1 1
2 2 2 3
3 3 3 4 5 6
4 4 4 4 7 8 9 10
5 5 5 5 5 11 12 13 14 15
1.
#include "stdio.h"
int main()
{
int i=1,j=1;
while(i<=5)
{
j=1;
while(j<=i)
{
printf("%d ",i);
j++;
}
printf("\n");
i++;
}
}
2.
#include "stdio.h"
int main()
{
int i=1,j=1,k=1;
while(i<=5)
{
j=1;
while(j<=i)
{
printf("%d ",k++);
j++;
}
printf("\n");
i++;
}
}
结果:
int main()
{
int i=1,j,n=1,t=1;
while(i<=5)
{
for(j=1;j<=i;j++)printf("%d ",i);printf("\n");
i++;
}
i=1;
while(n<=5)
{
for(i=0;i<n;i++)printf("%d ",t++);printf("\n");n++;
}
}