#include <stdio.h>
void main()
{
    int input;
    pirntf("请输入成绩:");
    scanf("%d",&input);
    if(input>100)printf("你逗我，哪有这样成绩！\n");
    else if(input>=80)printf("优秀\n");
    else if(input>=60 && input<80)printf("良好\n");
    else printf("不及格\n");
}

[ 本帖最后由 a1377590675 于 2015-9-9 12:29 编辑 ]

--------------------Configuration: 19_1 - Win32 Debug--------------------
Compiling...
mark.c
G:\VStart\C\练习题\19_1\mark.c(20) : warning C4013: 'pirntf' undefined; assuming extern returning int
Linking...
mark.obj : error LNK2001: unresolved external symbol _pirntf
Debug/19_1.exe : fatal error LNK1120: 1 unresolved externals
Error executing link.exe.

19_1.exe - 2 error(s), 1 warning(s)


什么意思？

谢谢，粗心了

谢谢，粗心了