oj.uz

Submission #113296

# Submission time Handle Problem Language Result Execution time Memory
113296 2019-05-24T19:45:21 Z popovicirobert Xylophone (JOI18_xylophone) C++14
47 / 100
 75 ms 512 KB 
#include "xylophone.h"
#include <bits/stdc++.h>

using namespace std;

//static int A[5000];

int cnt = 0;

inline int get(int a, int b, int pa, int pb, int pc) {

    cnt += 2;

    if(cnt > 10000) {
        while(1) {

        }
    }

    int bc = query(min(pb, pc), max(pb, pc)), ac = query(min(pa, pc), max(pa, pc));

    if(a < b) {
        if(bc == ac) {
            return b - bc;
        }
        if(ac == abs(a - b)) {
            return b - bc;
        }
        return b + bc;
    }
    else {
        if(bc == ac) {
            return b + bc;
        }
        if(ac == abs(a - b)) {
            return b + bc;
        }
        return b - bc;
    }
}

void solve(int n) {

    int pos = n, i;

    for(int step = 1 << 15; step; step >>= 1) {
        if(pos - step >= 1 && query(pos - step, n) < n - 1) {
            pos -= step;
        }
    }

    pos--; // 1

    vector <int> sol(n + 2);

    sol[pos] = 1;

    if(pos > 1) {
        sol[pos - 1] = 1 + query(pos - 1, pos);
    }

    int a = sol[pos], b = sol[pos - 1];

    for(i = pos - 2; i >= 1; i--) {
        int c = get(a, b, i + 2, i + 1, i);
        sol[i] = c;
        a = b;
        b = c;
    }

    if(pos < n) {
        sol[pos + 1] = 1 + query(pos, pos + 1);
    }

    a = sol[pos], b = sol[pos + 1];

    for(i = pos + 2; i <= n; i++) {
        int c = get(a, b, i - 2, i - 1, i);
        sol[i] = c;
        a = b;
        b = c;
    }

    for(i = 1; i <= n; i++) {
        answer(i, sol[i]);
    }

}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 3 ms 256 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 4 ms 256 KB Output is correct
6 Correct 3 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 4 ms 384 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 4 ms 256 KB Output is correct
13 Correct 5 ms 256 KB Output is correct
14 Correct 3 ms 384 KB Output is correct
15 Correct 4 ms 256 KB Output is correct

Subtask #2
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 3 ms 256 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 4 ms 256 KB Output is correct
6 Correct 3 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 4 ms 384 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 4 ms 256 KB Output is correct
13 Correct 5 ms 256 KB Output is correct
14 Correct 3 ms 384 KB Output is correct
15 Correct 4 ms 256 KB Output is correct
16 Correct 7 ms 256 KB Output is correct
17 Correct 10 ms 256 KB Output is correct
18 Correct 18 ms 384 KB Output is correct
19 Correct 12 ms 328 KB Output is correct
20 Correct 20 ms 256 KB Output is correct
21 Correct 8 ms 324 KB Output is correct
22 Correct 21 ms 256 KB Output is correct
23 Correct 16 ms 384 KB Output is correct
24 Correct 9 ms 332 KB Output is correct
25 Correct 15 ms 256 KB Output is correct
26 Correct 14 ms 256 KB Output is correct
27 Correct 13 ms 512 KB Output is correct
28 Correct 18 ms 384 KB Output is correct
29 Correct 15 ms 256 KB Output is correct
30 Correct 9 ms 320 KB Output is correct

Subtask #3
0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 3 ms 256 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 4 ms 256 KB Output is correct
6 Correct 3 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 4 ms 384 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 4 ms 256 KB Output is correct
13 Correct 5 ms 256 KB Output is correct
14 Correct 3 ms 384 KB Output is correct
15 Correct 4 ms 256 KB Output is correct
16 Correct 7 ms 256 KB Output is correct
17 Correct 10 ms 256 KB Output is correct
18 Correct 18 ms 384 KB Output is correct
19 Correct 12 ms 328 KB Output is correct
20 Correct 20 ms 256 KB Output is correct
21 Correct 8 ms 324 KB Output is correct
22 Correct 21 ms 256 KB Output is correct
23 Correct 16 ms 384 KB Output is correct
24 Correct 9 ms 332 KB Output is correct
25 Correct 15 ms 256 KB Output is correct
26 Correct 14 ms 256 KB Output is correct
27 Correct 13 ms 512 KB Output is correct
28 Correct 18 ms 384 KB Output is correct
29 Correct 15 ms 256 KB Output is correct
30 Correct 9 ms 320 KB Output is correct
31 Correct 41 ms 256 KB Output is correct
32 Correct 48 ms 332 KB Output is correct
33 Correct 75 ms 412 KB Output is correct
34 Incorrect 31 ms 320 KB Wrong Answer [2]
35 Halted 0 ms 0 KB -