Submission #96502

#	Time	Username	Problem	Language	Result	Execution time	Memory
96502		Smelskiy	Bali Sculptures (APIO15_sculpture)	C++14	50 / 100	117 ms	504 KiB

sculpture

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

int n;
long long d[2005];
int a, b;

bool can(long long mask) {
    int dp[2005];
    
    for (int i = 0; i <= n; i++) {
        dp[i] = 100000;
    }
    dp[0] = 0;
    
    for (int i = 0; i < n; i++) {
        if (dp[i] < 100000) {
            long long cur_sum = 0;
            for (int j = i; j < n; j++) {
                cur_sum += d[j];
                if ((cur_sum & mask) == 0) {
                    dp[j+1] = min(dp[j+1], dp[i] + 1);
                }
            }
        }
    }
    return dp[n] <= b;
}

int main() {
//    freopen("sculpture.in", "r", stdin);
  //  freopen("sculpture.out", "w", stdout);
    scanf("%d %d %d", &n, &a, &b);
    for (int i = 0; i < n; i++) {
        scanf("%lld", &d[i]);
    }
    long long cur_mask = 0;
    for (int i = 60; i >= 0; --i) {
        if (can(cur_mask | (1LL<<i))) {
            cur_mask = cur_mask | (1LL<<i);
        }
    }
    printf("%lld\n", (1LL<<61) -1 - cur_mask);
}

Compilation message (stderr)

sculpture.cpp: In function 'int main()':
sculpture.cpp:33:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d %d", &n, &a, &b);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
sculpture.cpp:35:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld", &d[i]);
         ~~~~~^~~~~~~~~~~~~~~

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