۲۹-۳-۱۳۸۷, ۰۳:۴۲ عصر
سلام خسته نباشید من یه سری برنامه ++C دارم که می خوام انارو به C تبدیل کنم اما ارور می ده کمک کنید.
تا فردا شب حتما می خوام
1.فاکتوریل
2.مثلث
تا فردا شب حتما می خوام
1.فاکتوریل
کد:
[align=left]#include <iostream>
#include <iomanip>
#include <ctime>
#include <fstream>
using namespace std;
const unsigned long long _DIV_NUM = 1000000000000000;
unsigned long long Arr[2000000];
int main()
{
ofstream cout ("BigFact.out");
int n ;
while(cin >> n) //while there's number 2 read :
{
clock_t startTime= clock(); //for calculating time
long long carry =0 , tmp=0;
unsigned int up =1;
cout << n << "!\n";
//------begin of calculations :
Arr[0]=1; //0! && 1! =1
for(int i=2; i<=n; i++) //calcuating n! :
{
for(unsigned int current=0; current<up; current++) //while we have digits in Arr :
{
tmp =(i* Arr[current]+carry ); //
Arr[current]= tmp % _DIV_NUM ; //numbers in Arr must be less than 1000 (only 3-digits in all the Arr cells)/
carry = tmp / _DIV_NUM ; //calcuating carry/
}
if(carry) //if we have carry then :
{
Arr[up++] = carry; //put carry into Arr and increase Arr size/
carry =0; //reset carry/
}
}
//-------end of calculations/
//-------begin of printing Factorial :
cout << Arr[up-1]; //print first digit[s]/
//calcuating the count of factorial digits :
int factLen=0;
for(;Arr[up-1]; factLen++ , Arr[up-1]/=10); //first digits count
factLen += (up-1) * 15 ; //digits count
//print the n! :
for(int i=up-2; i>=0; i--)
{
cout << setw(15) << setfill('0') << Arr[i];
Arr[i]=0; //reset Arr cells 4 next n!/
}
clock_t endTime= clock();
cout << "\nCaculating time : " << setprecision(3) << fixed << (double)(endTime - startTime) / CLOCKS_PER_SEC << endl ;
cout << "Digits count : " << factLen << endl << endl;
}
//-------end of printing Factorial/
return 0;[/align]}2.مثلث
کد:
#include <iostream>
#include <iomanip>
using namespace std;
int fact(int num) {
//variable to hold the value of
int num_factorial = 1;
// while num is greater than one multiply it by the value that is referenced
// by num_factorial, then reassign it to num_factorial. finally decrement the
// value of num and start again
while(num > 1){
num_factorial *= num;
num--;
}//end of while
return num_factorial;
}// end of fact function
//comb finds the value of a combination of 2 numbers
int comb(int n , int k) {
int combination = (fact(n)/(fact(k) * fact((n-k))));
return combination;
}//end of comb function
//printTab prints out a specified number of rows determined by the max rows
//minus the number of the current row
void printTab(int n, int max){
//set the counter equal to max minus the current row
//then print out 4 spaces during ever iteration
for(int i =(max-n); i > 0; i--) {
cout << "";
}//end of for
}// end of printTab function
// main function
int main() {
//vars to hold the variables in each loop
int max,row,column;
//print a blank line on execution to prevent the output from being right up against the CLI id
cout << endl;
//notes where the beginning of execution is for the goto loop
// and prompts the user for input
beginning: cout << "Enter the maximum number of rows: ";
cin >> max;
cout << endl;
// if the maximum rows is above 14 go back so we prevent a buffer overflow of sourts
if (max > 13 || max < 1){
cout << "Number out of range...Try again!\n";
goto beginning;
}//end of goto if
//increment row as long as it is less than the max rows;
for(row = 0; row < max ; row++){
//printTab aides in making output look better by tabbing over a n times depending on current
//value of the row compared to the maximum number of rows
cout << setw(2);
printTab(row,(max - 1));
//increment column as long as column is less then row +1.
//this only works since the maximum values of numbers in a row is 1+the row number
//ie in row 6 there are seven values in Pascal’s triangle,.
for(column = 0; column < row + 1; column++){
// if the column number equals 0 output "1" since it would pass
// 0 and 0 to the combination function which would cause execution fail
// from a divide by zero exception
if(row == 0){
cout << setw(4);
cout << "1";
break;
} else {
//use the iomanip function setw to make the spacing between values to
//ensure proper output and finally output the value and the spacing
cout << setw(4);
cout << comb(row,column) << "";
}//end of row if else
}//end of column for
//output and end line to ensure the next row starts on a new line
cout << endl;
}//end of row for
return 0;
}
من ترم اولی هستم کمک فوری نیازمندم میدونم که خودخواه نست اما کمک کنید نزارید بیفتم.