oj.uz

Submission #1053916

# Submission time Handle Problem Language Result Execution time Memory
1053916 2024-08-11T21:11:28 Z Itamar Monster Game (JOI21_monster) C++17
91 / 100
 63 ms 672 KB 
#include<vector>
using namespace std;
#define vi vector<int>

bool Query(int a, int b);

void sorti(vi &v){
  vi v1,v2;
  int s = v.size();
  if(s==1)return;
  for(int i = 0; i <s/2; i++ )v1.push_back(v[i]);
  for(int i = s/2; i < s; i++)v2.push_back(v[i]);
  sorti(v1);
  sorti(v2);
  vi vt;
  int it = 0;
  for(int i= 0; i < s/2; i++){
    while(it < v2.size() && !Query(v2[it],v1[i])){
      vt.push_back(v2[it]);
      it++;
    }vt.push_back(v1[i]);
  }
  while(it < v2.size()){
      vt.push_back(v2[it]);
      it++;
    }
    v=vt;
}
int n;
int find(int ind){
  int sum = 0;
  vi win,lose;
  for(int i = 0; i < n; i++){
    if(ind == i)continue;
    if(Query(ind,i))win.push_back(i);
    else lose.push_back(i);
  }
  if(win.size()==1){
    int sum = 0;
    for(int i = 0; i < n; i++){
      if(i!=win[0]){
        sum += Query(win[0],i);
      }
    }
    if(sum == 2)return 1;
    else return 0;
  }else if(lose.size() == 1){
    int sum = 0;
    for(int i = 0; i < n; i++){
      if(i!=lose[0]){
        sum += Query(i,lose[0]);
      }
    }
    if(sum == 2)return n-2;
    else return n-1;
  }else{
    return win.size();
  }
}
std::vector<int> Solve(int N) {
  n=N;
  std::vector<int> ans;
  vi v; for(int i = 0; i <N; i++)v.push_back(i);
  sorti(v);
  vi res(N);
  int l = 0,r = find(v[0]);
  for(int i = r; i>=0; i--)ans.push_back(i);
  while(ans.size()<N){
    int lt = r+1;
    for(int i = lt; i < N; i++){
      if(Query(v[l],v[i])){
        l = lt;
        r = i;
        for(int j = r; j>=l; j--)ans.push_back(j);
        break;
      }
    }
  }
  for(int i = 0; i < N; i++){
    res[v[i]] = ans[i];
  }
  return res;
}

Compilation message

monster.cpp: In function 'void sorti(std::vector<int>&)':
monster.cpp:18:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   18 |     while(it < v2.size() && !Query(v2[it],v1[i])){
      |           ~~~^~~~~~~~~~~
monster.cpp:23:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |   while(it < v2.size()){
      |         ~~~^~~~~~~~~~~
monster.cpp: In function 'int find(int)':
monster.cpp:31:7: warning: unused variable 'sum' [-Wunused-variable]
   31 |   int sum = 0;
      |       ^~~
monster.cpp: In function 'std::vector<int> Solve(int)':
monster.cpp:68:19: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   68 |   while(ans.size()<N){
      |         ~~~~~~~~~~^~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 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 1 ms 344 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 356 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 7 ms 428 KB Output is correct
17 Correct 7 ms 344 KB Output is correct
18 Correct 9 ms 428 KB Output is correct
19 Correct 8 ms 600 KB Output is correct
20 Correct 7 ms 600 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 0 ms 344 KB Output is correct
26 Correct 5 ms 344 KB Output is correct
27 Correct 0 ms 344 KB Output is correct
28 Correct 0 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 5 ms 424 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 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 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 1 ms 344 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 356 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 7 ms 428 KB Output is correct
17 Correct 7 ms 344 KB Output is correct
18 Correct 9 ms 428 KB Output is correct
19 Correct 8 ms 600 KB Output is correct
20 Correct 7 ms 600 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 0 ms 344 KB Output is correct
26 Correct 5 ms 344 KB Output is correct
27 Correct 0 ms 344 KB Output is correct
28 Correct 0 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 5 ms 424 KB Output is correct
33 Correct 42 ms 416 KB Output is correct
34 Correct 38 ms 668 KB Output is correct
35 Correct 31 ms 416 KB Output is correct
36 Correct 47 ms 344 KB Output is correct
37 Correct 53 ms 432 KB Output is correct
38 Correct 41 ms 432 KB Output is correct
39 Correct 55 ms 416 KB Output is correct
40 Correct 32 ms 344 KB Output is correct
41 Correct 58 ms 412 KB Output is correct
42 Correct 45 ms 600 KB Output is correct
43 Correct 34 ms 344 KB Output is correct
44 Correct 22 ms 344 KB Output is correct

Subtask #3
66.0 / 75.0

# Verdict Execution time Memory Grader output
1 Partially correct 62 ms 344 KB Partially correct
2 Partially correct 44 ms 592 KB Partially correct
3 Partially correct 63 ms 416 KB Partially correct
4 Partially correct 42 ms 344 KB Partially correct
5 Partially correct 44 ms 600 KB Partially correct
6 Partially correct 38 ms 412 KB Partially correct
7 Partially correct 44 ms 440 KB Partially correct
8 Partially correct 52 ms 432 KB Partially correct
9 Partially correct 59 ms 600 KB Partially correct
10 Partially correct 54 ms 416 KB Partially correct
11 Partially correct 58 ms 344 KB Partially correct
12 Partially correct 45 ms 592 KB Partially correct
13 Correct 37 ms 344 KB Output is correct
14 Partially correct 52 ms 436 KB Partially correct
15 Correct 24 ms 412 KB Output is correct
16 Correct 36 ms 672 KB Output is correct
17 Partially correct 59 ms 416 KB Partially correct
18 Correct 34 ms 412 KB Output is correct