Submission #878793

#TimeUsernameProblemLanguageResultExecution timeMemory
878793Mr_PhThe short shank; Redemption (BOI21_prison)C++17
0 / 100
0 ms348 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[502][502]; void preprocess() {} void solve() { cin>>n>>d>>a; arr.resize(n); ent(arr); for(int i=0;i<=n;i++)for(int j=0;j<=d+1;j++)dp[i][j]=1e9; dp[n][0]=0; for(int i=n-1; i>=0; i--) { // dp[i][0]=0; for(int j=1; j<=d+1; j++) { int cnt=0,lol=arr[i]; for(int k=i+1; k<=n; k++) { cnt+=(lol<a); //cout<<i<<" "<<j<<" "<<k<<" "<<cnt<<endl; dp[i][j]=min(dp[i][j],dp[k][j-1]+cnt); lol=min(arr[k],lol+1); } } } cout<<dp[0][d+1]; } 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(); }

Compilation message (stderr)

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:27:5: note: in expansion of macro 'ent'
   27 |     ent(arr);
      |     ^~~
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