請用C++亂數~N(70,10)產生100個隨機亂數
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#include<fstream>
#include <iostream>
#include<cstdlib>
#include<random>
#include<ctime>
#include<cmath>
using namespace std;
int main(){
fstream fout;
fout.open("text.csv", ios::out | ios::trunc);
int seed = clock();
mt19937_64 gen(seed);
normal_distribution<double> x(70, 10);
int a[100];
double sum = 0;
double s = 0;
double sum2;
for (int i = 0; i < 100; i++){
a[i] = (int)(round(x(gen)));
fout << a[i] << ",";
fout << "\n";
}
fout.close();
system("Pause");
return (0);
}
#include<iostream>
#include<cstdlib>
#include<random>
#include<ctime>
#include<fstream>
using namespace std;
int main()
{
fstream fout;
fout.open("test.csv", ios::out | ios::trunc);
int seed = clock();
mt19937_64 gen(seed);
normal_distribution<double> x(70, 10);
int a[1000];
double s = 0;
for (int i = 0; i < 100; i++){
a[i] = x(gen);
cout << a[i] << "\t";
fout << a[i]<<",\n";
s = a[i]+s;
if (i % 10 == 9)cout << endl;
}
fout.close();
system("Pause");
return 0;
}
#include<fstream>
#include <iostream>
#include<cstdlib>
#include<random>
#include<ctime>
#include<cmath>
using namespace std;
int main(){
fstream fout;
fout.open("text.csv", ios::out | ios::trunc);
int seed = clock();
mt19937_64 gen(seed);
normal_distribution<double> x(70, 10);
int a[100];
double sum = 0;
double s = 0;
double sum2;
for (int i = 0; i < 100; i++){
a[i] = (int)(round(x(gen)));
fout << a[i] << ",";
fout << "\n";
}
fout.close();
system("Pause");
return (0);
}
#include<fstream>
#include <iostream>
#include<cstdlib>
#include<random>
#include<ctime>
#include<cmath>
using namespace std;
int main(){
fstream fout;
fout.open("text.csv", ios::out | ios::trunc);
int seed = clock();
mt19937_64 gen(seed);
normal_distribution<double> x(70, 10);
int a[100];
double sum = 0;
double s = 0;
double sum2;
for (int i = 0; i < 100; i++){
a[i] = (int)(round(x(gen)));
fout << a[i] << ",";
fout << "\n";
}
fout.close();
system("Pause");
return (0);
}
#include
#include
#include
using namespace std;
int main(){
fstream fout;
fout.open("test.csv", ios::out | ios::trunc);
fout << "hello, 1,2,3\n";
fout << "hello, 2,2,4\n";
fout.close();
system("Pause");
return 0;
}
#include <iostream>
#include <fstream>
#include <cstdlib>
#include <random>
#include <ctime>
using namespace std;
int main()
{
fstream fout;
fout.open("test.csv",ios::out | ios::trunc);
int seed = clock();
mt19937_64 gen(seed);
normal_distribution<double> X(70, 10);
double a[1000];
double sum = 0;
double sum2 = 0;
for (int i = 0; i < 1000; i++){
a[i] = X(gen);
fout << a[i] << "\t";
sum += a[i];
if (i % 10 == 9)fout << endl;
}
sum = sum / 1000.0;
for (int i = 0; i < 1000; i++){
sum2 += (a[i] * a[i]) - (sum * sum);
}
sum2 = sum2 / 1000;
double s = sqrt(sum2);
fout << (clock()-seed)/1000.0 <<"sec." << endl;
system("Pause");
return 0;
}
#include <iostream>
#include <fstream>
#include <cstdlib>
#include <random>
#include <ctime>
using namespace std;
int main()
{
fstream fout;
fout.open("test.csv", ios::out | ios::trunc);
int seed = clock();
mt19937_64 gen(seed);
normal_distribution<double> X(70, 10);
double a[1000];
double sum = 0;
double sum2 = 0;
for (int i = 0; i < 1000; i++){
a[i] = X(gen);
fout << a[i] << "\t";
sum += a[i];
if (i % 10 == 9)fout << endl;
}
sum = sum / 1000.0;
for (int i = 0; i < 1000; i++){
sum2 += (a[i] * a[i]) - (sum * sum);
}
sum2 = sum2 / 1000;
double s = sqrt(sum2);
fout << (clock() - seed) / 1000.0 << "sec." << endl;
system("Pause");
return 0;
}
#include <iostream>
#include <fstream>
#include <cstdlib>
#include <random>
#include <ctime>
using namespace std;
int main()
{
fstream fout;
fout.open("test.csv", ios::out | ios::trunc);
int seed = clock();
mt19937_64 gen(seed);
normal_distribution<double> X(70, 10);
double a[1000];
double sum = 0;
double sum2 = 0;
for (int i = 0; i < 1000; i++){
a[i] = X(gen);
fout << a[i] << "\t";
sum += a[i];
if (i % 10 == 9)fout << endl;
}
sum = sum / 1000.0;
for (int i = 0; i < 1000; i++){
sum2 += (a[i] * a[i]) - (sum * sum);
}
sum2 = sum2 / 1000;
double s = sqrt(sum2);
fout << (clock() - seed) / 1000.0 << "sec." << endl;
system("Pause");
return 0;
}
#include <iostream>
#include <fstream>
#include <cstdlib>
#include <random>
#include <ctime>
#include <cmath>
using namespace std;
int main()
{
fstream fout;
fout.open("test.csv", ios::out | ios::trunc);
int seed = clock();
mt19937_64 gen(seed);
normal_distribution<double> X(70, 10);
double a[1000];
double sum = 0;
double sum2 = 0;
for (int i = 0; i < 1000; i++){
a[i] = X(gen);
cout << a[i] << "\t";
sum += a[i];
if (i % 10 == 9)cout << endl;
}
sum = sum / 1000.0;
for (int i = 0; i < 1000; i++){
sum2 += (a[i] * a[i]) - (sum * sum);
}
sum2 = sum2 / 1000;
double s = sqrt(sum2);
cout << (clock() - seed) / 1000.0 << "sec." << endl;
system("Pause");
return 0;
}
#include<iostream>
#include<fstream>
#include<cstdlib>
#include<random>
#include<ctime>
using namespace std;
int main(){
fstream fout;
fout.open("test.csv", ios::out | ios::trunc);
int test = clock();
mt19937_64 gen(test);
normal_distribution<double>dis(70, 10);
int a[100];
for (int i = 0; i < 100; i++){
a[i] = (int)(round(dis(gen)));
fout << a[i] << "\n";
}
fout.close();
fout << endl;
system("Pause");
return 0;
}
#include
#include
#include
#include
#include
#include
using namespace std;
int main(){
fstream fout;
fout.open("text.csv", ios::out | ios::trunc);
int seed = clock();
mt19937_64 gen(seed);
normal_distribution x(70, 10);
int a[100];
double sum = 0;
double s = 0;
double sum2;
for (int i = 0; i < 100; i++){
a[i] = (int)(round(x(gen)));
fout << a[i] << ",";
fout << "\n";
}
fout.close();
system("Pause");
return (0);
}
#include
#include
#include
#include
#include
#include
using namespace std;
int main(){
fstream fout;
fout.open("text.csv", ios::out | ios::trunc);
int seed = clock();
mt19937_64 gen(seed);
normal_distribution x(70, 10);
int a[100];
double sum = 0;
double s = 0;
double sum2;
for (int i = 0; i < 100; i++){
a[i] = (int)(round(x(gen)));
fout << a[i] << ",";
fout << "\n";
}
fout.close();
system("Pause");
return (0);
}
#include
#include
#include
#include
#include
using namespace std;
int main()
{
fstream fout;
fout.open("test.csv",ios::out | ios::trunc);
int seed = clock();
mt19937_64 gen(seed);
normal_distribution X(70, 10);
double a[1000];
double sum = 0;
double sum2 = 0;
for (int i = 0; i < 1000; i++){
a[i] = X(gen);
fout << a[i] << "\t";
sum += a[i];
if (i % 10 == 9)fout << endl;
}
sum = sum / 1000.0;
for (int i = 0; i < 1000; i++){
sum2 += (a[i] * a[i]) - (sum * sum);
}
sum2 = sum2 / 1000;
double s = sqrt(sum2);
fout << (clock()-seed)/1000.0 <<"sec." << endl;
system("Pause");
return 0;
}
#include
#include
#include
#include
#include
using namespace std;
int main()
{
fstream fout;
fout.open("test.csv",ios::out | ios::trunc);
int seed = clock();
mt19937_64 gen(seed);
normal_distribution X(70, 10);
double a[1000];
double sum = 0;
double sum2 = 0;
for (int i = 0; i < 1000; i++){
a[i] = X(gen);
fout << a[i] << "\t";
sum += a[i];
if (i % 10 == 9)fout << endl;
}
sum = sum / 1000.0;
for (int i = 0; i < 1000; i++){
sum2 += (a[i] * a[i]) - (sum * sum);
}
sum2 = sum2 / 1000;
double s = sqrt(sum2);
fout << (clock()-seed)/1000.0 <<"sec." << endl;
system("Pause");
return 0;
}
#include <iostream>
#include <fstream>
#include <cstdlib>
#include <string>
#include <random>
#include <ctime>
#include <cmath>
using namespace std;
int main(){
fstream fout;
fout.open("test.csv",::ios::out|ios::trunc);
int seed=clock();
mt19937_64 gen(seed);
normal_distribution<double>dis(70,10);
double a[100];
double sum=0;
for(int i=0;i<100;i++){
a[i]=(int)(round(dis(gen)));
fout<< a[i];
sum+=a[i];
if(i%10==9)fout <<endl;
fout.close();
}
system("pause");
return 0;
}
#include <iostream>
#include <fstream>
#include <cstdlib>
#include <random>
#include <ctime>
using namespace std;
int main()
{
fstream fout;
fout.open("test.csv",ios::out | ios::trunc);
int seed = clock();
mt19937_64 gen(seed);
normal_distribution<double> X(70, 10);
double a[1000];
double sum = 0;
double sum2 = 0;
for (int i = 0; i < 1000; i++){
a[i] = X(gen);
fout << a[i] << "\t";
sum += a[i];
if (i % 10 == 9)fout << endl;
}
sum = sum / 1000.0;
for (int i = 0; i < 1000; i++){
sum2 += (a[i] * a[i]) - (sum * sum);
}
sum2 = sum2 / 1000;
double s = sqrt(sum2);
fout << (clock()-seed)/1000.0 <<"sec." << endl;
system("Pause");
return 0;
}
#include
#include
#include
#include
#include
#include
using namespace std;
int main(){
fstream fout;
fout.open("text.csv", ios::out | ios::trunc);
int seed = clock();
mt19937_64 gen(seed);
normal_distribution x(70, 10);
int a[100];
double sum = 0;
double s = 0;
double sum2;
for (int i = 0; i < 100; i++){
a[i] = (int)(round(x(gen)));
fout << a[i] << ",";
fout << "\n";
}
fout.close();
system("Pause");
return (0);
}
#include <iostream>
#include <fstream>
#include <cstdlib>
#include <random>
#include <ctime>
using namespace std;
int main()
{
fstream fout;
fout.open("test.csv",ios::out | ios::trunc);
int seed = clock();
mt19937_64 gen(seed);
normal_distribution<double> X(70, 10);
double a[1000];
double sum = 0;
double sum2 = 0;
for (int i = 0; i < 1000; i++){
a[i] = X(gen);
fout << a[i] << "\t";
sum += a[i];
if (i % 10 == 9)fout << endl;
}
sum = sum / 1000.0;
for (int i = 0; i < 1000; i++){
sum2 += (a[i] * a[i]) - (sum * sum);
}
sum2 = sum2 / 1000;
double s = sqrt(sum2);
fout << (clock()-seed)/1000.0 <<"sec." << endl;
system("Pause");
return 0;
}
#include
#include
#include
#include
#include
#include
using namespace std;
int main(){
fstream fout;
fout.open("text.csv", ios::out | ios::trunc);
int seed = clock();
mt19937_64 gen(seed);
normal_distribution x(70, 10);
int a[100];
double sum = 0;
double s = 0;
double sum2;
for (int i = 0; i < 100; i++){
a[i] = (int)(round(x(gen)));
fout << a[i] << ",";
fout << "\n";
}
fout.close();
system("Pause");
return (0);
}
#include
#include
#include
#include
#include
#include
using namespace std;
int main(){
fstream fout;
fout.open("text.csv", ios::out | ios::trunc);
int seed = clock();
mt19937_64 gen(seed);
normal_distribution x(70, 10);
int a[100];
double sum = 0;
double s = 0;
double sum2;
for (int i = 0; i < 100; i++){
a[i] = (int)(round(x(gen)));
fout << a[i] << ",";
fout << "\n";
}
fout.close();
system("Pause");
return (0);
}
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