Submission #235689

#	Time	Username	Problem	Language	Result	Execution time	Memory
235689		zaneyu	Bali Sculptures (APIO15_sculpture)	C++14	0 / 100	5 ms	384 KiB

sculpture

/*input
6 1 3
8 1 2 1 5 4
*/
#include<bits/stdc++.h>
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
typedef tree<long long, null_type, less_equal<long long>, rb_tree_tag, tree_order_statistics_node_update> indexed_set;
#pragma GCC optimize("unroll-loops,no-stack-protector")
//order_of_key #of elements less than x
// find_by_order kth element
using ll = long long;
using ld = long double;
using pii = pair<int,int>;
#define f first
#define s second
#define pb push_back
#define REP(i,n) for(int i=0;i<n;i++)
#define REP1(i,n) for(int i=1;i<=n;i++)
#define FILL(n,x) memset(n,x,sizeof(n))
#define ALL(_a) _a.begin(),_a.end()
#define sz(x) (int)x.size()
#define SORT_UNIQUE(c) (sort(c.begin(),c.end()), c.resize(distance(c.begin(),unique(c.begin(),c.end()))))
const ll INF64=4e18;
const int INF=0x3f3f3f3f;
const ll MOD=1e9+7;
const ld PI=acos(-1);
const ld eps=1e-9;
#define lowb(x) x&(-x)
#define MNTO(x,y) x=min(x,(__typeof__(x))y)
#define MXTO(x,y) x=max(x,(__typeof__(x))y)
ll sub(ll a,ll b){
    ll x=a-b;
    while(x<0) x+=MOD;
    while(x>MOD) x-=MOD;
    return x;
}
ll mult(ll a,ll b){
    return a*b%MOD;
}
ll mypow(ll a,ll b){
    if(b<=0) return 1;
    ll res=1LL;
    while(b){
        if(b&1) res=(res*a)%MOD;
        a=(a*a)%MOD;
        b>>=1;
    }
    return res;
}
const int maxn=1e2+5;
ll dp[maxn][maxn];
ll pref[maxn];
int arr[maxn];
int n,a,b;
void solve1(){
    dp[0][1]=0;
    for(int i=1;i<=n;i++){
        dp[i][1]=pref[i];
        for(int j=2;j<=i;j++){
            dp[i][j]=INF64;
            for(int k=2;k<=i;k++){
                if(k-1>=j-1) MNTO(dp[i][j],dp[k-1][j-1]|(pref[i]-pref[k-1]));
            }
            //cout<<dp[i][j]<<' ';
        }
        //cout<<'\n';
    }
    ll ans=INF64;
    for(int i=a;i<=b;i++){
        MNTO(ans,dp[n][i]);
    }
    cout<<ans<<'\n';
}
void solve2(){
    ll dp[maxn];
    dp[1]=0;
 
}
int main(){
    cin>>n>>a>>b;
    REP1(i,n) cin>>arr[i];
    pref[0]=0;
    REP1(i,n) pref[i]=pref[i-1]+arr[i];
    if(n<=100){
        solve1();
    }
    else{
        solve2();
    }
}

Compilation message (stderr)

sculpture.cpp: In function 'void solve2()':
sculpture.cpp:78:8: warning: variable 'dp' set but not used [-Wunused-but-set-variable]
     ll dp[maxn];
        ^~

• Subtask 1: 0 / 9
• Subtask 2: 0 / 16
• Subtask 3: 0 / 21
• Subtask 4: 0 / 25
• Subtask 5: 0 / 29