冒泡錯誤LNK2019

Question

這是我的cpp的代碼，並獲得

錯誤LNK2019錯誤林：解析外部符號 「無效__cdecl選擇排序爲（int * const的，詮釋&，詮釋&）」（選擇排序@@ YAXQAHAAH1 @Z）函數引用_main

#include <iostream> 
using namespace std; 

void bubbleSort(int[], int&, int&); 
void inserionSort (int [], int&, int&); 
void generateRandomArray (int [], int [], int []); 
void selectionSort (int[], int&, int&); 

const int length=5000; 



    int main() 
    { 
     int compBubbleSort =0; 
     int assignBubbleSort=0; 
     int list1[length], list2 [length], list3[length]; 
    generateRandomArray(list1, list2, list3); 

    cout<<"****************Bubble sort*****************"<<endl; 

    bubbleSort(list1, compBubbleSort, assignBubbleSort); 

    cout<<endl; 
    cout<<"Number of compBubbleSort are :"<< compBubbleSort<<endl; 
    cout<<"Number of Assignments are :"<< assignBubbleSort<<endl; 
    cout<<endl; 
    compBubbleSort = 0; 
    assignBubbleSort = 0; 
    cout<<"**********Selection sort***************"<<endl; 
    cout<<endl; 

    selectionSort (list2, compBubbleSort, assignBubbleSort); 

    cout<<"Number of compBubbleSort are:"<< compBubbleSort <<endl; 
    cout<<"Number of Assignments are :"<< assignBubbleSort<<endl; 
    cout<<endl; 
    compBubbleSort=0; 
    assignBubbleSort=0; 
    cout<<"****************Insertion sort*******************"<<endl; 
    cout<<endl; 

    inserionSort (list2, compBubbleSort, assignBubbleSort); 
    cout<<"Number of compBubbleSort are:"<< compBubbleSort <<endl; 
    cout<<"Number of Assignments are :"<< assignBubbleSort<<endl; 

    system ("pause"); 
    return 0; 
} 

void generateRandomArray(int list1[], int list2 [], int list3[]) 
{ 
    srand(time_t(0)); 

    for(int i=0; i<length; i++) 
     list1 [i]= list2[i]= list3[i]=rand()%20000; 

} 

void bubbleSort (int num[], int &compBubbleSort, int &assignBubbleSort) 
{ 
    for(int iter=1; iter<length; iter++) 
    { 
     for(int index=1; index<length; index++) 
     { 
      compBubbleSort++; 
      if(num [index]>num[index+1]) 
      { 
       int temp= num[index]; 
       num[index] = num[index+1]; 
       num[index+1]=temp; 
       assignBubbleSort++; 
      } 
     } 
    } 
} 

void seletionSort(int num[], int &compBubbleSort, int &assignBubbleSort) 
{ 
    int index; 
    int smallestIndex; 
    int location; 
    int temp; 

    for (index=0; index<length-1; index++) 
    { 
     smallestIndex=index; 

     for(location=index+1;location<length;location++) 
     { 
      compBubbleSort++; 
      if(num[location]<num[smallestIndex]) 
      { 
       smallestIndex=location; 
      } 
     } 
     temp= num[smallestIndex]; 

     num[smallestIndex] =num[index]; 
     assignBubbleSort= assignBubbleSort+3; 
     num[index] = temp; 
    } 
} 

void inserionSort (int num[], int &compBubbleSort, int&assignments) 
{ 
    int firstOutOfOrder,location; 
    int temp; 

    for (firstOutOfOrder=1; firstOutOfOrder<length;firstOutOfOrder++) 
    { 
     if(num[firstOutOfOrder]<num[firstOutOfOrder-1]) 
     { 
     compBubbleSort++; 
     temp= num[firstOutOfOrder]; 
     location=firstOutOfOrder; 
     assignments=assignments+2; 

      do 
      { 
       num[location]=num[location-1]; 
       assignments++; 
       location--; 
       compBubbleSort++; 
      } 
      while(location>0 &&num[location-1]>temp); 
      num[location]=temp; 
      assignments++; 

     } 
    } 
} 

一些人能夠解釋的錯誤2019，因爲我的大部分節目有它。

Answer 1

函數定義中存在拼寫錯誤。

變化：

void seletionSort(int num[], int &compBubbleSort, int &assignBubbleSort) 

到：

void selectionSort(int num[], int &compBubbleSort, int &assignBubbleSort) 
//  ^

這就是爲什麼你的鏈接器找不到selectionSort。