23 lines
411 B
C++
23 lines
411 B
C++
#include <iostream>
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using namespace std;
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// 引用传递: 会改变实参的值
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// 值传递: 不会改变实参的值
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void cumsum(int &total, int n) // total 是引用传递，n 是值传递
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{
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total += n;
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}
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int main()
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{
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int total = 0;
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int n = 0;
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while (cin >> n)
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{
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cumsum(total, n);
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cout << "total = " << total << endl;
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if (total > 100)
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break;
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}
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} |