如何将二维数组类型字符(字符串）作为函数参数传递?
how to pass 2D array type char (string) as function parameter?
我无法编译程序。 我的函数参数有什么问题吗？ 是因为我的数组声明(字符类别[大小][15](吗？我已将其设为 2D 数组，因为列部分包含字母表的大小。你们能指出我的代码有什么问题以及如何将数组作为函数参数传递吗？对不起，我对这个话题是全新的。
#include<iostream>
#include<string.h>
using namespace std;
const int COLSIZE=3;
const int NAMESIZE=30;
void inputPersonalData(int, long[],int,char[],float[],float[]);
void calcBMI(int,float[],float[],float[]);
void bmiCategory(int,float[],char[]);
void displayPersonalData(int,long[],char[],float[],float[],float[],char[]);
void inputCal(int,char[],long[],float[][COLSIZE],char[]);
int main()
{
int SIZE;
long ID[SIZE];
char name[NAMESIZE];
float weight[SIZE];
float height[SIZE];
float BMI[SIZE];
char category[SIZE][15];
char meal[COLSIZE][10];
float calIntake[SIZE][COLSIZE];
cout<<"Enter the number of models: ";
cin>>SIZE;
inputPersonalData(SIZE,ID,NAMESIZE,name,weight,height);
calcBMI(SIZE,weight,height,BMI);
bmiCategory(SIZE,BMI,category);
displayPersonalData(SIZE,ID,name,weight,height,BMI,category);
strcpy(meal[0],"BREAKFAST");
strcpy(meal[1],"LUNCH");
strcpy(meal[2],"DINNER");
inputCal(SIZE,name,ID,calIntake,meal);
return 0;
}
void inputPersonalData(int rowSize, long id[],int nameSize, char nama[],float berat[],float tinggi[])
{
for(int i=0;i<rowSize;i++)
{
cout<<"nModel "<<i+1<<"'s informationnn";
cout<<"ID: ";
cin>>id[i];
cout<<"Name: ";
cin>>ws;
cin.getline(nama,nameSize);
cout<<"Weight in kg: ";
cin>>berat[i];
cout<<"Height in m: ";
cin>>tinggi[i];
cout<<endl<<"***************************************"<<endl;
}
}
void calcBMI(int rowSize,float berat[],float tinggi[],float bmi[])
{
for(int j=0;j<rowSize;j++)
{
bmi[j]=(berat[j]/tinggi[j])/tinggi[j];
}
}
void bmiCategory(int rowSize,float bmi[],char category[])
{
for(int k=0;k<rowSize;k++)
{
if(bmi[k]>25)
strcpy(category[k],"OVERWEIGHT");
else if(bmi[k]>18)
strcpy(category[k],"NORMAL");
else
strcpy(category[k],"UNDERWEIGHT");
}
}
void inputCal(int rowSize,char nama[],long id[],float calorie[][COLSIZE],char mealName[])
{
for(int row=0;row<rowSize;row++)
{
cout<<"Model "<<row+1<<" ("<<nama[row]<<", ID: )"<<id[row]<<" DAILY CALORIE INTAKE:n";
for(int col=0;col<COLSIZE;col++)
{
cout<<"Calorie intake for "<<mealName[col]<<": ";
calorie[row][col];
}
}
}
void displayPersonalData(int rowSize,long id[],char nama[],float berat[],float tinggi[],float bmi[],char category[])
{
cout<<"No.tIDtNametttWeight(kg)tHeight(m)tBMItCategoryn";
for(int m=0;m<rowSize;m++)
{
cout<<m+1<<"t"<<id[m]<<"t"<<nama[m]<<"t"<<berat[m]<<"t"<<tinggi[m]<<"t"<<bmi[m]<<"t"<<category[m]<<endl;
}
}
您没有以正确的方式将 2D 数组传递给函数。有关更多详细信息，请阅读本主题。顺便说一下，这是经过一些修改的代码：
#include<iostream>
#include<string.h>
using namespace std;
const int COLSIZE=3;
const int NAMESIZE=30;
void inputPersonalData(int, long[],int,char[],float[],float[]);
void calcBMI(int,float[],float[],float[]);
void bmiCategory(int,float[],char[][15]);
void displayPersonalData(int,long[],char[],float[],float[],float[],char[][15]);
void inputCal(int,char[],long[],float[][COLSIZE],char[][10]);
int main()
{
int SIZE;
long ID[SIZE];
char name[NAMESIZE];
float weight[SIZE];
float height[SIZE];
float BMI[SIZE];
char category[SIZE][15];
char meal[COLSIZE][10];
float calIntake[SIZE][COLSIZE];
cout<<"Enter the number of models: ";
cin>>SIZE;
inputPersonalData(SIZE,ID,NAMESIZE,name,weight,height);
calcBMI(SIZE,weight,height,BMI);
bmiCategory(SIZE,BMI,category);
displayPersonalData(SIZE,ID,name,weight,height,BMI,category);
strcpy(meal[0],"BREAKFAST");
strcpy(meal[1],"LUNCH");
strcpy(meal[2],"DINNER");
inputCal(SIZE,name,ID,calIntake,meal);
return 0;
}
void inputPersonalData(int rowSize, long id[],int nameSize, char nama[],float berat[],float tinggi[])
{
for(int i=0;i<rowSize;i++)
{
cout<<"nModel "<<i+1<<"'s informationnn";
cout<<"ID: ";
cin>>id[i];
cout<<"Name: ";
cin>>ws;
cin.getline(nama,nameSize);
cout<<"Weight in kg: ";
cin>>berat[i];
cout<<"Height in m: ";
cin>>tinggi[i];
cout<<endl<<"***************************************"<<endl;
}
}
void calcBMI(int rowSize,float berat[],float tinggi[],float bmi[])
{
for(int j=0;j<rowSize;j++)
{
bmi[j]=(berat[j]/tinggi[j])/tinggi[j];
}
}
void bmiCategory(int rowSize,float bmi[],char category[][15])
{
for(int k=0;k<rowSize;k++)
{
if(bmi[k]>25)
strcpy(category[k],"OVERWEIGHT");
else if(bmi[k]>18)
strcpy(category[k],"NORMAL");
else
strcpy(category[k],"UNDERWEIGHT");
}
}
void inputCal(int rowSize,char nama[],long id[],float calorie[][COLSIZE],char mealName[][10])
{
for(int row=0;row<rowSize;row++)
{
cout<<"Model "<<row+1<<" ("<<nama[row]<<", ID: )"<<id[row]<<" DAILY CALORIE INTAKE:n";
for(int col=0;col<COLSIZE;col++)
{
cout<<"Calorie intake for "<<mealName[col]<<": ";
calorie[row][col];
}
}
}
void displayPersonalData(int rowSize,long id[],char nama[],float berat[],float tinggi[],float bmi[],char category[][15])
{
cout<<"No.tIDtNametttWeight(kg)tHeight(m)tBMItCategoryn";
for(int m=0;m<rowSize;m++)
{
cout<<m+1<<"t"<<id[m]<<"t"<<nama[m]<<"t"<<berat[m]<<"t"<<tinggi[m]<<"t"<<bmi[m]<<"t"<<category[m]<<endl;
}
}
固定
#include<iostream>
#include<string.h>
#include<iomanip>
using namespace std;
const int COLSIZE=3;
const int SIZE=15;
const int NAMESIZE=30;
void inputPersonalData(int, long[],char[][NAMESIZE],float[],float[]);
void calcBMI(int,float[],float[],float[]);
void bmiCategory(int,float[],char[][15]);
void displayPersonalData(int,long[],char[][NAMESIZE],float[],float[],float[],char[][15]);
void inputCal(int,char[][NAMESIZE],long[],float[][COLSIZE],char[][10]);
void totalCal(int,float[][COLSIZE],float[]);
void idealCal(int rowSize,float bmi[],float idealCal[]);
void condition(int,float [],float [],long [],char[][NAMESIZE]);
void searchId(int,long[],char[][NAMESIZE],float[],float[],float[],char[][15]);
int main()
{
int numdata;
long ID[SIZE];
char name[SIZE][NAMESIZE];
float weight[SIZE];
float height[SIZE];
float BMI[SIZE];
char category[SIZE][15];
char meal[COLSIZE][10];
float calIntake[SIZE][COLSIZE];
float totalCalIntake[SIZE];
float idealCalIntake[SIZE];
cout<<"Enter the number of models: ";
cin>>numdata; //assume user input lower than size
inputPersonalData(numdata,ID,name,weight,height);
calcBMI(numdata,weight,height,BMI);
bmiCategory(numdata,BMI,category);
displayPersonalData(numdata,ID,name,weight,height,BMI,category);
strcpy(meal[0],"BREAKFAST");
strcpy(meal[1],"LUNCH");
strcpy(meal[2],"DINNER");
cout<<"nDAILY CALORIE INTAKE for:n";
inputCal(numdata,name,ID,calIntake,meal);
totalCal(numdata,calIntake,totalCalIntake);
idealCal(numdata,BMI,idealCalIntake);
condition(numdata,totalCalIntake,idealCalIntake,ID,name);
searchId(numdata,ID,name,weight,height,BMI,category);
return 0;
}
void inputPersonalData(int rowSize, long id[], char nama[][NAMESIZE],float berat[],float tinggi[])
{
for(int i=0;i<rowSize;i++)
{
cout<<"nModel "<<i+1<<"'s informationnn";
cout<<"ID: ";
cin>>id[i];
cout<<"Name: ";
cin>>ws;
cin.getline(nama[i],NAMESIZE);
cout<<"Weight in kg: ";
cin>>berat[i];
cout<<"Height in m: ";
cin>>tinggi[i];
cout<<endl<<"***************************************"<<endl;
}
}
void calcBMI(int rowSize,float berat[],float tinggi[],float bmi[])
{
for(int j=0;j<rowSize;j++)
{
bmi[j]=(berat[j]/tinggi[j])/tinggi[j];
}
}
void bmiCategory(int rowSize,float bmi[],char category[][15])
{
for(int k=0;k<rowSize;k++)
{
if(bmi[k]>25.0)
strcpy(category[k],"OVERWEIGHT");
else if(bmi[k]>18.0)
strcpy(category[k],"NORMAL");
else
strcpy(category[k],"UNDERWEIGHT");
}
}
void displayPersonalData(int rowSize,long id[],char nama[][NAMESIZE],float berat[],float tinggi[],float bmi[],char category[][15])
{
cout<<"n****************************************************************************************************************n";
cout<<"No.tIDtNametttWeight(kg)tHeight(m)tBMIttCategoryn";
for(int m=0;m<rowSize;m++)
{
cout<<m+1<<"t"<<id[m]<<"t"<<nama[m]<<"tt"<<berat[m]<<"tt"<<tinggi[m]<<"tt"<<bmi[m]<<"tt"<<category[m]<<endl;
}
}
void inputCal(int rowSize,char nama[][NAMESIZE],long id[],float calorie[][COLSIZE],char mealName[][10])
{
for(int row=0;row<rowSize;row++)
{
cout<<"nModel "<<row+1<<" ("<<nama[row]<<", ID: "<<id[row]<<") n";
for(int col=0;col<COLSIZE;col++)
{
cout<<"Calorie intake for "<<mealName[col]<<": ";
cin>>calorie[row][col];
}
}
}
void totalCal(int rowSize,float calorie[][COLSIZE],float totalCalorie[])
{
for(int p=0;p<rowSize;p++)
{
totalCalorie[p]=0;
for(int q=0;q<COLSIZE;q++)
{
totalCalorie[p]=totalCalorie[p]+calorie[p][q];
}
}
}
void idealCal(int rowSize,float bmi[],float idealCal[])
{
for(int n=0;n<rowSize;n++)
{
if(bmi[n]>25.0)
{
idealCal[n]=1500;
}
else if(bmi[n]>18.0)
{
idealCal[n]=2000;
}
else
{
idealCal[n]=2500;
}
}
}
void condition(int rowSize,float totalCalorie[],float idealCal[],long id[],char nama[][NAMESIZE])
{
float minuteXercise[rowSize];
for(int r=0;r<rowSize;r++)
{
if(totalCalorie[r]>idealCal[r])
{
minuteXercise[r]=(totalCalorie[r]-idealCal[r])/15.95;
cout<<fixed<<setprecision(2);
cout<<"nModel "<<r+1<<" Id: "<<id[r]<<" ("<<nama[r]<<") need to excercise for "<<minuteXercise[r]<<" minutes to burn excess calorie.n";
}
else if(totalCalorie[r]<idealCal[r])
{
cout<<"nModel "<<r+1<<" Id: "<<id[r]<<" ("<<nama[r]<<") need to add "<<idealCal[r]-totalCalorie[r]<<" more calories to gain more weight.n";
}
else
{
cout<<"nModel "<<r+1<<" Id: "<<id[r]<<" ("<<nama[r]<<")'s calorie intake are perfect.n";
}
}
}
void searchId(int rowSize,long id[],char nama[][NAMESIZE],float berat[],float tinggi[],float bmi[],char category[][15])
{
long searchModel;
bool foundId=false;
cout<<"nEnter ID to be search: ";
cin>>searchModel;
for(int s=0;s<rowSize;s++)
{
if(searchModel==id[s])
{
foundId=true;
cout<<"n****************************************************************************************************************n";
cout<<"No.tIDtNametttWeight(kg)tHeight(m)tBMIttCategoryn";
cout<<s+1<<"t"<<id[s]<<"t"<<nama[s]<<"tt"<<berat[s]<<"tt"<<tinggi[s]<<"tt"<<bmi[s]<<"tt"<<category[s]<<endl;
}
}
while(!foundId)
{
cout<<"nThe ID is not in our system!n";
cout<<"Enter ID to be search: ";
cin>>searchModel;
for(int s=0;s<rowSize;s++)
{
if(searchModel==id[s])
{
foundId=true;
cout<<"n****************************************************************************************************************n";
cout<<"No.tIDtNametttWeight(kg)tHeight(m)tBMIttCategoryn";
cout<<s+1<<"t"<<id[s]<<"t"<<nama[s]<<"tt"<<berat[s]<<"tt"<<tinggi[s]<<"tt"<<bmi[s]<<"tt"<<category[s]<<endl;
}
}
}
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