動態數組（表的構建和填充）

 #include<stdio.h>

#include<stdlib.h>

#include<limits.h>

 

int** buildTsble(void);

void fillTable(int** table);

void processTable(int** table);

int smaller(int first,int second);

int larger(int first,int second);

int rowMinimum(int* rowRtr);

int rowMaximum(int* rowPtr);

float rowAverage(int* rowPtr);

 

//動態數組（main） 

int main() {

int** table;

table=buildTsble();

fillTable(table);

processTable(table);

return 0;

}

 

//動態數組（buildTable） 

int** buildTsble(void) {

int rowNum;

int colNum;

int** table;

int row;

printf("\nEnter the number of rows in the table: ");

scanf("%d",&rowNum);

table=(int**)calloc(rowNum+1,sizeof(int*));

for(row=0;row<rowNum;row++) {

printf("Enter number of integers in row %d: ",row+1);

scanf("%d",&colNum);

table[row]=(int*)calloc(colNum+1,sizeof(int));

table[row][0]=colNum;

}

table[row]=NULL;

return table;

}

 

//動態數組（fillTable）

 void fillTable(int** table) {

  int row=0;

  printf("\n========================");

  printf("\nNow we fill the table.\n");

  printf("\nFor each row enter the data");

  printf("\nand press return: ");

  printf("\n=========================\n");

  while(table[row]!=NULL) {

printf("\nrow%d (%d integers)=====> ",row+1,table[row][0]);

for(int columm=1;columm<=*table[row];columm++)

scanf("%d",table[row]+columm);

  row++;

}

return ;

 }

 

 //動態數組：表處理

 void processTable(int** table) {

  int row=0;

  int rowMin;

  int rowMax;

  float rowAve;

  while(table[row]!=NULL) {

rowMin=rowMinimum(table[row]);

rowMax=rowMaximum(table[row]);

rowAve=rowAverage(table[row]);

printf("\nThe statistics for row %d ",row+1);

printf("\nThe minimum: %5d",rowMin);

printf("\nThe maximum: %5d",rowMax);

printf("\nThe average: %8.2f",rowAve);

row++;

}

return ;

 }

 

 //動態數組：查找最小值

 int rowMinimum(int* rowPtr) {

  int rowMin=INT_MAX;

 

  for(int columm=1;columm<=*rowPtr;columm++)

  rowMin=smaller(rowMin,*(rowPtr+columm));

return rowMin;

 }

 

 //動態數組：查找航最大值

 int rowMaximum(int* rowPtr) {

  int rowMax=INT_MIN;

 

  for(int columm=1;columm<=*rowPtr;columm++)

  rowMax=larger(rowMax,*(rowPtr+columm));

return rowMax;

 } 

 

 //動態數組：查找平均值

 float rowAverage(int* rowPtr) {

  float total=0;

  float rowAve;

 

for(int columm=1;columm<*rowPtr;columm++)

total+=(float)*(rowPtr+columm);

rowAve = total/ *rowPtr;

return rowAve;

 } 

 

//動態數組：查找更小值

int smaller(int first,int second) {

return (first<second?first:second);

} 

 

//動態數組：查找更大值

int larger(int first,int second) {

return (first>second?first:second);

}