제출 #265537

#제출 시각아이디문제언어결과실행 시간메모리
265537tko919수열 (APIO14_sequence)C++17
33 / 100
10 ms2560 KiB
#define _USE_MATH_DEFINES #include <bits/stdc++.h> using namespace std; //template #define rep(i,a,b) for(int i=(int)(a);i<(int)(b);i++) #define ALL(v) (v).begin(),(v).end() typedef long long int ll; const int inf = 0x3fffffff; const ll INF = 0x1fffffffffffffff; const double eps=1e-12; template<typename T>inline bool chmax(T& a,T b){if(a<b){a=b;return 1;}return 0;} template<typename T>inline bool chmin(T& a,T b){if(a>b){a=b;return 1;}return 0;} //end ll dp[201][1010]={},pre[201][1010]; int main(){ int n,k; cin>>n>>k; if(n>1000)return 0; vector<ll> a(n),rui(n+1); rep(i,0,n){ cin>>a[i]; rui[i+1]=a[i]; } rep(i,0,n)rui[i+1]+=rui[i]; rep(i,0,n+1)rep(j,0,k+1)dp[i][j]=-INF; dp[0][0]=0; rep(i,1,k+1)rep(j,1,n)rep(i2,0,j){ ll add=(rui[j]-rui[i2])*(rui[n]-rui[j]); if(chmax(dp[i][j],dp[i-1][i2]+add))pre[i][j]=i2; } ll res=-INF; int pos=-1; rep(i,0,n)if(chmax(res,dp[k][i]))pos=i; cout<<res<<endl; int cur=k; vector<int> ps; while(cur){ ps.push_back(pos); pos=pre[cur][pos]; cur--; } reverse(ALL(ps)); rep(i,0,k)cout<<ps[i]<<endl; return 0; }
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