oj.uz

Submission #263226

# Submission time Handle Problem Language Result Execution time Memory
263226 2020-08-13T14:14:35 Z mjkocijan Minerals (JOI19_minerals) C++14
70 / 100
 35 ms 3316 KB 
#include "minerals.h"
#include <bits/stdc++.h>
using namespace std;
#define X first
#define Y second
#define pb push_back
typedef long long ll;
typedef pair<ll, ll> ii;
#define MAXN 100100

vector<int> a, b;
int a1[MAXN];
vector<int> lo, hi, lo2, hi2;
int blo[MAXN], bhi[MAXN];
int mid, qq, q2;

void Solve(int n)
{
	for (int i = 0; i < 2 * n; i++) {
		a1[i] = Query(i + 1);
		if (!i || a1[i] != a1[i - 1])
			a.pb(i);
		else
			b.pb(i);
	}
	//for (int i = 0; i < 2 * n; i++) Query(i + 1);
	for (int i = 0; i < n; i++) {
		blo[i] = 0;
		bhi[i] = n - 1;
	}
	lo.pb(0); hi.pb(n - 1);
	while (1) {
		if (lo.size() == 1) {
			mid = (lo[0] + hi[0]) / 2;
			for (int i = mid + 1; i <= hi[0]; i++) {
				qq = Query(a[i] + 1);//cout<<a[i]+1<<'.'<<qq<<endl;
			}
		}
		else {
			for (int i = 0; i < lo.size(); i++) {
				mid = (lo[i] + hi[i]) / 2;
				if (i & 1) {
					for (int j = lo[i]; j <= mid; j++)
						qq = Query(a[j] + 1);
				}
				else {
					for (int j = mid + 1; j <= hi[i]; j++)
						qq = Query(a[j] + 1);
				}
			}
		}
		int ok = 0;
		for (int i = 0; i < n; i++) {
			mid = (blo[i] + bhi[i]) / 2;
			q2 = Query(b[i] + 1);//cout<<b[i]+1<<','<<q2<<',';
			if (qq == q2) {
				bhi[i] = mid;
			} else {
				blo[i] = mid + 1;
			}
			//cout << blo[i]<<'.'<<bhi[i]<<' ';
			if (blo[i] < bhi[i]) ok = 1;
			qq = q2;
		}//cout<<endl;
		if (!ok) break;
		lo2.clear(); hi2.clear();
		for (int i = 0; i < lo.size(); i++) {
			mid = (lo[i] + hi[i]) / 2;
			lo2.pb(lo[i]);
			lo2.pb(mid + 1);
			hi2.pb(mid);
			hi2.pb(hi[i]);
		}
		lo = lo2; hi = hi2;
	}
	for (int i = 0; i < n; i++) {
		//cout<<b[i]+1<<' '<<a[blo[i]]+1<<endl;
		Answer(b[i] + 1, a[blo[i]] + 1);
	}
	
	
  /*int v = Query(1);
  for (int i = 1; i <= N; ++i) {
    Answer(i, 2 * N + 1 - i);
  }*/
}

Compilation message

minerals.cpp: In function 'void Solve(int)':
minerals.cpp:40:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |    for (int i = 0; i < lo.size(); i++) {
      |                    ~~^~~~~~~~~~~
minerals.cpp:67:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   67 |   for (int i = 0; i < lo.size(); i++) {
      |                   ~~^~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 512 KB Output is correct
3 Correct 3 ms 640 KB Output is correct
4 Correct 5 ms 768 KB Output is correct
5 Correct 11 ms 1280 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 512 KB Output is correct
7 Correct 3 ms 640 KB Output is correct
8 Correct 5 ms 768 KB Output is correct
9 Correct 11 ms 1280 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 8 ms 1024 KB Output is correct
12 Correct 13 ms 1408 KB Output is correct
13 Correct 9 ms 1408 KB Output is correct
14 Correct 9 ms 1280 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 512 KB Output is correct
7 Correct 3 ms 640 KB Output is correct
8 Correct 5 ms 768 KB Output is correct
9 Correct 11 ms 1280 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 8 ms 1024 KB Output is correct
12 Correct 13 ms 1408 KB Output is correct
13 Correct 9 ms 1408 KB Output is correct
14 Correct 9 ms 1280 KB Output is correct
15 Correct 35 ms 3188 KB Output is correct
16 Correct 31 ms 3188 KB Output is correct
17 Correct 30 ms 3316 KB Output is correct
18 Correct 30 ms 3060 KB Output is correct

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 512 KB Output is correct
7 Correct 3 ms 640 KB Output is correct
8 Correct 5 ms 768 KB Output is correct
9 Correct 11 ms 1280 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 8 ms 1024 KB Output is correct
12 Correct 13 ms 1408 KB Output is correct
13 Correct 9 ms 1408 KB Output is correct
14 Correct 9 ms 1280 KB Output is correct
15 Correct 35 ms 3188 KB Output is correct
16 Correct 31 ms 3188 KB Output is correct
17 Correct 30 ms 3316 KB Output is correct
18 Correct 30 ms 3060 KB Output is correct
19 Incorrect 30 ms 2932 KB Wrong Answer [2]
20 Halted 0 ms 0 KB -

Subtask #6
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 512 KB Output is correct
7 Correct 3 ms 640 KB Output is correct
8 Correct 5 ms 768 KB Output is correct
9 Correct 11 ms 1280 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 8 ms 1024 KB Output is correct
12 Correct 13 ms 1408 KB Output is correct
13 Correct 9 ms 1408 KB Output is correct
14 Correct 9 ms 1280 KB Output is correct
15 Correct 35 ms 3188 KB Output is correct
16 Correct 31 ms 3188 KB Output is correct
17 Correct 30 ms 3316 KB Output is correct
18 Correct 30 ms 3060 KB Output is correct
19 Incorrect 30 ms 2932 KB Wrong Answer [2]
20 Halted 0 ms 0 KB -

Subtask #7
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 512 KB Output is correct
7 Correct 3 ms 640 KB Output is correct
8 Correct 5 ms 768 KB Output is correct
9 Correct 11 ms 1280 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 8 ms 1024 KB Output is correct
12 Correct 13 ms 1408 KB Output is correct
13 Correct 9 ms 1408 KB Output is correct
14 Correct 9 ms 1280 KB Output is correct
15 Correct 35 ms 3188 KB Output is correct
16 Correct 31 ms 3188 KB Output is correct
17 Correct 30 ms 3316 KB Output is correct
18 Correct 30 ms 3060 KB Output is correct
19 Incorrect 30 ms 2932 KB Wrong Answer [2]
20 Halted 0 ms 0 KB -

Subtask #8
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 512 KB Output is correct
7 Correct 3 ms 640 KB Output is correct
8 Correct 5 ms 768 KB Output is correct
9 Correct 11 ms 1280 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 8 ms 1024 KB Output is correct
12 Correct 13 ms 1408 KB Output is correct
13 Correct 9 ms 1408 KB Output is correct
14 Correct 9 ms 1280 KB Output is correct
15 Correct 35 ms 3188 KB Output is correct
16 Correct 31 ms 3188 KB Output is correct
17 Correct 30 ms 3316 KB Output is correct
18 Correct 30 ms 3060 KB Output is correct
19 Incorrect 30 ms 2932 KB Wrong Answer [2]
20 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 512 KB Output is correct
7 Correct 3 ms 640 KB Output is correct
8 Correct 5 ms 768 KB Output is correct
9 Correct 11 ms 1280 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 8 ms 1024 KB Output is correct
12 Correct 13 ms 1408 KB Output is correct
13 Correct 9 ms 1408 KB Output is correct
14 Correct 9 ms 1280 KB Output is correct
15 Correct 35 ms 3188 KB Output is correct
16 Correct 31 ms 3188 KB Output is correct
17 Correct 30 ms 3316 KB Output is correct
18 Correct 30 ms 3060 KB Output is correct
19 Incorrect 30 ms 2932 KB Wrong Answer [2]
20 Halted 0 ms 0 KB -