Submission #925670

#TimeUsernameProblemLanguageResultExecution timeMemory
925670BaizhoBali Sculptures (APIO15_sculpture)C++14
0 / 100
1 ms356 KiB
#include <bits/stdc++.h> using namespace std; #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace __gnu_pbds; #define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update> #pragma GCC optimize("Ofast,unroll-loops,fast-math") #pragma GCC target("popcnt") typedef long long ll; typedef unsigned long long ull; typedef long double ld; typedef pair<ll,ll> pll; #define sz size() #define ff first #define ss second #define all(a) a.begin(),a.end() #define pb push_back const int mod = ll(1e9)+7; //(b + (a%b)) % b (to mod -1%(10^9+7) correctly in c++ its -1 but its suppose to be 10^9+6 const ll MOD = 998244353; // (a%mod)*(binpow(b,mod-2,mod) = (a/b)%mod const int N = ll(2e3)+5; const int M = ll(2e5) + 5; const long long inf = 5e18; const long double eps = 1e-15L; ll lcm(ll a, ll b) { return (a / __gcd(a,b))*b; } ll binpow(ll a, ll b, ll m) { ll res=1; a %= m; while(b>0){ if(b&1)res=(res * a) % m; a=(a * a) % m; b/=2; } return res%m;} void Freopen(string Key){ freopen((Key+".in").c_str(), "r", stdin); freopen((Key+".out").c_str(), "w", stdout); } int n, a, b, y[N]; long long dp[N][N], pr[N]; void Baizho() { cin>>n>>a>>b; for(int i = 1; i <= n; i ++) { cin>>y[i]; pr[i] = pr[i - 1] + y[i]; dp[i][1] = pr[i]; } for(int i = 2; i <= n; i ++) { for(int k = 2; k <= n; k ++) { dp[i][k] = inf; for(int j = 1; j < i; j ++) dp[i][k] = min(dp[i][k], (dp[j][k - 1] | (pr[i] - pr[j]))); } } long long ans = inf; for(int i = a; i <= b; i ++) ans = min(ans, dp[n][i]); cout<<ans; } signed main() { // Freopen("nondec"); ios_base::sync_with_stdio(false); cin.tie(0);cout.tie(0); // precalc(); int ttt = 1; // cin>>ttt; for(int i=1; i<=ttt; i++) {Baizho(); } }

Compilation message (stderr)

sculpture.cpp: In function 'void Freopen(std::string)':
sculpture.cpp:35:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   35 | void Freopen(string Key){ freopen((Key+".in").c_str(), "r", stdin); freopen((Key+".out").c_str(), "w", stdout); }
      |                           ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sculpture.cpp:35:76: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   35 | void Freopen(string Key){ freopen((Key+".in").c_str(), "r", stdin); freopen((Key+".out").c_str(), "w", stdout); }
      |                                                                     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...