cにおける動的使用配列
1668 ワード
#include <iostream>
#include <fstream>
#include<stdlib.h>
#define MAXNUM 200
int Isood(int n);
using namespace std;
int main(void)
{
int n;
cout<<"input n:";
cin>>n;
int *p;
p=(int *)malloc(n*sizeof(int));
for(int i=0;i<n;i++)
{
p[i]=i;
}
for(int i=0;i<n;i++)
{
cout<<p[i]<<" ";
}
free(p);
}
main(){
struct stu{
int num;
char *name;
char sex;
float score;
} *ps;
ps=(struct stu*)malloc(sizeof(struct stu));
ps->num=102;
ps->name="Zhang ping";
ps->sex='M';
ps->score=62.5;
printf("Number=%d
Name=%s
",ps->num,ps->name);
printf("Sex=%c
Score=%f
",ps->sex,ps->score);
free(ps);
}