52 lines
908 B
C++
52 lines
908 B
C++
#include <bits/stdc++.h>
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using namespace std;
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#define MAX 101
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int D[MAX][MAX];
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static int n;
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/**
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* 功能：读取一个二维数据文件
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* 作者：黄海
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* 时间：2019-11-02
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*/
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void readTwoDimensionArrayData() {
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//数据源文件
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string file = "./TwoDimensionArrayDataData.in";
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//fstream 流方法读数据
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ifstream fin(file);
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//读取数塔的层数
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fin >> n;
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//和cin一样的读取办法
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for (int i = 1; i <= n; i++)
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for (int j = 1; j <= i; j++)
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fin >> D[i][j];
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//关闭文件
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fin.close();
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fin.clear(ios::goodbit);
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}
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int main() {
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//从数据文件中读取数据
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readTwoDimensionArrayData();
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//输出n
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cout << "n=" << n << endl;
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//输出二维数组
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for (int i = 1; i <= n; i++) {
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for (int j = 1; j <= i; j++) {
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cout << D[i][j] << " ";
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}
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cout << endl;
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}
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cout << endl;
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}
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