Submission #954094

#TimeUsernameProblemLanguageResultExecution timeMemory
954094dwuyBali Sculptures (APIO15_sculpture)C++17
37 / 100
7 ms1112 KiB
/** - dwuy -       />  フ       |  _  _|       /`ミ _x ノ      /      |     /  ヽ   ?  / ̄|   | | |  | ( ̄ヽ__ヽ_)_)  \二つ **/ #include <bits/stdc++.h> #define fastIO ios_base::sync_with_stdio(false); cin.tie(NULL) #define file(a) freopen(a".inp","r",stdin); freopen(a".out", "w",stdout) #define fi first #define se second #define endl "\n" #define len(s) int32_t(s.length()) #define MASK(k)(1LL<<(k)) #define TASK "test" #define int long long using namespace std; typedef tuple<int, int, int> tpiii; typedef pair<double, double> pdd; typedef pair<int, int> pii; typedef long long ll; const long long OO = 1e18; const int MOD = 1e9 + 7; const int INF = 1e9; const int MX = 2005; int n, L, R; int a[MX]; void nhap(){ cin >> n >> L >> R; for(int i=1; i<=n; i++) cin >> a[i]; } void solve(){ int ans = 0; for(int mask=MASK(30); mask; mask>>=1){ bitset<MX> f[MX] = {0}; f[0][0] = 1; for(int i=1; i<=n; i++){ int sum = 0; for(int j=i; j>=1; j--){ sum += a[j]; int tmp = sum&(-1^(mask-1)); if((tmp|ans) == ans){ f[i] |= f[j-1]<<1; } } } bool ok = 0; for(int i=L; i<=R; i++) ok |= f[n][i]; if(!ok) ans |= mask; } cout << ans; } int32_t main(){ fastIO; //file(TASK); nhap(); solve(); return 0; }
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