22计科1-23.zip

#include <stdio.h> #include <stdlib.h> #include <Windows.h> //extern int sex; //全局变量的声明 int sex = 0;//全局变量 // 体重指数 int countBMI(int sex) { float weight, height;//局部变量 printf("请依次输入体重（kg) 身高（m):"); scanf("%f,%f", &weight, &height); float BMI = weight / (height*height); int sco = 0; switch (sex) { case 0: // 男生 if (BMI > 17.9 &&BMI< 23.9) sco = 100; else if (BMI <= 17.8 || (BMI>24.0&&BMI < 27.9)) sco = 80; else sco = 60; break; case 1: // 女生 if (BMI>17.2 &&BMI< 23.9) sco = 100; else if (BMI <= 17.1 || (BMI>24.0&&BMI < 27.9)) sco = 80; else sco = 60; break; default: sco = 0; } printf("体重指数为：%.2f，成绩为：%d\n", BMI, sco); return sco; } // 肺活量 int countFVC(int sex) { int FVC, sco; printf("请输入肺活量（ml)："); scanf("%d", &FVC); switch (sex) { case 0: if (FVC > 4800) sco = 100; else if (FVC > 4180 ) sco = 80; else if (FVC > 3100 ) sco = 60; else sco = 30; break; case 1: if (FVC > 3400) sco = 100; else if (FVC > 3000 ) sco = 80; else if (FVC > 2050 ) sco = 60; else sco = 30; break; default: break; } return sco; } //引体向上 int countChinups() { if (sex == 1) { printf("引体向上为男生特有项目！\n"); Sleep(2000); menu(); // exit(0); } int UPs = 0, sco = 0; printf("引体向上计数为："); scanf("%d", &UPs); if (UPs > 19) sco = 100; else if (UPs > 15 ) sco = 80; else if (UPs > 10 ) sco = 60; else sco = 30; return sco; } //仰卧起坐 int countSitup() { if (sex == 0) { printf("仰卧起坐为女生特有项目！\n"); Sleep(2000); menu(); // exit(0); } int UPs = 0, sco = 0; printf("仰卧起坐计数为："); scanf("%d", &UPs); if (UPs > 56) sco = 100; else if (UPs > 52) sco = 80; else if (UPs > 26 ) sco = 60; else sco = 30; return sco; } //总成绩 void getNum() { int BMI, FVC, Cups, Sups; double num; //获取每一项成绩 BMI = countBMI(sex); FVC = countFVC(sex); //计算成绩 if (sex == 0) { // 若是男生则获取引体向上个数 Cups = countChinups(); num = BMI*0.25 + FVC*0.35 + Cups*0.4; } else { // 若是女生则获取仰卧起坐个数 Sups = countSitup(); num = BMI*0.25 + FVC*0.35 + Sups*0.4; } //判断成绩优劣 if (num > 95) printf("综合成绩为%.2f,优秀\n", num); else if (num > 80 ) printf("综合成绩为%.2f，良好\n", num); else if (num > 60 ) printf("综合成绩为%.2f,及格\n", num); else printf("综合成绩为%.2f，不及格\n", num); } // 菜单 int menu() { int sec; printf("功能菜单\n"); printf("=============\n"); printf("1.体重指数BMI\n"); printf("2.肺活量FVC\n"); printf("3.引体向上\n"); printf("4.仰卧起坐\n"); printf("5.总成绩\n"); printf("0.退出\n"); printf("=============\n"); printf("请输入性别(男:0/女:1）："); scanf("%d", &sex); while (sex != 0 && sex != 1) { printf("选择有误！\n请重新输入："); scanf("%d", &sex); } printf("请输入要选择的功能："); scanf("%d", &sec); while (sec > 5 || sec < 0) { printf("选择有误！\n请重新输入："); scanf("%d", &sec); } return sec; } int main() { while(1) { int sec = menu(); switch (sec) { case 1: countBMI(sex); break; case 2: countFVC(sex); break; case 3: countChinups(); break; case 4: countSitup(); break; case 5: getNum(); break; // default: // printf("请输入1~5正确的选项，0 退出\n"); // break; case 0: printf("谢谢使用此系统，退出系统"); exit(0); } } return 0; }