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Link: http://codepad.org/Tf6Vifq0    [ raw code | output | fork | 3 comments ]

C, pasted on Aug 17:
#include<stdio.h>
#include<conio.h>

int main()
{
	int i, n;
	float S;
	S = 0;
	do
	{
		printf("\nNhap n: ");
		scanf("%d", &n);
		if(n < 1)
		{
			printf("\nN phai lon hon hoac bang 1. Xin nhap lai !");
		}
	}while(n < 1);

	for(i = 1; i <= n; i++)
	{
		S = S + 1.0 / (2 * i);
	}
	printf("\nTong la: %f", S);

	getch();
	return 0;
}


Output:
1
Line 17: error: conio.h: No such file or directory


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Comments:
posted by hieunv1996 on Nov 19
Tôi đến từ khóa học lập trình C miễn phí của anh Hiếu
https://nguyenvanhieu.vn/khoa-hoc-lap-trinh-c/
reply
posted by hellboynice102 on Feb 1
#include <iostream>
using namespace std;

int main ()
{
int n;
cin >> n;
double s = 0;
for (int i = 1; i <= n; i++)
{
s = (double) 1 / i + s;
}
cout << s;
return 0;
}

reply
posted by MinhNhat on Feb 1
#include <iostream>
using namespace std;

int main ()
{
int n;
cin >> n;
double s = 0;
for (int i = 1; i <= n; i++)
{
s = (double) 1 /(2*i) + s;
}
cout << s;
return 0;
}

reply