运行 ID: 89044

Main.cc: In function ‘int main()’:
Main.cc:7:9: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
     if(n=!100)
        ~^~~~~
Main.cc:10:5: error: ‘else’ without a previous ‘if’
     else cout<<"1267650600228229401496703205376";
     ^~~~