Eroare de compilare: main.cpp:74:25: warning: character constant too long for its type FILE * fout = fopen('exp.txt','w'); ^~~~~~~~~ main.cpp: In function 'std::vector<int> BigMulty(const std::vector<int>&, const std::vector<int>&)': main.cpp:17:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i < B.size(); ++i ) ~~^~~~~~~~~~ main.cpp:19:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int j = 0; j < A.size(); ++j ) ~~^~~~~~~~~~ main.cpp:27:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i < ans.size(); ++i ) ~~^~~~~~~~~~~~ main.cpp:16:9: warning: unused variable 't' [-Wunused-variable] int t = 0; ^ main.cpp: In function 'std::vector<int> BigAdd(const std::vector<int>&, const std::vector<int>&)': main.cpp:58:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if( i < A.size() ) ans[i] += A[i]; ~~^~~~~~~~~~ main.cpp:59:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if( i < B.size() ) ans[i] += B[i]; ~~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:74:38: error: invalid conversion from 'int' to 'const char*' [-fpermissive] FILE * fout = fopen('exp.txt','w'); ^ In file included from /usr/include/c++/6/cstdio:42:0, from /usr/include/c++/6/ext/string_conversions.h:43, from /usr/include/c++/6/bits/basic_string.h:5420, from /usr/include/c++/6/string:52, from /usr/include/c++/6/bits/locale_classes.h:40, from /usr/include/c++/6/bits/ios_base.h:41, from /usr/include/c++/6/ios:42, from /usr/include/c++/6/istream:38, from /usr/include/c++/6/fstream:38, from main.cpp:1: /usr/include/stdio.h:272:14: note: initializing argument 1 of 'FILE* fopen(const char*, const char*)' extern FILE *fopen (const char *__restrict __filename, ^~~~~ main.cpp:74:38: error: invalid conversion from 'char' to 'const char*' [-fpermissive] FILE * fout = fopen('exp.txt','w'); ^ In file included from /usr/include/c++/6/cstdio:42:0, from /usr/include/c++/6/ext/string_conversions.h:43, from /usr/include/c++/6/bits/basic_string.h:5420, from /usr/include/c++/6/string:52, from /usr/include/c++/6/bits/locale_classes.h:40, from /usr/include/c++/6/bits/ios_base.h:41, from /usr/include/c++/6/ios:42, Non zero exit status: 1