oj.uz

Submission #433918

# Submission time Handle Problem Language Result Execution time Memory
433918 2021-06-20T12:13:34 Z alishahali1382 Minerals (JOI19_minerals) C++14
90 / 100
 331 ms 6844 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 0 ms 200 KB Output is correct
3 Correct 1 ms 328 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 4 ms 456 KB Output is correct
2 Correct 8 ms 584 KB Output is correct
3 Correct 18 ms 840 KB Output is correct
4 Correct 41 ms 1352 KB Output is correct
5 Correct 86 ms 2432 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 0 ms 200 KB Output is correct
3 Correct 1 ms 328 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 4 ms 456 KB Output is correct
6 Correct 8 ms 584 KB Output is correct
7 Correct 18 ms 840 KB Output is correct
8 Correct 41 ms 1352 KB Output is correct
9 Correct 86 ms 2432 KB Output is correct
10 Correct 4 ms 464 KB Output is correct
11 Correct 54 ms 1716 KB Output is correct
12 Correct 87 ms 2404 KB Output is correct
13 Correct 66 ms 2624 KB Output is correct
14 Correct 64 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 0 ms 200 KB Output is correct
3 Correct 1 ms 328 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 4 ms 456 KB Output is correct
6 Correct 8 ms 584 KB Output is correct
7 Correct 18 ms 840 KB Output is correct
8 Correct 41 ms 1352 KB Output is correct
9 Correct 86 ms 2432 KB Output is correct
10 Correct 4 ms 464 KB Output is correct
11 Correct 54 ms 1716 KB Output is correct
12 Correct 87 ms 2404 KB Output is correct
13 Correct 66 ms 2624 KB Output is correct
14 Correct 64 ms 2440 KB Output is correct
15 Correct 269 ms 5904 KB Output is correct
16 Correct 269 ms 5944 KB Output is correct
17 Correct 193 ms 6144 KB Output is correct
18 Correct 176 ms 5776 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 0 ms 200 KB Output is correct
3 Correct 1 ms 328 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 4 ms 456 KB Output is correct
6 Correct 8 ms 584 KB Output is correct
7 Correct 18 ms 840 KB Output is correct
8 Correct 41 ms 1352 KB Output is correct
9 Correct 86 ms 2432 KB Output is correct
10 Correct 4 ms 464 KB Output is correct
11 Correct 54 ms 1716 KB Output is correct
12 Correct 87 ms 2404 KB Output is correct
13 Correct 66 ms 2624 KB Output is correct
14 Correct 64 ms 2440 KB Output is correct
15 Correct 269 ms 5904 KB Output is correct
16 Correct 269 ms 5944 KB Output is correct
17 Correct 193 ms 6144 KB Output is correct
18 Correct 176 ms 5776 KB Output is correct
19 Correct 331 ms 6104 KB Output is correct
20 Correct 277 ms 6008 KB Output is correct
21 Correct 197 ms 6412 KB Output is correct
22 Correct 189 ms 6012 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 0 ms 200 KB Output is correct
3 Correct 1 ms 328 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 4 ms 456 KB Output is correct
6 Correct 8 ms 584 KB Output is correct
7 Correct 18 ms 840 KB Output is correct
8 Correct 41 ms 1352 KB Output is correct
9 Correct 86 ms 2432 KB Output is correct
10 Correct 4 ms 464 KB Output is correct
11 Correct 54 ms 1716 KB Output is correct
12 Correct 87 ms 2404 KB Output is correct
13 Correct 66 ms 2624 KB Output is correct
14 Correct 64 ms 2440 KB Output is correct
15 Correct 269 ms 5904 KB Output is correct
16 Correct 269 ms 5944 KB Output is correct
17 Correct 193 ms 6144 KB Output is correct
18 Correct 176 ms 5776 KB Output is correct
19 Correct 331 ms 6104 KB Output is correct
20 Correct 277 ms 6008 KB Output is correct
21 Correct 197 ms 6412 KB Output is correct
22 Correct 189 ms 6012 KB Output is correct
23 Correct 291 ms 6240 KB Output is correct
24 Correct 291 ms 6248 KB Output is correct
25 Correct 200 ms 6540 KB Output is correct
26 Correct 204 ms 5964 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 0 ms 200 KB Output is correct
3 Correct 1 ms 328 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 4 ms 456 KB Output is correct
6 Correct 8 ms 584 KB Output is correct
7 Correct 18 ms 840 KB Output is correct
8 Correct 41 ms 1352 KB Output is correct
9 Correct 86 ms 2432 KB Output is correct
10 Correct 4 ms 464 KB Output is correct
11 Correct 54 ms 1716 KB Output is correct
12 Correct 87 ms 2404 KB Output is correct
13 Correct 66 ms 2624 KB Output is correct
14 Correct 64 ms 2440 KB Output is correct
15 Correct 269 ms 5904 KB Output is correct
16 Correct 269 ms 5944 KB Output is correct
17 Correct 193 ms 6144 KB Output is correct
18 Correct 176 ms 5776 KB Output is correct
19 Correct 331 ms 6104 KB Output is correct
20 Correct 277 ms 6008 KB Output is correct
21 Correct 197 ms 6412 KB Output is correct
22 Correct 189 ms 6012 KB Output is correct
23 Correct 291 ms 6240 KB Output is correct
24 Correct 291 ms 6248 KB Output is correct
25 Correct 200 ms 6540 KB Output is correct
26 Correct 204 ms 5964 KB Output is correct
27 Correct 301 ms 6348 KB Output is correct
28 Correct 284 ms 6368 KB Output is correct
29 Correct 245 ms 6644 KB Output is correct
30 Correct 201 ms 6164 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 0 ms 200 KB Output is correct
3 Correct 1 ms 328 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 4 ms 456 KB Output is correct
6 Correct 8 ms 584 KB Output is correct
7 Correct 18 ms 840 KB Output is correct
8 Correct 41 ms 1352 KB Output is correct
9 Correct 86 ms 2432 KB Output is correct
10 Correct 4 ms 464 KB Output is correct
11 Correct 54 ms 1716 KB Output is correct
12 Correct 87 ms 2404 KB Output is correct
13 Correct 66 ms 2624 KB Output is correct
14 Correct 64 ms 2440 KB Output is correct
15 Correct 269 ms 5904 KB Output is correct
16 Correct 269 ms 5944 KB Output is correct
17 Correct 193 ms 6144 KB Output is correct
18 Correct 176 ms 5776 KB Output is correct
19 Correct 331 ms 6104 KB Output is correct
20 Correct 277 ms 6008 KB Output is correct
21 Correct 197 ms 6412 KB Output is correct
22 Correct 189 ms 6012 KB Output is correct
23 Correct 291 ms 6240 KB Output is correct
24 Correct 291 ms 6248 KB Output is correct
25 Correct 200 ms 6540 KB Output is correct
26 Correct 204 ms 5964 KB Output is correct
27 Correct 301 ms 6348 KB Output is correct
28 Correct 284 ms 6368 KB Output is correct
29 Correct 245 ms 6644 KB Output is correct
30 Correct 201 ms 6164 KB Output is correct
31 Correct 314 ms 6540 KB Output is correct
32 Correct 299 ms 6536 KB Output is correct
33 Correct 212 ms 6844 KB Output is correct
34 Correct 204 ms 6360 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 0 ms 200 KB Output is correct
3 Correct 1 ms 328 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 4 ms 456 KB Output is correct
6 Correct 8 ms 584 KB Output is correct
7 Correct 18 ms 840 KB Output is correct
8 Correct 41 ms 1352 KB Output is correct
9 Correct 86 ms 2432 KB Output is correct
10 Correct 4 ms 464 KB Output is correct
11 Correct 54 ms 1716 KB Output is correct
12 Correct 87 ms 2404 KB Output is correct
13 Correct 66 ms 2624 KB Output is correct
14 Correct 64 ms 2440 KB Output is correct
15 Correct 269 ms 5904 KB Output is correct
16 Correct 269 ms 5944 KB Output is correct
17 Correct 193 ms 6144 KB Output is correct
18 Correct 176 ms 5776 KB Output is correct
19 Correct 331 ms 6104 KB Output is correct
20 Correct 277 ms 6008 KB Output is correct
21 Correct 197 ms 6412 KB Output is correct
22 Correct 189 ms 6012 KB Output is correct
23 Correct 291 ms 6240 KB Output is correct
24 Correct 291 ms 6248 KB Output is correct
25 Correct 200 ms 6540 KB Output is correct
26 Correct 204 ms 5964 KB Output is correct
27 Correct 301 ms 6348 KB Output is correct
28 Correct 284 ms 6368 KB Output is correct
29 Correct 245 ms 6644 KB Output is correct
30 Correct 201 ms 6164 KB Output is correct
31 Correct 314 ms 6540 KB Output is correct
32 Correct 299 ms 6536 KB Output is correct
33 Correct 212 ms 6844 KB Output is correct
34 Correct 204 ms 6360 KB Output is correct
35 Incorrect 313 ms 6544 KB Wrong Answer [2]
36 Halted 0 ms 0 KB -