#include <bits/stdc++.h>
using namespace std;
// macros
typedef long long ll;
typedef long double ld;
typedef pair<int, int> ii;
typedef pair<ll, ll> lll;
typedef tuple<int, int, int> iii;
typedef vector<int> vi;
typedef vector<ii> vii;
typedef vector<iii> viii;
typedef vector<ll> vll;
typedef vector<lll> vlll;
#define REP(a,b,c) for(int a=int(b); a<int(c); a++)
#define RE(a,c) REP(a,0,c)
#define RE1(a,c) REP(a,1,c+1)
#define REI(a,b,c) REP(a,b,c+1)
#define REV(a,b,c) for(int a=int(c-1); a>=int(b); a--)
#define FOR(a,b) for(auto& a : b)
#define all(a) a.begin(), a.end()
#define INF 1e18
#define EPS 1e-9
#define pb push_back
#define popb pop_back
#define fi first
#define se second
#define sz size()
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
// input
template<class T> void IN(T& x) {cin >> x;}
template<class H, class... T> void IN(H& h, T&... t) {IN(h); IN(t...); }
// output
template<class T1, class T2> void OUT(const pair<T1,T2>& x);
template<class T> void OUT(const vector<T>& x);
template<class T> void OUT(const T& x) {cout << x;}
template<class H, class... T> void OUT(const H& h, const T&... t) {OUT(h); OUT(t...); }
template<class T1, class T2> void OUT(const pair<T1,T2>& x) {OUT(x.fi,' ',x.se);}
template<class T> void OUT(const vector<T>& x) {RE(i,x.size()) OUT(i==0?"":" ",x[i]);}
template<class... T> void OUTL(const T&... t) {OUT(t..., "\n"); }
template<class H> void OUTLS(const H& h) {OUTL(h); }
template<class H, class... T> void OUTLS(const H& h, const T&... t) {OUT(h,' '); OUTLS(t...); }
//===================//
// Added libraries //
//===================//
//===================//
//end added libraries//
//===================//
void program();
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
program();
}
//===================//
// begin program //
//===================//
const int MX = 1e6;
ll n, k;
vll seq;
ll a[MX], sm[MX];
ll dp[MX][201], dpr[MX][201];
ll get(int i, int j) {
if(j < 0) return 0ll;
return dp[i][j];
}
void fillSeq(int i, int j) {
if(j < 0) return;
seq.pb(dpr[i][j]+1);
fillSeq(dpr[i][j], j-1);
}
void daq(int j, int l, int r, int lopt, int ropt) {
if(r<l) return;
int m=(l+r)/2;
dp[m][j] = -INF;
REP(i,lopt,min(m,ropt)+1) {
ll ndp = (sm[m+1]-sm[i])*sm[i] + get(i-1,j-1);
if(ndp > dp[m][j]) {
dp [m][j] = ndp;
dpr[m][j] = i-1;
}
}
int opt = dpr[m][j]+1;
daq(j,l,m-1,lopt,opt);
daq(j,m+1,r,opt,ropt);
}
void program() {
IN(n,k);
RE(i,n) IN(a[i]);
sm[0]=0;
RE(i,n) sm[i+1]=sm[i]+a[i];
RE(j,k) daq(j,0,n-1,1,n-1);
OUTL(dp[n-1][k-1]);
fillSeq(n-1, k-1);
OUTLS(seq);
}
Compilation message
/usr/lib/gcc/x86_64-linux-gnu/9/libstdc++.a(ios_init.o): In function `std::ios_base::Init::Init()':
(.text._ZNSt8ios_base4InitC2Ev+0x19): relocation truncated to fit: R_X86_64_32S against symbol `std::ios_base::Init::_S_refcount' defined in .bss._ZNSt8ios_base4Init11_S_refcountE section in /usr/lib/gcc/x86_64-linux-gnu/9/libstdc++.a(ios.o)
/usr/lib/gcc/x86_64-linux-gnu/9/libstdc++.a(ios_init.o): In function `std::ios_base::Init::Init()':
(.text._ZNSt8ios_base4InitC2Ev+0x59): relocation truncated to fit: R_X86_64_PC32 against symbol `__gnu_internal::buf_cout_sync' defined in .bss._ZN14__gnu_internal13buf_cout_syncE section in /usr/lib/gcc/x86_64-linux-gnu/9/libstdc++.a(globals_io.o)
/usr/lib/gcc/x86_64-linux-gnu/9/libstdc++.a(ios_init.o): In function `std::ios_base::Init::Init()':
(.text._ZNSt8ios_base4InitC2Ev+0x60): relocation truncated to fit: R_X86_64_PC32 against symbol `__gnu_internal::buf_cout_sync' defined in .bss._ZN14__gnu_internal13buf_cout_syncE section in /usr/lib/gcc/x86_64-linux-gnu/9/libstdc++.a(globals_io.o)
/usr/lib/gcc/x86_64-linux-gnu/9/libstdc++.a(ios_init.o): In function `std::ios_base::Init::Init()':
(.text._ZNSt8ios_base4InitC2Ev+0x6b): relocation truncated to fit: R_X86_64_PC32 against symbol `__gnu_internal::buf_cout_sync' defined in .bss._ZN14__gnu_internal13buf_cout_syncE section in /usr/lib/gcc/x86_64-linux-gnu/9/libstdc++.a(globals_io.o)
/usr/lib/gcc/x86_64-linux-gnu/9/libstdc++.a(ios_init.o): In function `std::ios_base::Init::Init()':
(.text._ZNSt8ios_base4InitC2Ev+0x80): relocation truncated to fit: R_X86_64_PC32 against symbol `__gnu_internal::buf_cout_sync' defined in .bss._ZN14__gnu_internal13buf_cout_syncE section in /usr/lib/gcc/x86_64-linux-gnu/9/libstdc++.a(globals_io.o)
/usr/lib/gcc/x86_64-linux-gnu/9/libstdc++.a(ios_init.o): In function `std::ios_base::Init::Init()':
(.text._ZNSt8ios_base4InitC2Ev+0x8b): relocation truncated to fit: R_X86_64_PC32 against symbol `__gnu_internal::buf_cout_sync' defined in .bss._ZN14__gnu_internal13buf_cout_syncE section in /usr/lib/gcc/x86_64-linux-gnu/9/libstdc++.a(globals_io.o)
/usr/lib/gcc/x86_64-linux-gnu/9/libstdc++.a(ios_init.o): In function `std::ios_base::Init::Init()':
(.text._ZNSt8ios_base4InitC2Ev+0xa0): relocation truncated to fit: R_X86_64_PC32 against symbol `__gnu_internal::buf_cout_sync' defined in .bss._ZN14__gnu_internal13buf_cout_syncE section in /usr/lib/gcc/x86_64-linux-gnu/9/libstdc++.a(globals_io.o)
/usr/lib/gcc/x86_64-linux-gnu/9/libstdc++.a(ios_init.o): In function `std::ios_base::Init::Init()':
(.text._ZNSt8ios_base4InitC2Ev+0xab): relocation truncated to fit: R_X86_64_PC32 against symbol `__gnu_internal::buf_cout_sync' defined in .bss._ZN14__gnu_internal13buf_cout_syncE section in /usr/lib/gcc/x86_64-linux-gnu/9/libstdc++.a(globals_io.o)
/usr/lib/gcc/x86_64-linux-gnu/9/libstdc++.a(ios_init.o): In function `std::ios_base::Init::Init()':
(.text._ZNSt8ios_base4InitC2Ev+0xba): relocation truncated to fit: R_X86_64_PC32 against symbol `__gnu_internal::buf_cout_sync' defined in .bss._ZN14__gnu_internal13buf_cout_syncE section in /usr/lib/gcc/x86_64-linux-gnu/9/libstdc++.a(globals_io.o)
/usr/lib/gcc/x86_64-linux-gnu/9/libstdc++.a(ios_init.o): In function `std::ios_base::Init::Init()':
(.text._ZNSt8ios_base4InitC2Ev+0xcd): relocation truncated to fit: R_X86_64_PC32 against symbol `__gnu_internal::buf_cin_sync' defined in .bss._ZN14__gnu_internal12buf_cin_syncE section in /usr/lib/gcc/x86_64-linux-gnu/9/libstdc++.a(globals_io.o)
/usr/lib/gcc/x86_64-linux-gnu/9/libstdc++.a(ios_init.o): In function `std::ios_base::Init::Init()':
(.text._ZNSt8ios_base4InitC2Ev+0xd4): additional relocation overflows omitted from the output
collect2: error: ld returned 1 exit status
