[C language Ta] 35 students, each of which has four courses, are randomly generated, calculate the average score, and rank by average score

//************************************** * ******** // 10th questions/35 students, each student has four courses, which are randomly generated and the average score is calculated, rank by average score //********************************* * ************** # include <stdio. h> # include <stdlib. h> # include <time. h ># define num 10 void main () {int stuscore [num] [4]; double averagescore [num]; int sum; srand (unsigned) Time (null )); // randomly generate 35 students with four scores per person and calculate the average score for (INT I = 0; I <num; I ++) {sum = 0; for (Int J = 0; j <4; j ++) {stuscore [I] [J] = ran D () % 100 + 1; sum + = stuscore [I] [J];} averagescore [I] = sum/4.0 ;} // print the single score and average score printf ("single score (4) average score \ n"); For (int A = 0; A <num; A ++) {for (INT B = 0; B <4; B ++) {printf ("%-3D", stuscore [a] [B]);} printf ("% 8.1f", averagescore [a]); printf ("\ n");} // double temp; int maxvalue; for (Int J = 0; j <NUM-1; j ++) {maxvalue = J; For (int K = J + 1; k <num; k ++) {If (averagescore [k]> averagescore [maxvalue]) {maxvalue = K ;}} if (maxvalue! = J) {temp = averagescore [J]; averagescore [J] = averagescore [maxvalue]; averagescore [maxvalue] = temp ;}// print the score, average score, and ranking printf ("ranking: \ n"); For (int w = 0; W <num; W ++) {printf ("the average score of the % d name is: % 5.2f \ n ", W + 1, averagescore [w]);}

Average score of one unit (4)
3 52 84 1 35.0
17 41 50 90 49.5
42 40 1002 46.0
94 52 36 74 64.0
56 68 45 7 44.0
71 10 73 76 57.5
65 83 10047 73.8
13 1 28 32 18.5
61 27 80 71 59.8
85 7 96 81 67.3
Ranking:
Average score of 1st: 73.75
Average score of 2nd: 67.25
Average score of 3rd: 64.00
Average score of 4th: 59.75
Average score of 5th: 57.50
Average score of 6th: 49.50
Average score of 7th: 46.00
Average score of 8th: 44.00
Average score of 9th: 35.00
Average score of 10th: 18.50
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