2-22.c

c实现的常用几个算法

 #include <stdio.h> 
 main() 
 { 
          struct{                  /*定义一个结构变量*/ 
               char name[8]; 
               int age; 
               char sex[2]; 
               char depart[20]; 
               float wage1, wage2, wage3, wage4, wage5; 
          }a; 
          FILE *fp; 
          float wage; 
          char c='Y'; 
          fp=fopen("wage.dat", "w");    /*创建一个文件只写*/ 
          while(c=='Y'||c=='y')         /*判断是否继续循环*/ 
          { 
               printf("\nName:"); 
               scanf("%s", a.name);     /*输入姓名*/ 
               printf("Age:"); 
               scanf("%d", a.age);    /*输入年龄*/ 
               printf("Sex:"); 
               scanf("%d", a.sex); 
               printf("Dept:"); 
               scanf("%s", a.depart); 
               printf("Wage1:"); 
               scanf("%f", &a.wage1);   /*输入工资*/ 
               printf("Wage2:"); 
               scanf("%f", &a.wage2); 
               printf("Wage3:"); 
               scanf("%f", &a.wage3); 
               printf("Wage4:"); 
               scanf("%f", &a.wage4); 
               printf("Wage5:"); 
               scanf("%f", &a.wage5); 
               wage=a.wage1+a.wage2+a.wage3+a.wage4+a.wage5; 
               printf("The sum of wage is %6.2f\n", wage);/*显示结果*/ 
               fprintf(fp, "%10s%4d%4s%30s%10.2f\n",  /*结果写入文件*/ 
                            a.name, a.age, a.sex, a.depart, wage); 
               while(1) 
               { 
                    printf("Continue?<Y/N>"); 
                    c=getche(); 
                    if(c=='Y'||c=='y'||c=='N'||c=='n') 
                         break; 
               } 
          } 
          fclose(fp); 
}