제출 #477241

#제출 시각아이디문제언어결과실행 시간메모리
477241niloyrootFeast (NOI19_feast)C++14
4 / 100
40 ms312 KiB
#include <bits/stdc++.h>
using namespace std;
#define forp(i,a,b) for(int i=a;i<=b;i++)
#define ll long long
#define newl '\n'

void solve(){
    ll n,k; cin>>n>>k;
    ll c,s1=0,s2=0;
    forp(i,1,n){
        cin>>c;
        if(c<0){
            swap(s1,s2);
        } else {
            s1+=c;
        }
    }
    if(k==1){
        cout<<max(s1,s2)<<newl;
    } else {
        cout<<s1+s2<<newl;
    }
}

int main() {
    ios_base::sync_with_stdio(false); 
    cin.tie(NULL); 
    solve();
}
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