?? cinfish.cpp
字號:
// cinfish.cpp -- non-numeric input terminates loop
#include <iostream>
const int Max = 5;
int main()
{
using namespace std;
// get data
double fish[Max];
cout << "Please enter the weights of your fish.\n";
cout << "You may enter up to " << Max
<< " fish <q to terminate>.\n";
cout << "fish #1: ";
int i = 0;
while (i < Max && cin >> fish[i]) {
if (++i < Max)
cout << "fish #" << i+1 << ": ";
}
// calculate average
double total = 0.0;
for (int j = 0; j < i; j++)
total += fish[j];
// report results
if (i == 0)
cout << "No fish\n";
else
cout << total / i << " = average weight of "
<< i << " fish\n";
cout << "Done.\n";
return 0;
}
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