48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
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// 编写程序，随机生成10位学生3门课程成绩，汇总每位学生的总成绩和每门课程的平均成绩。 【提示】随机生成成绩的范围[0, 100]
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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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int main()
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{
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float stuScores[10][3]; // 学生成绩数组
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float sumScores[10]; // 每位学生总成绩
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float avgScores[3]; // 每门课程平均成绩
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printf("生成随机成绩");
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srand(time(NULL)); // 随机种子
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for (int i = 0; i < 10; i++)
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{
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for (int j = 0; j < 3; j++)
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{
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float tempRandScore = rand() % 101;
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stuScores[i][j] = tempRandScore;
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}
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}
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printf("\n");
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printf("每位学生的总成绩为: ");
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for (int i = 0; i < 10; i++)
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{
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for (int j = 0; j < 3; j++)
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{
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sumScores[i] += stuScores[i][j];
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}
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printf("%.1f ", sumScores[i]);
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}
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printf("\n");
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printf("每门课程的平均成绩为: ");
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for (int i = 0; i < 3; i++)
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{
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for (int j = 0; j < 10; j++)
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{
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avgScores[i] += stuScores[j][i] / 10.0;
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}
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printf("%.1f ", avgScores[i]);
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}
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printf("\n");
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return 0;
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}
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