C + + Primer post-lesson programming problem

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1. Code

#include <iostream>int main () {  using namespace std;  int num1;  int num2;  int total=0;  cout << "Please enter the start number \ n";  Cin >> NUM1;  cout << "Please enter the end number \ n";  Cin >> num2;  for (NUM1; num1<=num2; num1++) Total    = Num1 + total;  cout << num1 << "and" << num2 << "integer and as" << total <<endl;  return 0;}

Execution results

2. Code

#include <iostream>int main () {  using namespace std;  Double total = 0.0;  double in;  cout << "Please enter Number:";  Cin >> in;  while (in = 0)  {Total    + = in;    cout << "Total number of inputs:" << full << "\ n";    cout << "Please enter the next number:";    Cin >> in;  }  cout << "Execution End";  return 0;}

Execution results

3. Code

#include <iostream>int main () {  using namespace std;  Double daphne=100;  Double cleo=100;  int year=1;  while (Daphne >= Cleo)  {    Daphne + = 100*0.1;    Cleo + = cleo*0.05;    cout << "<< year <<", Daphne investment value "<< Daphne <<" Cleo Investment Value "<< Cleo <<endl ;    year++;  }  cout << "<< year <<", when Cleo exceeds Daphne investment value "<< Endl;  return 0;}

Execution results

4. Code

#include <iostream>const char *months[12] = {"January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"}; int main () {    using namespace std;    int sales[12];    int total;    for (int i=1; i<=12; i++)    {        cout << Please enter << months[i-1] << "Sales quantity:";        CIN >> sales[i-1];    }    for (int j=0; j<12; j + +)    {Total        = total+sales[j];    }    cout << "Total sales:" << totals <<endl;    return 0;}

Execution results

5. Code

#include <iostream>const char *months[12] = {"January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"}; int main () {    using namespace std;    int sales[3][12];    int total[3] = {0};   Be sure to initialize. Otherwise the initial value is not 0    int sum;    for (int a=1;a<=3;a++)    {for            (int i=1; i<=12; i++)            {                cout << "Please enter" << a << "year" < ;< months[i-1] << "Sales quantity:";                CIN >> sales[a-1][i-1];            }    }    for (int b=0, b<3; b++)    {for            (int j=0; j<12; j + +)            {                total[b] = total[b]+sales[b][j];            }            sum = sum + total[b];            cout << "<< b+1 <<" annual total sales of << total[b] <<endl;    }    cout << "Total sales:" << sum <<endl;    return 0;}

Execution results

6. Code

<pre name= "code" class= "CPP" >//be sure to add while (Cin.get ()! = ' \ n '); #include <iostream>using namespace Std;const int LEN = 60;struct car{  char Brand[len];  int year;}; int main () {  int num;  cout << "How many cars does you wish to catalog?";  CIN >> num;  while (Cin.get ()! = ' \ n ');  Car *ps = new Car[num];  for (int i=0;i<num;i++)  {    cout << "Car #" << (i+1) << ": \ n";    cout << "Please enter the Make:";    Cin.getline (Ps[i].brand, LEN);    cout << "Please enter the year made:";    Cin >> Ps[i].year;    while (Cin.get ()! = ' \ n ');  }  cout << "Here is your collection:\n";  for (int i=0; i<num; i++)  {    cout << ps[i].year << "" << Ps[i].brand <<endl;  }  Delete [] PS;  return 0;}

Execution results

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7. Code

#include <iostream> #include <cstring>const int str_len=60;int main () {  using namespace std;  Char Words[str_len];  int count=0;  cout << "Enter words (to stop,type, Word done): \ n";  while (Cin >> words && strcmp ("Done", words))    ++count;  cout << "entered a total of" << count << "words. \ n" <<endl;  return 0;}

Execution results

8. Code

#include <iostream> #include <string>int main () {  using namespace std;  string words;  int count=0;  cout << "Enter words {to stop,type the word done}:\n";  while (Cin >> words && words! = "Done")    ++count;  cout << "entered a total of" << count << "words. \ n";  return 0;}

Execution results

9. Code

#include <iostream>int main () {  using namespace std;  int row;  cout << "Enter number of row:";  Cin >> Row;  for (int i=0, i<row; i++)  {for    (int j=row-i; j>1; j--)    {      cout << ".";    }    for (int k=0; k<=i; k++)    {      cout << "*";    }    cout << "\ n";  }  return 0;}

Execution results

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C + + Primer post-lesson programming problem