C code - 73 lines

Link:

C, pasted on Oct 5:

#include<stdio.h>
#include<conio.h>
#include<math.h>
#define MAX 100

void nhap (int 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("%d", &a[i]);
	}
}

void xuat(int a[], int n)
{
	for(int i = 0; i < n; i++)
	{
		printf("%4d", a[i]);
	}
}

/*
1234
1234 / 10 = 123 -> bỏ đi hàng đơn vị
123 % 10 = 3  -> lấy chữ số hàng chục
*/
int TimSoHangChuc5(int n)
{
	n = abs(n);
	n = n / 10;
	int hangchuc = n % 10;
	if(hangchuc == 5)
	{
		return 1;
	}
	return 0;
}

int TinhTongSoHangChuc5(int a[], int n)
{
	int Tong = 0;
	for(int i = 0; i < n; i++)
	{
		if(TimSoHangChuc5(a[i]) == 1)
		{
			Tong += a[i];
		}
	}
	return Tong;
}
int main()
{
	int n;
	int a[MAX];

	nhap(a, n);
	xuat(a, n);
	int TongChuc5 = TinhTongSoHangChuc5(a, n);
	printf("\nTong cac phan tu co chu so hang chuc la 5: %d", TongChuc5);

	getch();
	return 0;
}

Output:

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 'TinhTongSoHangChuc5':
Line 52: error: 'for' loop initial declaration used outside C99 mode

Create a new paste based on this one

Comments:

posted by Dgls on Mar 11

#include<iostream>
using namespace std;
bool kt_chuc5(int n){
while(n>99) n/=10;
if(n%10==5) return true;
return false;
}
void Nhap(int n, int a[]){
for(int i=0; i<n; i++){
cout<<"a["<<i<<"]= ";
cin>>a[i];
}
}
main(){
int n;
cout<<"Nhap so phan tu cua mang: ";
cin>>n;
int a[n];
Nhap(n,a);
int tong=0;
for(int i=0; i<n; i++){
if(kt_chuc5(a[i])) tong+=a[i];
}
cout<<"Tong: "<<tong<<endl;
}

posted by 21521809@gm.uit.edu.vn on Jan 9

#include<iostream>
#include<cmath>
using namespace std;
#define MAX 100

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

float KetQua(int a[], int n){
int sum=0;
for(int i=0;i<n;++i){
int x=abs(a[i]);
while(x>10){
if(x<100 && x%5 == 0 && x%10 !=0)
sum += a[i];
x /= 10;
}
}return sum;
}

int main()
{
int n;
int
a[MAX];
nhap(a, n);
cout<<"Ket qua la : "<<KetQua(a,n);
return 0;
}