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27 lines
772 B
27 lines
772 B
2 years ago
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void StatisticAnalysis(STU stu[], int n, int m)
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{
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int i, j, t[6];
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for (j=0; j<m; j++)
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{
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printf("For course %d:\n", j+1);
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memset(t, 0, sizeof(t));
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for (i=0; i<n; i++)
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{
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if (stu[i].score[j]>=0 && stu[i].score[j]<60)t[0]++;
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else if (stu[i].score[j]<70) t[1]++;
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else if (stu[i].score[j]<80) t[2]++;
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else if (stu[i].score[j]<90) t[3]++;
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else if (stu[i].score[j]<100) t[4]++;
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else if (stu[i].score[j] == 100) t[5]++;
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}
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for (i=0; i<=5; i++)
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{
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if (i==0) printf("<60\t%d\t%.2f%%\n",t[i],(float)t[i]/n*100);
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else if (i==5) printf("%d\t%d\t%.2f%%\n",
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(i+5)*10,t[i],(float)t[i]/n*100);
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else printf("%d-%d\t%d\t%.2f%%\n",
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(i+5)*10, (i+5)*10+9, t[i], (float)t[i]/n*100);
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}
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}
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}
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