oj.uz

Submission #907341

# Submission time Handle Problem Language Result Execution time Memory
907341 2024-01-15T11:52:58 Z lighton Minerals (JOI19_minerals) C++17
85 / 100
 28 ms 3616 KB 
#include "minerals.h"
#include <bits/stdc++.h>
#define forf(i,a,b) for(int i = a; i<=b; i++)
using namespace std;
int N,M;
set<int> S;
vector<int> pre,sec;
vector<int> match;
int last;
void dnc(int s, int e , vector<int> v , int d){
    if(s==e){
        for(int i : v) match[i] = sec[s];
        return;
    }
    int m = s+e>>1;
    int now = 0;
    if(last > m) forf(i,m+1,last){ now = Query(sec[i]); }
    else forf(i,last+1,m){ now = Query(sec[i]); }

    vector<int> v1,v2;
    for(int i : v){
        int prv = now;
        if(v1.size() == (m-s+1)){ v2.push_back(i); continue; }
        if(v2.size() == (m-s+1)){ v1.push_back(i); continue; }
        now = Query(pre[i]);
        if(now == prv) v1.push_back(i);
        else v2.push_back(i);
    }
    last = m;
    dnc(m+1,e,v2,d+1);
    last = m;
    dnc(s,m,v1,d+1);
}

void Solve(int N) {
    int now = 0;
    forf(i,1,2*N){
        int prv = now;
        now = Query(i);
        if(now == prv+1){
            pre.push_back(i);
        }
        else{
            sec.push_back(i);
        }
    }
    last = N-1;
    assert(pre.size() == N);
    match.resize(N);

    vector<int> v; forf(i,0,N-1) v.push_back(i);
    dnc(0,N-1,v,1);
    forf(i,0,N-1) Answer(pre[i],match[i]);
}

Compilation message

minerals.cpp: In function 'void dnc(int, int, std::vector<int>, int)':
minerals.cpp:15:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   15 |     int m = s+e>>1;
      |             ~^~
minerals.cpp:23:22: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   23 |         if(v1.size() == (m-s+1)){ v2.push_back(i); continue; }
      |            ~~~~~~~~~~^~~~~~~~~~
minerals.cpp:24:22: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   24 |         if(v2.size() == (m-s+1)){ v1.push_back(i); continue; }
      |            ~~~~~~~~~~^~~~~~~~~~
In file included from /usr/include/c++/10/cassert:44,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33,
                 from minerals.cpp:2:
minerals.cpp: In function 'void Solve(int)':
minerals.cpp:48:23: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   48 |     assert(pre.size() == N);
      |            ~~~~~~~~~~~^~~~

Subtask #1
6.0 / 6.0

# 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 0 ms 344 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 596 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 2 ms 600 KB Output is correct
4 Correct 5 ms 764 KB Output is correct
5 Correct 11 ms 1368 KB Output is correct

Subtask #3
9.0 / 9.0

# 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 0 ms 344 KB Output is correct
5 Correct 1 ms 596 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 5 ms 764 KB Output is correct
9 Correct 11 ms 1368 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 6 ms 1112 KB Output is correct
12 Correct 8 ms 1320 KB Output is correct
13 Correct 6 ms 1260 KB Output is correct
14 Correct 6 ms 1364 KB Output is correct

Subtask #4
30.0 / 30.0

# 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 0 ms 344 KB Output is correct
5 Correct 1 ms 596 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 5 ms 764 KB Output is correct
9 Correct 11 ms 1368 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 6 ms 1112 KB Output is correct
12 Correct 8 ms 1320 KB Output is correct
13 Correct 6 ms 1260 KB Output is correct
14 Correct 6 ms 1364 KB Output is correct
15 Correct 24 ms 2776 KB Output is correct
16 Correct 25 ms 2752 KB Output is correct
17 Correct 16 ms 3616 KB Output is correct
18 Correct 16 ms 2960 KB Output is correct

Subtask #5
5.0 / 5.0

# 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 0 ms 344 KB Output is correct
5 Correct 1 ms 596 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 5 ms 764 KB Output is correct
9 Correct 11 ms 1368 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 6 ms 1112 KB Output is correct
12 Correct 8 ms 1320 KB Output is correct
13 Correct 6 ms 1260 KB Output is correct
14 Correct 6 ms 1364 KB Output is correct
15 Correct 24 ms 2776 KB Output is correct
16 Correct 25 ms 2752 KB Output is correct
17 Correct 16 ms 3616 KB Output is correct
18 Correct 16 ms 2960 KB Output is correct
19 Correct 26 ms 2764 KB Output is correct
20 Correct 25 ms 2756 KB Output is correct
21 Correct 16 ms 2736 KB Output is correct
22 Correct 17 ms 2624 KB Output is correct

Subtask #6
5.0 / 5.0

# 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 0 ms 344 KB Output is correct
5 Correct 1 ms 596 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 5 ms 764 KB Output is correct
9 Correct 11 ms 1368 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 6 ms 1112 KB Output is correct
12 Correct 8 ms 1320 KB Output is correct
13 Correct 6 ms 1260 KB Output is correct
14 Correct 6 ms 1364 KB Output is correct
15 Correct 24 ms 2776 KB Output is correct
16 Correct 25 ms 2752 KB Output is correct
17 Correct 16 ms 3616 KB Output is correct
18 Correct 16 ms 2960 KB Output is correct
19 Correct 26 ms 2764 KB Output is correct
20 Correct 25 ms 2756 KB Output is correct
21 Correct 16 ms 2736 KB Output is correct
22 Correct 17 ms 2624 KB Output is correct
23 Correct 24 ms 2868 KB Output is correct
24 Correct 27 ms 3020 KB Output is correct
25 Correct 18 ms 2740 KB Output is correct
26 Correct 18 ms 2632 KB Output is correct

Subtask #7
5.0 / 5.0

# 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 0 ms 344 KB Output is correct
5 Correct 1 ms 596 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 5 ms 764 KB Output is correct
9 Correct 11 ms 1368 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 6 ms 1112 KB Output is correct
12 Correct 8 ms 1320 KB Output is correct
13 Correct 6 ms 1260 KB Output is correct
14 Correct 6 ms 1364 KB Output is correct
15 Correct 24 ms 2776 KB Output is correct
16 Correct 25 ms 2752 KB Output is correct
17 Correct 16 ms 3616 KB Output is correct
18 Correct 16 ms 2960 KB Output is correct
19 Correct 26 ms 2764 KB Output is correct
20 Correct 25 ms 2756 KB Output is correct
21 Correct 16 ms 2736 KB Output is correct
22 Correct 17 ms 2624 KB Output is correct
23 Correct 24 ms 2868 KB Output is correct
24 Correct 27 ms 3020 KB Output is correct
25 Correct 18 ms 2740 KB Output is correct
26 Correct 18 ms 2632 KB Output is correct
27 Correct 28 ms 2984 KB Output is correct
28 Correct 28 ms 2880 KB Output is correct
29 Correct 18 ms 2900 KB Output is correct
30 Correct 17 ms 3092 KB Output is correct

Subtask #8
0 / 5.0

# 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 0 ms 344 KB Output is correct
5 Correct 1 ms 596 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 5 ms 764 KB Output is correct
9 Correct 11 ms 1368 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 6 ms 1112 KB Output is correct
12 Correct 8 ms 1320 KB Output is correct
13 Correct 6 ms 1260 KB Output is correct
14 Correct 6 ms 1364 KB Output is correct
15 Correct 24 ms 2776 KB Output is correct
16 Correct 25 ms 2752 KB Output is correct
17 Correct 16 ms 3616 KB Output is correct
18 Correct 16 ms 2960 KB Output is correct
19 Correct 26 ms 2764 KB Output is correct
20 Correct 25 ms 2756 KB Output is correct
21 Correct 16 ms 2736 KB Output is correct
22 Correct 17 ms 2624 KB Output is correct
23 Correct 24 ms 2868 KB Output is correct
24 Correct 27 ms 3020 KB Output is correct
25 Correct 18 ms 2740 KB Output is correct
26 Correct 18 ms 2632 KB Output is correct
27 Correct 28 ms 2984 KB Output is correct
28 Correct 28 ms 2880 KB Output is correct
29 Correct 18 ms 2900 KB Output is correct
30 Correct 17 ms 3092 KB Output is correct
31 Incorrect 26 ms 2772 KB Wrong Answer [2]
32 Halted 0 ms 0 KB -

Subtask #9
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 0 ms 344 KB Output is correct
5 Correct 1 ms 596 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 5 ms 764 KB Output is correct
9 Correct 11 ms 1368 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 6 ms 1112 KB Output is correct
12 Correct 8 ms 1320 KB Output is correct
13 Correct 6 ms 1260 KB Output is correct
14 Correct 6 ms 1364 KB Output is correct
15 Correct 24 ms 2776 KB Output is correct
16 Correct 25 ms 2752 KB Output is correct
17 Correct 16 ms 3616 KB Output is correct
18 Correct 16 ms 2960 KB Output is correct
19 Correct 26 ms 2764 KB Output is correct
20 Correct 25 ms 2756 KB Output is correct
21 Correct 16 ms 2736 KB Output is correct
22 Correct 17 ms 2624 KB Output is correct
23 Correct 24 ms 2868 KB Output is correct
24 Correct 27 ms 3020 KB Output is correct
25 Correct 18 ms 2740 KB Output is correct
26 Correct 18 ms 2632 KB Output is correct
27 Correct 28 ms 2984 KB Output is correct
28 Correct 28 ms 2880 KB Output is correct
29 Correct 18 ms 2900 KB Output is correct
30 Correct 17 ms 3092 KB Output is correct
31 Incorrect 26 ms 2772 KB Wrong Answer [2]
32 Halted 0 ms 0 KB -