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Submission #104565

# Submission time Handle Problem Language Result Execution time Memory
104565 2019-04-08T05:35:30 Z YottaByte Bali Sculptures (APIO15_sculpture) C++14
0 / 100
 11 ms 8576 KB 
#include <iostream>
using namespace std;

#define int long long
#define pc __builtin_popcount

const int N = 21, inf = 1073741824;

int n, a, b, ans = inf, ar[N], dp[1 << 20];

void calc(int mask) {
	if(pc(mask) + 1 > b) {
		return;
	}
	
	if(a <= pc(mask) + 1 && pc(mask) + 1 <= b) {
		if(dp[mask] == -1) {
			int sum = 0, temp = 0;
			for(int i = 0; i < n; i++) {
				sum += ar[i];
				if(mask & (1 << i)) {
					temp |= sum;
					sum = 0;
				}
			}
			temp |= sum;
			dp[mask] = temp;
		}
		
		ans = min(ans, dp[mask]);
	}
	
	if(pc(mask) + 1 == b || ans < dp[mask]) {
		return;
	}
	
	for(int i = 0; i < n; i++) {
		if(mask >> i & 1); else {
			calc(1 << i | mask);
		}
	}
}

main() {
	cin >> n >> a >> b;
	
	for(int i = 0; i < (1 << 20); i++) {
		dp[i] = -1;
	}
	
	for(int i = 0; i < n; i++) {
		cin >> ar[i];
	}
	
	calc(0);
	
	cout << ans << endl;
}

Compilation message

sculpture.cpp:44:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main() {
      ^

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 8576 KB Output is correct
2 Incorrect 10 ms 8540 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 8548 KB Output is correct
2 Incorrect 9 ms 8576 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 8576 KB Output is correct
2 Incorrect 10 ms 8448 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 8576 KB Output is correct
2 Incorrect 8 ms 8576 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 8576 KB Output is correct
2 Incorrect 10 ms 8576 KB Output isn't correct
3 Halted 0 ms 0 KB -