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| #include <bits/stdc++.h> using namespace std;
int main() {
ofstream outFile("example.txt"); if (!outFile) { cerr << "无法打开文件!" << endl; return 1; } outFile << "这是第一行文本\n"; outFile << "这是第二行文本\n"; outFile << 12345 << "\n"; outFile.close();
ifstream inFile("example.txt");
if (!inFile) { cerr << "无法打开文件!" << endl; return 1; } string line; while (getline(inFile, line)) { cout << line << endl; } inFile.close();
return 0; }
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