59 lines
1.3 KiB
C++
59 lines
1.3 KiB
C++
// 编程实现Student类，在该类中设计静态数据成员segment1、segment2、segment3、segment4、segment5分别统计分数100-90、89-80,、79-70、69-60、59-0学生人数。设计静态成员函数display()显示各分数段人数。
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#include <bits/stdc++.h>
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using namespace std;
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class Student {
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private:
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static int segment1;
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static int segment2;
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static int segment3;
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static int segment4;
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static int segment5;
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public:
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Student(int score);
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static void display();
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};
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int Student::segment1 = 0;
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int Student::segment2 = 0;
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int Student::segment3 = 0;
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int Student::segment4 = 0;
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int Student::segment5 = 0;
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Student::Student(int score) {
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if (score >= 90 && score <= 100)
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segment1++;
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else if (score >= 80 && score < 90)
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segment2++;
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else if (score >= 70 && score < 80)
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segment3++;
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else if (score >= 60 && score < 70)
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segment4++;
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else if (score >= 0 && score < 60)
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segment5++;
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else
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cout << "Invalid score: " << score << endl;
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}
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void Student::display() {
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cout << "Segment1: " << segment1 << endl;
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cout << "Segment2: " << segment2 << endl;
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cout << "Segment3: " << segment3 << endl;
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cout << "Segment4: " << segment4 << endl;
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cout << "Segment5: " << segment5 << endl;
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}
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int main() {
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Student s0(115);
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Student s1(95);
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Student s2(85);
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Student s3(75);
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Student s4(65);
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Student s5(55);
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Student s6(45);
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Student::display();
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return 0;
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} |