Submission #952595

#	Time	Username	Problem	Language	Result	Execution time	Memory
952595		Unforgettablepl	Bali Sculptures (APIO15_sculpture)	C++17	Compilation error	0 ms	0 KiB

sculpture

#include <bits/stdc++.h>
using namespace std;

#define int long long

bool DP[101][101];
int DPmin[2001];
int arr[2001];
int a,b,n;

bool testany(int k){
    for(auto&i:DP)for(auto&j:i)j=false;
    DP[0][0]=true;
    for(int j=1;j<=b;j++){
        for(int i=j;i<=n;i++){
            int sum = arr[i];
            for(int x=i-1;x>=j-1;x--){
                if((sum|k) == k and DP[x][j-1]){DP[i][j]=true;break;}
                sum+=arr[x];
            }
        }
    }
    for(int i=a;i<=b;i++)if(DP[n][i])return true;
    return false;
}

bool test1(int k){
    for(int i=0;i<=n;i++)DPmin[i]=1e18;
    DPmin[0]=0;
    for(int i=1;i<=n;i++){
        int sum = arr[i];
        for(int j=i-1;j>=0;j--){
            if((sum|k)==k)DPmin[i]=min(DPmin[i],DPmin[j]+1);
            sum+=arr[j];
        }
    }
    return DPmin[n]<=b;
}

bool can()
{
    REP(i, N+1)
    dp[i] = INF;

    dp[0] = 0;
    REP(i, N)
    {
        ll sum = 0;
        FOR(j, i, N)
        {
            sum += D[j];
            if ((sum | ans) == ans)
                dp[j + 1] = min(dp[j + 1], 1 + dp[i]);
        }
    }

    return dp[N] <= B;
}
bool test(int k){
    return n<=100 ? testany(k) : test1(k);
}

int32_t main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cin >> n >> a >> b;
    for(int i=1;i<=n;i++)cin>>arr[i];
    int ans = 0;
    for(int bit=57;bit>=0;bit--){
        if(test(ans|((1ll<<bit)-1)))continue;
        ans|=(1ll<<bit);
    }
    cout << ans << '\n';
}

Compilation message (stderr)

sculpture.cpp: In function 'bool can()':
sculpture.cpp:42:9: error: 'i' was not declared in this scope
   42 |     REP(i, N+1)
      |         ^
sculpture.cpp:42:12: error: 'N' was not declared in this scope
   42 |     REP(i, N+1)
      |            ^
sculpture.cpp:42:5: error: 'REP' was not declared in this scope
   42 |     REP(i, N+1)
      |     ^~~
sculpture.cpp:45:5: error: 'dp' was not declared in this scope
   45 |     dp[0] = 0;
      |     ^~
sculpture.cpp:57:21: error: 'B' was not declared in this scope
   57 |     return dp[N] <= B;
      |                     ^