Submission #739981

#	Time	Username	Problem	Language	Result	Execution time	Memory
739981		Ahmed57	Bali Sculptures (APIO15_sculpture)	C++14	100 / 100	118 ms	468 KiB

sculpture

#include <bits/stdc++.h>

using namespace std;
//Fast
int main(){
    ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
    long long n,a,b;
    cin>>n>>a>>b;
    long long arr[n+1] = {0};
    for(int i = 0;i<n;i++){
        cin>>arr[i];
    }
    long long dp1[n+1] = {0};
    long long dp2[n+1] = {0};
    dp1[n] = 0;dp2[n] = 0;
    long long num = (1LL<<60)-1 , sum = 0,mi = 1e18,ma = 0;
    for(long long bi = 59;bi>=0;bi--){
    num^=(1LL<<bi);
    for(long long i = n-1;i>=0;i--){
        sum = arr[i];
        mi = 1e18;
        ma = 0;
        for(int j = i+1;j<=n;j++){
            if((sum|num)==num){
                mi = min(mi,dp1[j]+1);
                ma = max(ma,dp2[j]+1);
            }
            sum+=arr[j];
        }
        dp1[i] = mi;
        dp2[i] = ma;
    }
    if(dp1[0]>b||dp2[0]<a){
        num^=(1LL<<bi);
    }
    }
    cout<<num<<endl;
}

• Subtask 1: 9 / 9
• Subtask 2: 16 / 16
• Subtask 3: 21 / 21
• Subtask 4: 25 / 25
• Subtask 5: 29 / 29