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mz121

Í­³æ (СÓÐÃûÆø)

[ÇóÖú] C++С³ÌÐòÇóÖú

#include<iostream>
#include <iomanip>  
#include <fstream>
#include<cmath>
using namespace std;
void main()
{
        int i, j;
        ifstream fileinput;
        fileinput.open("e:\\X.txt";
        ofstream outfile;
        outfile.open("e:\\out.txt";
        double v, d, data[483266][5];
        for (i = 1;i<483266;i++)for (j = 1;j <= 4;j++)fileinput >> data[j];
        for (i = 1;i < 483266;i++)
        {
                int n = 0;
                for (j = 1;j < 5;j++)
                {
                        n++;
                        outfile << setiosflags(ios::fixed) << setprecision(20) << setiosflags(ios::left)<<data[j]<<"   ";
                        if (n == 4)outfile << endl;
                }
        }
        /*for (i = 1;i < 483266;i = i + 100)
        {
                d = data[2] / data[1];
                v = fabs(data[3] * cos(30) + data[4] * cos(60));
                if (data[1] > 0 && data[2] > 0 && 0.57735 <d< 0.577351)
                {
                        outfile << setiosflags(ios::fixed) << setprecision(20) << setiosflags(ios::left) << data[1] << "    " << "    " << v << endl;
                }
        }*/
        fileinput.close();
        outfile.close();
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