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Link: http://codepad.org/L0OcZAiQ    [ raw code | output | fork ]

C, pasted on Nov 15:
#include<stdio.h>
#include<conio.h>
#include<math.h>
#define MAX 100
void NhapMang(int a[][MAX], int &dong, int &cot)
{
	//Nhập số dòng
	do
	{
		printf("\nNhap vao so dong: ");
		// Cách tà đạo: scanf("dong =%d",&dong);  // Lúc nhập phải viết thêm  chữ ( dong =  ) ở khung console
		scanf("%d",&dong);

		if(dong < 1 || dong > MAX)
		{
			printf("\nSo dong khong hop le. Xin kiem tra lai!");
		}

	}while(dong < 1 || dong > MAX);

	//Nhập số cột
	do
	{
		printf("\nNhap vao so cot: ");
		scanf("%d",&cot);

		if(cot < 1 || cot > MAX)
		{
			printf("\nSo cot khong hop le. Xin kiem tra lai!");

		}

	}while(cot < 1 || cot > MAX);
	for(int i = 0; i < dong; i++)
	{
		for(int j = 0; j < cot; j++)
		{
			printf("\nNhap a[%d][%d] = ", i, j);
			scanf("%d", &a[i][j]);
		}
	}
}

void XuatMang(int a[][MAX], int dong, int cot)
{
	for(int i = 0; i < dong; i++)
	{
		for(int j = 0; j < cot; j++)
		{
			printf("%4d", a[i][j]);
		}
		printf("\n\n");
	}
}

int KiemTraHoanThien(int n)
{
	int tong = 0;
	for(int i = 1; i < n; i++)
	{
		if(n % i == 0)
		{
			tong += i;
		}
	}
	if(tong == n)
	{
		return 1;
	}
	return 0;
}

int TimSoHoanThienDauTien(int a[][MAX], int dong, int cot)
{
	for(int i = 0; i < dong; i++)
	{
		for(int j = 0; j < cot; j++)
		{
			if(KiemTraHoanThien(a[i][j]) == 1)
			{
				return a[i][j];
			}
		}
	}
	return -1;
}

int TimSoHoanThienNhoNhat(int a[][MAX], int dong, int cot)
{
	int SoHoanThienMin = TimSoHoanThienDauTien(a, dong, cot); 
	if (SoHoanThienMin == -1) 
	{ 
		return -1; 
	} 
	for (int i = 0; i < dong;i++) 
	{ 
		for (int j = 0; j < cot; j++) 
		{ 
			if (KiemTraHoanThien(a[i][j]) == 1) 
			{ 
				SoHoanThienMin = (SoHoanThienMin < a[i][j]) ? SoHoanThienMin : a[i][j]; 
			} 
		} 
	} 
	return SoHoanThienMin; 
}
int main()
{
	int a[MAX][MAX], dong, cot;
	NhapMang(a, dong, cot);
	XuatMang(a, dong, cot);


	int SoHoanThienMin = TimSoHoanThienNhoNhat(a, dong, cot);
	printf("\nSo hoan thien nho nhat = %d", SoHoanThienMin);

	getch();
	return 0;
}


Output:
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Line 17: error: conio.h: No such file or directory
Line 5: error: expected ';', ',' or ')' before '&' token
In function 'XuatMang':
Line 46: error: 'for' loop initial declaration used outside C99 mode
Line 48: error: 'for' loop initial declaration used outside C99 mode
In function 'KiemTraHoanThien':
Line 59: error: 'for' loop initial declaration used outside C99 mode
In function 'TimSoHoanThienDauTien':
Line 75: error: 'for' loop initial declaration used outside C99 mode
Line 77: error: 'for' loop initial declaration used outside C99 mode
In function 'TimSoHoanThienNhoNhat':
Line 95: error: 'for' loop initial declaration used outside C99 mode
Line 97: error: 'for' loop initial declaration used outside C99 mode


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