#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include //eolibraries #define lnf 3999999999999999999 #define inf 3999999999999999999 #define PI 3.14159265359 #define endl "\n" #define fi first #define se second #define pb push_back #define eb emplace_back #define ll long long #define all(c) (c).begin(),(c).end() #define sz(c) (ll)(c).size() #define mkp(a,b) make_pair(a,b) #define make_unique(a) sort(all(a)),a.erase(unique(all(a)),a.end()) #define rsz(a,n) a.resize(n) #define pii pair #define rep(i,n) for(ll i = 0 ; i < n ; i++) #define drep(i,n) for(ll i = n-1 ; i >= 0 ; i--) #define crep(i,x,n) for(ll i = x ; i < n ; i++) #define vi vector #define vec(s) vector #define rsz(a,n) a.resize(n) #define rszv(a,n,v) a.resize(n,v) #define fcin ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0); //eodefine const ll max_n = 2005; using namespace std; ll n,m; vi a; pii dp[max_n][max_n]; int main(){ fcin; cin>>n>>m; n++; a.resize(n,0); rep(i,n) { cin>>a[i]; } a.pb(0); rep(i,n) { rep(j,m+2) dp[i][j]={-inf,-1}; } dp[0][0]={0,0}; rep(i,n) { rep(j,m+1) { dp[i+1][j].fi = dp[i][j].fi + (j%2!=0 ? -a[i] : a[i]); dp[i+1][j].se = 0; } rep(j,m+1) { if(dp[i+1][j+1].fi < dp[i][j].fi + ((j+1)%2!=0?-a[i]:a[i])) { dp[i+1][j+1].fi = dp[i][j].fi + ((j+1)%2!=0?-a[i]:a[i]); dp[i+1][j+1].se = 1; } } } ll mx=0,nj=-1; rep(j,m+1) { if(dp[n][j].fi>mx) { mx=dp[n][j].fi; nj=j; } } ll i=n,j=nj; vi ans; while(i>0) { if(dp[i][j].se == 1) {ans.pb(i-1); j--;} i--; } while(sz(ans)