numericaaa的博客

//test timeclock_t start, finish;double Total_time; start = clock();finish = clock();Total_time = (double)(finish-start) / CLOCKS_PER_SEC;printf( "\n%f seconds\n", Total_time);

1.从文本输入(1). 逐行读入void readTxt(string file){    ifstream infile;     infile.open(file.data());   //将文件流对象与文件连接起来     assert(infile.is_open());   //若失败,则输出错误消息,并终止程序运行     string s;    while(getline(infi...