oj.uz

Submission #376710

# Submission time Handle Problem Language Result Execution time Memory
376710 2021-03-12T02:22:07 Z fhvirus Minerals (JOI19_minerals) C++17
80 / 100
 60 ms 3428 KB 
#include "minerals.h"
 
// Knapsack DP is harder than FFT.
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int,int> pii; typedef pair<ll,ll> pll;
#define ff first
#define ss second
#define pb emplace_back
#define FOR(i,n) for(int i = 0; i < (n); ++i)
#define FOO(i,a,b) for(int i = (a); i <= (b); ++i)
#define AI(x) begin(x),end(x)
template<class I> bool chmax(I &a, I b){ return a < b ? (a = b, true) : false;}
template<class I> bool chmin(I &a, I b){ return a > b ? (a = b, true) : false;}
#ifdef OWO
#define debug(args...) LKJ("[ " + string(#args) + " ]", args)
void LKJ(){ cerr<<endl;}
template<class I, class...T> void LKJ(I&&x, T&&...t){ cerr<<x<<", ", LKJ(t...);}
template<class I> void DE(I a, I b){ while(a < b) cerr<<*a<<" \n"[next(a) == b], ++a;}
#else
#define debug(...) 0
#define DE(...) 0
#endif
 
void solve(vector<int> &a, vector<int> &b, bool in){
	debug("solving:");
	DE(AI(a)); DE(AI(b));
	assert(a.size() == b.size());
 
	if(a.size() < 1 or b.size() < 1){
		return;
	}
	if(a.size() == 1 and b.size() == 1){
		Answer(a[0], b[0]);
		return;
	}
	vector<int> la, lb, ra, rb;
	int h = a.size() / 2;
	for(int i = 0; i < h; ++i) la.pb(a[i]);
	for(int i = h; i < a.size(); ++i) lb.pb(a[i]);
 
	int ls, cs;
	for(int i: la) cs = Query(i);
 
	for(int i: b){
		ls = cs;
		cs = Query(i);
		if(cs == ls ^ in) ra.pb(i);
		else rb.pb(i);
	}
	// for(int i: rb)
	// 	cs = Query(i);
 
	DE(AI(la)); DE(AI(lb));
	DE(AI(ra)); DE(AI(rb));
 
	solve(la, ra, !in);
	solve(lb, rb,  in);
}
 
void Solve(int N) {
	vector<int> hulan;
	for(int i = 1; i <= N * 2; ++i) hulan.pb(i);
	random_shuffle(AI(hulan));
	vector<vector<int>> as, bs;
	vector<int> a, b;
	int ls = 0, cs;
	for(int i: hulan){
		cs = Query(i);
		if(cs == ls) b.pb(i);
		else a.pb(i);

		if(a.size() == b.size()){
			as.pb(a);
			bs.pb(b);
			a.clear();
			b.clear();
		}

		ls = cs;
	}
 	for(int i = 0; i < as.size(); ++i)
 		solve(as[i], bs[i], true);
}

Compilation message

minerals.cpp: In function 'void solve(std::vector<int>&, std::vector<int>&, bool)':
minerals.cpp:22:20: warning: statement has no effect [-Wunused-value]
   22 | #define debug(...) 0
      |                    ^
minerals.cpp:27:2: note: in expansion of macro 'debug'
   27 |  debug("solving:");
      |  ^~~~~
minerals.cpp:23:17: warning: statement has no effect [-Wunused-value]
   23 | #define DE(...) 0
      |                 ^
minerals.cpp:28:2: note: in expansion of macro 'DE'
   28 |  DE(AI(a)); DE(AI(b));
      |  ^~
minerals.cpp:23:17: warning: statement has no effect [-Wunused-value]
   23 | #define DE(...) 0
      |                 ^
minerals.cpp:28:13: note: in expansion of macro 'DE'
   28 |  DE(AI(a)); DE(AI(b));
      |             ^~
minerals.cpp:41:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |  for(int i = h; i < a.size(); ++i) lb.pb(a[i]);
      |                 ~~^~~~~~~~~~
minerals.cpp:49:9: warning: suggest parentheses around comparison in operand of '^' [-Wparentheses]
   49 |   if(cs == ls ^ in) ra.pb(i);
      |      ~~~^~~~~
minerals.cpp:23:17: warning: statement has no effect [-Wunused-value]
   23 | #define DE(...) 0
      |                 ^
minerals.cpp:55:2: note: in expansion of macro 'DE'
   55 |  DE(AI(la)); DE(AI(lb));
      |  ^~
minerals.cpp:23:17: warning: statement has no effect [-Wunused-value]
   23 | #define DE(...) 0
      |                 ^
minerals.cpp:55:14: note: in expansion of macro 'DE'
   55 |  DE(AI(la)); DE(AI(lb));
      |              ^~
minerals.cpp:23:17: warning: statement has no effect [-Wunused-value]
   23 | #define DE(...) 0
      |                 ^
minerals.cpp:56:2: note: in expansion of macro 'DE'
   56 |  DE(AI(ra)); DE(AI(rb));
      |  ^~
minerals.cpp:23:17: warning: statement has no effect [-Wunused-value]
   23 | #define DE(...) 0
      |                 ^
minerals.cpp:56:14: note: in expansion of macro 'DE'
   56 |  DE(AI(ra)); DE(AI(rb));
      |              ^~
minerals.cpp: In function 'void Solve(int)':
minerals.cpp:83:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   83 |   for(int i = 0; i < as.size(); ++i)
      |                  ~~^~~~~~~~~~~
minerals.cpp: In function 'void solve(std::vector<int>&, std::vector<int>&, bool)':
minerals.cpp:49:9: warning: 'cs' may be used uninitialized in this function [-Wmaybe-uninitialized]
   49 |   if(cs == ls ^ in) ra.pb(i);
      |      ~~~^~~~~

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 1 ms 364 KB Output is correct
2 Correct 2 ms 492 KB Output is correct
3 Correct 4 ms 620 KB Output is correct
4 Correct 8 ms 876 KB Output is correct
5 Correct 17 ms 1396 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 1 ms 364 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 4 ms 620 KB Output is correct
8 Correct 8 ms 876 KB Output is correct
9 Correct 17 ms 1396 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 11 ms 1260 KB Output is correct
12 Correct 17 ms 1388 KB Output is correct
13 Correct 17 ms 1388 KB Output is correct
14 Correct 16 ms 1388 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 1 ms 364 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 4 ms 620 KB Output is correct
8 Correct 8 ms 876 KB Output is correct
9 Correct 17 ms 1396 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 11 ms 1260 KB Output is correct
12 Correct 17 ms 1388 KB Output is correct
13 Correct 17 ms 1388 KB Output is correct
14 Correct 16 ms 1388 KB Output is correct
15 Correct 48 ms 3172 KB Output is correct
16 Correct 57 ms 3428 KB Output is correct
17 Correct 54 ms 3172 KB Output is correct
18 Correct 48 ms 3044 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 1 ms 364 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 4 ms 620 KB Output is correct
8 Correct 8 ms 876 KB Output is correct
9 Correct 17 ms 1396 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 11 ms 1260 KB Output is correct
12 Correct 17 ms 1388 KB Output is correct
13 Correct 17 ms 1388 KB Output is correct
14 Correct 16 ms 1388 KB Output is correct
15 Correct 48 ms 3172 KB Output is correct
16 Correct 57 ms 3428 KB Output is correct
17 Correct 54 ms 3172 KB Output is correct
18 Correct 48 ms 3044 KB Output is correct
19 Correct 53 ms 3300 KB Output is correct
20 Correct 60 ms 3236 KB Output is correct
21 Correct 49 ms 3300 KB Output is correct
22 Correct 49 ms 3172 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 1 ms 364 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 4 ms 620 KB Output is correct
8 Correct 8 ms 876 KB Output is correct
9 Correct 17 ms 1396 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 11 ms 1260 KB Output is correct
12 Correct 17 ms 1388 KB Output is correct
13 Correct 17 ms 1388 KB Output is correct
14 Correct 16 ms 1388 KB Output is correct
15 Correct 48 ms 3172 KB Output is correct
16 Correct 57 ms 3428 KB Output is correct
17 Correct 54 ms 3172 KB Output is correct
18 Correct 48 ms 3044 KB Output is correct
19 Correct 53 ms 3300 KB Output is correct
20 Correct 60 ms 3236 KB Output is correct
21 Correct 49 ms 3300 KB Output is correct
22 Correct 49 ms 3172 KB Output is correct
23 Correct 59 ms 3428 KB Output is correct
24 Correct 54 ms 3428 KB Output is correct
25 Correct 50 ms 3300 KB Output is correct
26 Correct 51 ms 3172 KB Output is correct

Subtask #7
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 1 ms 364 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 4 ms 620 KB Output is correct
8 Correct 8 ms 876 KB Output is correct
9 Correct 17 ms 1396 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 11 ms 1260 KB Output is correct
12 Correct 17 ms 1388 KB Output is correct
13 Correct 17 ms 1388 KB Output is correct
14 Correct 16 ms 1388 KB Output is correct
15 Correct 48 ms 3172 KB Output is correct
16 Correct 57 ms 3428 KB Output is correct
17 Correct 54 ms 3172 KB Output is correct
18 Correct 48 ms 3044 KB Output is correct
19 Correct 53 ms 3300 KB Output is correct
20 Correct 60 ms 3236 KB Output is correct
21 Correct 49 ms 3300 KB Output is correct
22 Correct 49 ms 3172 KB Output is correct
23 Correct 59 ms 3428 KB Output is correct
24 Correct 54 ms 3428 KB Output is correct
25 Correct 50 ms 3300 KB Output is correct
26 Correct 51 ms 3172 KB Output is correct
27 Incorrect 57 ms 3428 KB Wrong Answer [2]
28 Halted 0 ms 0 KB -

Subtask #8
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 1 ms 364 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 4 ms 620 KB Output is correct
8 Correct 8 ms 876 KB Output is correct
9 Correct 17 ms 1396 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 11 ms 1260 KB Output is correct
12 Correct 17 ms 1388 KB Output is correct
13 Correct 17 ms 1388 KB Output is correct
14 Correct 16 ms 1388 KB Output is correct
15 Correct 48 ms 3172 KB Output is correct
16 Correct 57 ms 3428 KB Output is correct
17 Correct 54 ms 3172 KB Output is correct
18 Correct 48 ms 3044 KB Output is correct
19 Correct 53 ms 3300 KB Output is correct
20 Correct 60 ms 3236 KB Output is correct
21 Correct 49 ms 3300 KB Output is correct
22 Correct 49 ms 3172 KB Output is correct
23 Correct 59 ms 3428 KB Output is correct
24 Correct 54 ms 3428 KB Output is correct
25 Correct 50 ms 3300 KB Output is correct
26 Correct 51 ms 3172 KB Output is correct
27 Incorrect 57 ms 3428 KB Wrong Answer [2]
28 Halted 0 ms 0 KB -

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 1 ms 364 KB Output is correct
6 Correct 2 ms 492 KB Output is correct
7 Correct 4 ms 620 KB Output is correct
8 Correct 8 ms 876 KB Output is correct
9 Correct 17 ms 1396 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 11 ms 1260 KB Output is correct
12 Correct 17 ms 1388 KB Output is correct
13 Correct 17 ms 1388 KB Output is correct
14 Correct 16 ms 1388 KB Output is correct
15 Correct 48 ms 3172 KB Output is correct
16 Correct 57 ms 3428 KB Output is correct
17 Correct 54 ms 3172 KB Output is correct
18 Correct 48 ms 3044 KB Output is correct
19 Correct 53 ms 3300 KB Output is correct
20 Correct 60 ms 3236 KB Output is correct
21 Correct 49 ms 3300 KB Output is correct
22 Correct 49 ms 3172 KB Output is correct
23 Correct 59 ms 3428 KB Output is correct
24 Correct 54 ms 3428 KB Output is correct
25 Correct 50 ms 3300 KB Output is correct
26 Correct 51 ms 3172 KB Output is correct
27 Incorrect 57 ms 3428 KB Wrong Answer [2]
28 Halted 0 ms 0 KB -