Submission #1114454

# Submission time Handle Problem Language Result Execution time Memory
1114454 2024-11-18T23:04:57 Z sunboi Xylophone (JOI18_xylophone) C++17
47 / 100
169 ms 592 KB
#include <cstdio>
#include <cstdlib>
#include <iostream>
#include <vector>
using namespace std;
#include "xylophone.h"
 
static int A[5000];
 
 
void solve(int N){
    int n = N;
    int i = 1;
    while(query(i, n) == n - 1){
        i++;
    }
    i--;
    int reference = i;
    vector<int> a(n + 1);
    int x = query(i, i + 1);
    a[i] = 1;
    a[i + 1] = x + 1;
    i += 2;
    int last = x;
    
    for (; i <= n; i++){
        int mn = min(a[i - 1], a[i - 2]);
        int uno = query(i - 1, i);
        int dos = query(i - 2, i);
        
        if (dos > last){
            if (dos == uno){
                if (a[i - 1] == mn) a[i] = a[i - 1] + uno;
                else a[i] = a[i - 1] - uno;
            }else{
                if (a[i - 2] == mn) a[i] = a[i - 2] + dos;
                else  a[i] = a[i - 2] - dos;
            }
        }else{
            if (a[i - 1] == mn) a[i] = a[i - 1] + uno;
            else a[i] = a[i - 1] - uno;
        }
        last = uno;
    }
    i = reference;
	if (i > 1){
		x = query(i - 1, i);
		a[i - 1] = 1 + x;
		last = x;
		i -= 2;
		for (; i >= 1; i--){
			int mn = min(a[i + 1], a[i + 2]);
			int uno = query(i, i + 1);
			int dos = query(i, i + 2);
			if (dos > last){
				if (dos == uno){
					if (a[i + 1] == mn) a[i] = a[i + 1] + uno;
					else a[i] = a[i + 1] - uno;
				}else{
					if (a[i + 2] == mn) a[i] = a[i + 2] + dos;
					else  a[i] = a[i + 2] - dos;
				}
			}else{
				if (a[i + 1] == mn) a[i] = a[i + 1] + uno;
				else a[i] = a[i + 1] - uno;
			}
			last = uno;
		}
	}
    for(int i = 1;i<=n;i++) answer(i, a[i]);
	return;
}

Compilation message

xylophone.cpp:8:12: warning: 'A' defined but not used [-Wunused-variable]
    8 | static int A[5000];
      |            ^
# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 2 ms 336 KB Output is correct
4 Correct 4 ms 336 KB Output is correct
5 Correct 5 ms 336 KB Output is correct
6 Correct 4 ms 336 KB Output is correct
7 Correct 4 ms 336 KB Output is correct
8 Correct 4 ms 336 KB Output is correct
9 Correct 3 ms 336 KB Output is correct
10 Correct 4 ms 336 KB Output is correct
11 Correct 4 ms 336 KB Output is correct
12 Correct 4 ms 336 KB Output is correct
13 Correct 4 ms 336 KB Output is correct
14 Correct 4 ms 336 KB Output is correct
15 Correct 5 ms 336 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 2 ms 336 KB Output is correct
4 Correct 4 ms 336 KB Output is correct
5 Correct 5 ms 336 KB Output is correct
6 Correct 4 ms 336 KB Output is correct
7 Correct 4 ms 336 KB Output is correct
8 Correct 4 ms 336 KB Output is correct
9 Correct 3 ms 336 KB Output is correct
10 Correct 4 ms 336 KB Output is correct
11 Correct 4 ms 336 KB Output is correct
12 Correct 4 ms 336 KB Output is correct
13 Correct 4 ms 336 KB Output is correct
14 Correct 4 ms 336 KB Output is correct
15 Correct 5 ms 336 KB Output is correct
16 Correct 7 ms 336 KB Output is correct
17 Correct 16 ms 336 KB Output is correct
18 Correct 23 ms 336 KB Output is correct
19 Correct 30 ms 336 KB Output is correct
20 Correct 37 ms 336 KB Output is correct
21 Correct 35 ms 336 KB Output is correct
22 Correct 42 ms 436 KB Output is correct
23 Correct 33 ms 336 KB Output is correct
24 Correct 54 ms 336 KB Output is correct
25 Correct 33 ms 336 KB Output is correct
26 Correct 26 ms 336 KB Output is correct
27 Correct 36 ms 336 KB Output is correct
28 Correct 30 ms 336 KB Output is correct
29 Correct 28 ms 336 KB Output is correct
30 Correct 38 ms 592 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 2 ms 336 KB Output is correct
4 Correct 4 ms 336 KB Output is correct
5 Correct 5 ms 336 KB Output is correct
6 Correct 4 ms 336 KB Output is correct
7 Correct 4 ms 336 KB Output is correct
8 Correct 4 ms 336 KB Output is correct
9 Correct 3 ms 336 KB Output is correct
10 Correct 4 ms 336 KB Output is correct
11 Correct 4 ms 336 KB Output is correct
12 Correct 4 ms 336 KB Output is correct
13 Correct 4 ms 336 KB Output is correct
14 Correct 4 ms 336 KB Output is correct
15 Correct 5 ms 336 KB Output is correct
16 Correct 7 ms 336 KB Output is correct
17 Correct 16 ms 336 KB Output is correct
18 Correct 23 ms 336 KB Output is correct
19 Correct 30 ms 336 KB Output is correct
20 Correct 37 ms 336 KB Output is correct
21 Correct 35 ms 336 KB Output is correct
22 Correct 42 ms 436 KB Output is correct
23 Correct 33 ms 336 KB Output is correct
24 Correct 54 ms 336 KB Output is correct
25 Correct 33 ms 336 KB Output is correct
26 Correct 26 ms 336 KB Output is correct
27 Correct 36 ms 336 KB Output is correct
28 Correct 30 ms 336 KB Output is correct
29 Correct 28 ms 336 KB Output is correct
30 Correct 38 ms 592 KB Output is correct
31 Correct 72 ms 336 KB Output is correct
32 Correct 125 ms 336 KB Output is correct
33 Incorrect 169 ms 432 KB Wrong Answer [2]
34 Halted 0 ms 0 KB -