제출 #131725

실행 실패 (제출 코드 컴파일 에러)

Main.cpp: In function ‘std::vector<long long int> mult(std::vector<long long int>&, std::vector<long long int>&)’:
Main.cpp:32:16: warning: comparison of integer expressions of different signedness: ‘long long int’ and ‘std::vector<long long int>::size_type’ {aka ‘long unsigned int’} [-Wsign-compare]
   32 |         while(n<a.size()+b.size()) n<<=1;
      |               ~^~~~~~~~~~~~~~~~~~
Main.cpp: In function ‘int main()’:
Main.cpp:51:29: error: ‘br’ was not declared in this scope; did you mean ‘b’?
   51 |                 x=mult(a[i],br);
      |                             ^~
      |                             b