oj.uz

Submission #1052322

# Submission time Handle Problem Language Result Execution time Memory
1052322 2024-08-10T13:20:51 Z Sacharlemagne Monster Game (JOI21_monster) C++17
100 / 100
 55 ms 928 KB 
#include "monster.h"
#include <bits/stdc++.h>
using namespace std;
typedef vector<int> vi;
namespace {

bool example_variable;

}  // namespace
vi solveP(int l, int r) {
    if (l == r) return {l};
    vi lp = solveP(l,(l+r)/2), rp = solveP(1+(l+r)/2,r);
    vi ans;
    int p1 = 0, p2 = 0;
    while (p1 < lp.size() || p2 < rp.size()) {
        if (p1 < lp.size() && p2 < rp.size()) {
            if (!Query(lp[p1],rp[p2])) ans.push_back(rp[p2++]);
            else ans.push_back(lp[p1++]);
        }
        else if (p1 < lp.size()) ans.push_back(lp[p1++]);
        else ans.push_back(rp[p2++]);
    }
    return ans;
}
vector<int> badSolve(int N, vi ans) {
    map<int,int> v;
    for (int i = 0; i<N; ++i) {
        for (int j = i+1; j<N; ++j) {
            ++v[Query(ans[i],ans[j]) ? ans[i] : ans[j]];
        }
    }
    sort(ans.begin(), ans.end(), [&](int a, int b) {return v[a] < v[b];});
    if (!Query(ans[0], ans[1])) swap(ans[0], ans[1]);
    if (!Query(ans[N-2], ans[N-1])) swap(ans[N-2], ans[N-1]);
    return ans;
}
vi Solve(int N) {
    vi v = solveP(0,N-1);
    reverse(v.begin(), v.end());
    int k = min(N, 20);
    vi partial(v.begin(), v.begin()+k);
    int zero = badSolve(k,partial)[0];
    int ind = find(v.begin(), v.end(), zero)-v.begin();
    reverse(v.begin(), v.begin()+ind+1);
    while (ind < N-1) {
        int i = ind+1;
        while (Query(v[i],v[ind])) ++i;
        reverse(v.begin()+ind+1,v.begin()+i+1);
        ind = i;
    }
    vi ret(N); for (int i = 0; i<N; ++i) ret[v[i]] = i;
    return ret;
}

Compilation message

monster.cpp: In function 'vi solveP(int, int)':
monster.cpp:15:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 |     while (p1 < lp.size() || p2 < rp.size()) {
      |            ~~~^~~~~~~~~~~
monster.cpp:15:33: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 |     while (p1 < lp.size() || p2 < rp.size()) {
      |                              ~~~^~~~~~~~~~~
monster.cpp:16:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 |         if (p1 < lp.size() && p2 < rp.size()) {
      |             ~~~^~~~~~~~~~~
monster.cpp:16:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 |         if (p1 < lp.size() && p2 < rp.size()) {
      |                               ~~~^~~~~~~~~~~
monster.cpp:20:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |         else if (p1 < lp.size()) ans.push_back(lp[p1++]);
      |                  ~~~^~~~~~~~~~~
monster.cpp: At global scope:
monster.cpp:7:6: warning: '{anonymous}::example_variable' defined but not used [-Wunused-variable]
    7 | bool example_variable;
      |      ^~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 8 ms 344 KB Output is correct
17 Correct 6 ms 600 KB Output is correct
18 Correct 6 ms 600 KB Output is correct
19 Correct 6 ms 436 KB Output is correct
20 Correct 8 ms 688 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 0 ms 344 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 4 ms 344 KB Output is correct
27 Correct 0 ms 504 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 0 ms 344 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 4 ms 444 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 8 ms 344 KB Output is correct
17 Correct 6 ms 600 KB Output is correct
18 Correct 6 ms 600 KB Output is correct
19 Correct 6 ms 436 KB Output is correct
20 Correct 8 ms 688 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 0 ms 344 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 4 ms 344 KB Output is correct
27 Correct 0 ms 504 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 0 ms 344 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 4 ms 444 KB Output is correct
33 Correct 46 ms 928 KB Output is correct
34 Correct 32 ms 436 KB Output is correct
35 Correct 48 ms 416 KB Output is correct
36 Correct 41 ms 344 KB Output is correct
37 Correct 49 ms 420 KB Output is correct
38 Correct 42 ms 592 KB Output is correct
39 Correct 47 ms 600 KB Output is correct
40 Correct 40 ms 600 KB Output is correct
41 Correct 45 ms 432 KB Output is correct
42 Correct 43 ms 592 KB Output is correct
43 Correct 22 ms 440 KB Output is correct
44 Correct 30 ms 672 KB Output is correct

Subtask #3
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 54 ms 344 KB Output is correct
2 Correct 36 ms 600 KB Output is correct
3 Correct 45 ms 684 KB Output is correct
4 Correct 43 ms 344 KB Output is correct
5 Correct 27 ms 424 KB Output is correct
6 Correct 33 ms 440 KB Output is correct
7 Correct 30 ms 436 KB Output is correct
8 Correct 55 ms 672 KB Output is correct
9 Correct 55 ms 344 KB Output is correct
10 Correct 40 ms 424 KB Output is correct
11 Correct 55 ms 600 KB Output is correct
12 Correct 44 ms 848 KB Output is correct
13 Correct 36 ms 436 KB Output is correct
14 Correct 32 ms 424 KB Output is correct
15 Correct 19 ms 592 KB Output is correct
16 Correct 33 ms 600 KB Output is correct
17 Correct 28 ms 672 KB Output is correct
18 Correct 31 ms 420 KB Output is correct