Question

C语言用for如何实现输出以下样例 1 22 333 4444 55555

Answer 1

#include<stdio.h>

#define N 5

#define X (i+1)

void main() { int i,j;

for ( i=0;i<N;i++ ) {

for ( j=0;j<X;j++ ) printf("%d",i+1);

printf("\n");

}

}