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자료구족발보쌈/0908: Difference between revisions

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== 박인서 ==
== 박인서 ==


//고통받기를 시작합니다.
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
typedef struct node{
int val;
struct node* lnext;
struct node* rnext;
}node;
void push(node *, int);
int pop(node *);
int find(node * ,int);
long cnt=1;
int main()
{
int a;
char ch&#91;5&#93;;
node head;
printf("초기값 설정 ㄱㄱ\n");
scanf("%d",&head.val);
head.lnext=NULL;
head.rnext=NULL;
for(;;)
{
printf("push나 pop이나 exit 입력(push/pop/exit)\n");
scanf("%s",ch);
if(ch&#91;0&#93;=='e' && ch&#91;1&#93;=='x' && ch&#91;2&#93;=='i' && ch&#91;3&#93;=='t') break;
else if(ch&#91;0&#93;=='p' && ch&#91;1&#93;=='u' && ch&#91;2&#93;=='s' && ch&#91;3&#93;=='h')
{
printf("넣을 숫자 입력 ㄱㄱ(자연수만) : ");
scanf("%d",&a);
push(&head,a);
}
else if(ch&#91;0&#93;=='p' && ch&#91;1&#93;=='o' && ch&#91;2&#93;=='p')
{
a=pop(&head);
if(a==-1) printf("숫자 없음 ㅂㅅ아\n");
else printf("%d가 있었다 ㅂㅅ아\n",a);
}
else
{
printf("push나 pop이나 exit만 입력하라고...\n");
}
}
return 0;
}
void push(node * target, int newval)
{
node * newnode=(node *)malloc(sizeof(node));
int a=1,c,i;
int * b;
cnt++;
for(c=1;;c++)
{
if(a<=cnt && cnt<2*a) break;
a*=2;
}
a=cnt;
b=(int *)malloc((sizeof(int))*c);
for(i=0;i<c;i++)
{
if(a%2==0) b&#91;i&#93;=0;
else b&#91;i&#93;=1;
a/=2;
}
for(i=c-2;i>=1;i--)
{
if(b&#91;i&#93;==0)
target=target->lnext;
else
target=target->rnext;
}
newnode->val=newval;
newnode->lnext=NULL;
newnode->rnext=NULL;
if(b&#91;0&#93;==0) target->lnext=newnode;
else target->rnext=newnode;
free(b);
}
int pop(node * target)
{
int a=1,c,i;
int * b;
if(cnt==0) return -1;
if(cnt==1)
{
cnt--;
return target->val;
}
for(c=1;;c++)
{
if(a<=cnt && cnt<2*a) break;
a*=2;
}
a=cnt;
b=(int *)malloc((sizeof(int))*c);
for(i=0;i<c;i++)
{
if(a%2==0) b&#91;i&#93;=0;
else b&#91;i&#93;=1;
a/=2;
}
for(i=c-2;i>=1;i--)
{
if(b&#91;i&#93;==0)
target=target->lnext;
else
target=target->rnext;
}
if(b&#91;0&#93;==0)
{
a=target->lnext->val;
free(target->lnext);
target->lnext=NULL;
}
else
{
a=target->rnext->val;
free(target->rnext);
target->rnext=NULL;
}
free(b);
cnt--;
return a;
}
== ~~이정재~~ ==
== ~~이정재~~ ==



Revision as of 06:00, 15 September 2015

  2학기가 밝았습니다. 모두들 고통 받을 준비 하세요.

참여자 명단

함장 장용운 11학번 출석
선원 천준현 15학번 출석
최지혁 집감
박인서 출석
~~이정재~~ ~~탈주~~
이원준 출석
조종현 공강
남헌 출석

수업

진행

  1. 장소 : 6층 학회실
  2. 시간 : 15시~17시

내용

수심 3000m. 트리

  • 완전 이진 트리 만들기(push, pop)

~~수심이 계속 안 내려가는 것처럼 보이는 것은 기분 탓입니다.~~


코드

예제1

숙제

  1. 완성하지 못한 완전 이진 트리 완성해오기


숙제 제출

천준현

최지혁

박인서

//고통받기를 시작합니다.

  1. include <stdio.h>
  2. include <stdlib.h>
  3. include <string.h>

typedef struct node{ int val; struct node* lnext; struct node* rnext; }node;

void push(node *, int); int pop(node *); int find(node * ,int); long cnt=1;

int main() { int a; char ch[5]; node head; printf("초기값 설정 ㄱㄱ\n"); scanf("%d",&head.val); head.lnext=NULL; head.rnext=NULL; for(;;) { printf("push나 pop이나 exit 입력(push/pop/exit)\n"); scanf("%s",ch); if(ch[0]=='e' && ch[1]=='x' && ch[2]=='i' && ch[3]=='t') break; else if(ch[0]=='p' && ch[1]=='u' && ch[2]=='s' && ch[3]=='h') { printf("넣을 숫자 입력 ㄱㄱ(자연수만) : "); scanf("%d",&a); push(&head,a); } else if(ch[0]=='p' && ch[1]=='o' && ch[2]=='p') { a=pop(&head); if(a==-1) printf("숫자 없음 ㅂㅅ아\n"); else printf("%d가 있었다 ㅂㅅ아\n",a); } else { printf("push나 pop이나 exit만 입력하라고...\n"); } } return 0; }

void push(node * target, int newval) { node * newnode=(node *)malloc(sizeof(node)); int a=1,c,i; int * b; cnt++; for(c=1;;c++) { if(a<=cnt && cnt<2*a) break; a*=2; } a=cnt; b=(int *)malloc((sizeof(int))*c); for(i=0;i<c;i++) { if(a%2==0) b[i]=0; else b[i]=1; a/=2; } for(i=c-2;i>=1;i--) { if(b[i]==0) target=target->lnext; else target=target->rnext; } newnode->val=newval; newnode->lnext=NULL; newnode->rnext=NULL; if(b[0]==0) target->lnext=newnode; else target->rnext=newnode; free(b); }

int pop(node * target) { int a=1,c,i; int * b; if(cnt==0) return -1; if(cnt==1) { cnt--; return target->val; } for(c=1;;c++) { if(a<=cnt && cnt<2*a) break; a*=2; } a=cnt; b=(int *)malloc((sizeof(int))*c); for(i=0;i<c;i++) { if(a%2==0) b[i]=0; else b[i]=1; a/=2; } for(i=c-2;i>=1;i--) { if(b[i]==0) target=target->lnext; else target=target->rnext; } if(b[0]==0) { a=target->lnext->val; free(target->lnext); target->lnext=NULL; } else { a=target->rnext->val; free(target->rnext); target->rnext=NULL; } free(b); cnt--; return a; }

~~이정재~~

이원준

조종현

남헌



활동지도/2015 자료구족발보쌈