a1036题解

#include<cstring>
struct  {
 char name[20];
  char gender[20];
    char ID[20];
    int grade;
} male, female, temp;

bool great(Student stu1, Student stu2) {   
 if(stu1.grade != stu2.grade) {
      return stu1.grade > stu2.grade;
  }
}

int main() {
  
 int N;
  scanf("%d", &N);
   int count_M = 0;
    int count_F = 0;
    strcpy(male.name, "abc"); 
 strcpy(male.gender, "M"); 
 strcpy(male.ID, "cs101");
  male.grade = 100;
    strcpy(female.name, "abc");
    strcpy(female.gender, "F"); 
   strcpy(female.ID, "CS101");
    female.grade = 0;
    for(int i = 0; i < N; i++) {
        //先读入数据
     scanf("%s %s %s %d", &temp.name, &temp.gender, &temp.ID, &temp.grade);
     if(strcmp(temp.gender, "M") == 0) {
           if(great(temp, male) == false) {
               male = temp;
             //printf("%s %s %s %dnn", male.name, male.gender, male.ID, male.grade);
         } 
           count_M++;
           
     }
        if(strcmp(temp.gender, "F") == 0) {
           if(great(temp, female) == true) {
              female = temp;
               //printf("%s %s %s %dnn", female.name, female.gender, female.ID, female.grade);
         }
            count_F++;
       }
    }
    //printf("%s %s %s %dn", male.name, male.gender, male.ID, male.grade);
  //printf("%s %s %s %dn", female.name, female.gender, female.ID, female.grade);
  //printf("%d %dn", count_M, count_F);
   if(count_M == 0 || count_F == 0) {
      if(count_F == 0 && count_M == 0) {
          printf("Absentn");
         printf("Absentn");
         printf("NAn");
     }
        if(count_F == 0 && count_M != 0) {
          printf("Absentn");
         printf("%s %sn", male.name, male.ID);
          printf("NA");
      }
        if(count_F != 0 && count_M == 0) {
          printf("%s %sn", female.name, female.ID);
          printf("Absentn");
         printf("NA");
      }
    }
    else {
      int dif = female.grade - male.grade;
        printf("%s %sn", female.name, female.ID); 
     printf("%s %sn", male.name, male.ID);
      printf("%d", dif);
 }
    return 0;
}