이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define int long long
#define all(v) v.begin(),v.end()
#define pii pair<int,int>
#define F first
#define S second
template<typename T>
void dbg(const T& t){
cout<<t<<endl;
}
template<typename T,typename... Args>
void dbg(const T& t,const Args&... args){
cout<<t<<" , ";
dbg(args...);
}
#define dbg(...) cout<<"("<<#__VA_ARGS__<<") : ";dbg(__VA_ARGS__);
const int maxn=1e5+100;
int n,k;
int pref[maxn];
int v[maxn];
int sum(int l,int r){
if(l>r) return 0LL;
if(l==0) return pref[r];
return pref[r]-pref[l-1];
}
signed main(){
cin>>n>>k;
for(int i=1;i<=n;i++){
cin>>v[i];
}
for(int i=1;i<=n;i++){
pref[i]=v[i];
if(i) pref[i]+=pref[i-1];
}
int dp[n+1][k+1];
memset(dp,0,sizeof(dp));
for(int i=0;i<=n;i++) for(int j=0;j<=k;j++) dp[i][j]=-1e18;
dp[0][0]=0;
int ans=0;
int cost[n+1][k+1];memset(cost,0,sizeof(cost));
for(int i=1;i<=n;i++){
for(int j=i;j>=1;j--){
for(int t=k;t>=1;t--){
int x=dp[j-1][t-1]+sum(j,i)*sum(i+1,n);
if(dp[i][t]<x){
dp[i][t]=x;
cost[i][t]=sum(j,i)*sum(i+1,n);
}
dp[i][t]=max(dp[i][t],x);
ans=max(ans,dp[i][t]);
}
}
}
cout<<ans<<endl;
vector<int> a;
int t=k;
for(int i=n;i>=1;i--){
if(dp[i][t]==ans){
a.pb(i);
ans-=cost[i][t];
t--;
}
}
reverse(all(a));
for(auto x:a){
cout<<x<<" ";
}
cout<<endl;
return 0;
}
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |