nbdeyipi/step_4_insert.c

#include <stdio.h>
#include <stdbool.h>

struct student
{
    int id;
    int class;
    float score_math;
    float score_phi;
    float score_eng;
    bool isinserted;
};


 void sort(struct student a[],int count){
    struct student temp;
    for(int i = 0;i < count-1;i++){
        for(int j = i+1;j<count-1;j++){
            if(a[j].class > a[j+1].class){
                temp = a[j];
                a[j] = a[j+1];
                a[j+1] = temp;
            }
        }
    }
    for (int m = 0; m < count-1; m++) {
    for (int n = m + 1; n < count-1; n++) {
        if (a[n].class == a[n+1].class) {
            float sum1 = a[n].score_math + a[n].score_phi + a[n].score_eng;
            float sum2 = a[n+1].score_math + a[n+1].score_phi + a[n+1].score_eng;
            if (sum1 < sum2 || (sum1 == sum2 && a[m].id > a[n].id)) {
                struct student temp = a[n];
                a[n] = a[n+1];
                a[n+1] = temp;
            }
        }
    }
}
}
void printgrade(struct student a[],int count){
    for(int i = 0;i<count;i++){
        printf("%d  %d  %.1f  %.1f  %.1f",a[i].id,a[i].class,a[i].score_math,a[i].score_phi,a[i].score_eng);
        if(a[i].isinserted){
            printf(" inserted\n");
        }
        else{
            printf("\n");
        }
    }
}


int main(){
    struct student grade[4];
    grade[0].id = 10001;
grade[0].class = 11;
grade[0].score_math = 99.5;
grade[0].score_phi = 88.5;
grade[0].score_eng = 89.5;
grade[0].isinserted = false;

grade[1].id = 10002;
grade[1].class = 12;
grade[1].score_math = 77.9;
grade[1].score_phi = 56.5;
grade[1].score_eng = 87.5;
grade[1].isinserted = false;

grade[2].id = 10003;
grade[2].class = 11;
grade[2].score_math = 92.5;
grade[2].score_phi = 99.0;
grade[2].score_eng = 60.5;
grade[2].isinserted = false;
    scanf("%d %d %f %f %f",&grade[3].id,&grade[3].class,&grade[3].score_math,&grade[3].score_phi,&grade[3].score_eng);
    grade[3].isinserted = true;
    int count = 4;
    sort(grade,count);
    printgrade(grade,count);
    return 0;


}