Eroare de compilare: main.cpp:4:9: error: 'int time' redeclared as different kind of entity 4 | int n,m,time,coins; | ^~~~ In file included from /usr/include/c++/12.2.1/ctime:42, from /usr/include/c++/12.2.1/x86_64-pc-linux-gnu/bits/stdc++.h:49, from main.cpp:1: /usr/include/time.h:76:15: note: previous declaration 'time_t time(time_t*)' 76 | extern time_t time (time_t *__timer) __THROW; | ^~~~ main.cpp: In function 'int main()': main.cpp:11:23: error: no match for 'operator>>' (operand types are 'std::ifstream' {aka 'std::basic_ifstream<char>'} and 'time_t(time_t*) noexcept' {aka 'long int(long int*) noexcept'}) 11 | { in>>time>>coins; | ~~^~~~~~ | | | | | time_t(time_t*) noexcept {aka long int(long int*) noexcept} | std::ifstream {aka std::basic_ifstream<char>} In file included from /usr/include/c++/12.2.1/sstream:38, from /usr/include/c++/12.2.1/complex:45, from /usr/include/c++/12.2.1/ccomplex:39, from /usr/include/c++/12.2.1/x86_64-pc-linux-gnu/bits/stdc++.h:54: /usr/include/c++/12.2.1/istream:120:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(__istream_type& (*)(__istream_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match) 120 | operator>>(__istream_type& (*__pf)(__istream_type&)) | ^~~~~~~~ /usr/include/c++/12.2.1/istream:120:7: note: conversion of argument 1 would be ill-formed: main.cpp:11:25: error: invalid conversion from 'time_t (*)(time_t*) noexcept' {aka 'long int (*)(long int*) noexcept'} to 'std::basic_istream<char>::__istream_type& (*)(std::basic_istream<char>::__istream_type&)' {aka 'std::basic_istream<char>& (*)(std::basic_istream<char>&)'} [-fpermissive] 11 | { in>>time>>coins; | ^~~~ | | | time_t (*)(time_t*) noexcept {aka long int (*)(long int*) noexcept} /usr/include/c++/12.2.1/istream:124:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(__ios_type& (*)(__ios_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>; __ios_type = std::basic_ios<char>]' (near match) 124 | operator>>(__ios_type& (*__pf)(__ios_type&)) | ^~~~~~~~ /usr/include/c++/12.2.1/istream:124:7: note: conversion of argument 1 would be ill-formed: main.cpp:11:25: error: invalid conversion from 'time_t (*)(time_t*) noexcept' {aka 'long int (*)(long int*) noexcept'} to 'std::basic_istream<char>::__ios_type& (*)(std::basic_istream<char>::__ios_type&)' {aka 'std::basic_ios<char>& (*)(std::basic_ios<char>&)'} [-fpermissive] 11 | { in>>time>>coins; | ^~~~ | | | time_t (*)(time_t*) noexcept {aka long int (*)(long int*) noexcept} /usr/include/c++/12.2.1/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<char>; __istream_type = std::basic_istream<char>]' (near match) 131 | operator>>(ios_base& (*__pf)(ios_base&)) | ^~~~~~~~ /usr/include/c++/12.2.1/istream:131:7: note: conversion of argument 1 would be ill-formed: main.cpp:11:25: error: invalid conversion from 'time_t (*)(time_t*) noexcept' {aka 'long int (*)(long int*) noexcept'} to 'std::ios_base& (*)(std::ios_base&)' [-fpermissive] 11 | { in>>time>>coins; | ^~~~ | | | time_t (*)(time_t*) noexcept {aka long int (*)(long int*) noexcept} /usr/include/c++/12.2.1/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<char>; __istream_type = std::basic_istream<char>]' (near match) 168 | operator>>(bool& __n) | ^~~~~~~~ Non zero exit status: 1