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#include <stdio.h> struct student{ int num; char name[40]; int computer, english, math; double average; }; int main(void){ int i, index, j ,n; struct student students[50], temp; PRintf("Input n:"); scanf("%d", &n); for (i = 0; i < n; i++) { printf("Input the info of No.%d:n", i+1); printf("number:"); scanf("%d", &students[i].num); printf("name:"); scanf("%s", students[i].name); printf("math score:"); scanf("%d", &students[i].math); printf("english score:"); scanf("%d", &students[i].english); printf("computer socre:"); scanf("%d", &students[i].COMputer); students[i].average = (students[i].math + students[i].english + students[i].computer) / 3.0; } for (i = 0; i<n-1; i++) { index = i; for (j = i+1; j<n; j++) { if (students[j].average > students[index].average) { index = j; } } temp=students[index]; students[index] = students[i]; students[i] = temp; } printf("numtnametaveragen"); for (i = 0; i < n; i++) { printf("%d t%s t %.2lfn",students[i].num, students[i].name, students[i].average); } return 0; }
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