Submission #1260132

#TimeUsernameProblemLanguageResultExecution timeMemory
1260132yf_yusufBali Sculptures (APIO15_sculpture)C++20
100 / 100
230 ms772 KiB
//```// YF YUSUF #define YF ios_base::sync_with_stdio(0);cout.setf(ios::fixed); #define YUSUF cout.precision(0);cout.tie(0);cin.tie(0); // #include <bits/stdc++.h> #include <iostream> #include <vector> #include <set> #include <map> #include <algorithm> #include <unordered_map> #include <cmath> #include <numeric> #include <queue> #include <stack> #include <cassert> #include <climits> #include <string> #include <cstdlib> using namespace std; #ifdef YF_CHECK bool Output=1; // #include "g/debug.h" // #include "g/bigint.h" // #include "g/text.h" #else #pragma GCC optimize ("unroll-loops") #pragma GCC optimize ("inline") #pragma GCC optimize ("Ofast") #pragma GCC optimize ("O3") bool Output=0; #define deb(x...) 42 #endif #ifdef DEV bool LOUT=1; #else bool LOUT=0; #endif using ll = long long; using ld = long double; using sll = set <ll>; using vll = vector <ll>; using mll = map <ll,ll>; using pll = pair <ll,ll>; using vvl = vector <vll>; using vpll = vector <pll>; template<class T>T MIN(T&a,T b){a=min(a,b);return a;} template<class T>T MAX(T&a,T b){a=max(a,b);return a;} #define revers(a) reverse(all(a)) #define all(a) a.begin(),a.end() #define sortt(a) sort(all(a)) #define sgr v+v+1,(tl+tr)/2+1,tr #define sgl v+v,tl,(tl+tr)/2 #define pb push_back #define ins insert #define S second #define F first ll BP(ll a,ll b,ll mod=1e9+7){ if(b==0)return 1; ll q=BP(a,b/2,mod); return ((q*q)%mod*(b%2?a:1ll))%mod; } ll f(ll x){return x*(x+1)/2;} ll dup(ll a,ll b){return (a+b-1)/b;} ll lcm(ll a,ll b){return a/__gcd(a,b)*b;} ll invf(ll x){return (-1+sqrt(1+8*x))/2;} const ll mod=998244353; const ll INF=1e18; const ll inf=1e9+7; const ll N =1e6+7; void YF_MAIN(ll TEST){ ll n,L,R; cin>>n>>L>>R; vector<ll> a(n+1,0),p(n+1,0); for(int i=1;i<=n;i++){ cin>>a[i]; p[i] = p[i-1] + a[i]; } ll mxsum = (1ll<<42)-1; ll ans = 0; for(int bit = 41;bit >= 0;bit--){ ll mask = (ans | ((1ll<<bit)-1)); set<ll> dp[n+1]; dp[0] = {0}; for(int i=0;i<n;i++){ bool was = 0; vll del; for(auto j : dp[i]){ if(!was){ if(j>=L)was = 1; continue; } del.pb(j); } for(auto j : del)dp[i].erase(j); for(int j=i+1;j<=n;j++){ ll sum = p[j] - p[i]; if((sum & (~mask)))continue; for(auto i : dp[i]){ dp[j].ins(i+1); } } } bool can = 0; for(auto i : dp[n]){ if(L<=i && i<=R){ can = 1; break; } } if(!can){ ans |= (1ll<<bit); } } cout<<ans; } bool TECT=0; bool CASE=0; bool OUTP=0; const ll LN=1e1 + 7; ll lg[LN]; const ll SN=2e1 + 7; ll SM[SN]; const ll FN=2e1 + 7; ll FACT[FN],inv[FN],FMOD=inf; ll PER(ll n,ll k){return FACT[n] *inv[n-k]%FMOD;} ll CNK(ll n,ll k){return PER(n,k)*inv[k ]%FMOD;} void BEFORE(){ for(ll i=2;i<SN;i++){ if(SM[i])continue; for(ll j=i;j<SN;j+=i) MAX(SM[j],i); } for(int i=2;i<LN;i++) lg[i]=lg[i/2]+1; FACT[0]=inv[0]=1; for(int i=1;i<FN;i++){ FACT[i]=FACT[i-1]*i%FMOD; if(i<5e5+7)inv[i]=BP(FACT[i],FMOD-2,FMOD); } } signed main(){ if(OUTP){YF YUSUF} // freopen((".in"),"r",stdin);freopen((".out"),"w",stdout); cout<<(LOUT && Output ? "\nYF_OUTPUT:\n\n" : ""); int TEST=1; if(TECT) cin>>TEST; BEFORE(); for(int T=1;T<=TEST;T++){ if(CASE) cout<<"Case "<<T<<": "; YF_MAIN(T); cout<<(T==TEST ? "" : "\n"); } return 0; } //```
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