PAT A1036 Boys vs Girls(25)

AC代码

#include <cstdio>
#include <algorithm>

using namespace std;

const int max_n = 11000;

struct Stu {
    char name[20];
    char gender;
    char id[20];
    char grade;
} boys_l, girls_h, temp;

void init() {   //初始化，男生女生的成绩
    //不能设置为100和0， 考虑边界值
    boys_l.grade = 101;
    girls_h.grade = -1;
}

int main() {
    init();
    #ifdef ONLINE_JUDGE
    #else
        freopen("1.txt", "r", stdin);
    #endif // ONLINE_JUDGE}
    int n, girls_num = 0, boys_num = 0;
    scanf("%d", &n);
    for(int i = 0; i < n; i++) {
        scanf("%s %c %s %d", temp.name, &temp.gender, temp.id, &temp.grade);
        //printf("%s %c %s %d\n", temp.name, temp.gender, temp.id, temp.grade);
        if(temp.gender == 'F') {    //找出女生中成绩最高的且计算人数
            girls_num++;
            if(temp.grade > girls_h.grade) girls_h = temp;
        }
        if(temp.gender == 'M') {
            boys_num++;
            if(temp.grade < boys_l.grade) boys_l = temp;
        }
    }
/*    printf("%s %s %d\n", girls_h.name, girls_h.id, girls_h.grade);
    printf("%s %s %d\n", boys_l.name, boys_l.id, boys_l.grade);
    printf("%d", girls_h.grade - boys_l.grade);
*/
    if(boys_num&&girls_num) {
        printf("%s %s\n", girls_h.name, girls_h.id);
        printf("%s %s\n", boys_l.name, boys_l.id);
        printf("%d", girls_h.grade - boys_l.grade);
    } else if(boys_num == 0  && girls_num != 0) {
        printf("%s %s\n", girls_h.name, girls_h.id);
        printf("Absent\n");
        printf("NA");
    } else if(girls_num == 0 && boys_num != 0) {
        printf("Absent\n");
        printf("%s %s\n", boys_l.name, boys_l.id);
        printf("NA");
    } else {
        printf("Absent\n");
        printf("Absent\n");
        printf("NA");
    }
    return 0;
}