제출 #882607

#제출 시각아이디문제언어결과실행 시간메모리
882607vjudge1Bali Sculptures (APIO15_sculpture)C++17
0 / 100
1 ms2508 KiB
/* Author : Mychecksdead */ #include<bits/stdc++.h> using namespace std; #define ll long long int #define MOD (1000000000+7) #define MOD1 (998244353) #define pb push_back #define all(x) x.begin(), x.end() #define en cout << '\n' const int N = 1e6+100, M = 1e5+10, K = 52, MX = 30; ll n, a, b, A[N], pref[N]; void solve(){ cin >> n >> a >> b; for(int i = 1; i <= n; ++i) cin >> A[i]; pref[0] = 0; for(int i = 1; i <= n; ++i) pref[i] = pref[i - 1] + A[i]; ll ans = 1e18; priority_queue<array<ll, 4>> Q; ll mn = 1e18, split = 1; for(int i = 1; i <= n; ++i){ if(mn > (pref[i] | (pref[n] - pref[i]))) split = i, mn = pref[i] | (pref[n] - pref[i]); } Q.push({-mn, split, 1, n}); int x = 0; ans = 0; while(!Q.empty() && x < b){ int l = Q.top()[2], r = Q.top()[3], spl = Q.top()[1]; if(pref[r] - pref[l - 1] <= -Q.top()[0]){ ans |= pref[r] - pref[l - 1]; Q.pop(); continue; } Q.pop(); int vl = l, vr = spl; int pl = spl + 1, pr = r; l = vl, r = vr; ll mn = pref[r] - pref[l - 1]; ll split = l; for(int j = l; j <= r; ++j){ if(mn > ((pref[j] - pref[l - 1]) | (pref[r] - pref[j]))) split = j, mn = ((pref[j] - pref[l - 1]) | (pref[r] - pref[j])); } Q.push({-mn, split, l, r}); l = pl, r = vr; mn = pref[r] - pref[l - 1]; split = l; for(int j = l; j <= r; ++j){ if(mn > ((pref[j] - pref[l - 1]) | (pref[r] - pref[j]))) split = j, mn = ((pref[j] - pref[l - 1]) | (pref[r] - pref[j])); } Q.push({-mn, split, l, r}); ++x; } for(;!Q.empty();) ans |= pref[Q.top()[3]] - pref[Q.top()[2] - 1], Q.pop(); cout << ans; } int main(){ cin.tie(0); ios::sync_with_stdio(0); int tt = 1, aa; // freopen("in.txt", "r", stdin); // freopen("out.txt", "w", stdout); // cin >> tt; while(tt--){ solve(); en; } cerr<<"time taken : "<<(float)clock()/CLOCKS_PER_SEC<<" seconds\n"; return 0; }

컴파일 시 표준 에러 (stderr) 메시지

sculpture.cpp: In function 'void solve()':
sculpture.cpp:41:23: warning: unused variable 'pr' [-Wunused-variable]
   41 |     int pl = spl + 1, pr = r;
      |                       ^~
sculpture.cpp: In function 'int main()':
sculpture.cpp:73:15: warning: unused variable 'aa' [-Wunused-variable]
   73 |   int tt = 1, aa;
      |               ^~
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