[英]c++/error: no matching function for call to calcGrossWages()
/**************************************************************************************
* The program should display each employee number *
* ask the user to enter that employee’s hours and pay rate. *
* It should then calculate the gross wages for that employee(hours times pay rate) *
* store them in the wages array. *
* After the data has been entered for all the employees, *
* the program should display each employee’s identification number and gross wages. *
**************************************************************************************/
#include <cstdlib>
#include <iostream>
#include <iomanip>
using namespace std;
const int Num_Employees = 7; // global constant of # of employees
int empId[Num_Employees] = {5658846, 4520125, 785122, 877541, 8451277, 1302850, 7580489}; // array of Employee ID #'s
int hours[7]; // empty array of 7 possible values for employee hours
double payRate[7]; // empty array of 7 possible values for employee pay rates
double wages[7]; // empty array of 7 possible values for employees wages (hours * pay rate)
void calcGrossWages(int[], double[], double[]); // calculate gross wages prototype
int main() {
// Employees
for(int i= 0; i< Num_Employees; i++) {
cout << "Your ID is: " << "" << empId[i] << endl; // displays each employee #
cout << "How many hours did you work?";
cin >> hours[i];
cout << "What was your payRate?" << endl;
cout <<"$";
cin >> payRate[i];
}
/*Calculate the gross wages*/
for(int i = 0; i < Num_Employees; i++) {
wages[i] = calcGrossWages(hours[i], payRate[i], wages[i]);
}
}
//******************************************************************************
//* Definition of calcGrossWages function *
//* This function calculates the employees Wages *
//* Wages are calculated by the # of hours worked by each employee *
//* multiplied by their enter pay rate *
// *****************************************************************************
void calcGrossWages(int hours[], double payRate[], double wages[])
{
for (int i= 0; i< Num_Employees; i++) {
wages[i] = hours[i] * payRate[i];
}
}
Questions:问题:
How to pass a array as a parameter into a function properly, allowing one to be able to enter values in an empty array?如何将数组作为参数正确传递给函数,从而允许在空数组中输入值?
Why do I get an error saying no matching function for call 'calcGrossWages'为什么我收到一条错误消息,说没有调用“calcGrossWages”的匹配函数
array[i]
is one array element, not the entire array; array[i]
是一个数组元素,而不是整个数组; you're trying to pass int
s and double
s instead of arrays of them.你试图传递int
s 和double
s 而不是它们的数组。
Since the arrays' names are hours
, payRate
, and wages
, you call the function like this:由于数组的名称是hours
、 payRate
和wages
,因此您可以像这样调用函数:
/*Calculate the gross wages*/
calcGrossWages(hours, payRate, wages)
You don't need a loop since the function already handles the entire arrays, and the function doesn't return anything (the result is stored in wages
).您不需要循环,因为该函数已经处理了整个数组,并且该函数不返回任何内容(结果存储在wages
)。
(And as a side note, those variables should be local to main
, not global.) (作为旁注,这些变量应该是main
局部变量,而不是全局变量。)
You should pass arrays in calcGrossWages instead of just pass element of array and don't need loop in main for calling calcGrossWages您应该在calcGrossWages 中传递数组,而不仅仅是传递数组元素,并且不需要在 main 中循环来调用calcGrossWages
/******************************************************************************** ******
* The program should display each employee number *
* ask the user to enter that employee’s hours and pay rate. *
* It should then calculate the gross wages for that employee(hours times pay rate) *
* store them in the wages array. *
* After the data has been entered for all the employees, *
* the program should display each employee’s identification number and gross wages. *
******************************************************************************** ******/
#include <cstdlib>
#include <iostream>
#include <iomanip>
using namespace std;
const int Num_Employees = 7; // global constant of # of employees
int empId[Num_Employees] = {5658846, 4520125, 785122, 877541, 8451277, 1302850, 7580489}; // array of Employee ID #'s
int hours[7]; // empty array of 7 possible values for employee hours
double payRate[7]; // empty array of 7 possible values for employee pay rates
double wages[7]; // empty array of 7 possible values for employees wages ( hours * pay rate)
void calcGrossWages(int[], double[], double[]); // calculate gross wages prototype
int main() {
// Employees
for(int i= 0; i< Num_Employees; i++) {
cout << "Your ID is: " << "" << empId[i] << endl; // displays each employee #
cout << "How many hours did you work?";
cin >> hours[i];
cout << "What was your payRate?" << endl;
cout <<"$";
cin >> payRate[i];
}
/*Calculate the gross wages*/
calcGrossWages(hours, payRate, wages);
}
//******************************************************************************
//* Definition of calcGrossWages function *
//* This function calculates the employees Wages *
//* Wages are calculated by the # of hours worked by each employee *
//* multiplied by their enter pay rate *
// *****************************************************************************
void calcGrossWages(int hours[], double payRate[], double wages[])
{
for (int i= 0; i< Num_Employees; i++) {
wages[i] = hours[i] * payRate[i];
}
}
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