http://www.hackerschool.org/HS_Boards/zboard.php?id=QNA_programming&no=1742 [º¹»ç]
#include<stdio.h>
#include<stdlib.h>
#include"time.h"
void insertionSort(int a[], int size)
{
int i, j, t;
printf("\n\n<<<<<<<<<< »ðÀÔ Á¤·Ä ¼öÇà >>>>>>>>>>\n");
for(i=1; i<size; i++)
{
t=a[i];
j=i;
while(j>0 && a[j-1]>t){
a[j]=a[j-1];
j--;
}
a[j]=t;
}
}
int main(){
int data;
int i=0;
int size=0;
int state;
int start;
int finish;
FILE *fp;
int *a=(int *)malloc(sizeof(int)*1000000);
fp=fopen("input.txt","r");
if(fp == NULL)
{
printf("input.txt ÆÄÀÏÀ» ãÀ» ¼ö ¾ø½À´Ï´Ù. \n");
return 1;
}
while(fscanf(fp, "%d\n", &data)!=EOF){
fflush(stdin);
a[size] = data;
size++;
}
start = clock(); /* Á¤·ÄÀ» ½ÃÀÛÇÑ ½Ã°£À» ±â·ÏÇÑ´Ù */
insertionSort(a, size);
finish = clock(); /* Á¤·ÄÀÌ ³¡³ ½Ã°£À» ±â·ÏÇÑ´Ù */
printf("¼Ò¿ä½Ã°£ (1/1000sec) : %g \n", difftime(finish, start));
for(i=0; i<size; i++){
printf("%d\n", a[i]);
}
state=fclose(fp);
if(state!=0){
printf("file close error!\n");
return 1;
}
free(a);
getchar();
return 0;
}
ÀÌ·¸°Ô ÇÁ·Î±×·¡¹ÖÀ» ÇÞ½À´Ï´Ù.
Á¦°¡ Àоî¿Ã input.txt¿¡´Â 999,999°³ÀÇ ³¼ö°¡ µé¾îÀÖ±¸¿ä.
±×·±µ¥ »ðÀÔÁ¤·ÄÀ» ¼öÇàÇÑ´ÙÀ½¿¡ Á¤·ÄÇÑ°ÍÀ» ÇÁ¸°Æ® ÇÒ·Á°í Çϴµ¥
ÇÁ¸°Æ®°¡ µÇÁö¸¦ ¾Ê½À´Ï´Ù. ¾Æ¿¡.. »ðÀÔÁ¤·ÄÀÌ ¼öÇàµÇÁö ¾Ê´Â°Å °°Àºµ¥
¿Ö±×·±Áö ¸ð¸£°Ú½À´Ï´Ù.... |
Hit : 3047 Date : 2008/11/03 06:21
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