제출 #124362

실행 실패 (제출 코드 컴파일 에러)

Main.cpp: In function ‘int main()’:
Main.cpp:19:9: error: ‘string’ was not declared in this scope
   19 |         string str = to_string(int(pow(2, a)));
      |         ^~~~~~
Main.cpp:4:1: note: ‘std::string’ is defined in header ‘<string>’; did you forget to ‘#include <string>’?
    3 | #include<cmath>
  +++ |+#include <string>
    4 | using namespace std;
Main.cpp:20:5: error: ‘str’ was not declared in this scope; did you mean ‘std’?
   20 |     str[str.length()-1]-=1;
      |     ^~~
      |     std
Main.cpp:18:10: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   18 |     scanf("%d",&a);
      |     ~~~~~^~~~~~~~~