c语言读取txt文档中的数据,并带入公式中计算,结果输出并保存为txt答:fin=fopen("f1.txt","r"); //原始数据文件 fout=fopen("f2.txt","w"); //保存结果文件 fscanf(fin,"%d%d%d",&a,&b,&c,&d);while(!feof(fin)){ s=(int)sqrt((a-b)*(a-b)+(c-d)*(c-d));fprintf(fout,"%d\n",s);fscanf(fin,"%d%d%d",&a,&b,&c,&d);} f...