字符格式
#include <stdio.h>
int main(){
int i,j;
for(i=1;i<=9;i++){
for(j=1;j<=i;j++){
printf("%d*%d=%2d ",j,i,j*i);
}
printf("\n");
}
return 0;
}
int main(){
int i,j;
for(i=1;i<=9;i++){
for(j=1;j<=i;j++){
printf("%d*%d=%2d ",j,i,j*i);
}
printf("\n");
}
return 0;
}