Submission #120540

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
120540	2019-06-24 18:56:07	Runtime_error_	Bali Sculptures (APIO15_sculpture)	C++14	71 / 100	41 ms	552 KiB

sculpture

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//APIO 2015 Bali Sculptures
//1-4 subtasks solution 21 points
#include <bits/stdc++.h>
#define ll long long
using namespace std;
const ll N=105;
ll n,x,y,a[N],pre[N],dp[N][N];
ll ans ;
ll solve(ll pos,ll cuts){
    if( pos == n+1)
        return  (cuts>=x && cuts<=y);
    ll &ret=dp[pos][cuts];
    if(ret != -1)
        return ret;
    ret = 0;
    for(ll i=pos;i<=n;i++)
        if( ( (pre[i]-pre[pos-1]) | ans ) == ans )// we don't want set-bits that are not set in ans
            ret |= solve(i+1,cuts+1) ;
    return ret;
}
int main(){
    cin>>n>>x>>y;
    for(ll i=1;i<=n;i++)
        cin>>a[i],pre[i]=a[i]+pre[i-1];
 
 
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• Subtask 1: 9 / 9
• Subtask 2: 16 / 16
• Subtask 3: 21 / 21
• Subtask 4: 25 / 25
• Subtask 5: 0 / 29