>=30){
????????printf("輸入超出范圍！");
????}else{
????????int?x?=?1;
????????int?ss?=?1;
????????while(n){
????????????for(int?k?=?x;k?>?0;?k--){
????????????????printf("%d?",ss++);
????????????}
????????????x++;
????????????n--;
????????????printf("\n");
????????}
????}

#include <stdio.h>

int main()

{

??? int n;

??? int a = 1;

??? printf("請(qǐng)輸入n的值：");

??? scanf("%d",&n);

??? if(n<=1 || n>=30)

?? {

????????? printf("輸入超出范圍！");

??? }

??? else

?? {

?????? for(int i=0;i<n ;i++)

?????? {

??????????? for(int j=0;j<n;j++)

?????????? {

????????????????? if(i>=j)

????????????????? {

????????????? ????? printf("%d",a);

??????????????????? ?a++;

?????????????? ?}

?????????????? ?else

??????????????? {

???????????????????printf(" ");

??????????????? }

??????????? }

???????????? printf("\n");

??????? }

?????}

}