제출 #80235

실행 실패 (제출 코드 컴파일 에러)

Main.cpp: In function ‘int main()’:
Main.cpp:13:25: error: invalid cast from type ‘std::string’ {aka ‘std::__cxx11::basic_string<char>’} to type ‘size_t’ {aka ‘long unsigned int’}
   13 |     for (int j = 0; j < size_t(num) - 2; j++) {
      |                         ^~~~~~~~~~~
Main.cpp:14:25: warning: comparison of integer expressions of different signedness: ‘int’ and ‘std::__cxx11::basic_string<char>::size_type’ {aka ‘long unsigned int’} [-Wsign-compare]
   14 |       for (int k = 0; k < num.length() - 1; k++) {
      |                       ~~^~~~~~~~~~~~~~~~~~
Main.cpp:15:27: warning: comparison of integer expressions of different signedness: ‘int’ and ‘std::__cxx11::basic_string<char>::size_type’ {aka ‘long unsigned int’} [-Wsign-compare]
   15 |         for (int l = 0; l < num.length(); l++) {
      |                         ~~^~~~~~~~~~~~~~
Main.cpp:16:22: warning: comparison with string literal results in unspecified behavior [-Waddress]
   16 |           if (num[j] == "6" && num[k] == 6 && num[l] == "6") {
Main.cpp:16:22: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
Main.cpp:16:54: warning: comparison with string literal results in unspecified behavior [-Waddress]
   16 |           if (num[j] == "6" && num[k] == 6 && num[l] == "6") {
Main.cpp:16:54: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]