#include <iostream>
#include<cstring>
#include <iomanip>
using namespace std;
struct nhanvien
{
char manv[6];
char hoten[50];
char quequan[20];
unsigned int namsinh;
unsigned int namvaolam;
};
//khai bao prototype
bool nhapnhanvien(nhanvien &nv,int i);
void nhapdsnhanvien(int n, nhanvien ds[]);
int timnhanvientheohoten (char ht[], nhanvien ds[],int n);
void indanhsach(nhanvien ds[],int n);
void chuanhoaten(char hoten[]);
//ham main
void main()
{
nhanvien a[100];
char ten[40];
int n;
cout<<"nhap tong so nhan vien: ";
cin>>n;
nhapdsnhanvien(n,a);
indanhsach(a,n);
cout<<"nhap ten nhan vien can tim: ";
cin.ignore(255,'\n');
cin.getline(ten,40);
chuanhoaten(ten);
int i=timnhanvientheohoten(ten,a,n);
if(i==-1) cout<<"khong tim thay nhan vien "<<ten;
else cout<<"co nhan vien "<<ten<<" trong danh sach\n"<<a[i].manv<<"\t"
<<a[i].hoten<<"\t"
<<a[i].namsinh<<"\t"
<<a[i].quequan<<"\t"
<<a[i].namvaolam<<endl;
cout<<endl;
}
//dinh nghia
bool nhapnhanvien(nhanvien &nv,int i)
{
//nhap sinh vien
cin.ignore(255,'\n');
cout<<"ho ten: ";
cin.getline(nv.hoten,50);
cout<<"Que quan: ";
cin.getline(nv.quequan,20);
cout<<"Nam sinh: ";
cin>>nv.namsinh;
cout<<"Nam vao lam: ";
cin>>nv.namvaolam;
//sinh ma nhan vien tu dong tang
int a[5],j=4;
switch(j)
{
case 4:a[j--]=i%10;
case 3:a[j--]=(i%100)/10;
case 2:a[j--]=((i%1000)/100);
case 1:a[j--]=((i%10000)/1000);
case 0:a[j--]=((i%100000)/10000);
}
for(j=0;j<5;j++)
switch(a[j])
{
case 0:nv.manv[j]=48;break;
case 1:nv.manv[j]=49;break;
case 2:nv.manv[j]=50;break;
case 3:nv.manv[j]=51;break;
case 4:nv.manv[j]=52;break;
case 5:nv.manv[j]=53;break;
case 6:nv.manv[j]=54;break;
case 7:nv.manv[j]=55;break;
case 8:nv.manv[j]=56;break;
}
nv.manv[5]='\0';
//kiem tra nam sinh va nam bat dau di lam
if (nv.namsinh<1950||nv.namsinh>2000) return 0;
if (nv.namvaolam>2010) return 0;
//kiem tra tuoi bat dau lam
int tuoi=nv.namvaolam-nv.namsinh;
if (tuoi<18||tuoi>60) return 0;
//chuan hoa ten
chuanhoaten(nv.hoten);
chuanhoaten(nv.quequan);
return 1;
}
void nhapdsnhanvien(int n, nhanvien ds[])
{
nhanvien tmp;
int i=0;
do
{
cout<<"nhap nhan vien thu "<<i+1<<endl;
if(nhapnhanvien(tmp,i+1))
ds[i++]=tmp;
}
while(i<n);
}
int timnhanvientheohoten (char ht[], nhanvien ds[],int n)
{
for(int i=0;i<n;i++)
if(strcmp(ht,ds[i].hoten)==0) return i;
return -1;
}
void indanhsach(nhanvien ds[],int n)
{
for (int i=1;i<=78;i++)
cout<<"_";
cout<<endl;
cout<<"| Ma NV |"<<" Ho Ten |"<<" Nam Sinh |"<<" Que Quan |"<<" Nam vao lam |\n";
for (i=1;i<=78;i++)
cout<<"_";
cout<<endl;
for (i=0;i<n;i++)
{
cout<<"|"<<setw(7)<<ds[i].manv<<"|"
<<setw(20)<<ds[i].hoten<<"|"
<<setw(13)<<ds[i].namsinh<<"|"
<<setw(17)<<ds[i].quequan<<"|"
<<setw(15)<<ds[i].namvaolam<<"|\n";
}
for (i=1;i<=78;i++)
cout<<"_";
cout<<endl;
}
void chuanhoaten(char hoten[])
{
while (hoten[0]==' ') for(int i=0;i<strlen(hoten);i++)
hoten[i]=hoten[i+1];
//
for(int i=0;i<strlen(hoten);i++)
while ((hoten[i]==' ')&&(hoten[i+1]==' '))
{
for(int j=i;j<strlen(hoten);j++)
hoten[j]=hoten[j+1];
}
while(hoten[(strlen(hoten))-1]==' ') hoten[(strlen(hoten))-1]='\0';
//
strupr(hoten);
strlwr(hoten+1);
for(int k=0;k<strlen(hoten);k++)
if (hoten[k]==' ')
{
strupr(hoten+k+1);
strlwr(hoten+k+2);
}
}
Trang Chính 
cái ông thầy chơi ác! cho đề khó mà không cho thi trên máy bắt viết code bằng tay! vậy là em làm sai tè le luôn(về test mới thấy) 
=> đã ra. Giờ mình post lên cho mấy u test giùm!
