运行 ID: 140426

Main.cc: In function ‘int main()’:
Main.cc:13:17: error: ‘longest’ was not declared in this scope
     l=max(dp[i],longest);
                 ^~~~~~~
Main.cc:13:17: note: suggested alternative: ‘longjmp’
     l=max(dp[i],longest);
                 ^~~~~~~
                 longjmp