oj.uz

Submission #647081

# Submission time Handle Problem Language Result Execution time Memory
647081 2022-10-01T14:33:21 Z georgievskiy popa (BOI18_popa) C++14
0 / 100
 1 ms 208 KB 
#include "popa.h"

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

int rec(int l, int r, int* left, int* right) {
	if (l >= r)
		return -1;
	if (l + 1 == r)
		return l;
	int root;
	for (int i = l; i < r; i++) {
		if (query(l, r + 1, i, i)) {
			root = i;
			break;
		}
	}
	int l_c = rec(l, root, left, right);
	int r_c = rec(root + 1, r, left, right);
	left[root] = l_c, right[root] = r_c;
}

int solve(int n, int* left, int* right) {
	fill(left, left + n, -1), fill(right, right + n, -1);
	return rec(0, n, left, right);
}

Compilation message

popa.cpp: In function 'int rec(int, int, int*, int*)':
popa.cpp:20:32: warning: control reaches end of non-void function [-Wreturn-type]
   20 |  left[root] = l_c, right[root] = r_c;
      |                    ~~~~~~~~~~~~^~~~~
popa.cpp:20:7: warning: 'root' may be used uninitialized in this function [-Wmaybe-uninitialized]
   20 |  left[root] = l_c, right[root] = r_c;
      |       ^~~~

Subtask #1
0 / 37.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 208 KB invalid argument
2 Halted 0 ms 0 KB -

Subtask #2
0 / 24.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 208 KB invalid argument
2 Halted 0 ms 0 KB -

Subtask #3
0 / 39.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 208 KB invalid argument
2 Halted 0 ms 0 KB -