Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
131111 唐俊逸 08大小写转换 C++ Compile Error 0 MS 0 KB 389 2025-09-20 19:25:56

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; cin>>a; if(a>="a"&&a>="z"){ a-=32; } else{ a+=32 } cout<<a; return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:10:11: warning: comparison with string literal results in unspecified behaviour [-Waddress]
     if(a>="a"&&a>="z"){
           ^
Main.cc:10:11: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
Main.cc:10:19: warning: comparison with string literal results in unspecified behaviour [-Waddress]
     if(a>="a"&&a>="z"){
                   ^
Main.cc:10:19: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
Main.cc:15:5: error: expected ';' before '}' token
     }
     ^