#include <iostream> using namespace std; int main() { int num_1,num_2,sum=0; cout << "Please enter two number: "; cin >> num_1; cin >> num_2; if (num_1 > num_2) { int a; a = num_1; num_1 = num_2; num_2 = a; } for (int i = num_1; i <= num_2; i++) { sum += i; } cout << "The sum of num_1-num_2 is " << sum << endl; system("pause"); }
#include <iostream> #include <array> using namespace std; const int num=100; int main() { array<long double, num+1> jiecheng; jiecheng[1] = jiecheng[0] = 1; cout << 0 << "! = " << jiecheng[0] << endl; cout << 1 << "! = " << jiecheng[1] << endl; for (int i = 2; i <= num; ++i) { jiecheng[i] = i * jiecheng[i - 1]; cout << i << "! = " << jiecheng[i]<<endl; } system("pause"); }
#include <iostream> #include <array> using namespace std; int main() { int a,b=0; cout << "Please enter a number other than zero: "; do { cin >> a; if (a == 0) cout << "Stop summing! "; else { b = b + a; cout << "The sum of the numbers already entered is: " << b << endl; } } while (a != 0); system("pause"); }
#include <iostream> using namespace std; const float lixi1 = 0.1; const float lixi2 = 0.05; int main() { float Daphne_i = 100, Cleo_i = 100, Daphne = Daphne_i, Cleo = Cleo_i; int year = 0; while (Daphne >= Cleo) { Daphne = Daphne + Daphne_i * lixi1; Cleo = Cleo + Cleo * lixi2; year += 1; // cout << Daphne << "," << Cleo<<"--"<< year<<endl; } cout << "In " << year << "th years, Cleo's funds exceed Daphne. At this time, the funds of Cleo are " << Cleo << ", and the funds of Daphne are " << Daphne << ". "; system("pause"); }
#include <iostream> using namespace std; const int month = 12; int main() { int num[month]; int sum = 0; const char* months[month] = { "January","February","March","April","May","June","July","August","September","October","November","December" }; cout << "Please enter the monthly sales volume: "; for (int i = 0; i < month; ++i) { cout << months[i] << " : "; cin >> num[i]; sum += num[i]; } cout << "The total sales this year is " << sum << ". "; system("pause"); }
#include <iostream> using namespace std; const int year = 3; const int month = 12; int main() { int num[year][month]; int sum[4] = { 0,0,0,0 }; const char* months[month] = { "January","February","March","April","May","June","July","August","September","October","November","December" }; for (int j = 0; j < year; ++j) { cout << "Please enter the monthly sales volume of " << j + 1 << "th year: "; for (int i = 0; i < month; ++i) { cout << months[i] << " : "; cin >> num[j][i]; sum[j] += num[j][i]; } cout << "The total sales of " << j+1 << "th year is "<< sum[j] << ". "; sum[year] = sum[year] + sum[j]; } cout << "The total sales of " << year << " years are "<<sum[year] << ". "; system("pause"); }
#include <iostream> #include <string> using namespace std; struct car { string make; int year; }; int main() { int num; cout << "How many cars do you wish to catalog?"; cin >> num; car *all_car = new car[num]; for (int i = 0; i < num; ++i) { cout << "Car #" << i+1 << endl; cout << "Please enter the make : "; cin.ignore(); getline(cin, all_car[i].make); cout << "Please enter the year made : "; cin >> all_car[i].year; } cout << "Here is your collection: "; for (int i = 0; i < num; ++i) { cout << all_car[i].year << " " << all_car[i].make << endl; }
delete [] all_car; system("pause"); }
#include <iostream> #include <cstring> using namespace std; const int num_words = 10; int main() { char words[25]; int s = 0; bool flag = true; cout << "Enter words (to stop, tpye the word done) : "; for (int i = 0; i < num_words; ++i) { cin >> words; if (flag && !strcmp(words, "done")) flag = false; if (flag && strcmp(words, "done")) s += 1; } cout << "Your entered a total of " << s << " words. "; system("pause"); }
#include <iostream> #include <string> using namespace std; const int num_words = 10; int main() { const string sstop_word = "done"; string str; int s = 0; bool flag = true; cout << "Enter words (to stop, tpye the word done) : "; for (int i = 0; i < num_words; ++i) { cin >> str; if (flag && str== sstop_word) flag = false; if (flag && !(str == sstop_word)) s += 1; } cout << "Your entered a total of " << s << " words. "; system("pause"); }
#include <iostream> using namespace std; int main() { int num; cout << "Enter number of rows: "; cin >> num; for (int i = 0; i < num; ++i) { for (int j = 1; j < (num - i); ++j) cout << "."; for (int j = 0; j < i; ++j) cout << "*"; cout << endl; } system("pause"); }