oj.uz

Submission #433916

# Submission time Handle Problem Language Result Execution time Memory
433916 2021-06-20T12:12:57 Z alishahali1382 Minerals (JOI19_minerals) C++14
90 / 100
 490 ms 7276 KB 
#include "minerals.h"
#include <bits/stdc++.h>
#pragma GCC optimize ("O2,unroll-loops")
//#pragma GCC optimize("no-stack-protector,fast-math")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")

using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<pii, int> piii;
typedef vector<int> vi;
#define debug(x) cerr<<#x<<'='<<(x)<<endl;
#define debugp(x) cerr<<#x<<"= {"<<(x.first)<<", "<<(x.second)<<"}"<<endl;
#define debug2(x, y) cerr<<"{"<<#x<<", "<<#y<<"} = {"<<(x)<<", "<<(y)<<"}"<<endl;
#define debugv(v) {cerr<<#v<<" : ";for (auto x:v) cerr<<x<<' ';cerr<<endl;}
#define all(x) x.begin(), x.end()
#define pb push_back
#define SZ(x) ((int)x.size())

const int inf=1000000010;
const ll INF=1000000000000001000LL;
const int mod=1000000007;
const int MAXN=100010, LOG=20;

int n, m, k, u, v, x, y, a, b, t, ans;
int mark[MAXN], shit;
set<int> On;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

int Ask(int x){
	// cerr<<"Ask "<<x<<"\n";
	auto it=On.find(x);
	if (it==On.end()) On.insert(x);
	else On.erase(it);
	return ans=Query(x);
}
bool IsOn(int x){ return On.find(x)!=On.end();}
void Set(vi vec){
	shit++;
	for (int x:vec){
		mark[x]=shit;
		if (!IsOn(x)) Ask(x);
	}
	vi rem;
	for (int x:On) if (mark[x]!=shit) rem.pb(x);
	for (int x:rem) Ask(x);
}

void divide(vi X, vi Y){
	assert(SZ(X)==SZ(Y));
	if (SZ(X)==1){
		Answer(X[0], Y[0]);
		return ;
	}
	int sz=SZ(X), mid=sz/2;
	shuffle(all(X), rng);
	vi X1, X2, Y1, Y2;
	for (int i=0; i<sz; i++){
		if (i<mid) X1.pb(X[i]);
		else X2.pb(X[i]);
	}
	// Set(X1);
	for (int x:X1) if (!IsOn(x)) Ask(x);
	for (int x:X2) if (IsOn(x)) Ask(x);
	for (int y:Y) if (IsOn(x)) Ask(x);

	for (int y:Y){
		if (SZ(Y1)==mid) Y2.pb(y);
		else if (SZ(Y2)==sz-mid) Y1.pb(y);
		else{
			int last=ans;
			if (Ask(y)==last) Y1.pb(y);
			else Y2.pb(y);
		}
	}
	divide(X1, Y1);
	divide(X2, Y2);
}

void Solve(int _n){
	n=_n;
	vi X, Y;
	for (int i=1; i<=2*n; i++){
		int last=ans;
		if (Ask(i)==last) Y.pb(i);
		else X.pb(i);
	}
	divide(X, Y);
}

Compilation message

minerals.cpp: In function 'void divide(vi, vi)':
minerals.cpp:66:11: warning: unused variable 'y' [-Wunused-variable]
   66 |  for (int y:Y) if (IsOn(x)) Ask(x);
      |           ^

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 1 ms 200 KB Output is correct
3 Correct 1 ms 200 KB Output is correct
4 Correct 1 ms 328 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 456 KB Output is correct
2 Correct 10 ms 584 KB Output is correct
3 Correct 23 ms 840 KB Output is correct
4 Correct 52 ms 1352 KB Output is correct
5 Correct 117 ms 2368 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 1 ms 200 KB Output is correct
3 Correct 1 ms 200 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 5 ms 456 KB Output is correct
6 Correct 10 ms 584 KB Output is correct
7 Correct 23 ms 840 KB Output is correct
8 Correct 52 ms 1352 KB Output is correct
9 Correct 117 ms 2368 KB Output is correct
10 Correct 5 ms 456 KB Output is correct
11 Correct 74 ms 1900 KB Output is correct
12 Correct 125 ms 2640 KB Output is correct
13 Correct 126 ms 2832 KB Output is correct
14 Correct 121 ms 2440 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 1 ms 200 KB Output is correct
3 Correct 1 ms 200 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 5 ms 456 KB Output is correct
6 Correct 10 ms 584 KB Output is correct
7 Correct 23 ms 840 KB Output is correct
8 Correct 52 ms 1352 KB Output is correct
9 Correct 117 ms 2368 KB Output is correct
10 Correct 5 ms 456 KB Output is correct
11 Correct 74 ms 1900 KB Output is correct
12 Correct 125 ms 2640 KB Output is correct
13 Correct 126 ms 2832 KB Output is correct
14 Correct 121 ms 2440 KB Output is correct
15 Correct 418 ms 6440 KB Output is correct
16 Correct 396 ms 6464 KB Output is correct
17 Correct 414 ms 6736 KB Output is correct
18 Correct 375 ms 5800 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 1 ms 200 KB Output is correct
3 Correct 1 ms 200 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 5 ms 456 KB Output is correct
6 Correct 10 ms 584 KB Output is correct
7 Correct 23 ms 840 KB Output is correct
8 Correct 52 ms 1352 KB Output is correct
9 Correct 117 ms 2368 KB Output is correct
10 Correct 5 ms 456 KB Output is correct
11 Correct 74 ms 1900 KB Output is correct
12 Correct 125 ms 2640 KB Output is correct
13 Correct 126 ms 2832 KB Output is correct
14 Correct 121 ms 2440 KB Output is correct
15 Correct 418 ms 6440 KB Output is correct
16 Correct 396 ms 6464 KB Output is correct
17 Correct 414 ms 6736 KB Output is correct
18 Correct 375 ms 5800 KB Output is correct
19 Correct 402 ms 6664 KB Output is correct
20 Correct 408 ms 6588 KB Output is correct
21 Correct 430 ms 6796 KB Output is correct
22 Correct 395 ms 5940 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 1 ms 200 KB Output is correct
3 Correct 1 ms 200 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 5 ms 456 KB Output is correct
6 Correct 10 ms 584 KB Output is correct
7 Correct 23 ms 840 KB Output is correct
8 Correct 52 ms 1352 KB Output is correct
9 Correct 117 ms 2368 KB Output is correct
10 Correct 5 ms 456 KB Output is correct
11 Correct 74 ms 1900 KB Output is correct
12 Correct 125 ms 2640 KB Output is correct
13 Correct 126 ms 2832 KB Output is correct
14 Correct 121 ms 2440 KB Output is correct
15 Correct 418 ms 6440 KB Output is correct
16 Correct 396 ms 6464 KB Output is correct
17 Correct 414 ms 6736 KB Output is correct
18 Correct 375 ms 5800 KB Output is correct
19 Correct 402 ms 6664 KB Output is correct
20 Correct 408 ms 6588 KB Output is correct
21 Correct 430 ms 6796 KB Output is correct
22 Correct 395 ms 5940 KB Output is correct
23 Correct 415 ms 6740 KB Output is correct
24 Correct 431 ms 6796 KB Output is correct
25 Correct 490 ms 6940 KB Output is correct
26 Correct 415 ms 6120 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 1 ms 200 KB Output is correct
3 Correct 1 ms 200 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 5 ms 456 KB Output is correct
6 Correct 10 ms 584 KB Output is correct
7 Correct 23 ms 840 KB Output is correct
8 Correct 52 ms 1352 KB Output is correct
9 Correct 117 ms 2368 KB Output is correct
10 Correct 5 ms 456 KB Output is correct
11 Correct 74 ms 1900 KB Output is correct
12 Correct 125 ms 2640 KB Output is correct
13 Correct 126 ms 2832 KB Output is correct
14 Correct 121 ms 2440 KB Output is correct
15 Correct 418 ms 6440 KB Output is correct
16 Correct 396 ms 6464 KB Output is correct
17 Correct 414 ms 6736 KB Output is correct
18 Correct 375 ms 5800 KB Output is correct
19 Correct 402 ms 6664 KB Output is correct
20 Correct 408 ms 6588 KB Output is correct
21 Correct 430 ms 6796 KB Output is correct
22 Correct 395 ms 5940 KB Output is correct
23 Correct 415 ms 6740 KB Output is correct
24 Correct 431 ms 6796 KB Output is correct
25 Correct 490 ms 6940 KB Output is correct
26 Correct 415 ms 6120 KB Output is correct
27 Correct 428 ms 6960 KB Output is correct
28 Correct 434 ms 6884 KB Output is correct
29 Correct 435 ms 7120 KB Output is correct
30 Correct 419 ms 6228 KB Output is correct

Subtask #8
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 1 ms 200 KB Output is correct
3 Correct 1 ms 200 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 5 ms 456 KB Output is correct
6 Correct 10 ms 584 KB Output is correct
7 Correct 23 ms 840 KB Output is correct
8 Correct 52 ms 1352 KB Output is correct
9 Correct 117 ms 2368 KB Output is correct
10 Correct 5 ms 456 KB Output is correct
11 Correct 74 ms 1900 KB Output is correct
12 Correct 125 ms 2640 KB Output is correct
13 Correct 126 ms 2832 KB Output is correct
14 Correct 121 ms 2440 KB Output is correct
15 Correct 418 ms 6440 KB Output is correct
16 Correct 396 ms 6464 KB Output is correct
17 Correct 414 ms 6736 KB Output is correct
18 Correct 375 ms 5800 KB Output is correct
19 Correct 402 ms 6664 KB Output is correct
20 Correct 408 ms 6588 KB Output is correct
21 Correct 430 ms 6796 KB Output is correct
22 Correct 395 ms 5940 KB Output is correct
23 Correct 415 ms 6740 KB Output is correct
24 Correct 431 ms 6796 KB Output is correct
25 Correct 490 ms 6940 KB Output is correct
26 Correct 415 ms 6120 KB Output is correct
27 Correct 428 ms 6960 KB Output is correct
28 Correct 434 ms 6884 KB Output is correct
29 Correct 435 ms 7120 KB Output is correct
30 Correct 419 ms 6228 KB Output is correct
31 Correct 440 ms 6968 KB Output is correct
32 Correct 454 ms 7096 KB Output is correct
33 Correct 445 ms 7276 KB Output is correct
34 Correct 452 ms 6372 KB Output is correct

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct
2 Correct 1 ms 200 KB Output is correct
3 Correct 1 ms 200 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 5 ms 456 KB Output is correct
6 Correct 10 ms 584 KB Output is correct
7 Correct 23 ms 840 KB Output is correct
8 Correct 52 ms 1352 KB Output is correct
9 Correct 117 ms 2368 KB Output is correct
10 Correct 5 ms 456 KB Output is correct
11 Correct 74 ms 1900 KB Output is correct
12 Correct 125 ms 2640 KB Output is correct
13 Correct 126 ms 2832 KB Output is correct
14 Correct 121 ms 2440 KB Output is correct
15 Correct 418 ms 6440 KB Output is correct
16 Correct 396 ms 6464 KB Output is correct
17 Correct 414 ms 6736 KB Output is correct
18 Correct 375 ms 5800 KB Output is correct
19 Correct 402 ms 6664 KB Output is correct
20 Correct 408 ms 6588 KB Output is correct
21 Correct 430 ms 6796 KB Output is correct
22 Correct 395 ms 5940 KB Output is correct
23 Correct 415 ms 6740 KB Output is correct
24 Correct 431 ms 6796 KB Output is correct
25 Correct 490 ms 6940 KB Output is correct
26 Correct 415 ms 6120 KB Output is correct
27 Correct 428 ms 6960 KB Output is correct
28 Correct 434 ms 6884 KB Output is correct
29 Correct 435 ms 7120 KB Output is correct
30 Correct 419 ms 6228 KB Output is correct
31 Correct 440 ms 6968 KB Output is correct
32 Correct 454 ms 7096 KB Output is correct
33 Correct 445 ms 7276 KB Output is correct
34 Correct 452 ms 6372 KB Output is correct
35 Incorrect 460 ms 7252 KB Wrong Answer [2]
36 Halted 0 ms 0 KB -