oj.uz

Submission #711304

# Submission time Handle Problem Language Result Execution time Memory
711304 2023-03-16T14:27:14 Z Antekb Monster Game (JOI21_monster) C++17
75 / 100
 171 ms 1408 KB 
#include<bits/stdc++.h>

#define st first
#define nd second
#define pb push_back
#define eb emplace_back
#define mp make_pair
#define pp pop_back
#define all(x) (x).begin(), (x).end()

using namespace std;

void debug(){cerr<<"\n";}
template<typename H, typename... T>
void debug(H h, T... t){
  cerr<<h;
  if(sizeof...(t)){cerr<<", ";debug(t...);}
}
template<typename T>
void debug(vector<T> V){
	cerr<<"{";
	for(int i=0; i<V.size(); i++){
		debug(V[i]);
		if(i+1!=V.size())cerr<<", ";
	}
	cerr<<"}";
}
#define deb(x...) cerr<<#x<<" = ";debug(x);cerr<<"\n";

using ll = long long;
using pii = pair<int, int>;
using vi = vector<int>;
using vii = vector<pii>;
using vvi = vector<vi>;
mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());

#include "monster.h"
map<pii, bool> M;
map<int, int> S[2];
bool czy(int a, int b){//T[a]>T[b]
    int ans=0;
    if(a>b)ans^=1, swap(a, b);
    if(M.find(mp(a, b))==M.end()){
        M[{a, b}]=Query(a, b);
    }
    return ans^M[{a, b}];
}
vvi solve(vi V){
    if(V.size()==1)return {{V[0]}};
    vi L, R;
    for(int i=0; i<V.size(); i++){
        if(i&1)L.pb(V[i]);
        else R.pb(V[i]);
    }
    vvi l=solve(L);
    vvi r=solve(R);
    vvi res;
    //deb(V);
    while(l.size() || r.size()){
    	if(!r.size())res.pb(l.back()), l.pp();
    	else if(!l.size())res.pb(r.back()), r.pp();
    	else{
    		if(l.back().size()==3){
    			//deb("a");
    			bool b=czy(l.back()[0], r.back()[0]);
    			if(S[b^1].find(l.back()[0])!=S[b^1].end()){
    				if(S[b^1][l.back()[0]]==r.back()[0])b^=1;
    			}
    			else if(b!=czy(l.back()[1], r.back()[0])){
    				b=czy(l.back()[2], r.back()[0]);
    				//deb(l.back()[0], b);
    				S[b][l.back()[0]]=r.back()[0];
    				S[b][l.back()[1]]=r.back()[0];
    				S[b][l.back()[2]]=r.back()[0];
    			}
    			//deb(b);
    			if(b)res.pb(l.back()), l.pp();
    			else{
    				//deb("aa");
    				if(r.back().size()==1 && res.size()>=2 && res.back().size()==1 && res[res.size()-2].size()==1){
    					if(!czy(res[res.size()-2][0], r.back()[0])){
    						r.back().pb(res[res.size()-2][0]);
    						r.back().pb(res.back()[0]);
    						res.pp();
    						res.pp();
    					}
    				}
    				res.pb(r.back()), r.pp();
    			}
    		}
    		else if(r.back().size()==3){
    			//deb("b");
    			//deb(l);
    			//deb(r);
    			//deb(res);
    			bool b=czy(r.back()[0], l.back()[0]);
    			if(S[b^1].find(l.back()[0])!=S[b^1].end()){
    				if(S[b^1][l.back()[0]]==r.back()[0])b^=1;
    			}
    			else if(b!=czy(r.back()[1], l.back()[0])){
    				b=czy(r.back()[2], l.back()[0]);
    				//deb(r.back()[0], b);
    				S[b][r.back()[0]]=l.back()[0];
    				S[b][r.back()[1]]=l.back()[0];
    				S[b][r.back()[2]]=l.back()[0];
    			}
    			if(b)res.pb(r.back()), r.pp();
    			else{
    				//deb("bb");
    				if(res.size()>=2 && res.back().size()==1 && res[res.size()-2].size()==1){
    					if(!czy(res[res.size()-2][0], l.back()[0])){
    						l.back().pb(res[res.size()-2][0]);
    						l.back().pb(res.back()[0]);
    						res.pp();
    						res.pp();
    					}
    				}
    				res.pb(l.back()), l.pp();
    			}
    		}
    		else{
    			if(czy(l.back()[0], r.back()[0])){
    				//deb("c");
    				if(r.size()>=2 && r[r.size()-2].size()==1 && czy(r[r.size()-2][0], l.back()[0])){
    					//deb("cc");
    					vi V2;
    					V2.pb(l.back()[0]);
    					l.pp();
    					V2.pb(r.back()[0]);
    					r.pp();
    					V2.pb(r.back()[0]);
    					r.pp();
    					r.pb(V2);
    					//deb(l);
    					//deb(r);
    				}
    				else{
    					res.pb(l.back());
    					l.pp();
    				}
    			}
    			else{
    				//deb("d");
    				if(l.size()>=2 && l[l.size()-2].size()==1 && czy(l[l.size()-2][0], r.back()[0])){
    					vi V2;
    					V2.pb(r.back()[0]);
    					r.pp();
    					V2.pb(l.back()[0]);
    					l.pp();
    					V2.pb(l.back()[0]);
    					l.pp();
    					l.pb(V2);
    					//deb(l);
    					//deb(r);
    				}
    				else{
    					res.pb(r.back());
    					r.pp();
    				}
    			}
    		}
    	}
    	//deb(res);
    }
    reverse(all(res));
   	//deb(res);
    return res;
}

vi Solve(int n) {
    vi VV;
    for(int i=0; i<n; i++)VV.pb(i);
    vvi V=solve(VV);
    int lst=-1;
    //deb(V);
    for(int i=0; i<V.size(); i++){
    	if(V[i].size()==3)lst=i;
    	if(lst==i-2 && czy(V[i][0], V[i-1][0])){
    		swap(V[i], V[i-1]);
    		lst=i;
    	}
    }
    //deb(V);
    deb(M.size());
    for(int i=1; i<V.size(); i++){
    	//deb(i+1);
    	bool b=0;
    	for(int j=V[i-1].size()-1; j>=0; j--){
    		for(int k=0; k<V[i].size(); k++){
    			//deb(i);
    			if(!czy(V[i][k], V[i-1][j])){
    				//deb(k, j, i);
    				while(j!=V[i-1].size()-1){
    					swap(V[i-1][2], V[i-1][1]);
    					swap(V[i-1][1], V[i-1][0]);
    					j++;
    				}
    				while(k!=0 && k!=3){
    					swap(V[i][2], V[i][1]);
    					swap(V[i][1], V[i][0]);
    					k++;
    				}
    				//deb(V);
    				//deb(k, j, i);
    				b=1;
    			}
    			if(b)break;
    		}
    		if(b)break;
    	}
    }
    deb(M.size());
   	//deb(V);
    vi res(n);
    int wsk=0;
    for(vi v:V){
    	for(int i:v){
    		res[i]=wsk++;
    	}
    }
    return res;
}

Compilation message

monster.cpp: In function 'vvi solve(vi)':
monster.cpp:51:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   51 |     for(int i=0; i<V.size(); i++){
      |                  ~^~~~~~~~~
monster.cpp: In function 'vi Solve(int)':
monster.cpp:176:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  176 |     for(int i=0; i<V.size(); i++){
      |                  ~^~~~~~~~~
monster.cpp:185:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  185 |     for(int i=1; i<V.size(); i++){
      |                  ~^~~~~~~~~
monster.cpp:189:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  189 |       for(int k=0; k<V[i].size(); k++){
      |                    ~^~~~~~~~~~~~
monster.cpp:193:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  193 |         while(j!=V[i-1].size()-1){
      |               ~^~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 304 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 1 ms 208 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
11 Correct 1 ms 208 KB Output is correct
12 Correct 1 ms 208 KB Output is correct
13 Correct 1 ms 208 KB Output is correct
14 Correct 1 ms 208 KB Output is correct
15 Correct 1 ms 208 KB Output is correct
16 Correct 22 ms 360 KB Output is correct
17 Correct 23 ms 348 KB Output is correct
18 Correct 24 ms 432 KB Output is correct
19 Correct 11 ms 420 KB Output is correct
20 Correct 22 ms 480 KB Output is correct
21 Correct 1 ms 208 KB Output is correct
22 Correct 1 ms 208 KB Output is correct
23 Correct 1 ms 208 KB Output is correct
24 Correct 1 ms 208 KB Output is correct
25 Correct 1 ms 208 KB Output is correct
26 Correct 24 ms 388 KB Output is correct
27 Correct 1 ms 208 KB Output is correct
28 Correct 1 ms 208 KB Output is correct
29 Correct 1 ms 304 KB Output is correct
30 Correct 1 ms 208 KB Output is correct
31 Correct 1 ms 208 KB Output is correct
32 Correct 31 ms 372 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 208 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 1 ms 304 KB Output is correct
6 Correct 1 ms 208 KB Output is correct
7 Correct 1 ms 208 KB Output is correct
8 Correct 1 ms 208 KB Output is correct
9 Correct 1 ms 208 KB Output is correct
10 Correct 1 ms 208 KB Output is correct
11 Correct 1 ms 208 KB Output is correct
12 Correct 1 ms 208 KB Output is correct
13 Correct 1 ms 208 KB Output is correct
14 Correct 1 ms 208 KB Output is correct
15 Correct 1 ms 208 KB Output is correct
16 Correct 22 ms 360 KB Output is correct
17 Correct 23 ms 348 KB Output is correct
18 Correct 24 ms 432 KB Output is correct
19 Correct 11 ms 420 KB Output is correct
20 Correct 22 ms 480 KB Output is correct
21 Correct 1 ms 208 KB Output is correct
22 Correct 1 ms 208 KB Output is correct
23 Correct 1 ms 208 KB Output is correct
24 Correct 1 ms 208 KB Output is correct
25 Correct 1 ms 208 KB Output is correct
26 Correct 24 ms 388 KB Output is correct
27 Correct 1 ms 208 KB Output is correct
28 Correct 1 ms 208 KB Output is correct
29 Correct 1 ms 304 KB Output is correct
30 Correct 1 ms 208 KB Output is correct
31 Correct 1 ms 208 KB Output is correct
32 Correct 31 ms 372 KB Output is correct
33 Correct 83 ms 1284 KB Output is correct
34 Correct 157 ms 1188 KB Output is correct
35 Correct 148 ms 1328 KB Output is correct
36 Correct 171 ms 1216 KB Output is correct
37 Correct 144 ms 1240 KB Output is correct
38 Correct 137 ms 1288 KB Output is correct
39 Correct 156 ms 1228 KB Output is correct
40 Correct 168 ms 1244 KB Output is correct
41 Correct 142 ms 1268 KB Output is correct
42 Correct 138 ms 1312 KB Output is correct
43 Correct 113 ms 1408 KB Output is correct
44 Correct 85 ms 1268 KB Output is correct

Subtask #3
50.0 / 75.0

# Verdict Execution time Memory Grader output
1 Partially correct 135 ms 1408 KB Partially correct
2 Partially correct 137 ms 1380 KB Partially correct
3 Partially correct 151 ms 1292 KB Partially correct
4 Partially correct 163 ms 1264 KB Partially correct
5 Partially correct 161 ms 1276 KB Partially correct
6 Correct 66 ms 896 KB Output is correct
7 Correct 74 ms 796 KB Output is correct
8 Partially correct 132 ms 1292 KB Partially correct
9 Partially correct 147 ms 1272 KB Partially correct
10 Partially correct 117 ms 1252 KB Partially correct
11 Partially correct 147 ms 1288 KB Partially correct
12 Partially correct 135 ms 1408 KB Partially correct
13 Correct 79 ms 772 KB Output is correct
14 Correct 83 ms 892 KB Output is correct
15 Correct 46 ms 672 KB Output is correct
16 Correct 40 ms 576 KB Output is correct
17 Correct 48 ms 668 KB Output is correct
18 Correct 75 ms 704 KB Output is correct