Record Detail

#	Status	Time Cost	Memory Cost
#1	Accepted	1ms	540.0 KiB
#2	Accepted	1ms	376.0 KiB
#3	Accepted	1ms	516.0 KiB
#4	Accepted	1ms	404.0 KiB
#5	Accepted	1ms	516.0 KiB
#6	Accepted	1ms	488.0 KiB
#7	Accepted	1ms	540.0 KiB
#8	Accepted	1ms	588.0 KiB
#9	Accepted	1ms	540.0 KiB
#10	Accepted	1ms	516.0 KiB
#11	Accepted	1ms	588.0 KiB
#12	Accepted	1ms	584.0 KiB
#13	Accepted	1ms	540.0 KiB
#14	Accepted	1ms	516.0 KiB
#15	Accepted	1ms	376.0 KiB

#include<bits/stdc++.h>
using namespace std;

int main(){
    int N;
    cin>>N;
    cout<<2*N-1;

    return 0;
}

Accepted