/in/main.c: In function 'mian':
/in/main.c:52:17: error: format '%d' expects argument of type 'int *', but argument 2 has type 'char *' [-Werror=format=]
         scanf("%d %d", country[i].name ,&country[i].rank); //输入第i+1个国家的名字和名次
                 ^
cc1: all warnings being treated as errors