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#ifndef GOLF_H_ #define GOLF_H_ const int Len = 40; struct golf { char fullname[Len]; int handicap; }; void setgolf(golf &g, const char *name, int hc); int setgolf(golf &g); void handicap(golf &g, int hc); void showgolf(const golf &g); #endif
#include <iostream> #include <cstring> #include "golf.h" void setgolf(golf &g, const char *name, int hc) { strcpy_s(g.fullname, Len, name); g.handicap = hc; } int setgolf(golf &g) { char temp[Len]; std::cout << "请输入姓名: "; std::cin.getline(temp, Len); if (temp[0] == '\0') return 0; strcpy_s(g.fullname, Len, temp); std::cout << "请输入等级: "; std::cin >> g.handicap; std::cin.get(); return 1; } void handicap(golf &g, int hc) { g.handicap = hc; } void showgolf(const golf &g) { using namespace std; ios_base::fmtflags temp; temp = cout.setf(ios_base::fixed); cout.setf(ios_base::left); cout << "姓名: "; cout.width(20); cout << g.fullname; cout << " 等级: "; cout.width(2); cout << g.handicap << endl; cout.setf(temp); }
#include <iostream> #include "golf.h" int main() { using namespace std; golf list[10]; int count = 0; for (int i = 0; i < 10; i++) { cout << i + 1 << "#: \n"; if (!setgolf(list[i])) break; count++; } for (int i = 0; i < count; i++) { if (i == 0) cout << "*****列表*****\n"; showgolf(list[i]); } golf temp; cout << endl; setgolf(temp, "Ann Birdfree", 24); showgolf(temp); handicap(temp, 26); showgolf(temp); system("pause"); return 0; }
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#include <iostream> #include <string> void strcount(const std::string * str); int main() { using namespace std; string input; cout << "Enter a line:\n"; while (getline(cin, input) && input != "\0") { strcount(&input); cout << "Enter next line (empty line to quit):\n"; } cout << "Bye\n"; system("pause"); return 0; } void strcount(const std::string * str) { using namespace std; static int total = 0; int count = 0; cout << "\"" << str << "\" contains "; count = str->size(); total += count; cout << count << " characters\n"; cout << total << " characters total\n"; }
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#include <iostream> #include <new> #include <cstring> struct chaff { char dross[20]; int slag; }; void setchaff(chaff &p); int main() { using namespace std; double n[20]; chaff *p1 = new chaff[2]; chaff *p2 = new (n)chaff[2]; cout << &n << endl; cout << p1 << " " << p2 << endl; for (int i = 0; i < 2; i++) { setchaff(p1[i]); setchaff(p2[i]); cout << p1[i].dross << " " << p1[i].slag << endl; cout << p2[i].dross << " " << p2[i].slag << endl; } delete[]p1; system("pause"); return 0; } void setchaff(chaff &p) { strcpy_s(p.dross, 20, "ps5"); p.slag = 5; }
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#ifndef SALESS_H_ #define SALESS_H_ namespace SALES { const int QUARTERS = 4; struct Sales { double sales[QUARTERS]; double average; double max; double min; }; void setSales(Sales &s, const double ar[], int n); void setSales(Sales &s); void showSales(const Sales &s); } #endif
#include <iostream> #include "saless.h" namespace SALES { void setSales(Sales &s, const double ar[], int n) { double total = 0; s.max = 0; s.min = ar[0]; for (int i = 0; i < n; i++) { s.sales[i] = ar[i]; if (s.max < ar[i]) s.max = ar[i]; if (s.min > ar[i]) s.min = ar[i]; total += ar[i]; } s.average = total / n; } void setSales(Sales &s) { using namespace std; double total = 0; for (int i = 0; i < QUARTERS; i++) { cout << "#" << i + 1 << ": "; cin >> s.sales[i]; total += s.sales[i]; } s.average = total / QUARTERS; s.max = 0; s.min = s.sales[0]; for (int i = 0; i < QUARTERS; i++) { if (s.max < s.sales[i]) s.max = s.sales[i]; if (s.min < s.sales[i]) s.min = s.sales[i]; } } void showSales(const Sales &s) { using namespace std; for (int i = 0; i < QUARTERS; i++) { cout << "#" << i + 1 << ": "; cout << s.sales[i] << " "; } cout << endl; cout << "平均: " << s.average << endl; cout << "最大值: " << s.max << endl; cout << "最小值: " << s.min << endl; } }
#include <iostream> #include "saless.h" int main() { using namespace SALES; Sales p1; Sales p2; double num[QUARTERS] = { 87.5,68.4,74.2,59.8 }; std::cout << "********************\n"; setSales(p1); showSales(p1); std::cout << "********************\n"; setSales(p2, num, QUARTERS); showSales(p2); std::cout << "完成\n"; system("pause"); return 0; }
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