Submission #481257

#	Time	Username	Problem	Language	Result	Execution time	Memory
481257		FatihSolak	Skyline (IZhO11_skyline)	C++17	100 / 100	229 ms	1180 KiB

skyline

#include <bits/stdc++.h>
#define N 305
using namespace std;
int h[N];
void solve(){
    int n;
    cin >> n;
    for(int i=1;i<=n;i++){
        cin >> h[i];
    }
    vector<vector<int>> dp(N,vector<int>(N,1e9));
    dp[0][0] = 0;
    for(int x=1;x<=n;x++){
        vector<vector<int>> ndp(N,vector<int>(N,1e9));
        for(int i=0;i<N;i++){
            for(int j=0;j<N;j++){
                ndp[max(0,j- i)][max(0,h[x] - i)] = min(ndp[max(0,j- i)][max(0,h[x] - i)],dp[i][j] + 7*i);
            }
        }
        for(int i=N-1;i>=0;i--){
            for(int j=N-1;j>=0;j--){
                ndp[i][max(0,j-1)] = min(ndp[i][max(0,j-1)],ndp[i][j] + 3);
                ndp[max(0,i-1)][max(0,j-1)] = min(ndp[max(0,i-1)][max(0,j-1)],ndp[i][j] + 5);
            }
        }
        dp = ndp;
    }
    cout << dp[0][0];
}

int32_t main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    #ifdef Local
    freopen("in.txt","r",stdin);
    freopen("out.txt","w",stdout);
    #endif
    int t=1;
    //cin>>t;
    while(t--){
        solve();
    }
    #ifdef Local
    cout<<endl<<fixed<<setprecision(2)<<1000.0 * clock() / CLOCKS_PER_SEC<< " milliseconds ";
    #endif
}

• Subtask 1: 100 / 100