Online Judge
| Run ID | 作者 | 问题 | 语言 | 测评结果 | Time | Memory | 代码长度 | 提交时间 |
|---|---|---|---|---|---|---|---|---|
| 100384 | 钱恩浩 | 05字符的变化 | C++ | Compile Error | 0 MS | 0 KB | 181 | 2024-12-07 16:59:24 |
Tests(0/0):
Code:
#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() using namespace std; int main(){ int A; cout<<"A"; cin>>A+10-30*20/5; return 0; }
Run Info:
Main.cc: In function 'int main()':
Main.cc:7:8: error: no match for 'operator>>' (operand types are 'std::istream {aka std::basic_istream}' and 'int')
cin>>A+10-30*20/5;
^
In file included from /usr/include/c++/5/iostream:40:0,
from Main.cc:1:
/usr/include/c++/5/istream:120:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>::__istream_type& (*)(std::basic_istream<_CharT, _Traits>::__istream_type&)) [with _CharT = char; _Traits = std::char_traits; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream]
operator>>(__istream_type& (*__pf)(__istream_type&))
^
/usr/include/c++/5/istream:120:7: note: conversion of argument 1 would be ill-formed:
Main.cc:7:14: error: invalid conversion from 'int' to 'std::basic_istream::__istream_type& (*)(std::basic_istream::__istream_type&) {aka std::basic_istream& (*)(std::basic_istream&)}' [-fpermissive]
cin>>A+10-30*20/5;
^
In file included from /usr/include/c++/5/iostream:40:0,
from Main.cc:1:
/usr/include/c++/5/istream:124:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>::__ios_type& (*)(std::basic_istream<_CharT, _Traits>::__ios_type&)) [with _CharT = char; _Traits = std::char_traits; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream; std::basic_istream<_CharT, _Traits>::__ios_type = std::basic_ios]
operator>>(__ios_type& (*__pf)(__ios_type&))
^
/usr/include/c++/5/istream:124:7: note: conversion of argument 1 would be ill-formed:
Main.cc:7:14: error: invalid conversion from 'int' to 'std::basic_istream::__ios_type& (*)(std::basic_istream::__ios_type&) {aka std::basic_ios& (*)(std::basic_ios&)}' [-fpermissive]
cin>>A+10-30*20/5;
^
In file included from /usr/include/c++/5/iostream:40:0,
from Main.cc:1:
/usr/include/c++/5/istream:131:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::ios_base& (*)(std::ios_base&)) [with _CharT = char; _Traits = std::char_traits; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream]
operator>>(ios_base& (*__pf)(ios_base&))
^
/usr/include/c++/5/istream:131:7: note: conversion of argument 1 would be ill-formed:
Main.cc:7:14: error: invalid conversion from 'int' to 'std::ios_base& (*)(std::ios_base&)' [-fpermissive]
cin>>A+10-30*20/5;
^
In file included from /usr/include/c++/5/iostream:40:0,
from Main.cc:1:
/usr/include/c++/5/istream:168:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(bool&) [with _CharT = char; _Traits = std::char_traits; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream]
operator>>(bool& __n)
^
/usr/include/c++/5/istream:168:7: note: conversion of argument 1 would be ill-formed:
Main.cc:7:14: error: invalid initialization of non-const reference of type 'bool&' from an rvalue of type 'bool'
cin>>A+10-30*20/5;
^
In file included from /usr/include/c++/5/iostream:40:0,
from Main.cc:1:
/usr/include/c++/5/istream:172:7: note: candidate: std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(short int&) [with _CharT = char; _Traits = std::char_traits]
operator>>(short& __n);
^
/usr/include/c++/5/istream:172:7: note: conversion of argument 1 would be ill-formed:
Main.cc:7:14: error: invalid initialization of non-const reference of type 'short int&' from an rvalue of type 'short int'
cin>>A+10-30*20/5;
^
In file included from /usr/include/c++/5/iostream:40:0,
from Main.cc:1:
/usr/include/c++/5/istream:175:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(short unsigned int&) [with _CharT = char; _Traits = std::char_traits; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream]
operator>>(unsigned short& __n)
^
/usr/include/c++/5/istream:175:7: note: conversion of argument 1 would be ill-formed:
Main.cc:7:14: error: invalid initialization of non-const reference of type 'short unsigned int&' from an rvalue of type 'short unsigned int'
cin>>A+10-30*20/5;
^
In file included from /usr/include/c++/5/iostream:40:0,
from Main.cc:1:
/usr/include/c++/5/istream:179:7: note: candidate: std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(int&) [with _CharT = char; _Traits = std::char_traits]
operator>>(int& __n);
^
/usr/include/c++/5/istream:179:7: note: conversion of argument 1 would be ill-formed:
Main.cc:7:14: error: invalid initialization of non-const reference of type 'int&' from an rvalue of type 'int'
cin>>A+10-30*20/5;
^
In file included from /usr/include/c++/5/iostream:40:0,
from Main.cc:1:
/usr/include/c++/5/istream:182:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(unsigned int&) [with _CharT = char; _Traits = std::char_traits; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream]
operator>>(unsigned int& __n)
^
/usr/include/c++/5/istream:182:7: note: conversion of argument 1 would be ill-formed:
Main.cc:7:14: error: invalid initialization of non-const reference of type 'unsigned int&' from an rvalue of type 'unsigned int'
cin>>A+10-30*20/5;
^
In file included from /usr/include/c++/5/iostream:40:0,
from Main.cc:1:
/usr/include/c++/5/istream:186:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long int&) [with _CharT = char; _Traits = std::char_traits; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream]
operator>>(long& __n)
^
/usr/include/c++/5/istream:186:7: note: conversion of argument 1 would be ill-formed:
Main.cc:7:14: error: invalid initialization of non-const reference of type 'long int&' from an rvalue of type 'long int'
cin>>A+10-30*20/5;
^
In file included from /usr/include/c++/5/iostream:40:0,
from Main.cc:1:
/usr/include/c++/5/istream:190:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long unsigned int&) [with _CharT = char; _Traits = std::char_traits; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream]
operator>>(unsigned long& __n)
^
/usr/include/c++/5/istream:190:7: note: conversion of argument 1 would be ill-formed:
Main.cc:7:14: error: invalid initialization of non-const reference of type 'long unsigned int&' from an rvalue of type 'long unsigned int'
cin>>A+10-30*20/5;
^
In file included from /usr/include/c++/5/iostream:40:0,
from Main.cc:1:
/usr/include/c++/5/istream:195:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long int&) [with _CharT = char; _Traits = std::char_traits; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream]
operator>>(long long& __n)
^
/usr/include/c++/5/istream:195:7: note: conversion of argument 1 would be ill-formed:
Main.cc:7:14: error: invalid initialization of non-const reference of type 'long long int&' from an rvalue of type 'long long int'
cin>>A+10-30*20/5;
^
In file included from /usr/include/c++/5/iostream:40:0,
from Main.cc:1:
/usr/include/c++/5/istream:199:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long unsigned int&) [with _CharT = char; _Traits = std::char_traits; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream]
operator>>(unsigned long long& __n)
^
/usr/include/c++/5/istream:199:7: note: conversion of argument 1 would be ill-formed:
Main.cc:7:14: error: invalid initialization of non-const reference of type 'long long unsigned int&' from an rvalue of type 'long long unsigned int'
cin>>A+10-30*20/5;
^
In file included from /usr/include/c++/5/iostream:40:0,
from Main.cc:1:
/usr/include/c++/5/istream:214:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(float&) [with _CharT = char; _Traits = std::char_traits; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream]
operator>>(float& __f)
^
/usr/include/c++/5/istream:214:7: note: conversion of argument 1 would be ill-formed:
Main.cc:7:14: error: invalid initialization of non-const reference of type 'float&' from an rvalue of type 'float'
cin>>A+10-30*20/5;
^
In file included from /usr/include/c++/5/iostream:40:0,
from Main.cc:1:
/usr/include/c++/5/istream:218:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(double&) [with _CharT = char; _Traits = std::char_traits; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream]
operator>>(double& __f)
^
/usr/include/c++/5/istream:218:7: note: conversion of argument 1 would be ill-formed:
Main.cc:7:14: error: invalid initialization of non-const reference of type 'double&' from an rvalue of type 'double'
cin>>A+10-30*20/5;
^
In file included from /usr/include/c++/5/iostream:40:0,
from Main.cc:1:
/usr/include/c++/5/istream:222:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long double&) [with _CharT = char; _Traits = std::char_traits; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream]
operator>>(long double& __f)
^
/usr/include/c++/5/istream:222:7: note: conversion of argument 1 would be ill-formed:
Main.cc:7:14: error: invalid initialization of non-const reference of type 'long double&' from an rvalue of type 'long double'
cin>>A+10-30*20/5;
^
In file included from /usr/include/c++/5/iostream:40:0,
from Main.cc:1:
/usr/include/c++/5/istream:235:7: note: candidate: std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(void*&) [with _CharT = char; _Traits = std::char_traits; std::basic_istream<_CharT, _Traits>::__istream_type = std::basic_istream]
operator>>(void*& __p)
^
/usr/include/c++/5/istream:235:7: note: conversion of argument 1 would be ill-formed:
Main.cc:7:14: error: invalid conversion from 'int' to 'void*' [-fpermissive]
cin>>A+10-30*20/5;
^
Main.cc:7:14: error: cannot bind rvalue '(void*)((long int)(A + -110))' to 'void*&'
In file included from /usr/include/c++/5/iostream:40:0,
from Main.cc:1:
/usr/include/c++/5/istream:259:7: note: candidate: std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(std::basic_istream<_CharT, _Traits>::__streambuf_type*) [with _CharT = char; _Traits = std::char_traits; std::basic_istream<_CharT, _Traits>::__streambuf_type = std::basic_streambuf]
operator>>(__streambuf_type* __sb);
^
/usr/include/c++/5/istream:259:7: note: conversion of argument 1 would be ill-formed:
Main.cc:7:14: error: invalid conversion from 'int' to 'std::basic_istream::__streambuf_type* {aka std::basic_streambuf*}' [-fpermissive]
cin>>A+10-30*20/5;
^
Main.cc:7:8: note: candidate: operator>>(int, int)
cin>>A+10-30*20/5;
^
Main.cc:7:8: note: no known conversion for argument 1 from 'std::istream {aka std::basic_istream}' to 'int'
In file included from /usr/include/c++/5/string:53:0,
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/c++/5/bits/basic_string.tcc:1441:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)
operator>>(basic_istream<_CharT, _Traits>& __in,
^
/usr/include/c++/5/bits/basic_string.tcc:1441:5: note: template argument deduction/substitution failed:
Main.cc:7:21: note: mismatched types 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' and 'int'
cin>>A+10-30*20/5;
^
In file included from /usr/include/c++/5/istream:934:0,
from /usr/include/c++/5/iostream:40,
from Main.cc:1:
/usr/include/c++/5/bits/istream.tcc:955:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, _CharT2*)
operator>>(basic_istream<_CharT, _Traits>& __in, _CharT* __s)
^
/usr/include/c++/5/bits/istream.tcc:955:5: note: template argument deduction/substitution failed:
Main.cc:7:21: note: mismatched types '_CharT2*' and 'int'
cin>>A+10-30*20/5;
^
In file included from /usr/include/c++/5/istream:934:0,
from /usr/include/c++/5/iostream:40,
from Main.cc:1:
/usr/include/c++/5/bits/istream.tcc:923:5: note: candidate: template std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, _CharT&)
operator>>(basic_istream<_CharT, _Traits>& __in, _CharT& __c)
^
/usr/include/c++/5/bits/istream.tcc:923:5: note: template argument deduction/substitution failed:
Main.cc:7:21: note: deduced conflicting types for parameter '_CharT' ('char' and 'int')
cin>>A+10-30*20/5;
^
In file included from /usr/include/c++/5/iostream:40:0,
from Main.cc:1:
/usr/include/c++/5/istream:756:5: note: candidate: template std::basic_istream& std::operator>>(std::basic_istream&, unsigned char&)
operator>>(basic_istream& __in, unsigned char& __c)
^
/usr/include/c++/5/istream:756:5: note: template argument deduction/substitution failed:
Main.cc:7:14: note: cannot convert '(A + -110)' (type 'int') to type 'unsigned char&'
cin>>A+10-30*20/5;
^
In file included from /usr/include/c++/5/iostream:40:0,
from Main.cc:1:
/usr/include/c++/5/istream:761:5: note: candidate: template std::basic_istream& std::operator>>(std::basic_istream&, signed char&)
operator>>(basic_istream& __in, signed char& __c)
^
/usr/include/c++/5/istream:761:5: note: template argument deduction/substitution failed:
Main.cc:7:14: note: cannot convert '(A + -110)' (type 'int') to type 'signed char&'
cin>>A+10-30*20/5;
^
In file included from /usr/include/c++/5/iostream:40:0,
from Main.cc:1:
/usr/include/c++/5/istream:803:5: note: candidate: template std::basic_istream& std::operator>>(std::basic_istream&, unsigned char*)
operator>>(basic_istream& __in, unsigned char* __s)
^
/usr/include/c++/5/istream:803:5: note: template argument deduction/substitution failed:
Main.cc:7:14: note: cannot convert '(A + -110)' (type 'int') to type 'unsigned char*'
cin>>A+10-30*20/5;
^
In file included from /usr/include/c++/5/iostream:40:0,
from Main.cc:1:
/usr/include/c++/5/istream:808:5: note: candidate: template std::basic_istream& std::operator>>(std::basic_istream&, signed char*)
operator>>(basic_istream& __in, signed char* __s)
^
/usr/include/c++/5/istream:808:5: note: template argument deduction/substitution failed:
Main.cc:7:14: note: cannot convert '(A + -110)' (type 'int') to type 'signed char*'
cin>>A+10-30*20/5;
^
In file included from /usr/include/c++/5/iostream:40:0,
from Main.cc:1:
/usr/include/c++/5/istream:924:5: note: candidate: std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&&, _Tp&) [with _CharT = char; _Traits = std::char_traits; _Tp = int]
operator>>(basic_istream<_CharT, _Traits>&& __is, _Tp& __x)
^
/usr/include/c++/5/istream:924:5: note: conversion of argument 2 would be ill-formed:
Main.cc:7:14: error: invalid initialization of non-const reference of type 'int&' from an rvalue of type 'int'
cin>>A+10-30*20/5;
^
Main.cc:7:14: warning: suggest parentheses around '-' inside '>>' [-Wparentheses]