Submission #2215318


Source Code Expand

#include<bits/stdc++.h>
using namespace std;
long long a;
int main()
{
    cin>>a;
    cout<a*2<<endl;
    return 0;
}

Submission Info

Submission Time
Task A - 流行
User luogu_bot2
Language C++ (GCC 5.4.1)
Score 0
Code Size 118 Byte
Status CE

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:7:15: error: invalid operands of types ‘long long int’ and ‘<unresolved overloaded function type>’ to binary ‘operator<<’
     cout<a*2<<endl;
               ^