Submission #976904

#TimeUsernameProblemLanguageResultExecution timeMemory
976904nninBali Sculptures (APIO15_sculpture)C++14
50 / 100
87 ms31572 KiB
#include<bits/stdc++.h> using namespace std; using ll = long long; #define pii pair<int,int> int N, A, B; ll sum[2005], dp[2005][2005]; bool check(ll x) { vector<pii> idx; idx.push_back({0, 0}); for(int i=1;i<=N;i++) { int ct = 2e9; for(auto [j, ctt]:idx) { ll ss = sum[i]-sum[j]; if((ss|x)==x && (ss&x)==ss) { ct = min(ct, ctt+1); } } if(ct!=2e9) idx.push_back({i, ct}); } return (idx.back().first==N && idx.back().second<=B); } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cin>>N>>A>>B; for(int i=1;i<=N;i++) cin>>sum[i], dp[i][0] = sum[i] += sum[i-1]; ll ans = (1ll<<51)-1; for(int i=50;i>=0;i--) { ans ^= (1ll<<i); if(!check(ans)) { ans ^= (1ll<<i); } } cout<<ans; } /* 6 1 3 8 1 2 1 5 4 */

Compilation message (stderr)

sculpture.cpp: In function 'bool check(ll)':
sculpture.cpp:14:18: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   14 |         for(auto [j, ctt]:idx) {
      |                  ^
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