oj.uz

Submission #376922

# Submission time Handle Problem Language Result Execution time Memory
376922 2021-03-12T07:11:34 Z casperwang Minerals (JOI19_minerals) C++14
90 / 100
 88 ms 4296 KB 
#include "minerals.h"
#include <bits/stdc++.h>
#define All(x) x.begin(), x.end()
#define pb emplace_back
using namespace std;
#define debug(args...) kout("[ " + string(#args) + " ]", args)
void kout() { cerr << endl; }
template <class T, class ...U> void kout(T a, U ...b) { cerr << a << ' ',kout(b...); }
template <class T> void pary(T L, T R) { while (L != R) cerr << *L << " \n"[++L==R]; }
 
int pre, now;
 
void check(vector <int> A, vector <int> B, bool flagA, bool flagB) {
	if (A.size() == 1) {
		Answer(A[0], B[0]);
		return;
	}
	int len = (B.size() * 19 + 49) / 50;
	vector <int> LA, RA, LB, RB;
	for (int i = 0; i < len; i++) {
		pre = now;
		now = Query(B[i]);
		LB.pb(B[i]);
	}
	for (int i = len; i < B.size(); i++) {
		RB.pb(B[i]);
	}
	for (int i = 0; i < A.size(); i++) {
		pre = now;
		now = Query(A[i]);
		if ( (!flagA && !flagB && now == pre)
	  	|| (!flagA &&  flagB && now == pre+1)
	  	|| ( flagA && !flagB && now == pre)
			|| ( flagA &&  flagB && now == pre-1)) {
			LA.pb(A[i]);
		} else {
			RA.pb(A[i]);
		}
		if (LA.size() == len && RA.size() <= (A.size() - len) / 2) {
			for (int j : RA) {
				pre = now;
				now = Query(j);
			}
			for (int j = i+1; j < A.size(); j++)
				RA.pb(A[j]);
			check(LA, LB, !flagA, !flagB);
			check(RA, RB,  flagA,  flagB);
			return;
		}
		if (RA.size() == B.size()-len && LA.size() <= len / 2) {
			for (int j : LA) {
				pre = now;
				now = Query(j);
			}
			for (int j = i+1; j < A.size(); j++)
				LA.pb(A[j]);
			check(LA, LB,  flagA, !flagB);
			check(RA, RB, !flagA,  flagB);
			return;
		}
	}
	check(LA, LB, !flagA, !flagB);
	check(RA, RB, !flagA, flagB);
}
 
void Solve(int N) {
	srand(time(NULL));
 
	vector <int> num(2*N);
	for (int i = 0; i < 2*N; i++) num[i] = i+1;
	random_shuffle(All(num));
 
	vector <int> A, B;
	for (int id : num) {
		pre = now;
		now = Query(id);
		if (now != pre + 1) {
			B.pb(id);
		} else {
			A.pb(id);
		}
	}
	check(A, B, true, true);
}

Compilation message

minerals.cpp: In function 'void check(std::vector<int>, std::vector<int>, bool, bool)':
minerals.cpp:25:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |  for (int i = len; i < B.size(); i++) {
      |                    ~~^~~~~~~~~~
minerals.cpp:28:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |  for (int i = 0; i < A.size(); i++) {
      |                  ~~^~~~~~~~~~
minerals.cpp:39:17: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   39 |   if (LA.size() == len && RA.size() <= (A.size() - len) / 2) {
      |       ~~~~~~~~~~^~~~~~
minerals.cpp:44:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |    for (int j = i+1; j < A.size(); j++)
      |                      ~~^~~~~~~~~~
minerals.cpp:50:46: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   50 |   if (RA.size() == B.size()-len && LA.size() <= len / 2) {
      |                                    ~~~~~~~~~~^~~~~~~~~~
minerals.cpp:55:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   55 |    for (int j = i+1; j < A.size(); j++)
      |                      ~~^~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 364 KB Output is correct
2 Correct 3 ms 492 KB Output is correct
3 Correct 6 ms 748 KB Output is correct
4 Correct 16 ms 1184 KB Output is correct
5 Correct 21 ms 1644 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 2 ms 364 KB Output is correct
6 Correct 3 ms 492 KB Output is correct
7 Correct 6 ms 748 KB Output is correct
8 Correct 16 ms 1184 KB Output is correct
9 Correct 21 ms 1644 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 15 ms 1260 KB Output is correct
12 Correct 22 ms 1772 KB Output is correct
13 Correct 23 ms 1792 KB Output is correct
14 Correct 21 ms 1772 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 2 ms 364 KB Output is correct
6 Correct 3 ms 492 KB Output is correct
7 Correct 6 ms 748 KB Output is correct
8 Correct 16 ms 1184 KB Output is correct
9 Correct 21 ms 1644 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 15 ms 1260 KB Output is correct
12 Correct 22 ms 1772 KB Output is correct
13 Correct 23 ms 1792 KB Output is correct
14 Correct 21 ms 1772 KB Output is correct
15 Correct 61 ms 3956 KB Output is correct
16 Correct 68 ms 3960 KB Output is correct
17 Correct 61 ms 4088 KB Output is correct
18 Correct 63 ms 3964 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 2 ms 364 KB Output is correct
6 Correct 3 ms 492 KB Output is correct
7 Correct 6 ms 748 KB Output is correct
8 Correct 16 ms 1184 KB Output is correct
9 Correct 21 ms 1644 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 15 ms 1260 KB Output is correct
12 Correct 22 ms 1772 KB Output is correct
13 Correct 23 ms 1792 KB Output is correct
14 Correct 21 ms 1772 KB Output is correct
15 Correct 61 ms 3956 KB Output is correct
16 Correct 68 ms 3960 KB Output is correct
17 Correct 61 ms 4088 KB Output is correct
18 Correct 63 ms 3964 KB Output is correct
19 Correct 67 ms 3952 KB Output is correct
20 Correct 61 ms 4204 KB Output is correct
21 Correct 62 ms 4072 KB Output is correct
22 Correct 62 ms 3948 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 2 ms 364 KB Output is correct
6 Correct 3 ms 492 KB Output is correct
7 Correct 6 ms 748 KB Output is correct
8 Correct 16 ms 1184 KB Output is correct
9 Correct 21 ms 1644 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 15 ms 1260 KB Output is correct
12 Correct 22 ms 1772 KB Output is correct
13 Correct 23 ms 1792 KB Output is correct
14 Correct 21 ms 1772 KB Output is correct
15 Correct 61 ms 3956 KB Output is correct
16 Correct 68 ms 3960 KB Output is correct
17 Correct 61 ms 4088 KB Output is correct
18 Correct 63 ms 3964 KB Output is correct
19 Correct 67 ms 3952 KB Output is correct
20 Correct 61 ms 4204 KB Output is correct
21 Correct 62 ms 4072 KB Output is correct
22 Correct 62 ms 3948 KB Output is correct
23 Correct 65 ms 4068 KB Output is correct
24 Correct 62 ms 4076 KB Output is correct
25 Correct 62 ms 4076 KB Output is correct
26 Correct 75 ms 3940 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 2 ms 364 KB Output is correct
6 Correct 3 ms 492 KB Output is correct
7 Correct 6 ms 748 KB Output is correct
8 Correct 16 ms 1184 KB Output is correct
9 Correct 21 ms 1644 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 15 ms 1260 KB Output is correct
12 Correct 22 ms 1772 KB Output is correct
13 Correct 23 ms 1792 KB Output is correct
14 Correct 21 ms 1772 KB Output is correct
15 Correct 61 ms 3956 KB Output is correct
16 Correct 68 ms 3960 KB Output is correct
17 Correct 61 ms 4088 KB Output is correct
18 Correct 63 ms 3964 KB Output is correct
19 Correct 67 ms 3952 KB Output is correct
20 Correct 61 ms 4204 KB Output is correct
21 Correct 62 ms 4072 KB Output is correct
22 Correct 62 ms 3948 KB Output is correct
23 Correct 65 ms 4068 KB Output is correct
24 Correct 62 ms 4076 KB Output is correct
25 Correct 62 ms 4076 KB Output is correct
26 Correct 75 ms 3940 KB Output is correct
27 Correct 73 ms 4204 KB Output is correct
28 Correct 68 ms 4204 KB Output is correct
29 Correct 75 ms 4204 KB Output is correct
30 Correct 72 ms 3948 KB Output is correct

Subtask #8
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 2 ms 364 KB Output is correct
6 Correct 3 ms 492 KB Output is correct
7 Correct 6 ms 748 KB Output is correct
8 Correct 16 ms 1184 KB Output is correct
9 Correct 21 ms 1644 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 15 ms 1260 KB Output is correct
12 Correct 22 ms 1772 KB Output is correct
13 Correct 23 ms 1792 KB Output is correct
14 Correct 21 ms 1772 KB Output is correct
15 Correct 61 ms 3956 KB Output is correct
16 Correct 68 ms 3960 KB Output is correct
17 Correct 61 ms 4088 KB Output is correct
18 Correct 63 ms 3964 KB Output is correct
19 Correct 67 ms 3952 KB Output is correct
20 Correct 61 ms 4204 KB Output is correct
21 Correct 62 ms 4072 KB Output is correct
22 Correct 62 ms 3948 KB Output is correct
23 Correct 65 ms 4068 KB Output is correct
24 Correct 62 ms 4076 KB Output is correct
25 Correct 62 ms 4076 KB Output is correct
26 Correct 75 ms 3940 KB Output is correct
27 Correct 73 ms 4204 KB Output is correct
28 Correct 68 ms 4204 KB Output is correct
29 Correct 75 ms 4204 KB Output is correct
30 Correct 72 ms 3948 KB Output is correct
31 Correct 68 ms 4212 KB Output is correct
32 Correct 67 ms 4204 KB Output is correct
33 Correct 67 ms 4204 KB Output is correct
34 Correct 88 ms 4076 KB Output is correct

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 2 ms 364 KB Output is correct
6 Correct 3 ms 492 KB Output is correct
7 Correct 6 ms 748 KB Output is correct
8 Correct 16 ms 1184 KB Output is correct
9 Correct 21 ms 1644 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 15 ms 1260 KB Output is correct
12 Correct 22 ms 1772 KB Output is correct
13 Correct 23 ms 1792 KB Output is correct
14 Correct 21 ms 1772 KB Output is correct
15 Correct 61 ms 3956 KB Output is correct
16 Correct 68 ms 3960 KB Output is correct
17 Correct 61 ms 4088 KB Output is correct
18 Correct 63 ms 3964 KB Output is correct
19 Correct 67 ms 3952 KB Output is correct
20 Correct 61 ms 4204 KB Output is correct
21 Correct 62 ms 4072 KB Output is correct
22 Correct 62 ms 3948 KB Output is correct
23 Correct 65 ms 4068 KB Output is correct
24 Correct 62 ms 4076 KB Output is correct
25 Correct 62 ms 4076 KB Output is correct
26 Correct 75 ms 3940 KB Output is correct
27 Correct 73 ms 4204 KB Output is correct
28 Correct 68 ms 4204 KB Output is correct
29 Correct 75 ms 4204 KB Output is correct
30 Correct 72 ms 3948 KB Output is correct
31 Correct 68 ms 4212 KB Output is correct
32 Correct 67 ms 4204 KB Output is correct
33 Correct 67 ms 4204 KB Output is correct
34 Correct 88 ms 4076 KB Output is correct
35 Incorrect 74 ms 4296 KB Wrong Answer [2]
36 Halted 0 ms 0 KB -