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- #include<iostream>
- using namespace std;
- int main()
- {
- long int m, n, a, b, c, d, e;
- cout << "请输入利润:";
- cin >> m;
- if (m < 100000)
- {
- n = m * 0.1;
- cout << endl;
- cout << "奖金为:" << n;
- }
- if (100000 < m <= 200000)
- {
- a = (m - 100000);
- n = 100000 * 0.1 + a * 0.075;
- cout << endl;
- cout << "奖金为:" << n;
- }
- if (200000 < m <= 400000)
- {
- b = (m - 200000);
- n = 100000 * (0.1+0.075) + b * 0.05;
- cout << endl;
- cout << "奖金为:" << n;
- }
- if (400000 < m <= 600000)
- {
- c = (m - 400000);
- n = 100000 * (0.1 + 0.075) + 200000 * 0.05 + c * 0.03;
- cout << endl;
- cout << "奖金为:" << n;
- }
- if (600000 < m <= 1000000)
- {
- d = (m - 600000);
- n = 100000 * (0.1 + 0.075) + 200000 * (0.05 + 0.03) + d * 0.015;
- cout << endl;
- cout << "奖金为:" << n;
- }
- if (m>1000000)
- {
- e = (m - 1000000);
- n = 100000 * (0.1 + 0.075) + 200000 * (0.05 + 0.03) + 400000 * 0.015 + e * 0.01;
- cout << endl;
- cout << "奖金为:" << n;
- }
- return 0;
- }
复制代码
当我输入1220000时,运行结果如下
为什么会出现了多个“奖金为”啊
希望大神能给指点一下
本帖最后由 jackz007 于 2020-6-18 14:32 编辑
- #include<iostream>
- using namespace std ;
- int main()
- {
- long m , n ;
- cout << "请输入利润:" ;
- cin >> m ;
- if (m <= 100000) n = m * 0.1 ;
- else if (m > 100000 && m <= 200000) n = 100000 * 0.1 + (m - 100000) * 0.075 ;
- else if (m > 200000 && m <= 400000) n = 100000 * (0.1 + 0.075) + (m - 200000) * 0.05 ;
- else if (m > 400000 && m <= 600000) n = 100000 * (0.1 + 0.075) + 200000 * 0.05 + (m - 400000) * 0.03 ;
- else if (m > 600000 && m <= 1000000) n = 100000 * (0.1 + 0.075) + 200000 * (0.05 + 0.03) + (m - 600000) * 0.015 ;
- else n = 100000 * (0.1 + 0.075) + 200000 * (0.05 + 0.03) + 400000 * 0.015 + (m - 1000000) * 0.01 ;
- cout << endl ;
- cout << "奖金为:" << n << endl ;
- }
复制代码
编译、运行实况:
- D:\bin>g++ -o e e.c
- D:\bin>e
- 请输入利润:1220000
- 奖金为:93999
- D:\bin>
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关键错误是:
- if (100000 < m <= 200000)
复制代码
必须写成这样
- if (m > 100000 && m <= 200000)
复制代码
由于你的条件判断表达错误,导致每个条件判断都成立,所以,都被执行了一遍。
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