Bài tập về Mảng 1 chiều

#include <stdio.h>
#include <conio.h>
void main()
{
	int mang[10];//Khoi tao mang 10 so nguyen
	printf("Nhap day cac so nguyen \n");
	for(int i=0;i<10;i++)//i chay tu 0 den 9,phan tu thu 10 cua mang dung de luu ki tu trong
	{
		printf("\nNhap so nguyen thu %d: \n",i+1);//phan tu 0 dung de luu so nguyen thu nhat nen phan tu thu n se luu so nguyen thu n+1
		scanf("%d",&mang[i]);
	}
	printf("Cac so nguyen chan can tim la: \n");
	for(int i=0;i<10;i++)
	{
		if(mang[i]%2==0)//Kiem tra xem so nao chia het cho 2 thi do la so chan can tim
			printf(" %d ",mang[i]);
	}
	getch();
	
}

#include <stdio.h>
#include <conio.h>
void main()
{
	int mang[10];//Khoi tao mang 10 so nguyen
	printf("Nhap day cac so nguyen \n");
	for(int i=0;i<10;i++)//i chay tu 0 den 9,phan tu thu 10 cua mang dung de luu ki tu trong
	{
		printf("\nNhap so nguyen thu %d: \n",i+1);//phan tu 0 dung de luu so nguyen thu 1; nen phan tu thu n se luu so nguyen thu n+1
		scanf("%d",&mang[i]);
	}
	printf("Cac vi tri co so nguyen am can tim la: \n");
	for(int i=0;i<10;i++)
	{
		if(mang[i]<0)//Kiem tra xem so nao nho hon khong thi la so am
			printf(" %d ",i+1);//in ra vi tri so nguyen can tim la vitrimang +1
	}
	getch();
	
}

#include <stdio.h>
#include <conio.h>
void main()
{
	float max;
	float mang[10];//Khoi tao mang 10 so thuc
	printf("Nhap day cac so nguyen \n");
	for(int i=0;i<10;i++)//i chay tu 0 den 9,phan tu thu 10 cua mang dung de luu ki tu trong
	{
		printf("\nNhap so thuc thu %d: \n",i+1);//phan tu 0 dung de luu so thuc thu 1; nen phan tu thu n se luu so thuc thu n+1
		scanf("%f",&mang[i]);
	}
	max=mang[0];//Khoi tao max la so thu nhat
	for(int i=0;i<10;i++)
	{
		if(mang[i]>max)//Neu mang[i]>max thi gan max=mang[i]
		max=mang[i];
	}
	printf("So lon nhat can tim la: %0.3f \n",max);
	getch();
	
}

#include <stdio.h>
#include <conio.h>
void main()
{
	float mang[10];//Khoi tao mang 10 so thuc
	printf("Nhap day cac so nguyen \n");
	for(int i=0;i<10;i++)//i chay tu 0 den 9,phan tu thu 10 cua mang dung de luu ki tu trong
	{
		printf("\nNhap so thuc thu %d: \n",i+1);//phan tu 0 dung de luu so thuc thu 1; nen phan tu thu n se luu so thuc thu n+1
		scanf("%f",&mang[i]);
	}
	
	for(int i=0;i<10;i++)
	{
		if(mang[i]>0)
		{
		printf("So duong dau tien can tim la: %0.3f \n",mang[i]);
		break;//thoat khoi vong lap va in ra so duong dau tien
		}
		else
		printf("Khong tim thay so duong trong mang\n");
	}
	
	getch();
	
}

#include <stdio.h>
#include <conio.h>
void main()
{
	int mang[10];//Khoi tao mang 10 so mguyen
	printf("Nhap day cac so nguyen \n");
	for(int i=0;i<10;i++)//i chay tu 0 den 9,phan tu thu 10 cua mang dung de luu ki tu trong
	{
		printf("\nNhap so thuc thu %d: \n",i+1);//phan tu 0 dung de luu so thuc thu 1; nen phan tu thu n se luu so thuc thu n+1
		scanf("%d",&mang[i]);
	}
	
	for(int i=9;i>=0;i--)//tim so nguyen chan cuoi cung tuong duong voi tim so nguyen chan dau tien tu so cuoi cung len
	{
		if(mang[i]%2==0)
		{
		printf("So nguyen chan cuoi cung can tim la: %d \n",mang[i]);
		break;
		}
		else
		printf("Khong tim thay so nguyen chan trong mang\n");
	}
	
	getch();
	
}

#include <stdio.h>
#include <conio.h>
void main()
{
	int vitri;//Khai bao bien luu vi tri so nho nhat
	float min;//Khai bao bien chua gia tri nho nhat can tim
	float mang[10];//Khoi tao mang 10 so thuc
	printf("Nhap day cac so nguyen \n");
	for(int i=0;i<10;i++)//i chay tu 0 den 9,phan tu thu 10 cua mang dung de luu ki tu trong
	{
		printf("\nNhap so thuc thu %d: \n",i+1);//phan tu 0 dung de luu so thuc thu 1; nen phan tu thu n se luu so thuc thu n+1
		scanf("%f",&mang[i]);
	}
	min=mang[0];//Khoi tao min la so thu nhat
	for(int i=0;i<10;i++)
	{
		if(mang[i]<min)//Neu mang[i]<min thi gan min=mang[i]
		vitri=i;//Gan vi tri so nho nhat
	}
	printf("Vi tri so thuc nho nhat can tim la: %d \n",vitri+1);
	getch();
	
}

#include <stdio.h>
#include <conio.h>
void main()
{
	int mang[10];//Khoi tao mang 10 so nguyen
	printf("Nhap day cac so nguyen \n");
	for(int i=0;i<10;i++)//i chay tu 0 den 9,phan tu thu 10 cua mang dung de luu ki tu trong
	{
		printf("\nNhap so nguyen thu %d: \n",i+1);//phan tu 0 dung de luu so thuc thu 1; nen phan tu thu n se luu so thuc thu n+1
		scanf("%f",&mang[i]);
	}
	
	for(int i=0;i<10;i++)
	{
		if(mang[i]%2==0)//Tim so chan la so chia het cho 2
		{
			printf("Vi tri chan can tim la: %d \n",i+1);
			break;//Tim duoc so chan dau tien roi thi in ra man hinh vi tri so chan dau tien roi thoat khoi vong lap
		}

	}
	getch();
	
}

#include <stdio.h>
#include <conio.h>
void main()
{
	int dem=0;//Khai bao bien tim gia tri duong neu co gia tri duong thi dem=1 nguoc lai dem=0
	float min;//Khai bao bien luu gia tri duong nho nhat
	float mang[10];//Khoi tao mang 10 so thuc
	printf("Nhap day cac so thuc \n");
	for(int i=0;i<10;i++)//i chay tu 0 den 9,phan tu thu 10 cua mang dung de luu ki tu trong
	{
		printf("\nNhap so thuc thu %d: \n",i+1);//phan tu 0 dung de luu so thuc thu 1; nen phan tu thu n se luu so thuc thu n+1
		scanf("%f",&mang[i]);
	}
	
	for(int i=0;i<10;i++)//Lap vong lap neu tim duoc gia tri duong dau tien thi thuc hien vong lap trong tim gia tri min
	{
		if(mang[i]>0)//Tim gia tri duong dau tien roi gan gia tri do la min
		{
			dem=1;//Gan dem=1 vi da co gia tri duong
			min=mang[i];
			for(int i=0;i<10;i++)//so sanh min voi cac gia tri khac trong mang
			{
				if(mang[i]>0 && mang[i]<min)//neu co gia tri duong nho hon min thi gan min bang gia tri do
				{
					min=mang[i];
				}	
			}
		break;//Thuc hien xong vong lap trong xong thi thoat vong lap ngoai
		}
	}
	if(dem==0)
		printf("Khong tim thay gia tri duong nao ca \n");
	else
	printf("Gia tri duong nho nhat la %.3f \n",min);
	getch();
	
}

#include <stdio.h>
#include <conio.h>
void main()
{
	int vitri;//Khai bao bien luu vitri so duong nho nhat
	int dem=0;//Khai bao bien tim gia tri duong neu co gia tri duong thi dem=1 nguoc lai dem=0
	float min;//Khai bao bien luu gia tri duong nho nhat
	float mang[10];//Khoi tao mang 10 so thuc
	printf("Nhap day cac so thuc \n");
	for(int i=0;i<10;i++)//i chay tu 0 den 9,phan tu thu 10 cua mang dung de luu ki tu trong
	{
		printf("\nNhap so thuc thu %d: \n",i+1);//phan tu 0 dung de luu so thuc thu 1; nen phan tu thu n se luu so thuc thu n+1
		scanf("%f",&mang[i]);
	}
	
	for(int i=0;i<10;i++)//Lap vong lap neu tim duoc gia tri duong dau tien thi thuc hien vong lap trong tim gia tri min
	{
		if(mang[i]>0)//Tim gia tri duong dau tien roi gan gia tri do la min
		{
			dem=1;//Gan dem=1 vi da co gia tri duong
			min=mang[i];
			vitri=i;//Gan vi tri min duong nho nhat dau tien
			for(int i=0;i<9;i++)//so sanh min voi cac gia tri khac trong mang;Tru di gia tri cuoi cung
			{
				if(mang[i]>0 && mang[i]<min)//neu co gia tri duong nho hon min thi gan min bang gia tri do
				{
					min=mang[i];
					vitri=i;
				}	
			}
		break;//Thuc hien xong vong lap trong xong thi thoat vong lap ngoai
		}
	}
	if(dem==0)
		printf("Khong tim thay gia tri duong nao ca \n");
	else
	printf("Gia tri duong nho nhat la: %.3f o vi tri: %d \n",min,vitri);
	getch();	
}