Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
66332 伍思语 大写转小写 C++ Compile Error 0 MS 0 KB 116 2024-03-05 19:23:15

Tests(0/0):

Code:

#include<iostream> using namespace std; int main(){ char a; cin>>a; printf(a+32); return 0; }

Run Info:

Main.cc: In function 'int main()':
Main.cc:6:13: error: invalid conversion from 'int' to 'const char*' [-fpermissive]
     printf(a+32);
             ^
In file included from /usr/include/stdio.h:936:0,
                 from /usr/include/c++/5/cstdio:42,
                 from /usr/include/c++/5/ext/string_conversions.h:43,
                 from /usr/include/c++/5/bits/basic_string.h:5249,
                 from /usr/include/c++/5/string:52,
                 from /usr/include/c++/5/bits/locale_classes.h:40,
                 from /usr/include/c++/5/bits/ios_base.h:41,
                 from /usr/include/c++/5/ios:42,
                 from /usr/include/c++/5/ostream:38,
                 from /usr/include/c++/5/iostream:39,
                 from Main.cc:1:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:102:1: note:   initializing argument 1 of 'int printf(const char*, ...)'
 printf (const char *__restrict __fmt, ...)
 ^
Main.cc:6:16: warning: format not a string literal and no format arguments [-Wformat-security]
     printf(a+32);
                ^