oj.uz

Submission #263241

# Submission time Handle Problem Language Result Execution time Memory
263241 2020-08-13T14:33:09 Z mjkocijan Minerals (JOI19_minerals) C++14
80 / 100
 34 ms 3452 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;
int took[MAXN];

void Solve(int n)
{
	//memset(took, -1, sizeof took);
	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++) {
			if (blo[i] >= bhi[i]) {
				took[blo[i]] = 1;//cout<<i<<",\n";
				continue;
			}
			if (bhi[i] - blo[i] == 1) {
				if (took[bhi[i]]) {//cout<<i<<".\n";
					took[blo[i]] = 1;
					bhi[i] = blo[i];
					continue;
				}
				if (took[blo[i]]) {
					took[bhi[i]] = 1;//cout<<i<<"/\n";
					blo[i] = bhi[i];
					continue;
				}
			}
			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;
			if (blo[i] >= bhi[i]) {//cout<<i<<' '<<blo[i]<<"!\n";
				took[blo[i]] = 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:42:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   42 |    for (int i = 0; i < lo.size(); i++) {
      |                    ~~^~~~~~~~~~~
minerals.cpp:88:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   88 |   for (int i = 0; i < lo.size(); i++) {
      |                   ~~^~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 512 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 512 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 896 KB Output is correct
5 Correct 10 ms 1408 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 512 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 512 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 896 KB Output is correct
9 Correct 10 ms 1408 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 7 ms 1152 KB Output is correct
12 Correct 11 ms 1408 KB Output is correct
13 Correct 8 ms 1408 KB Output is correct
14 Correct 8 ms 1408 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 512 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 512 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 896 KB Output is correct
9 Correct 10 ms 1408 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 7 ms 1152 KB Output is correct
12 Correct 11 ms 1408 KB Output is correct
13 Correct 8 ms 1408 KB Output is correct
14 Correct 8 ms 1408 KB Output is correct
15 Correct 34 ms 3316 KB Output is correct
16 Correct 34 ms 3316 KB Output is correct
17 Correct 29 ms 3316 KB Output is correct
18 Correct 23 ms 3188 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 512 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 512 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 896 KB Output is correct
9 Correct 10 ms 1408 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 7 ms 1152 KB Output is correct
12 Correct 11 ms 1408 KB Output is correct
13 Correct 8 ms 1408 KB Output is correct
14 Correct 8 ms 1408 KB Output is correct
15 Correct 34 ms 3316 KB Output is correct
16 Correct 34 ms 3316 KB Output is correct
17 Correct 29 ms 3316 KB Output is correct
18 Correct 23 ms 3188 KB Output is correct
19 Correct 30 ms 3444 KB Output is correct
20 Correct 30 ms 3444 KB Output is correct
21 Correct 30 ms 3452 KB Output is correct
22 Correct 30 ms 3316 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 512 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 512 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 896 KB Output is correct
9 Correct 10 ms 1408 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 7 ms 1152 KB Output is correct
12 Correct 11 ms 1408 KB Output is correct
13 Correct 8 ms 1408 KB Output is correct
14 Correct 8 ms 1408 KB Output is correct
15 Correct 34 ms 3316 KB Output is correct
16 Correct 34 ms 3316 KB Output is correct
17 Correct 29 ms 3316 KB Output is correct
18 Correct 23 ms 3188 KB Output is correct
19 Correct 30 ms 3444 KB Output is correct
20 Correct 30 ms 3444 KB Output is correct
21 Correct 30 ms 3452 KB Output is correct
22 Correct 30 ms 3316 KB Output is correct
23 Correct 31 ms 3444 KB Output is correct
24 Correct 32 ms 3444 KB Output is correct
25 Correct 30 ms 3444 KB Output is correct
26 Correct 24 ms 3316 KB Output is correct

Subtask #7
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 512 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 512 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 896 KB Output is correct
9 Correct 10 ms 1408 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 7 ms 1152 KB Output is correct
12 Correct 11 ms 1408 KB Output is correct
13 Correct 8 ms 1408 KB Output is correct
14 Correct 8 ms 1408 KB Output is correct
15 Correct 34 ms 3316 KB Output is correct
16 Correct 34 ms 3316 KB Output is correct
17 Correct 29 ms 3316 KB Output is correct
18 Correct 23 ms 3188 KB Output is correct
19 Correct 30 ms 3444 KB Output is correct
20 Correct 30 ms 3444 KB Output is correct
21 Correct 30 ms 3452 KB Output is correct
22 Correct 30 ms 3316 KB Output is correct
23 Correct 31 ms 3444 KB Output is correct
24 Correct 32 ms 3444 KB Output is correct
25 Correct 30 ms 3444 KB Output is correct
26 Correct 24 ms 3316 KB Output is correct
27 Incorrect 30 ms 3188 KB Wrong Answer [2]
28 Halted 0 ms 0 KB -

Subtask #8
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 512 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 512 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 896 KB Output is correct
9 Correct 10 ms 1408 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 7 ms 1152 KB Output is correct
12 Correct 11 ms 1408 KB Output is correct
13 Correct 8 ms 1408 KB Output is correct
14 Correct 8 ms 1408 KB Output is correct
15 Correct 34 ms 3316 KB Output is correct
16 Correct 34 ms 3316 KB Output is correct
17 Correct 29 ms 3316 KB Output is correct
18 Correct 23 ms 3188 KB Output is correct
19 Correct 30 ms 3444 KB Output is correct
20 Correct 30 ms 3444 KB Output is correct
21 Correct 30 ms 3452 KB Output is correct
22 Correct 30 ms 3316 KB Output is correct
23 Correct 31 ms 3444 KB Output is correct
24 Correct 32 ms 3444 KB Output is correct
25 Correct 30 ms 3444 KB Output is correct
26 Correct 24 ms 3316 KB Output is correct
27 Incorrect 30 ms 3188 KB Wrong Answer [2]
28 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 512 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 512 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 896 KB Output is correct
9 Correct 10 ms 1408 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 7 ms 1152 KB Output is correct
12 Correct 11 ms 1408 KB Output is correct
13 Correct 8 ms 1408 KB Output is correct
14 Correct 8 ms 1408 KB Output is correct
15 Correct 34 ms 3316 KB Output is correct
16 Correct 34 ms 3316 KB Output is correct
17 Correct 29 ms 3316 KB Output is correct
18 Correct 23 ms 3188 KB Output is correct
19 Correct 30 ms 3444 KB Output is correct
20 Correct 30 ms 3444 KB Output is correct
21 Correct 30 ms 3452 KB Output is correct
22 Correct 30 ms 3316 KB Output is correct
23 Correct 31 ms 3444 KB Output is correct
24 Correct 32 ms 3444 KB Output is correct
25 Correct 30 ms 3444 KB Output is correct
26 Correct 24 ms 3316 KB Output is correct
27 Incorrect 30 ms 3188 KB Wrong Answer [2]
28 Halted 0 ms 0 KB -