Herr Deng桑的教學blog: Ex3 算zeta(2) & π

2017年3月14日星期二

Ex3 算zeta(2) & π

sum=1/1^2+1/2^2+1/3^2+1/4^2+.........+1/n^2+......

並計算 sqrt(6*sum)

33 則留言:

B10333070徐承瑋提到...: #include <iostream>
#include <cstdlib>
#include <cmath>
using namespace std;
int main() {

cout<<"pi\n";
cout<<"Input n=";
unsigned n;
cin>>n;
double sum=0;
for(int i=1;i<=n;i++){
sum=sum+1/((double)i*i) ;
}
cout<<"ans>>"<<sqrt(6*sum)<<endl;
system("Pause");
return 0;
}; 2017年3月14日上午11:07
B10333107 曾詠浩提到...: #include <iostream>
#include <cstdlib>
#include <cmath>

using namespace std;

int main()
{
cout << "pi......\n";
cout << "Input n=";
unsigned n;
double sum=0;
cin >>n;
cout << n<<endl;
for(int i=1;i<=n;i++)
{
sum=sum+1/((double)i*i);
}
cout <<sqrt(6*sum);
system("Pause");
return 0;
}; 2017年3月14日上午11:07
B10333005 陳於農提到...: #include <iostream>
#include <cstdlib>
#include <cmath>

using namespace std;

int main()
{
cout << "Compute pi......\n";
cout << "Input n=";
unsigned n;
double sum=0;
cin >> n;
cout << n << endl;
for (int i=1;i<=n;i++)
{
sum = sum+1/((double)i*i);
}
cout << sqrt(6*sum);
system("Pause");
return 0;
}; 2017年3月14日上午11:09
b10333097胡聖恩提到...: #include<iostream>
#include<cstdlib>
#include<cmath>

using namespace std;

int main()

{
cout << "Compute pi.....\n";
cout << "Input n=";
unsigned n;
double sum = 0;
cin >> n;
cout << n << endl;
for (int i = 1; i <= n; i++)
{
sum = sum + 1 / ((double)i*i);

}
cout << sqrt(6 * sum);
system("Pause");
return 0;

}; 2017年3月14日上午11:11
B10333064王韻菱提到...: #include <iostream>
#include <cstdlib>
#include <cmath>

using namespace std;
int main()
{
cout << "Compute pi...\n";
cout << "Input n=";
double sum = 0;
unsigned n;
cin >> n;
cout << n << endl;
for (int i=1;i<=n;i++)
{
sum = sum + 1 / ((double)i*i);
}
cout << sqrt(6*sum);
system("Pause");
return 0;
}; 2017年3月14日上午11:21
b10333080王育文提到...: #include <iostream>
#include <cstdlib>
#include <cmath>

using namespace std;

int main() {
unsigned n;
cin >> n;
cout << n<<endl;

double sum=0;
for (int i = 1; i <= n; i++)
{
sum +=1/((double)i*i);
}

cout << sqrt(6*sum);

system("Pause");
return 0;
}; 2017年3月14日上午11:21
b10333079 提到...: #include<iostream>
#include<cstdlib>
#include<cmath>

using namespace std;

int main()
{
unsigned n;
cout << "Compute pi.......\n";
cout << "Input n=";
double sum = 0;

cin >> n;
cout << n << endl;
for (int i = 1; i <= n; i++)
{

sum = sum + 1 / ((double)i*i);
}
cout << sqrt(6 * sum);
system("Pause");
return 0;

}; 2017年3月14日上午11:22
B10333079 葉禮魁提到...: #include<iostream>
#include<cstdlib>
#include<cmath>

using namespace std;

int main()
{
unsigned n;
cout << "Compute pi.......\n";
cout << "Input n=";
double sum = 0;

cin >> n;
cout << n << endl;
for (int i = 1; i <= n; i++)
{

sum = sum + 1 / ((double)i*i);
}
cout << sqrt(6 * sum);
system("Pause");
return 0;

}; 2017年3月14日上午11:22
B10333089 游智翔提到...: #include <iostream>
#include <cstdlib>
#include <cmath>

using namespace std;

int main() {
cout << "Compute pi....\n";
cout << "Input n=";
unsigned n;
cin >> n;
double sum = 0;
for (int i = 1; i <= n; i++) {
sum = sum + 1 / double(i*i);
}
cout << sqrt(6 * sum);
system("Pause");
return 0;
}; 2017年3月14日上午11:24
B10333106 劉郁芃提到...: #include <iostream>
#include <cstdlib>
#include <cmath>

using namespace std;

int main()
{
cout << "Compute pi.....\n";
cout << "Input n=";
double sum = 0;
unsigned n;
cin >> n;
cout << n << endl;
for (int i = 1; i <= n; i++)
{
sum = sum + 1 / ((double)i*i);
}
cout << sqrt(6 * sum);
system("Pause");
return 0;
}; 2017年3月14日上午11:25
B10333077 提到...: #include <iostream>
#include <cstdlib>
#include <cmath>

using namespace std;
int main()
{
cout << "Compute pi.......\n";
cout << "Input n=";
unsigned n;
double sum = 0;
cin >> n;
cout << n << endl;
for (int i = 1; i <= n; i++)
{
sum = sum + 1 / ((double)i*i);
}
cout << sqrt(6 * sum);
system("Pause");
return 0;
}; 2017年3月14日上午11:28
B10433038詹恭煒提到...: #include <iostream>
#include <cstdlib>
#include <cmath>

using namespace std;

int main()
{
cout << "Compute pi.....\n";
cout << "Input n=";
unsigned n;
double sum = 0;
cin >> n;
cout << n << endl;
for (int i = 1; i <= n; i++)
{
sum = sum + 1 / ((double)i*i);
}
cout << sqrt(6 * sum);
system("pause");
return 0;
}; 2017年3月14日上午11:31
B10433053謝肇安提到...: #include <iostream>
#include <cstdlib>
#include <cmath>
#include <iomanip>
#include <ctime>
using namespace std;

int main()
{
cout << "Compute pi.....\n";
cout << "Input n=";
unsigned n;
double sum = 0;
cin >> n;
cout << n << endl;
unsigned begin = clock(), end;
for (int i = 1; i <= n; i++)
{
sum = sum + 1 / ((double)i*i);
}
cout << setprecision(16) << "zeta(2)=" << sum << endl;
cout << "π=" << sqrt(6 * sum) << endl;
end = clock();
cout << (end - begin) / 1000.0 << "sec\n";
system("pause");
return 0;
}; 2017年3月14日上午11:32
b10333083周琬芸提到...: #include <iostream>
#include<cstdlib>
#include<cmath>
#include<iomanip>
#include<ctime>
using namespace std;
int main(){
cout << "Compute pi .....\n";
cout << "Input n=";
unsigned n;
cin >> n;
cout << n << endl;
unsigned begin = clock(), end;
double sum = 0;
for (int i=1;i<=n;i++)
{
sum = sum + 1 / ((double)i*i);
}
cout << setprecision(16) << "zeta(2)=" << sum << endl;
cout << sqrt(6 * sum)<<endl;
end = clock();
cout << (end - begin) / 1000.0 << "sec \n";
system("Pause");
return 0;

}; 2017年3月14日上午11:32
B10333027 毛冠霖提到...: #include <iostream>
#include <cstdlib>
#include <cmath>

using namespace std;

int main()
{
cout << "pi......\n";
cout << "Input n=";
unsigned n;
double sum = 0;
cin >> n;
cout << n << endl;
for (int i = 1; i <= n; i++)
{
sum = sum + 1 / ((double)i*i);
}
cout << sqrt(6 * sum);
system("pause");
return 0;
}; 2017年3月14日上午11:32
B10333055 翁恩義提到...: #include <iostream>
#include <cstdlib>
#include <cmath>
#include <iomanip>
#include <ctime>

using namespace std;

int main()
{
cout << "Compute pi.....\n";
cout << "Input n=";
unsigned n;
cin >> n;
cout << n << endl;
unsigned begin = clock(), end;
double sum = 0;
for (int i = 1; i <= n; i++)
{
sum = sum + 1 / ((double)i*i);
}
cout << setprecision(16) << "zata(2)=" << sum << endl;
cout <<sqrt(6*sum) << endl;

end = clock();
cout << (end - begin) / 1000.0 << "sec\n";
system("Pause");
return 0;
}; 2017年3月14日上午11:33
b10333094張之銜提到...: #include <iostream>
#include <cstdlib>
#include <cmath>
using namespace std;
int main()
{
cout << "Compute pi.....\n";
cout << "Iput n=";
unsigned n;
double sum = 0;
cin >> n;
cout << n << endl;
for (int i = 1; i<=n; i++)
{
sum = sum + 1 / ((double)i*i);
}
cout << sqrt(6 * sum);
system("Pause");
return 0;; 2017年3月14日上午11:33
b10333142 提到...: #include
#include
#include
#include
#include

using namespace std;

int main()
{
cout << "input n=";
unsigned n; cin >> n;
cout << n << endl;
unsigned begin = clock(), end;
double sum = 0;
for (int i=1; i<=n;i++)
{
sum += 1.0 / ((double)i*i);
}
cout << setprecision(16) << "zeta(2)=" << sum << endl;
cout << "%=" << sqrt(6 * sum) << endl;
end = clock();
cout << (end - begin) / 1000.0 << "sec/n";
system("Pause");
return 0;
}; 2017年3月14日上午11:33
B10333086 陳晏堂提到...: #include <iostream>
#include <cstdlib>
#include <cmath>
#include <iomanip>
#include <ctime>
using namespace std;

int main()
{
cout<< "pi........\n";
cout<< "Input n=";
unsigned n;
double sum=0;
cin>>n;
cout<<n<<endl;
unsigned begin=clock(),end;
for(int i=1;i<=n;i++)
{
sum=sum+1.0/((double)i*i);
}
cout <<sqrt(6*sum);
system("pause");
return 0;
}; 2017年3月14日上午11:33
B10433156 提到...: #include<iostream>
#include<cstdlib>
#include<cmath>
#include<iomanip>
#include<ctime>
using namespace std;

int main()
{

cout << "Compute Pi......\n ";
cout << "Input n=";
cin >> n;
unsigned n;
double sum = 0;
for (int i = 1; i <= n; i++)
sum += 1.0 / ((double)i*i);
cout << setprecision(16) << "zeta(2)" << sum << endl;
cout << Pi << sum << endl;
end = clock();
cout << (end - begin / 1000.0 <<"sec\n")
system("Pause");
return 0;

}; 2017年3月14日上午11:34
B10333063羅胤銓提到...: #include <iostream>
#include <cstdlib>
#include <cmath>
#include <iomanip>
using namespace std;
int main(){
cout << "Compute pi.....\n";
cout << "Input n=";
unsigned n;
cin >> n;
cout << n << endl;
unsigned begin =clock(), end;
double sum = 0;
for (int i = 1; i <= n; i++)
{
sum += + 1.0 / ((double)i*i);
}
cout << setprecision(16) << "zera(2)=" << sum << endl;
cout << "π="<< sqrt(6 * sum)<<endl;
end = clock();
cout << (end - begin) / 1000.0 << " sec\n";
system("Pause");
return 0;
}; 2017年3月14日上午11:34
b10133187 提到...: #include
#include
#include

using namespace std;

int main()
{
cout << "compute pi.....\n";
cout << "Input n=";
unsigned n;
double sum = 0;
cin >> n;
cout << n << endl;
for (int i = 1; i < n; i++)
{
sum = sum + 1.0 / ((double)i*i);
}
cout << sqrt(6*sum);
system("pause");
return 0;
}; 2017年3月14日上午11:35
b10133187 提到...: #include
#include
#include

using namespace std;

int main()
{
cout << "compute pi.....\n";
cout << "Input n=";
unsigned n;
double sum = 0;
cin >> n;
cout << n << endl;
for (int i = 1; i < n; i++)
{
sum = sum + 1.0 / ((double)i*i);
}
cout << sqrt(6*sum);
system("pause");
return 0;
}; 2017年3月14日上午11:35
b10133187 提到...: #include
#include
#include

using namespace std;

int main()
{
cout << "compute pi.....\n";
cout << "Input n=";
unsigned n;
double sum = 0;
cin >> n;
cout << n << endl;
for (int i = 1; i < n; i++)
{
sum = sum + 1.0 / ((double)i*i);
}
cout << sqrt(6*sum);
system("pause");
return 0;
}; 2017年3月14日上午11:35
b10133187 提到...: #include
#include
#include

using namespace std;

int main()
{
cout << "compute pi.....\n";
cout << "Input n=";
unsigned n;
double sum = 0;
cin >> n;
cout << n << endl;
for (int i = 1; i < n; i++)
{
sum = sum + 1.0 / ((double)i*i);
}
cout << sqrt(6*sum);
system("pause");
return 0;
}; 2017年3月14日上午11:39
b10133187 提到...: #include
#include
#include

using namespace std;

int main()
{
cout << "compute pi.....\n";
cout << "Input n=";
unsigned n;
double sum = 0;
cin >> n;
cout << n << endl;
for (int i = 1; i < n; i++)
{
sum = sum + 1.0 / ((double)i*i);
}
cout << sqrt(6*sum);
system("pause");
return 0;
}; 2017年3月14日上午11:41
b10133187 提到...: #include
#include
#include

using namespace std;

int main()
{
cout << "compute pi.....\n";
cout << "Input n=";
unsigned n;
double sum = 0;
cin >> n;
cout << n << endl;
for (int i = 1; i < n; i++)
{
sum = sum + 1.0 / ((double)i*i);
}
cout << sqrt(6*sum);
system("pause");
return 0;
}; 2017年3月14日上午11:42
B10333072 黃玟茜提到...: #include <iostream>
#include <cstdlib>
#include <cmath>

using namespace std;

int main()
{
cout << "Compute pi.....\n";
cout << "Input n=";
unsigned n;
cin >> n;
cout << n << endl;

double sum = 0;
for (int i = 1; i <= n; i++) {
sum += 1 / ((double)i*i);

}
cout << sqrt(6 * sum); sfas

system("Pause");
return 0;
}; 2017年3月14日上午11:42
B10333053 梁竣翔提到...: #include <iostream>
#include <cstdlib>
#include <cmath>
#include <iomanip>
#include <ctime>

using namespace std;

int main()
{
cout << "Input n=";
unsigned n;
cin >> n;
cout << n << endl;
unsigned begin = clock(), end;
double sum=0;

for (int i = 1; i <= n ; i++)
sum += 1.0 / ((double)i*i);
cout << setprecision(16) << "zeta(2)=" << sum << endl;
cout << "π=" << sqrt(6 * sum) << endl;
end = clock();
cout << (end - begin) / 1000.0 << "sec\n";
system("Pause");
return 0;
}; 2017年3月14日上午11:44
b10333142 提到...: #include
#include
#include
#include
#include

using namespace std;
#include
int main()
{
cout << "input n=";
unsigned n; cin >> n;
cout << n << endl;
unsigned begin = clock(), end;
double sum = 0;
#pragma omp parallel for reduction(+ : sum)
for (int i=1; i<=n;i++)
{
sum += 1.0 / ((double)i*i);
}
cout << setprecision(16) << "zeta(2)=" << sum << endl;
cout << "%=" << sqrt(6 * sum) << endl;
end = clock();
cout << (end - begin) / 1000.0 << "sec/n";
system("Pause");
return 0;
}; 2017年3月14日上午11:47
b10233032謝翔宇提到...: #include
#include
#include
using namespace std;
int main() {

cout<<"pi\n";
cout<<"Input n=";
unsigned n;
cin>>n;
double sum=0;
for(int i=1;i<=n;i++){
sum=sum+1/((double)i*i) ;
}
cout<<"ans>>"<<sqrt(6*sum)<<endl;
system("Pause");
return 0;
}; 2017年6月20日上午10:33
b10233032謝翔宇提到...: #include
#include
#include
using namespace std;
int main() {

cout<<"pi\n";
cout<<"Input n=";
unsigned n;
cin>>n;
double sum=0;
for(int i=1;i<=n;i++){
sum=sum+1/((double)i*i) ;
}
cout<<"ans>>"<<sqrt(6*sum)<<endl;
system("Pause");
return 0;
}; 2017年6月20日上午10:34
B10333053 梁竣翔提到...: #include
#include
#include
#include
#include

using namespace std;
#include
int main()
{
cout << "input n=";
unsigned n; cin >> n;
cout << n << endl;
unsigned begin = clock(), end;
double sum = 0;
#pragma omp parallel for reduction(+ : sum)
for (int i=1; i<=n;i++)
{
sum += 1.0 / ((double)i*i);
}
cout << setprecision(16) << "zeta(2)=" << sum << endl;
cout << "%=" << sqrt(6 * sum) << endl;
end = clock();
cout << (end - begin) / 1000.0 << "sec/n";
system("Pause");
return 0;
}; 2017年6月20日上午10:36

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2017年3月14日星期二

Ex3 算zeta(2) & π

33 則留言:

熱門文章

DengSir7 Google Display

programming

網頁

herrDeng網內搜尋

Ads

2017年3月14日 星期二

Ex3 算zeta(2) & π

33 則留言:

熱門文章

DengSir7 Google Display

programming

2017年3月14日星期二