运行 ID: 26328

Main.cc: In function ‘int kto10(char*, int)’:
Main.cc:8:15: error: ‘strlen’ was not declared in this scope
  for (int i = strlen(chnum) - 1; i >= 0; i--) {
               ^~~~~~
Main.cc:8:15: note: suggested alternative: ‘mbrlen’
  for (int i = strlen(chnum) - 1; i >= 0; i--) {
               ^~~~~~
               mbrlen