已解决问题
谷歌zilfsk用户在2014.10.07提交了关于“李一男关于undeclared identifier”的提问,欢迎大家涌跃发表自己的观点。目前共有1个回答,最后更新于2024-09-11T21:06:50。c的程序是这样的:(两个源文件)1.c++#include<stdio.h>intm;voidmain(){intjudge();printf("pleaseinputa**mber:");scanf("%d",&m);judge();}2.c++externm;intjudge(){intj;for(j=2;j<m;j++){if(m%j==0)bre**;}if(j==m)printf("是素数\n");elseprintf("不是素数\n");}--------------------Configuration:123-Win32Debug--------------------Compiling2.cppE:\123\2.cpp(8):errorC2065:'printf':undeclaredidentifierErrorexecutingcl.exe.123.exe-1error(s),0warning(s)出现上面这样的结果。。是因为什么呢?希望大家能够帮助她。详细问题描述及疑问:c的程序是这样的:(两个源文件)1.c++#include<stdio.h>intm;voidmain(){intjudge();printf("pleaseinputa**mber:");scanf("%d",&m);judge();}2.c++externm;intjudge(){intj;for(j=2;j<m;j++){if(m%j==0)bre**;}if(j==m)printf("是素数\n");elseprintf("不是素数\n");}--------------------Configuration:123-Win32Debug--------------------Compiling2.cppE:\123\2.cpp(8):errorC2065:'printf':undeclaredidentifierErrorexecutingcl.exe.123.exe-1error(s),0warning(s)出现上面这样的结果。。是因为什么呢?期待您的答案,希望你能感受到,我最真诚的谢意 !