제출 #878745

#제출 시각아이디문제언어결과실행 시간메모리
878745Mr_PhThe short shank; Redemption (BOI21_prison)C++17
0 / 100
44 ms250964 KiB
#include<bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> typedef long long ll; using namespace std; using namespace __gnu_pbds; template<class x> using ordered_set = tree<x, null_type,less<x>, rb_tree_tag,tree_order_statistics_node_update>; ll mod=(ll)1e9+7; ll mod1=998244353; ///the defines :) #define endl '\n' #define vi vector<int> #define ent(arr) for(int i=0;i<arr.size();i++)cin>>arr[i]; #define all(arr) arr.begin(),arr.end() #define allr(arr) arr.rbegin(),arr.rend() #define sz size() #define int long long int n,d,a; vi arr; int dp[4002][2][4002]; int ans(int idx,bool prv,int curd) { if(idx==n)return 0; if(dp[idx][prv][curd]!=-1) return dp[idx][prv][curd]; int e=1e18; if(arr[idx]<=a||prv==1) { e=min(e,ans(idx+1,0,curd-1)+1); e=min(e,ans(idx+1,1,curd)+1); } else e=ans(idx+1,0,curd); return dp[idx][prv][curd]=e; } void preprocess() {} void solve() { cin>>n>>d>>a; arr.resize(n); ent(arr); memset(dp,-1,sizeof dp); cout<<ans(0,0,d)<<endl; } signed main() { // freopen("meta_game_input.txt","r",stdin); // freopen("otput.txt","w",stdout); ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); preprocess(); //bla(); int t=1; //cin>>t; while(t--) solve(); }

컴파일 시 표준 에러 (stderr) 메시지

prison.cpp: In function 'void solve()':
prison.cpp:14:31: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 | #define ent(arr) for(int i=0;i<arr.size();i++)cin>>arr[i];
      |                              ~^~~~~~~~~~~
prison.cpp:42:5: note: in expansion of macro 'ent'
   42 |     ent(arr);
      |     ^~~
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