Eroare de compilare: main.cpp: In function 'int main()': main.cpp:83:18: error: conflicting declaration 'std::vector<int> in' vector<int> in(n); ^ main.cpp:78:11: note: previous declaration as 'FILE* in' FILE *in=fopen("permsort2.in","r"),*out=fopen("permsort2.out","w"); ^~ main.cpp:85:17: error: no match for 'operator=' (operand types are 'FILE {aka _IO_FILE}' and 'int') in[i]=i+1; ^ In file included from /usr/include/stdio.h:74:0, from /usr/include/c++/6/cstdio:42, from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:46, from main.cpp:1: /usr/include/libio.h:241:8: note: candidate: constexpr _IO_FILE& _IO_FILE::operator=(const _IO_FILE&) struct _IO_FILE { ^~~~~~~~ /usr/include/libio.h:241:8: note: no known conversion for argument 1 from 'int' to 'const _IO_FILE&' /usr/include/libio.h:241:8: note: candidate: constexpr _IO_FILE& _IO_FILE::operator=(_IO_FILE&&) /usr/include/libio.h:241:8: note: no known conversion for argument 1 from 'int' to '_IO_FILE&&' main.cpp:12:18: error: request for member 'begin' in 'in', which is of pointer type 'FILE* {aka _IO_FILE*}' (maybe you meant to use '->' ?) #define all(x) x.begin(), x.end() ^ main.cpp:86:13: note: in expansion of macro 'all' shuffle(all(in),rng); ^~~ main.cpp:12:29: error: request for member 'end' in 'in', which is of pointer type 'FILE* {aka _IO_FILE*}' (maybe you meant to use '->' ?) #define all(x) x.begin(), x.end() ^ main.cpp:86:13: note: in expansion of macro 'all' shuffle(all(in),rng); ^~~ main.cpp:90:25: error: 'a' was not declared in this scope fscanf(in,"%i",&a); ^ main.cpp:79:20: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%i",&n); ^ Non zero exit status: 1