Data Structures C language version of the question for answers, urgently!
#include <iostream>
#include <iomanip>
#include <string>
#include <vector>
# include <iostream>
using namespace std;
int main()
{
vector< vector< int > > Point; // node
int Point_Number;// Number of vertices
int Rear,Head;// Arc tail and head
int point;
int sum=0;// Finding degree of entry
cin>> > Point_Number;
Point.resize(Point_Number);
for(int i=0; i<Point_Number; i++ )// Claim array space
{
Point[i].resize(Point_Number );
}
for(int i=0; i<Point_Number; i++ )// Initialize adjacency matrix N*N
{
for(int j=0; j<Point_Number; j++ )
{
p> Point[i][j]=0;
}
}
for(int i=0;i<Point_Number;i++ )
{
cin>>Rear>>Head;// Record data
Point[Rear-1][Head-1]=1;// Use 1 to represent an arc generated
}
cout<< “K=?” <<endl;
cin>>point;// vertex
for(int i=0; i<Point_Number; i++)
{
if( Point[i][point-1] ==1 )
{
sum++;// add one to the entry degree
}
}
cout<< “Sum=”<< sum<<endl;// output entry degree
return 0;
}
}
c语言题型，数据结构题
c语言题型，数据结构题
#include<stdio.h>
#include<malloc.h>
typedefstructstudent
{
charname[20];
longnum;
charsex;
structstudent*pNext;
}Stu,*pStu;
voidcreatInfo(pStu*stu);
intdeletInfo(pStustu,longnumTemp);
voidprintInfo(pStustu);
intmain(void)
{
longnumTemp=0;
pStumyStu=NULL;
creatInfo(&myStu);
scanf(“%ld”,&numTemp);
if(1==deletInfo(myStu,numTemp))
printInfo(myStu);
return0;
}
voidcreatInfo(pStu*stu)
{
intn=1;
pStupNew=NULL,pTail=NULL;
*stu=(pStu)malloc(sizeof(Stu));
if(*stu==NULL)
return;
(*stu)->pNext=NULL;
pTail=*stu;
while(n<=10)
{
pNew=(pStu)malloc(sizeof(Stu));
if(NULL==pNew)
return;
pNew->pNext=NULL;
scanf(“%s”,pNew->name);
if(‘#’==pNew->name[0])
{
free(pNew);
pNew=NULL;
return;
}
scanf(“%ld%c”,&pNew->num,&pNew->sex);
pTail->pNext=pNew;
pTail=pNew;
++n;
}
}
intdeletInfo(pStustu,longnumTemp)
{
pStupTail=NULL,pHead=NULL;
pHead=stu;
pTail=stu->pNext;
while(pTail)
{
if(pTail->num==numTemp)
{
pHead->pNext=pTail->pNext;
free(pTail);
pTail=NULL;
return1;
}
pTail=pTail->pNext;
pHead=pHead->pNext;
}
printf(“链表中唔该学生！\n”);
return0;
}
voidprintInfo(pStustu)
{
while(stu=stu->pNext)
printf(“%s,%d,%c\n”,stu->name,stu->num,stu->sex);
}