bai 3 tuan 2 nah, dam bao %

by thanhhuypro 28/12/2009, 17:43

#include"stdio.h"
#include"conio.h"
void aNhapmangsonguyen(int a[],int n)
{
for(int i=0;i<n;i++)
{
printf("a[%d]=",i);
scanf("%d",&a[i]);
}
}

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

int cTongcacphantu(int a[],int n)
{
int s=0;
for(int i=0;i<n;i++)

s=s+a[i];
return s;

}
int KtraSNT(int a)
{
for(int i=2;i<=a-1;i++)
if(a%i==0)
return 0;
return 1;
}
int dTongsonguyento(int a[],int n)
{
int s=0;
for(int i=0;i<n;i++)
if(KtraSNT(a[i])==1)
s=s+a[i];
return s;
}
int ePhantunhonhat(int a[],int n)
{
int min=a[0];
for(int i=0;i<n;i++)
if(a[0]>a[i])
min=a[i];
return min;
}
int fSoamlonnhat(int a[],int n)
{
int max=0;
for(int i=0;i<n;i++)
if(max>a[i])
max=a[i];
for(i=0;i<n;i++)
if(a[i]<0&&a[i]>max)
max=a[i];
return max;

}
int gSolonnhatthu2(int a[],int n)
{
int max1=a[0],vt;
for(int i=0;i<n;i++)
if(max1<a[i])
max1=a[i];
int max2=ePhantunhonhat(a,n);
for(i=0;i<n;i++)
if(max2<a[i]&&a[i]<max1)
{
max2=a[i];
vt=i;
}
return vt ;
}

void hThututangdan(int a[],int n)
{
int t;
for(int i=0;i<n-1;i++)
for(int j=i+1;j<n;j++)
if(a[i]>a[j])
{
t=a[j];
a[j]=a[i];
a[i]=t;
}
}
void main()
{
int a[100];
int n=5;
//cau a
aNhapmangsonguyen(a,n);
//caub
printf("xuat mang a:\n");
bxuat(a,n);
//cau c
printf("Tong cac phan tu la: %d\n",cTongcacphantu(a,n));
//cau d
printf("Tong cac so nguyen to la: %d\n",dTongsonguyento(a,n));
//caue
printf("Phan tu nho nhat la:%d\n",ePhantunhonhat(a,n));
//cau f
if(fSoamlonnhat(a,n)==0)
printf("khong co gia tri am\n");
else
printf("So am lon nhat la %d\n",fSoamlonnhat(a,n));
//cau g
printf("So lon nhat thu 2 o vi tri:%d",gSolonnhatthu2(a,n));
//cau h
printf("Sap xep theo thu tu tang dan:\n");
hThututangdan(a,n);
bxuat(a,n);
}