1009 printf和scanf

#include<stdlib.h>

#include<stdio.h>

int main1()

{

char buf[111];

int year=2012,month=12,day=12;

sprintf(buf,"%d-%d-%d",year,month,day);

//atoi 的反向功能

puts(buf);

}

 

 int main2()

{

char buf[4];

int year=2012,month=12,day=12;

//sprintf(buf,"%d-%d-%d",year,month,day);

snprintf(buf,3,"%d-%d-%d",year,month,day);

//atoi 的反向功能

puts(buf);

}