Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
7500 吴承熹 统计数字字符个数 C++ Compile Error 0 MS 0 KB 442 2025-05-03 07:45:16

Tests(0/0):

Code:

#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<cstring> // strcpy()\strcat()\strcmp()\strlen()\memset() #include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min() using namespace std; int main(){ char a[226]; int b=0; cin>>a; int i=1; while(a[i]!='\0'){ if(isdigit(a)){ b=b+1; } i++; } cout<<b; return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:13:21: error: invalid conversion from 'char*' to 'int' [-fpermissive]
         if(isdigit(a)){
                     ^
In file included from /usr/include/c++/4.8.2/cctype:42:0,
                 from /usr/include/c++/4.8.2/bits/localefwd.h:42,
                 from /usr/include/c++/4.8.2/ios:41,
                 from /usr/include/c++/4.8.2/ostream:38,
                 from /usr/include/c++/4.8.2/iostream:39,
                 from Main.cc:1:
/usr/include/ctype.h:114:1: error:   initializing argument 1 of 'int isdigit(int)' [-fpermissive]
 __exctype (isdigit);
 ^