oj.uz

Submission #949999

# Submission time Handle Problem Language Result Execution time Memory
949999 2024-03-20T02:57:58 Z pcc Minerals (JOI19_minerals) C++17
40 / 100
 767 ms 5644 KB 
#include "minerals.h"
#include <bits/stdc++.h>
using namespace std;

/*
int v = Query(1);
Answer(i, 2 * N + 1 - i);
*/

#define pii pair<int,int>
#define fs first
#define sc second
const int B = 15;
const int mxn = 86011;
vector<pii> req[B];
vector<int> v[2];
int pl,pr;
vector<vector<int>> bk[B];
vector<pii> ans;

void Solve(int N) {
	int pre = 0;
	for(int i = 1;i<=N*2;i++){
		int tmp = Query(i);
		if(tmp==pre){
			v[1].push_back(i);
			pre = Query(i);
		}
		else pre = tmp,v[0].push_back(i);
	}
	assert(v[0].size() == v[1].size());
	req[0].push_back(pii(0,N-1));
	bk[0].push_back({});
	for(int i = 0;i<v[1].size();i++)bk[0].back().push_back(v[1][i]);

	pl = 0,pr = v[0].size()-1;
	for(int i = 0;i<B;i++){
		if(req[i].empty())continue;
		while(pl>0){
			pre = Query(v[0][--pl]);
		}
		while(pr>0){
			pre = Query(v[0][pr--]);
		}
		cerr<<i<<endl;
		for(auto &j:req[i])cerr<<j.fs<<' '<<j.sc<<',';cerr<<endl;
		for(auto &j:bk[i]){for(auto &l:j)cerr<<l<<' ';cerr<<",";}cerr<<endl;
		assert(req[i].size() == bk[i].size());
		for(int j = 0;j<req[i].size();j++){
			auto [l,r] = req[i][j];
			if(l == r){
				ans.push_back(pii(bk[i][j][0],v[0][l]));
				continue;
			}
			int mid = (l+r)>>1;
			bk[i+1].push_back({});
			bk[i+1].push_back({});
			while(pr<mid){
				pre = Query(v[0][++pr]);
			}
			cerr<<pl<<','<<pr<<":"<<pre<<endl;
			req[i+1].push_back(pii(l,mid));
			req[i+1].push_back(pii(mid+1,r));
			for(auto &m:bk[i][j]){
				auto tmp = Query(m);
				if(pre == tmp)bk[i+1].end()[-2].push_back(m);
				else bk[i+1].end()[-1].push_back(m);
				pre = Query(m);
			}
		}
	}
	for(auto &i:ans)Answer(i.fs,i.sc);
	return;
}

Compilation message

minerals.cpp: In function 'void Solve(int)':
minerals.cpp:34:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |  for(int i = 0;i<v[1].size();i++)bk[0].back().push_back(v[1][i]);
      |                ~^~~~~~~~~~~~
minerals.cpp:46:3: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   46 |   for(auto &j:req[i])cerr<<j.fs<<' '<<j.sc<<',';cerr<<endl;
      |   ^~~
minerals.cpp:46:49: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   46 |   for(auto &j:req[i])cerr<<j.fs<<' '<<j.sc<<',';cerr<<endl;
      |                                                 ^~~~
minerals.cpp:49:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   49 |   for(int j = 0;j<req[i].size();j++){
      |                 ~^~~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 500 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 4 ms 460 KB Output is correct
4 Correct 4 ms 344 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 46 ms 688 KB Output is correct
2 Correct 87 ms 968 KB Output is correct
3 Correct 181 ms 1636 KB Output is correct
4 Correct 388 ms 2884 KB Output is correct
5 Correct 767 ms 5456 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 500 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 4 ms 460 KB Output is correct
4 Correct 4 ms 344 KB Output is correct
5 Correct 46 ms 688 KB Output is correct
6 Correct 87 ms 968 KB Output is correct
7 Correct 181 ms 1636 KB Output is correct
8 Correct 388 ms 2884 KB Output is correct
9 Correct 767 ms 5456 KB Output is correct
10 Correct 41 ms 700 KB Output is correct
11 Correct 482 ms 4100 KB Output is correct
12 Correct 742 ms 5576 KB Output is correct
13 Correct 742 ms 5520 KB Output is correct
14 Correct 747 ms 5644 KB Output is correct

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 500 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 4 ms 460 KB Output is correct
4 Correct 4 ms 344 KB Output is correct
5 Correct 46 ms 688 KB Output is correct
6 Correct 87 ms 968 KB Output is correct
7 Correct 181 ms 1636 KB Output is correct
8 Correct 388 ms 2884 KB Output is correct
9 Correct 767 ms 5456 KB Output is correct
10 Correct 41 ms 700 KB Output is correct
11 Correct 482 ms 4100 KB Output is correct
12 Correct 742 ms 5576 KB Output is correct
13 Correct 742 ms 5520 KB Output is correct
14 Correct 747 ms 5644 KB Output is correct
15 Incorrect 581 ms 4656 KB Wrong Answer [2]
16 Halted 0 ms 0 KB -

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 500 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 4 ms 460 KB Output is correct
4 Correct 4 ms 344 KB Output is correct
5 Correct 46 ms 688 KB Output is correct
6 Correct 87 ms 968 KB Output is correct
7 Correct 181 ms 1636 KB Output is correct
8 Correct 388 ms 2884 KB Output is correct
9 Correct 767 ms 5456 KB Output is correct
10 Correct 41 ms 700 KB Output is correct
11 Correct 482 ms 4100 KB Output is correct
12 Correct 742 ms 5576 KB Output is correct
13 Correct 742 ms 5520 KB Output is correct
14 Correct 747 ms 5644 KB Output is correct
15 Incorrect 581 ms 4656 KB Wrong Answer [2]
16 Halted 0 ms 0 KB -

Subtask #6
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 500 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 4 ms 460 KB Output is correct
4 Correct 4 ms 344 KB Output is correct
5 Correct 46 ms 688 KB Output is correct
6 Correct 87 ms 968 KB Output is correct
7 Correct 181 ms 1636 KB Output is correct
8 Correct 388 ms 2884 KB Output is correct
9 Correct 767 ms 5456 KB Output is correct
10 Correct 41 ms 700 KB Output is correct
11 Correct 482 ms 4100 KB Output is correct
12 Correct 742 ms 5576 KB Output is correct
13 Correct 742 ms 5520 KB Output is correct
14 Correct 747 ms 5644 KB Output is correct
15 Incorrect 581 ms 4656 KB Wrong Answer [2]
16 Halted 0 ms 0 KB -

Subtask #7
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 500 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 4 ms 460 KB Output is correct
4 Correct 4 ms 344 KB Output is correct
5 Correct 46 ms 688 KB Output is correct
6 Correct 87 ms 968 KB Output is correct
7 Correct 181 ms 1636 KB Output is correct
8 Correct 388 ms 2884 KB Output is correct
9 Correct 767 ms 5456 KB Output is correct
10 Correct 41 ms 700 KB Output is correct
11 Correct 482 ms 4100 KB Output is correct
12 Correct 742 ms 5576 KB Output is correct
13 Correct 742 ms 5520 KB Output is correct
14 Correct 747 ms 5644 KB Output is correct
15 Incorrect 581 ms 4656 KB Wrong Answer [2]
16 Halted 0 ms 0 KB -

Subtask #8
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 500 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 4 ms 460 KB Output is correct
4 Correct 4 ms 344 KB Output is correct
5 Correct 46 ms 688 KB Output is correct
6 Correct 87 ms 968 KB Output is correct
7 Correct 181 ms 1636 KB Output is correct
8 Correct 388 ms 2884 KB Output is correct
9 Correct 767 ms 5456 KB Output is correct
10 Correct 41 ms 700 KB Output is correct
11 Correct 482 ms 4100 KB Output is correct
12 Correct 742 ms 5576 KB Output is correct
13 Correct 742 ms 5520 KB Output is correct
14 Correct 747 ms 5644 KB Output is correct
15 Incorrect 581 ms 4656 KB Wrong Answer [2]
16 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 500 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 4 ms 460 KB Output is correct
4 Correct 4 ms 344 KB Output is correct
5 Correct 46 ms 688 KB Output is correct
6 Correct 87 ms 968 KB Output is correct
7 Correct 181 ms 1636 KB Output is correct
8 Correct 388 ms 2884 KB Output is correct
9 Correct 767 ms 5456 KB Output is correct
10 Correct 41 ms 700 KB Output is correct
11 Correct 482 ms 4100 KB Output is correct
12 Correct 742 ms 5576 KB Output is correct
13 Correct 742 ms 5520 KB Output is correct
14 Correct 747 ms 5644 KB Output is correct
15 Incorrect 581 ms 4656 KB Wrong Answer [2]
16 Halted 0 ms 0 KB -