运行 ID: 144584

Main.cc: In function ‘int main()’:
Main.cc:13:2: error: ‘cin’ was not declared in this scope
  cin >> m >> n;
  ^~~
Main.cc:13:2: note: suggested alternative: ‘sin’
  cin >> m >> n;
  ^~~
  sin
Main.cc:21:2: error: ‘cout’ was not declared in this scope
  cout << dp[m]; 
  ^~~~
Main.cc:21:2: note: suggested alternative: ‘cosl’
  cout << dp[m]; 
  ^~~~
  cosl