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83 lines
2.1 KiB
83 lines
2.1 KiB
#include <stdio.h>
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#include <stdbool.h>
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struct student
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{
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int id;
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int class;
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float score_math;
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float score_phi;
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float score_eng;
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bool isinserted;
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};
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void sort(struct student a[],int count){
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struct student temp;
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for(int i = 0;i < count-1;i++){
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for(int j = i+1;j<count-1;j++){
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if(a[j].class > a[j+1].class){
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temp = a[j];
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a[j] = a[j+1];
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a[j+1] = temp;
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}
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}
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}
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for (int m = 0; m < count-1; m++) {
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for (int n = m + 1; n < count-1; n++) {
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if (a[n].class == a[n+1].class) {
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float sum1 = a[n].score_math + a[n].score_phi + a[n].score_eng;
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float sum2 = a[n+1].score_math + a[n+1].score_phi + a[n+1].score_eng;
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if (sum1 < sum2 || (sum1 == sum2 && a[m].id > a[n].id)) {
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struct student temp = a[n];
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a[n] = a[n+1];
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a[n+1] = temp;
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}
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}
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}
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}
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}
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void printgrade(struct student a[],int count){
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for(int i = 0;i<count;i++){
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printf("%d %d %.1f %.1f %.1f",a[i].id,a[i].class,a[i].score_math,a[i].score_phi,a[i].score_eng);
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if(a[i].isinserted){
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printf(" inserted\n");
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}
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else{
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printf("\n");
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}
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}
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}
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int main(){
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struct student grade[4];
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grade[0].id = 10001;
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grade[0].class = 11;
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grade[0].score_math = 99.5;
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grade[0].score_phi = 88.5;
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grade[0].score_eng = 89.5;
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grade[0].isinserted = false;
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grade[1].id = 10002;
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grade[1].class = 12;
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grade[1].score_math = 77.9;
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grade[1].score_phi = 56.5;
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grade[1].score_eng = 87.5;
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grade[1].isinserted = false;
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grade[2].id = 10003;
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grade[2].class = 11;
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grade[2].score_math = 92.5;
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grade[2].score_phi = 99.0;
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grade[2].score_eng = 60.5;
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grade[2].isinserted = false;
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scanf("%d %d %f %f %f",&grade[3].id,&grade[3].class,&grade[3].score_math,&grade[3].score_phi,&grade[3].score_eng);
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grade[3].isinserted = true;
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int count = 4;
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sort(grade,count);
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printgrade(grade,count);
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return 0;
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} |