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c++编程读取csv文件,621行,1000列的数据存进二维数组里面,数据都是double
- #include<iostream>
- #include<stdio.h>
- #include <cstdlib>
- using namespace std;
- double x[62][1000];
- int main()
- {
- FILE *fp;
- int row = 62, col = 1000;
- int i, j;
- fp = fopen("C:/Users/Administrator/Desktop/data/data/pca_dataset1.csv", "r");
- for (j = 0;j<row;j++)
- for (i = 0;i<col;i++)
- fscanf_s(fp, "%lf", &x[j][i]);
- int m,n;
- int count = 0;
- for (m = 0;m < row;m++)
- for (n = 0;n < col;n++)
- {
- cout.setf(ios::fixed,ios_base::floatfield);
- cout << x[m][n];
- count++;
- }
- cout << endl;
- cout << count;
- fclose(fp);
- //cout << x;
- system("pause");
- return 0;
- }
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