oj.uz

Submission #803762

# Submission time Handle Problem Language Result Execution time Memory
803762 2023-08-03T05:53:08 Z ngrace Simurgh (IOI17_simurgh) C++14
100 / 100
 188 ms 11500 KB 
#include "simurgh.h"


#include <bits/stdc++.h>
using namespace std;
#define ve vector
#define ll long long
#define ii pair<int, int>
#define fi first
#define se second

int N;
set<int> ans;

struct DSU{
	int par[500];
	int si=0;
	DSU(int siz){
		si=siz;
		reset();
	}
	void reset(){
		for(int i=0; i<si; i++) par[i]=i;
	}
	int root(int x) {
		return (x==par[x]) ? x : par[x]=root(par[x]);
	}
	void doUnion(int a, int b){
		par[root(a)]=root(b);
	}
};

int edgeInd[500][500];

DSU components(500);
int cutTime=0;
ve<bool> vis(500, false);
ve<int> firstTime(500, -1);
ve<int> lowTime(500, -1);
bool cutEdge[500][500];
void cutDFS(int cur, int par){
	vis[cur]=true;
	firstTime[cur] = lowTime[cur] = cutTime++;
	for(int i=0; i<N; i++){
		if(edgeInd[cur][i]==-1 || i==par) continue;

		if(vis[i]) lowTime[cur] = min(lowTime[cur], firstTime[i]);
		else{
			cutDFS(i, cur);
			lowTime[cur] = min(lowTime[cur], lowTime[i]);
			if(lowTime[i] > firstTime[cur]) {
				cutEdge[cur][i] = cutEdge[i][cur]=true;
			}
		}
	}
}
ve<ii> cutEdges;
void findCutEdges(){
	cutDFS(0, 0);

	for(int i=0; i<N; i++){
		for(int j=i+1; j<N; j++){
			if(edgeInd[i][j]==-1) continue;
			if(!cutEdge[i][j]){
				components.doUnion(i, j);
			}
			else{
				ans.insert(edgeInd[i][j]);
				cutEdges.push_back({i, j});
			}
		}
	}
}

ve<ii> baseTree;
bool treeVis[500];
void treeDFS(int x){
	treeVis[x]=true;
	for(int i=0; i<N; i++){
		if(edgeInd[x][i]==-1) continue;
		if(!treeVis[i]){
			baseTree.push_back({x, i});
			treeDFS(i);
		}
	}
}

ve<ve<int>> cycs;
bool earEdgeUsed[500][500];
bool inEar[500];
int earVis[500];
int curEarVis=0;
bool debug=false;
bool earDFS(int x, int par){
	if(inEar[x]){
		cycs.back().push_back(x);
		return true;
	}
	if(earVis[x] == curEarVis) return false;
	earVis[x] = curEarVis;
	cycs.back().push_back(x);
	for(int i=0; i<N; i++){
		if(edgeInd[x][i]==-1 || cutEdge[x][i] || i==par) continue;
		if(earDFS(i, x)) return true;
	}
	cycs.back().pop_back();
	return false;
}
ve<ii> knownEdges;
void ear(int start){
	ve<int> nodes = {start};

	cycs.clear();
	while(nodes.size()>0){
		int cur=nodes.back();
		int next=-1;
		for(int i=0; i<N; i++){
			if(edgeInd[cur][i]==-1 || cutEdge[cur][i] || earEdgeUsed[cur][i]) continue;
			next=i;
			break;
		}
		if(next==-1){
			nodes.pop_back();
			continue;
		}
		cycs.push_back({cur});
		inEar[cur]=true;
		curEarVis++;
		earVis[cur]=curEarVis;
		earDFS(next, cur);
		for(int i=0; i<cycs.back().size()-1; i++){
			int a=cycs.back()[i];
			int b=cycs.back()[i+1];
			inEar[a]=true;
			if(!inEar[b]) nodes.push_back(b);
			inEar[b]=true;
			earEdgeUsed[a][b] = earEdgeUsed[b][a] = true;
		}
	}

	ve<ve<int>> adj(N);
	ve<int> vis(N, -1);
	ve<int> par(N, -1);
	ve<bool> foundNode(N,false);
	for(int earInd=0; earInd<cycs.size(); earInd++){
		int s = cycs[earInd][0], e=cycs[earInd].back();

		bool skip=true;
		for(int i=0; i<cycs[earInd].size(); i++){
			if(!foundNode[cycs[earInd][i]]) skip=false;
			foundNode[cycs[earInd][i]] = true;
		}
		if(skip) continue;
		
		//bfs to get from e to s on adj of prev edges:
		queue<ii> q;
		q.push({e, e});
		while(q.size()>0){
			ii cur=q.front();
			q.pop();
			if(vis[cur.fi]==earInd) continue;
			vis[cur.fi]=earInd;
			par[cur.fi] = cur.se;
			if(cur.fi==s) break;
			for(int i:adj[cur.fi]) q.push({i, cur.fi});
		}

		ve<int> cyc;
		int cur=s;
		while(par[cur]!=cur){
			cyc.push_back(par[cur]);
			cur=par[cur];
		}
		reverse(cyc.begin(), cyc.end());
		int cycRedundant = cyc.size();
		for(int i=0; i<cycs[earInd].size(); i++){
			cyc.push_back(cycs[earInd][i]);
		}

		if(false){
			cout<<"Ear "<<earInd<<": ";
			for(int i:cycs[earInd]) cout<<i<<" ";
			cout<<endl;
		}
		if(false){
			cout<<"Cycle (redundant: "<<cycRedundant<<"): ";
			for(int i:cyc) cout<<i<<" ";
			cout<<endl;
		}
		

		//Brute force on the cycle:
		//set up tree:
		ve<int> tree;
		ve<int> treeInd(N);
		DSU inTree(N);
		int missing = cyc.size()-2;
		for(int i=0; i<cyc.size()-1; i++){
			int a=cyc[i], b=cyc[i+1];
			inTree.doUnion(a, b);
			tree.push_back(edgeInd[a][b]);
			treeInd[i] = i;
			if(i==missing){
				treeInd[i] = -1;
				tree.pop_back();
			}
		}
		for(ii it:baseTree){
			if(inTree.root(it.fi)!=inTree.root(it.se)){
				tree.push_back(edgeInd[it.fi][it.se]);
				inTree.doUnion(it.fi, it.se);
			}
		}
		int ma=0;
		ve<int> cou(cyc.size()-1, -1);
		for(int i=0; i<cyc.size()-1; i++){
			int a=cyc[i], b=cyc[i+1];
			if(i!=missing){
				int newa = cyc[missing], newb = cyc[missing+1];
				tree[treeInd[i]] = edgeInd[newa][newb];
				treeInd[missing] = treeInd[i];
				treeInd[i] = -1;
				missing = i;
			}
			cou[i] = count_common_roads(tree);
			ma = max(ma, cou[i]);
		}
		for(int i=0; i<cyc.size()-1; i++){
			int a=cyc[i], b=cyc[i+1];
			if(i==cyc.size()-2) continue;//so get a tree
			if(cou[i]<ma){
				int ind = edgeInd[a][b];
				if(ans.find(ind)==ans.end()) ans.insert(ind);
			}
			knownEdges.push_back({a, b});
		}
		


		for(int i=0; i<cycs[earInd].size()-1; i++){
			int a=cycs[earInd][i], b=cycs[earInd][i+1];
			adj[a].push_back(b);
			adj[b].push_back(a);
		}
	}
}

ve<ii> knownTree;
int deg[500];
void calcDeg(int x){
	DSU con(N);
	ve<int> tree;
	int sub = 0;
	for(int i=0; i<N; i++){
		if(edgeInd[x][i]==-1) continue;
		tree.push_back(edgeInd[x][i]); 
		if(ans.find(edgeInd[x][i]) != ans.end()) sub++;
		con.doUnion(x, i);
	}
	for(ii it:knownTree){
		if(con.root(it.fi) == con.root(it.se)) continue;
		tree.push_back(edgeInd[it.fi][it.se]);
		if(ans.find(edgeInd[it.fi][it.se]) != ans.end()) sub++;
		con.doUnion(it.fi, it.se);
	}
	deg[x] = count_common_roads(tree) - sub;
}

void solve(){
	//with degree one verts, binary search for leaf edge and then remove vert.
	stack<int> s;
	for(int i=0; i<N; i++){
		if(deg[i]==1) s.push(i);
	}

	while(ans.size()<N-1){
		int x = s.top();
		s.pop();
		if(deg[x]==0) continue;

		int l=0, r=N-1;
		while(l<r){
			int m=(l+r)/2;
			
			DSU con(N);
			ve<int> tree;
			int sub = 0;
			for(int i=l; i<=m; i++){
				if(edgeInd[x][i]==-1) continue;
				tree.push_back(edgeInd[x][i]); 
				if(ans.find(edgeInd[x][i]) != ans.end()) sub++;
				con.doUnion(x, i);
			}
			for(ii it:knownTree){
				if(con.root(it.fi) == con.root(it.se)) continue;
				tree.push_back(edgeInd[it.fi][it.se]);
				if(ans.find(edgeInd[it.fi][it.se]) != ans.end()) sub++;
				con.doUnion(it.fi, it.se);
			}


			assert(tree.size()==N-1);

			int count = count_common_roads(tree) - sub;
			if(count >0) r=m;
			else l=m+1;
		}

		ans.insert(edgeInd[l][x]);
		deg[x]--;
		deg[l]--;
		if(deg[l]==1) s.push(l);
	}
}

std::vector<int> find_roads(int n, std::vector<int> u, std::vector<int> v) {
	N = n;

	if(n==2){
		ve<int> res = {0};
		return res;
	}

	for(int i=0; i<500; i++){
		for(int j=0; j<500; j++){
			edgeInd[i][j]=-1;
		}
	}
	for(int i=0; i < u.size(); i++){
		edgeInd[u[i]][v[i]] = i;
		edgeInd[v[i]][u[i]] = i;
	}

	findCutEdges();

	treeDFS(0);

	set<int> foundComp;
	for(int i=0; i<N; i++){
		if(foundComp.find(components.root(i))==foundComp.end()){
			foundComp.insert(components.root(i));
			ear(i);
		}
	}

	//now know state of all edges in knownEdges and cutEdges, which together form a tree.
	for(ii it:knownEdges) knownTree.push_back(it);
	for(ii it:cutEdges) knownTree.push_back(it);

	for(int i=0; i<N; i++) calcDeg(i);

	solve();

	ve<int> res;
	for(int i:ans) res.push_back(i);
	return res;
}

Compilation message

simurgh.cpp: In function 'void ear(int)':
simurgh.cpp:131:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  131 |   for(int i=0; i<cycs.back().size()-1; i++){
      |                ~^~~~~~~~~~~~~~~~~~~~~
simurgh.cpp:145:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  145 |  for(int earInd=0; earInd<cycs.size(); earInd++){
      |                    ~~~~~~^~~~~~~~~~~~
simurgh.cpp:149:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  149 |   for(int i=0; i<cycs[earInd].size(); i++){
      |                ~^~~~~~~~~~~~~~~~~~~~
simurgh.cpp:176:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  176 |   for(int i=0; i<cycs[earInd].size(); i++){
      |                ~^~~~~~~~~~~~~~~~~~~~
simurgh.cpp:198:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  198 |   for(int i=0; i<cyc.size()-1; i++){
      |                ~^~~~~~~~~~~~~
simurgh.cpp:216:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  216 |   for(int i=0; i<cyc.size()-1; i++){
      |                ~^~~~~~~~~~~~~
simurgh.cpp:217:8: warning: unused variable 'a' [-Wunused-variable]
  217 |    int a=cyc[i], b=cyc[i+1];
      |        ^
simurgh.cpp:217:18: warning: unused variable 'b' [-Wunused-variable]
  217 |    int a=cyc[i], b=cyc[i+1];
      |                  ^
simurgh.cpp:228:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  228 |   for(int i=0; i<cyc.size()-1; i++){
      |                ~^~~~~~~~~~~~~
simurgh.cpp:230:8: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  230 |    if(i==cyc.size()-2) continue;//so get a tree
      |       ~^~~~~~~~~~~~~~
simurgh.cpp:240:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  240 |   for(int i=0; i<cycs[earInd].size()-1; i++){
      |                ~^~~~~~~~~~~~~~~~~~~~~~
simurgh.cpp: In function 'void solve()':
simurgh.cpp:276:18: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
  276 |  while(ans.size()<N-1){
      |        ~~~~~~~~~~^~~~
In file included from /usr/include/c++/10/cassert:44,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33,
                 from simurgh.cpp:4:
simurgh.cpp:302:22: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
  302 |    assert(tree.size()==N-1);
      |           ~~~~~~~~~~~^~~~~
simurgh.cpp: In function 'std::vector<int> find_roads(int, std::vector<int>, std::vector<int>)':
simurgh.cpp:329:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  329 |  for(int i=0; i < u.size(); i++){
      |               ~~^~~~~~~~~~

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1236 KB correct
2 Correct 1 ms 1236 KB correct
3 Correct 1 ms 1236 KB correct
4 Correct 1 ms 1236 KB correct
5 Correct 1 ms 1220 KB correct
6 Correct 1 ms 1236 KB correct
7 Correct 1 ms 328 KB correct
8 Correct 1 ms 1236 KB correct
9 Correct 1 ms 1236 KB correct
10 Correct 1 ms 1236 KB correct
11 Correct 1 ms 1236 KB correct
12 Correct 1 ms 1236 KB correct
13 Correct 1 ms 1236 KB correct

Subtask #2
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1236 KB correct
2 Correct 1 ms 1236 KB correct
3 Correct 1 ms 1236 KB correct
4 Correct 1 ms 1236 KB correct
5 Correct 1 ms 1220 KB correct
6 Correct 1 ms 1236 KB correct
7 Correct 1 ms 328 KB correct
8 Correct 1 ms 1236 KB correct
9 Correct 1 ms 1236 KB correct
10 Correct 1 ms 1236 KB correct
11 Correct 1 ms 1236 KB correct
12 Correct 1 ms 1236 KB correct
13 Correct 1 ms 1236 KB correct
14 Correct 2 ms 1364 KB correct
15 Correct 2 ms 1364 KB correct
16 Correct 2 ms 1364 KB correct
17 Correct 2 ms 1364 KB correct
18 Correct 2 ms 1364 KB correct
19 Correct 2 ms 1364 KB correct
20 Correct 2 ms 1364 KB correct
21 Correct 2 ms 1364 KB correct
22 Correct 2 ms 1364 KB correct
23 Correct 2 ms 1364 KB correct
24 Correct 2 ms 1364 KB correct
25 Correct 1 ms 1344 KB correct
26 Correct 2 ms 1364 KB correct
27 Correct 2 ms 1364 KB correct
28 Correct 2 ms 1348 KB correct
29 Correct 2 ms 1236 KB correct
30 Correct 2 ms 1364 KB correct
31 Correct 2 ms 1364 KB correct
32 Correct 2 ms 1384 KB correct
33 Correct 2 ms 1364 KB correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1236 KB correct
2 Correct 1 ms 1236 KB correct
3 Correct 1 ms 1236 KB correct
4 Correct 1 ms 1236 KB correct
5 Correct 1 ms 1220 KB correct
6 Correct 1 ms 1236 KB correct
7 Correct 1 ms 328 KB correct
8 Correct 1 ms 1236 KB correct
9 Correct 1 ms 1236 KB correct
10 Correct 1 ms 1236 KB correct
11 Correct 1 ms 1236 KB correct
12 Correct 1 ms 1236 KB correct
13 Correct 1 ms 1236 KB correct
14 Correct 2 ms 1364 KB correct
15 Correct 2 ms 1364 KB correct
16 Correct 2 ms 1364 KB correct
17 Correct 2 ms 1364 KB correct
18 Correct 2 ms 1364 KB correct
19 Correct 2 ms 1364 KB correct
20 Correct 2 ms 1364 KB correct
21 Correct 2 ms 1364 KB correct
22 Correct 2 ms 1364 KB correct
23 Correct 2 ms 1364 KB correct
24 Correct 2 ms 1364 KB correct
25 Correct 1 ms 1344 KB correct
26 Correct 2 ms 1364 KB correct
27 Correct 2 ms 1364 KB correct
28 Correct 2 ms 1348 KB correct
29 Correct 2 ms 1236 KB correct
30 Correct 2 ms 1364 KB correct
31 Correct 2 ms 1364 KB correct
32 Correct 2 ms 1384 KB correct
33 Correct 2 ms 1364 KB correct
34 Correct 32 ms 3616 KB correct
35 Correct 30 ms 3596 KB correct
36 Correct 32 ms 3088 KB correct
37 Correct 25 ms 1492 KB correct
38 Correct 30 ms 3632 KB correct
39 Correct 30 ms 3364 KB correct
40 Correct 32 ms 3088 KB correct
41 Correct 29 ms 3596 KB correct
42 Correct 30 ms 3684 KB correct
43 Correct 21 ms 2388 KB correct
44 Correct 25 ms 2040 KB correct
45 Correct 22 ms 2132 KB correct
46 Correct 21 ms 1996 KB correct
47 Correct 16 ms 1632 KB correct
48 Correct 7 ms 1492 KB correct
49 Correct 13 ms 1492 KB correct
50 Correct 17 ms 1876 KB correct
51 Correct 21 ms 2576 KB correct
52 Correct 20 ms 2332 KB correct
53 Correct 20 ms 2260 KB correct
54 Correct 22 ms 2576 KB correct
55 Correct 22 ms 2576 KB correct
56 Correct 22 ms 2516 KB correct
57 Correct 24 ms 2568 KB correct

Subtask #4
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB correct
2 Correct 1 ms 1236 KB correct
3 Correct 90 ms 8440 KB correct
4 Correct 148 ms 11320 KB correct
5 Correct 159 ms 11372 KB correct
6 Correct 147 ms 11332 KB correct
7 Correct 151 ms 11272 KB correct
8 Correct 145 ms 11356 KB correct
9 Correct 148 ms 11348 KB correct
10 Correct 150 ms 11260 KB correct
11 Correct 146 ms 11364 KB correct
12 Correct 146 ms 11360 KB correct
13 Correct 1 ms 1236 KB correct
14 Correct 149 ms 11500 KB correct
15 Correct 148 ms 11364 KB correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1236 KB correct
2 Correct 1 ms 1236 KB correct
3 Correct 1 ms 1236 KB correct
4 Correct 1 ms 1236 KB correct
5 Correct 1 ms 1220 KB correct
6 Correct 1 ms 1236 KB correct
7 Correct 1 ms 328 KB correct
8 Correct 1 ms 1236 KB correct
9 Correct 1 ms 1236 KB correct
10 Correct 1 ms 1236 KB correct
11 Correct 1 ms 1236 KB correct
12 Correct 1 ms 1236 KB correct
13 Correct 1 ms 1236 KB correct
14 Correct 2 ms 1364 KB correct
15 Correct 2 ms 1364 KB correct
16 Correct 2 ms 1364 KB correct
17 Correct 2 ms 1364 KB correct
18 Correct 2 ms 1364 KB correct
19 Correct 2 ms 1364 KB correct
20 Correct 2 ms 1364 KB correct
21 Correct 2 ms 1364 KB correct
22 Correct 2 ms 1364 KB correct
23 Correct 2 ms 1364 KB correct
24 Correct 2 ms 1364 KB correct
25 Correct 1 ms 1344 KB correct
26 Correct 2 ms 1364 KB correct
27 Correct 2 ms 1364 KB correct
28 Correct 2 ms 1348 KB correct
29 Correct 2 ms 1236 KB correct
30 Correct 2 ms 1364 KB correct
31 Correct 2 ms 1364 KB correct
32 Correct 2 ms 1384 KB correct
33 Correct 2 ms 1364 KB correct
34 Correct 32 ms 3616 KB correct
35 Correct 30 ms 3596 KB correct
36 Correct 32 ms 3088 KB correct
37 Correct 25 ms 1492 KB correct
38 Correct 30 ms 3632 KB correct
39 Correct 30 ms 3364 KB correct
40 Correct 32 ms 3088 KB correct
41 Correct 29 ms 3596 KB correct
42 Correct 30 ms 3684 KB correct
43 Correct 21 ms 2388 KB correct
44 Correct 25 ms 2040 KB correct
45 Correct 22 ms 2132 KB correct
46 Correct 21 ms 1996 KB correct
47 Correct 16 ms 1632 KB correct
48 Correct 7 ms 1492 KB correct
49 Correct 13 ms 1492 KB correct
50 Correct 17 ms 1876 KB correct
51 Correct 21 ms 2576 KB correct
52 Correct 20 ms 2332 KB correct
53 Correct 20 ms 2260 KB correct
54 Correct 22 ms 2576 KB correct
55 Correct 22 ms 2576 KB correct
56 Correct 22 ms 2516 KB correct
57 Correct 24 ms 2568 KB correct
58 Correct 1 ms 212 KB correct
59 Correct 1 ms 1236 KB correct
60 Correct 90 ms 8440 KB correct
61 Correct 148 ms 11320 KB correct
62 Correct 159 ms 11372 KB correct
63 Correct 147 ms 11332 KB correct
64 Correct 151 ms 11272 KB correct
65 Correct 145 ms 11356 KB correct
66 Correct 148 ms 11348 KB correct
67 Correct 150 ms 11260 KB correct
68 Correct 146 ms 11364 KB correct
69 Correct 146 ms 11360 KB correct
70 Correct 1 ms 1236 KB correct
71 Correct 149 ms 11500 KB correct
72 Correct 148 ms 11364 KB correct
73 Correct 1 ms 212 KB correct
74 Correct 155 ms 11364 KB correct
75 Correct 164 ms 11028 KB correct
76 Correct 122 ms 4996 KB correct
77 Correct 148 ms 11348 KB correct
78 Correct 149 ms 11348 KB correct
79 Correct 148 ms 11304 KB correct
80 Correct 188 ms 11032 KB correct
81 Correct 158 ms 9636 KB correct
82 Correct 152 ms 11032 KB correct
83 Correct 177 ms 6580 KB correct
84 Correct 116 ms 6656 KB correct
85 Correct 112 ms 5636 KB correct
86 Correct 100 ms 3848 KB correct
87 Correct 93 ms 2900 KB correct
88 Correct 87 ms 2508 KB correct
89 Correct 86 ms 2460 KB correct
90 Correct 78 ms 2260 KB correct
91 Correct 52 ms 1824 KB correct
92 Correct 29 ms 1848 KB correct
93 Correct 117 ms 6668 KB correct
94 Correct 97 ms 5164 KB correct
95 Correct 106 ms 5096 KB correct
96 Correct 84 ms 3344 KB correct
97 Correct 86 ms 3448 KB correct
98 Correct 87 ms 3944 KB correct
99 Correct 92 ms 3576 KB correct
100 Correct 72 ms 2076 KB correct
101 Correct 37 ms 1620 KB correct
102 Correct 106 ms 6436 KB correct
103 Correct 106 ms 6432 KB correct
104 Correct 105 ms 6464 KB correct
105 Correct 107 ms 6400 KB correct