11/12/13 18:12:03.06
>>27
#include<stdio.h>
#include<stdlib.h>
int main(){
int i, n;
char s[1000] = "", *p = s;
for (i = 0; i < 10; i++) {
printf("%d. ", i + 1);
scanf("%d", &n);
sprintf(p, "%d ", 2 * n);
while (*p)p++;
}
printf("%s", s);
return 0;
}