Submission #1050362

#	Time	Username	Problem	Language	Result	Execution time	Memory
1050362		manhlinh1501	Bali Sculptures (APIO15_sculpture)	C++17	0 / 100	4 ms	31876 KiB

sculpture

#include <bits/stdc++.h>
using namespace std;
using i64 = long long;
const int MAXN = 2e3 + 5;
const i64 oo64 = 2e18;
int N, L, R;
int a[MAXN];
i64 dp[MAXN][MAXN];
i64 prefix[MAXN];

signed main() {
#define TASK "code"

    if (fopen(TASK ".inp", "r")) {
        freopen(TASK ".inp", "r", stdin);
        freopen(TASK ".out", "w", stdout);
    }

    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    cin >> N >> L >> R;
    memset(dp, 0x3f, sizeof dp);
    dp[0][0] = 0;
    for(int i = 1; i <= N; i++) cin >> a[i];
    for(int i = 1; i <= N; i++) prefix[i] = prefix[i - 1] + a[i];
    for(int i = 1; i <= N; i++) {
        for(int j = 1; j <= i; j++) {
            for(int z = 1; z <= R; z++) {
                if(dp[j - 1][z - 1] >= oo64) continue;
                dp[i][z] = min(dp[i][z], (dp[j - 1][z - 1] | (prefix[i] - prefix[j - 1])));
            }
        }
    }
    i64 ans = oo64;
    for(int i = L; i <= R; i++) ans = min(ans, dp[N][i]);
    cout << ans;
    return (0 ^ 0);
}

Compilation message (stderr)

sculpture.cpp: In function 'int main()':
sculpture.cpp:15:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |         freopen(TASK ".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
sculpture.cpp:16:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |         freopen(TASK ".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

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