oj.uz

Submission #400050

# Submission time Handle Problem Language Result Execution time Memory
400050 2021-05-07T08:55:48 Z kshitij_sodani Simurgh (IOI17_simurgh) C++14
70 / 100
 306 ms 5008 KB 
//#pragma GCC optimize("Ofast,unroll-loops")
#include <bits/stdc++.h>
using namespace std;
typedef long long llo;
#define mp make_pair
#define pb push_back
#define a first 
#define b second
#define endl '\n'
#define ask ask3
//#define ask3 
#include "simurgh.h"
int par[501];
int count3=0;
int ask3(vector<int> xx){

	count3++;
	return count_common_roads(xx);
}
vector<pair<int,int>> adj[513];
int ind5[513][513];
int n;
int vis[513];
int find(int no){
	if(par[no]==no){
		return no;
	}
	par[no]=find(par[no]);
	return par[no];
}
int ca=-1;
vector<int> pp;
vector<int> pp2;
void dfs(int no,int par2=-1){
	if(no==ca){
		pp2=pp;
	}
	for(auto j:adj[no]){
		if(j.a!=par2){
			pp.pb(j.b);
			dfs(j.a,no);
			pp.pop_back();
		}
	}
}
vector<int> ans2;
vector<int> ans;
int count2=0;
int ask2(vector<pair<int,int>> cur){
	/*cout<<11<<endl;
	for(auto i:cur){
		cout<<i.a<<"::"<<i.b<<endl;
	}*/
	for(int i=0;i<n;i++){
		vis[i]=0;
	}
	for(auto i:cur){
		vis[i.a]=1;
		vis[i.b]=1;
	}
/*	for(auto i:cur){
		cout<<i.a<<"::"<<i.b<<endl;
	}*/
	vector<int> qq;
	int xx=0;
	for(int i=1;i<n;i++){
		if(vis[i]==0){
			qq.pb(ind5[0][i]);
			if(ans[ind5[0][i]]==1){
				xx--;
			}
		}
	}
	for(auto i:cur){
		qq.pb(ind5[i.a][i.b]);
		qq.pb(ind5[0][i.a]);
		if(ans[ind5[0][i.a]]==1){
			xx--;
		}
	}
/*	for(auto j:qq){
		cout<<j<<".";
	}
	cout<<endl;*/
	xx+=ask(qq);
	count2++;
	
	//cout<<xx<<endl<<endl;

	return xx;

}
void solve(vector<pair<int,int>> xx,int val2){
	if(val2==0){
		return;
	}
	if(xx.size()==1){
		if(xx[0].b>xx[0].a+1 and xx[0].a!=0){
			ans[ind5[xx[0].a][xx[0].b]]=1;
			ans2.pb(ind5[xx[0].a][xx[0].b]);
		}
	}
	else{
		vector<pair<int,int>> yy;
		vector<pair<int,int>> zz;
		for(int i=0;i<xx.size()/2;i++){
			yy.pb(xx[i]);
		}
		for(int i=xx.size()/2;i<xx.size();i++){
			zz.pb(xx[i]);
		}
		int val3=ask2(yy);
		solve(yy,val3);
		solve(zz,val2-val3);
	}
}
vector<int> find_roads2(int n,vector<int> uu,vector<int> vv) {
	int m=uu.size();
	for(int i=0;i<n;i++){
		par[i]=i;
	}
	vector<pair<pair<int,int>,int>> cur;
	vector<pair<pair<int,int>,int>> cur2;
	for(int i=0;i<m;i++){
		int x=find(uu[i]);
		int y=find(vv[i]);
		if(x!=y){
			par[x]=y;
			cur.pb({{uu[i],vv[i]},i});
			adj[uu[i]].pb({vv[i],i});
			adj[vv[i]].pb({uu[i],i});
		}
		else{
			cur2.pb({{uu[i],vv[i]},i});
		}
	}
	//mt19937 rng;
	//rng=mt19937(chrono::steady_clock::now().time_since_epoch().count());
	int val;
	vector<int> ee;
	for(auto j:cur){
		ee.pb(j.b);
	}
	val=ask(ee);
	count2++;
	vector<int> ans;
	for(int i=0;i<m;i++){
		ans.pb(0);
	}
 
	for(auto j:cur2){
 
		ca=j.a.b;
		dfs(j.a.a);
		int cur=-1;
		for(auto i:pp2){
			if(ans[i]!=0){
				cur=i;
			}
		}
	/*	for(auto i:pp2){
			cout<<i<<",";
		}
		cout<<endl;*/
		if(cur==-1){
			vector<pair<int,int>> xx;
			xx.pb({val,j.b});
			for(auto i:pp2){
				vector<int> ff;
				for(auto jj:ee){
					if(jj!=i){
						ff.pb(jj);
					}
				}
				ff.pb(j.b);
				int val2=ask(ff);
				count2++;
				xx.pb({val2,i});
			}
			sort(xx.begin(),xx.end());
			for(int i=0;i<xx.size();i++){
				if(xx[i].a==xx.back().a-1){
					ans[xx[i].b]=1;
				}
				else{
					ans[xx[i].b]=-1;
				}
			}
			/*for(auto j:xx){
				cout<<j.a<<"::"<<j.b<<endl;
			}
			cout<<endl;*/
		}
		else{
			if(true){
				vector<int> ff;
				for(auto jj:ee){
					if(jj!=cur){
						ff.pb(jj);
					}
				}
				ff.pb(j.b);
				int val2=ask(ff);
				count2++;
				int xx=val;
				if(ans[cur]==1){
					xx--;
				}
				if(val2==xx){
					ans[j.b]=-1;
				}
				else{
					ans[j.b]=1;
				}
			}
			for(auto i:pp2){
				if(ans[i]!=0){
					continue;
				}
				vector<int> ff;
				for(auto jj:ee){
					if(jj!=i){
						ff.pb(jj);
					}
				}
				ff.pb(j.b);
				int val2=ask(ff);
				count2++;
				int xx=val;
				if(ans[j.b]==1){
					xx+=1;
				}
				if(val2==xx){
					ans[i]=-1;
				}
				else{	
					ans[i]=1;
				}
			}
		}
	/*	for(auto i:ans){
			cout<<i<<".";
		}
		cout<<endl;*/
 
	}
	vector<int> ans2;
	for(int i=0;i<m;i++){
		if(ans[i]==1 or ans[i]==0){
			ans2.pb(i);
		}
	}
	// for(int i=0;i<m;i++){
	// 	cout<<ans[i]<<":";
	// }
	// cout<<endl;
	return ans2;
 
 
 
/*	shuffle(cur2.begin(),cur2.end(),rng);
	for(auto j:cur2){
		if(val==n-1){
			break;
		}
		for(int i=0;i<n;i++){
			adj[i].clear();
		}
		for(auto i:cur){
			adj[i.a.a].pb({i.a.b,i.b});
			adj[i.a.b].pb({i.a.a,i.b});
		}
		ca=j.a.b;
		dfs(j.a.a);
		shuffle(pp2.begin(),pp2.end(),rng);
		for(auto i:pp2){
			vector<int> ff;
			for(auto jj:ee){
				if(jj!=i){
					ff.pb(jj);
				}
			}
			ff.pb(j.b);
			int val2=ask(ff);
			if(val2<val){
				break;
			}
			if(val2==val){
				continue;
			}
			vector<pair<pair<int,int>,int>> cur3;
			for(auto ii:cur){
				if(ii.b==i){
					continue;
				}
				cur3.pb(ii);
			}
			cur3.pb(j);
			cur=cur3;
			val=val2;
			ee=ff;
			break;
		}
	}*/
//	return ee;
}
vector<int> find_roads(int nnn,vector<int> uu,vector<int> vv) {
	int m=uu.size();
	n=nnn;
	if(nnn<=240){
		return  find_roads2(n,uu,vv);
	}
	count3=0;
	count2=0;
	for(int i=0;i<n;i++){
		par[i]=i;
	}
	vector<pair<pair<int,int>,int>> cur;
	vector<pair<pair<int,int>,int>> cur2;
	for(int i=0;i<m;i++){
		if(uu[i]>vv[i]){
			swap(uu[i],vv[i]);
		}
		ind5[uu[i]][vv[i]]=i;
		int x=find(uu[i]);
		int y=find(vv[i]);
		if(uu[i]!=0){
			if(abs(uu[i]-vv[i])>1){
				continue;
			}
		}
		if(uu[i]==0){
			//par[x]=y;
			cur.pb({{uu[i],vv[i]},i});
			adj[uu[i]].pb({vv[i],i});
			adj[vv[i]].pb({uu[i],i});
		}
		else{
			cur2.pb({{uu[i],vv[i]},i});
		}
	}
	//mt19937 rng;
	//rng=mt19937(chrono::steady_clock::now().time_since_epoch().count());
	int val;
	vector<int> ee;
	for(auto j:cur){
		ee.pb(j.b);
	}
	val=ask(ee);
	count2++;
	
	for(int i=0;i<m;i++){
		if(uu[i]!=0){
			if(abs(uu[i]-vv[i])>1){
				ans.pb(-2);
				continue;
			}
		}
		ans.pb(0);
	}

	for(auto j:cur2){

		ca=j.a.b;
		dfs(j.a.a);
		int cur=-1;
		for(auto i:pp2){
			if(ans[i]!=0){
				cur=i;
			}
		}
	/*	for(auto i:pp2){
			cout<<i<<",";
		}
		cout<<endl;*/
		if(cur==-1){
			vector<pair<int,int>> xx;
			xx.pb({val,j.b});
			for(auto i:pp2){
				vector<int> ff;
				for(auto jj:ee){
					if(jj!=i){
						ff.pb(jj);
					}
				}
				ff.pb(j.b);
				int val2=ask(ff);
				count2++;
				xx.pb({val2,i});
			}
			sort(xx.begin(),xx.end());
			for(int i=0;i<xx.size();i++){
				if(xx[i].a==xx.back().a-1){
					ans[xx[i].b]=1;
				}
				else{
					ans[xx[i].b]=-1;
				}
			}
			/*for(auto j:xx){
				cout<<j.a<<"::"<<j.b<<endl;
			}
			cout<<endl;*/
		}
		else{
			if(true){
				vector<int> ff;
				for(auto jj:ee){
					if(jj!=cur){
						ff.pb(jj);
					}
				}
				ff.pb(j.b);
				int val2=ask(ff);
				count2++;
				int xx=val;
				if(ans[cur]==1){
					xx--;
				}
				if(val2==xx){
					ans[j.b]=-1;
				}
				else{
					ans[j.b]=1;
				}
			}
			for(auto i:pp2){
				if(ans[i]!=0){
					continue;
				}
				vector<int> ff;
				for(auto jj:ee){
					if(jj!=i){
						ff.pb(jj);
					}
				}
				ff.pb(j.b);
				int val2=ask(ff);
				count2++;
				int xx=val;
				if(ans[j.b]==1){
					xx+=1;
				}
				if(val2==xx){
					ans[i]=-1;
				}
				else{	
					ans[i]=1;
				}
			}
		}
	/*	for(auto i:ans){
			cout<<i<<".";
		}
		cout<<endl;*/

	}
	vector<vector<pair<int,int>>> qq;
	for(int i=2;i<=256;i*=2){
		vector<vector<int>> aa;
		vector<vector<int>> bb;
		for(int j=0;j<512;j+=i){
			vector<int> cc;
			for(int k=j;k<j+i;k++){
				cc.pb(k);
			}
			if((j/i)%2==0){
				aa.pb(cc);
			}
			else{
				bb.pb(cc);
			}
		}
		for(int j=0;j<i;j++){
			for(int k=0;k<bb.size();k++){
				vector<int> dd;
				for(int ii=1;ii<i;ii++){
					dd.pb(bb[k][ii]);
				}
				dd.pb(bb[k][0]);
				bb[k]=dd;
			}
			vector<pair<int,int>> rr;
			for(int k=0;k<aa.size();k++){
				for(int l=0;l<aa[k].size();l++){
					rr.pb({aa[k][l],bb[k][l]});
				}
			}
			qq.pb(rr);
		}
	}

	
	
	for(int i=0;i<m;i++){
		if(ans[i]==0){
			ans[i]=1;
		}
		if(ans[i]==1){
			ans2.pb(i);
		}
		/*if(ans[i]==1 or ans[i]==0){
			ans2.pb(i);
		}*/
		//cout<<ans[i]<<":";
	}
	//cout<<endl;
	for(auto j:qq){
		vector<pair<int,int>> cur;

		for(auto i:j){
			if(i.a<n and i.b<n and i.a!=0 and abs(i.b-i.a)!=1){
				cur.pb(i);
			}
		}
		if(cur.size()){
			/*for(int i=0;i<n;i++){
				vis[i]=0;
			}
			for(auto i:cur){
				vis[i.a]=1;
				vis[i.b]=1;
			}*/

			/*for(auto i:cur){
				cout<<i.a<<"::"<<i.b<<endl;
			}
			cout<<endl;*/
		//	cout<<ask2(cur)<<endl;
			solve(cur,ask2(cur));


		}
	}
//	cout<<endl;
	// for(int i=0;i<m;i++){
	// 	cout<<ans[i]<<":";
	// }
	// cout<<endl;
	assert(count3<=8000);
	//cout<<count3<<endl;
	return ans2;



/*	shuffle(cur2.begin(),cur2.end(),rng);
	for(auto j:cur2){
		if(val==n-1){
			break;
		}
		for(int i=0;i<n;i++){
			adj[i].clear();
		}
		for(auto i:cur){
			adj[i.a.a].pb({i.a.b,i.b});
			adj[i.a.b].pb({i.a.a,i.b});
		}
		ca=j.a.b;
		dfs(j.a.a);
		shuffle(pp2.begin(),pp2.end(),rng);
		for(auto i:pp2){
			vector<int> ff;
			for(auto jj:ee){
				if(jj!=i){
					ff.pb(jj);
				}
			}
			ff.pb(j.b);
			int val2=ask(ff);
			if(val2<val){
				break;
			}
			if(val2==val){
				continue;
			}
			vector<pair<pair<int,int>,int>> cur3;
			for(auto ii:cur){
				if(ii.b==i){
					continue;
				}
				cur3.pb(ii);
			}
			cur3.pb(j);
			cur=cur3;
			val=val2;
			ee=ff;
			break;
		}
	}*/
//	return ee;
}

Compilation message

simurgh.cpp: In function 'void solve(std::vector<std::pair<int, int> >, int)':
simurgh.cpp:107:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  107 |   for(int i=0;i<xx.size()/2;i++){
      |               ~^~~~~~~~~~~~
simurgh.cpp:110:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  110 |   for(int i=xx.size()/2;i<xx.size();i++){
      |                         ~^~~~~~~~~~
simurgh.cpp: In function 'std::vector<int> find_roads2(int, std::vector<int>, std::vector<int>)':
simurgh.cpp:182:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  182 |    for(int i=0;i<xx.size();i++){
      |                ~^~~~~~~~~~
simurgh.cpp: In function 'std::vector<int> find_roads(int, std::vector<int>, std::vector<int>)':
simurgh.cpp:326:7: warning: unused variable 'x' [-Wunused-variable]
  326 |   int x=find(uu[i]);
      |       ^
simurgh.cpp:327:7: warning: unused variable 'y' [-Wunused-variable]
  327 |   int y=find(vv[i]);
      |       ^
simurgh.cpp:393:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  393 |    for(int i=0;i<xx.size();i++){
      |                ~^~~~~~~~~~
simurgh.cpp:476:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  476 |    for(int k=0;k<bb.size();k++){
      |                ~^~~~~~~~~~
simurgh.cpp:485:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  485 |    for(int k=0;k<aa.size();k++){
      |                ~^~~~~~~~~~
simurgh.cpp:486:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  486 |     for(int l=0;l<aa[k].size();l++){
      |                 ~^~~~~~~~~~~~~

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB correct
2 Correct 1 ms 204 KB correct
3 Correct 1 ms 204 KB correct
4 Correct 1 ms 204 KB correct
5 Correct 1 ms 204 KB correct
6 Correct 1 ms 204 KB correct
7 Correct 1 ms 204 KB correct
8 Correct 1 ms 204 KB correct
9 Correct 1 ms 204 KB correct
10 Correct 1 ms 204 KB correct
11 Correct 1 ms 204 KB correct
12 Correct 1 ms 204 KB correct
13 Correct 1 ms 204 KB correct

Subtask #2
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB correct
2 Correct 1 ms 204 KB correct
3 Correct 1 ms 204 KB correct
4 Correct 1 ms 204 KB correct
5 Correct 1 ms 204 KB correct
6 Correct 1 ms 204 KB correct
7 Correct 1 ms 204 KB correct
8 Correct 1 ms 204 KB correct
9 Correct 1 ms 204 KB correct
10 Correct 1 ms 204 KB correct
11 Correct 1 ms 204 KB correct
12 Correct 1 ms 204 KB correct
13 Correct 1 ms 204 KB correct
14 Correct 4 ms 332 KB correct
15 Correct 4 ms 332 KB correct
16 Correct 4 ms 332 KB correct
17 Correct 3 ms 332 KB correct
18 Correct 2 ms 332 KB correct
19 Correct 5 ms 332 KB correct
20 Correct 3 ms 332 KB correct
21 Correct 3 ms 332 KB correct
22 Correct 3 ms 332 KB correct
23 Correct 2 ms 332 KB correct
24 Correct 2 ms 360 KB correct
25 Correct 1 ms 204 KB correct
26 Correct 2 ms 332 KB correct
27 Correct 2 ms 336 KB correct
28 Correct 2 ms 332 KB correct
29 Correct 1 ms 204 KB correct
30 Correct 2 ms 332 KB correct
31 Correct 2 ms 332 KB correct
32 Correct 3 ms 332 KB correct
33 Correct 2 ms 332 KB correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB correct
2 Correct 1 ms 204 KB correct
3 Correct 1 ms 204 KB correct
4 Correct 1 ms 204 KB correct
5 Correct 1 ms 204 KB correct
6 Correct 1 ms 204 KB correct
7 Correct 1 ms 204 KB correct
8 Correct 1 ms 204 KB correct
9 Correct 1 ms 204 KB correct
10 Correct 1 ms 204 KB correct
11 Correct 1 ms 204 KB correct
12 Correct 1 ms 204 KB correct
13 Correct 1 ms 204 KB correct
14 Correct 4 ms 332 KB correct
15 Correct 4 ms 332 KB correct
16 Correct 4 ms 332 KB correct
17 Correct 3 ms 332 KB correct
18 Correct 2 ms 332 KB correct
19 Correct 5 ms 332 KB correct
20 Correct 3 ms 332 KB correct
21 Correct 3 ms 332 KB correct
22 Correct 3 ms 332 KB correct
23 Correct 2 ms 332 KB correct
24 Correct 2 ms 360 KB correct
25 Correct 1 ms 204 KB correct
26 Correct 2 ms 332 KB correct
27 Correct 2 ms 336 KB correct
28 Correct 2 ms 332 KB correct
29 Correct 1 ms 204 KB correct
30 Correct 2 ms 332 KB correct
31 Correct 2 ms 332 KB correct
32 Correct 3 ms 332 KB correct
33 Correct 2 ms 332 KB correct
34 Correct 290 ms 1484 KB correct
35 Correct 293 ms 1484 KB correct
36 Correct 199 ms 1296 KB correct
37 Correct 13 ms 392 KB correct
38 Correct 287 ms 1540 KB correct
39 Correct 266 ms 1424 KB correct
40 Correct 201 ms 1296 KB correct
41 Correct 296 ms 1560 KB correct
42 Correct 306 ms 1484 KB correct
43 Correct 153 ms 996 KB correct
44 Correct 122 ms 880 KB correct
45 Correct 147 ms 912 KB correct
46 Correct 109 ms 900 KB correct
47 Correct 45 ms 464 KB correct
48 Correct 3 ms 332 KB correct
49 Correct 12 ms 404 KB correct
50 Correct 46 ms 460 KB correct
51 Correct 145 ms 912 KB correct
52 Correct 127 ms 880 KB correct
53 Correct 111 ms 844 KB correct
54 Correct 152 ms 972 KB correct
55 Correct 136 ms 932 KB correct
56 Correct 134 ms 976 KB correct
57 Correct 134 ms 936 KB correct

Subtask #4
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB correct
2 Correct 1 ms 204 KB correct
3 Correct 80 ms 3788 KB correct
4 Correct 126 ms 4840 KB correct
5 Correct 130 ms 4852 KB correct
6 Correct 135 ms 5008 KB correct
7 Correct 133 ms 4892 KB correct
8 Correct 136 ms 4872 KB correct
9 Correct 126 ms 4796 KB correct
10 Correct 129 ms 4872 KB correct
11 Correct 126 ms 4796 KB correct
12 Correct 130 ms 4932 KB correct
13 Correct 1 ms 204 KB correct
14 Correct 129 ms 5000 KB correct
15 Correct 131 ms 4896 KB correct

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB correct
2 Correct 1 ms 204 KB correct
3 Correct 1 ms 204 KB correct
4 Correct 1 ms 204 KB correct
5 Correct 1 ms 204 KB correct
6 Correct 1 ms 204 KB correct
7 Correct 1 ms 204 KB correct
8 Correct 1 ms 204 KB correct
9 Correct 1 ms 204 KB correct
10 Correct 1 ms 204 KB correct
11 Correct 1 ms 204 KB correct
12 Correct 1 ms 204 KB correct
13 Correct 1 ms 204 KB correct
14 Correct 4 ms 332 KB correct
15 Correct 4 ms 332 KB correct
16 Correct 4 ms 332 KB correct
17 Correct 3 ms 332 KB correct
18 Correct 2 ms 332 KB correct
19 Correct 5 ms 332 KB correct
20 Correct 3 ms 332 KB correct
21 Correct 3 ms 332 KB correct
22 Correct 3 ms 332 KB correct
23 Correct 2 ms 332 KB correct
24 Correct 2 ms 360 KB correct
25 Correct 1 ms 204 KB correct
26 Correct 2 ms 332 KB correct
27 Correct 2 ms 336 KB correct
28 Correct 2 ms 332 KB correct
29 Correct 1 ms 204 KB correct
30 Correct 2 ms 332 KB correct
31 Correct 2 ms 332 KB correct
32 Correct 3 ms 332 KB correct
33 Correct 2 ms 332 KB correct
34 Correct 290 ms 1484 KB correct
35 Correct 293 ms 1484 KB correct
36 Correct 199 ms 1296 KB correct
37 Correct 13 ms 392 KB correct
38 Correct 287 ms 1540 KB correct
39 Correct 266 ms 1424 KB correct
40 Correct 201 ms 1296 KB correct
41 Correct 296 ms 1560 KB correct
42 Correct 306 ms 1484 KB correct
43 Correct 153 ms 996 KB correct
44 Correct 122 ms 880 KB correct
45 Correct 147 ms 912 KB correct
46 Correct 109 ms 900 KB correct
47 Correct 45 ms 464 KB correct
48 Correct 3 ms 332 KB correct
49 Correct 12 ms 404 KB correct
50 Correct 46 ms 460 KB correct
51 Correct 145 ms 912 KB correct
52 Correct 127 ms 880 KB correct
53 Correct 111 ms 844 KB correct
54 Correct 152 ms 972 KB correct
55 Correct 136 ms 932 KB correct
56 Correct 134 ms 976 KB correct
57 Correct 134 ms 936 KB correct
58 Correct 1 ms 204 KB correct
59 Correct 1 ms 204 KB correct
60 Correct 80 ms 3788 KB correct
61 Correct 126 ms 4840 KB correct
62 Correct 130 ms 4852 KB correct
63 Correct 135 ms 5008 KB correct
64 Correct 133 ms 4892 KB correct
65 Correct 136 ms 4872 KB correct
66 Correct 126 ms 4796 KB correct
67 Correct 129 ms 4872 KB correct
68 Correct 126 ms 4796 KB correct
69 Correct 130 ms 4932 KB correct
70 Correct 1 ms 204 KB correct
71 Correct 129 ms 5000 KB correct
72 Correct 131 ms 4896 KB correct
73 Correct 1 ms 204 KB correct
74 Correct 129 ms 4844 KB correct
75 Incorrect 29 ms 3176 KB WA in grader: NO
76 Halted 0 ms 0 KB -