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Link: http://codepad.org/O00lsmKO    [ raw code | output | fork | 1 comment ]

C, pasted on Oct 1:
#include<stdio.h>
#include<conio.h>
#include<math.h>
#define MAX 100

void nhap (float a[], int &n)
{
	do
	{
		printf("\nNhap so phan tu: ");
		scanf("%d", &n);
		if(n <= 0 || n > MAX)
		{
			printf("\nSo phan tu khong hop le. Xin kiem tra lai !");
		}
	}while(n <= 0 || n > MAX);
	for(int i = 0; i < n; i++)
	{
		printf("\nNhap a[%d]: ", i);
		scanf("%f", &a[i]);
	}
}

void xuat(float a[], int n)
{
	for(int i = 0; i < n; i++)
	{
		printf("%8.3f", a[i]);
	}
}

void LietKe(float a[], int n)
{
	int flag = 0;
	for(int i = 0; i < n - 1; i++)
	{
		if((a[i] * a[i - 1] < 0) || (a[i] * a[i + 1] < 0))
		{
			flag = 1;
			printf("%8.3f", a[i]);
		}
	}
	if (flag == 0)
        printf("Mang ko co gia tri do");
}
int main()
{
	int n;
	float a[MAX];

	nhap(a, n);
	xuat(a, n);
	printf("\nCac so trong mang thoa dieu kien\n ");
	LietKe(a, n);

	getch();
	return 0;
}


Output:
1
2
3
4
5
6
Line 17: error: conio.h: No such file or directory
Line 6: error: expected ';', ',' or ')' before '&' token
In function 'xuat':
Line 26: error: 'for' loop initial declaration used outside C99 mode
In function 'LietKe':
Line 35: error: 'for' loop initial declaration used outside C99 mode


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Comments:
posted by Dgls on Mar 8
#include<iostream>
using namespace std;
void Nhap(int n, float a[]){
for(int i=0;i<n;i++){
cout<<"a["<<i<<"]= ";
cin>>a[i];
}
}
void LietKe(int n, float a[]){
for(int i=0; i<n; i++){
if(a[i]*a[i+1]<0 || a[i]*a[i-1]<0) cout<<a[i]<<" ";
}
}
main(){
int n;
cout<<"Nhap so phan tu cua mang: ";
cin>>n;
float a[n];
Nhap(n,a);
LietKe(n,a);
}
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