#include <stdio.h>
#include <stdlib.h>
void printingArr(int** arr, int rows);
void sortingEachOneOfThem(int** pArr, int rows);
void sortingTheWholeArray(int** pArr, int rows);
void bubbleSort(int* arr);
void freeArray(int **a, int m);
int main(void)
{
int** pArr = 0;
int numOfRows = 0;
int sizes = 0;
printf("Enter number of rows: ");
scanf("%d", &numOfRows);
pArr = (int**) malloc(sizeof(int*) * numOfRows);
if (pArr == NULL)
{
printf("Unsuccessful malloc!\n");
return 1;
}
for (int i = 0; i < numOfRows; i++)
{
printf("Enter array length for row %d: ",i);
scanf("%d", &sizes);
pArr[i] = (int*) malloc(sizeof(int) * sizes + 1);
if (pArr[i] == NULL)
{
printf("Unsuccessful malloc!\n");
return 1;
}
pArr[i][0] = sizes;
for (int k = 1; k < sizes + 1; k++)
{
printf("Enter value for array: ");
scanf("%d", &pArr[i][k]);
}
}
printingArr(pArr, numOfRows);
sortingEachOneOfThem(pArr, numOfRows);
printingArr(pArr, numOfRows);
sortingTheWholeArray(pArr, numOfRows);
printingArr(pArr, numOfRows);
for (int i = 0; i < numOfRows; i++)
{
if (pArr[i] != NULL)
{
free(*(pArr + i));
}
}
//free(pArr);
system("pause");
return 0;
}
/*
this amazing, wonderfull piece of program prints the array given
input: int** arr, int rows
output: none
*/
void printingArr(int** arr, int rows)
{
int i = 0;
int k = 0;
for (i = 0; i < rows; i++)
{
for (k = 0; k <= arr[i][0]; k++)
{
printf("%d ", arr[i][k]);
}
printf("\n");
}
printf("\n");
}
/*
This beautiful function sorts the whole array, but its length of rows like a pyramid
input: int** arr, int rows
output: none
*/
void sortingTheWholeArray(int** pArr, int rows)
{
int* temp = 0;
int i = 0, k = 0;
for (i = 0; i < rows - 1; i++)
{
for (k = 0; k < rows - 1; k++)
{
if (pArr[k][0] > pArr[k + 1][0])
{
temp = pArr[k];
pArr[k] = pArr[k + 1];
pArr[k + 1] = temp;
}
}
}
}
/*
This little small function sorts every row of the array of arrays given to it
input: int** arr, int rows
output: none
*/
void sortingEachOneOfThem(int** pArr, int rows)
{
int i = 0;
for (i = 0; i < rows; i++)
{
bubbleSort(pArr[i]);
}
}
/*
This little piece of a code is a bubble sort, sorts the array given to it :)
input: int* arr, int rows
output: none
*/
void bubbleSort(int* arr)
{
int i = 1, k = 0;
for (i = 1; i < arr[0] - 1; i++)
{
for (k = 1; k <= arr[0] - i; k++)
{
if (arr[k] > arr[k + 1])
{
arr[k] += arr[k + 1];
arr[k + 1] = arr[k] - arr[k + 1];
arr[k] -= arr[k + 1];
}
}
}
}
自由末崩潰我的代碼,顯示此錯誤: https://i.stack.imgur.com/nqxBG.png 另一個代碼免費的()函數的用法相同的工作不錯,但不是在這裏。我試圖通過逐步模式運行它,它在第一次免費時崩潰。 Dr.記憶顯示:https://i.stack.imgur.com/rSZJr.png 另一個鏈接:https:// i.stack。 imgur.com/ZX2Ne.png(粘貼時沒有空格,不能超過2個鏈接) 我該怎麼辦?下分配免費()崩潰的代碼
pArr[i] = (int*) malloc(sizeof(int) * sizes + 1);
:
將文本發佈爲文本本身,而不是圖像。 –
使用二維數組代替指針數組,所有這些錯誤都會自動消失。這裏沒有明顯的需要使用指針數組。 – Lundin