Submission #939530

#	Time	Username	Problem	Language	Result	Execution time	Memory
939530		pcc	Stray Cat (JOI20_stray)	C++14	15 / 100	37 ms	17352 KiB

Anthony

#include "Anthony.h"
#include <vector>
#include <bits/stdc++.h>


namespace ANTHONY{

#define pii pair<int,int>
#define fs first
#define sc second
	using namespace std;
	const int mxn = 2e4+10;
	int N,M;
	vector<pii> paths[mxn];
	vector<pii> edges;
	namespace S1{
		queue<int> q;
		int dist[mxn];
		void BFS(){
			memset(dist,-1,sizeof(dist));
			dist[0] = 0;
			q.push(0);
			while(!q.empty()){
				auto now = q.front();
				q.pop();
				for(auto nxt:paths[now]){
					if(dist[nxt.fs] == -1)dist[nxt.fs] = dist[now]+1,q.push(nxt.fs);
				}
			}
			return;
		}
		vector<int> GO(){
			//cout<<"CASE 1"<<endl;
			vector<int> ans(M,0);
			BFS();
			for(int i = 0;i<M;i++){
				auto [a,b] = edges[i];
				if(dist[a]>dist[b])swap(a,b);
				if(dist[a]==dist[b])ans[i] = (dist[a]+1)%3;
				else ans[i] = dist[b]%3;
				//cout<<a<<' '<<b<<" "<<ans[i]<<endl;
			}
			//for(int i = 0;i<N;i++)cout<<dist[i]<<' ';cout<<endl;
			//cout<<ans.size()<<endl;
			//for(auto &i:ans)cout<<i;cout<<endl;
			return ans;
		}
	}
	namespace S2{
		void BFS(){
		}
		vector<int> GO(){
			return vector<int>(M);
		}
	}
	vector<int> SOLVE(int n,int m,int a,int b,vector<int> va,vector<int> vb){
		N = n,M = m;
		for(int i = 0;i<m;i++){
			edges.push_back({va[i],vb[i]});
			paths[va[i]].push_back({vb[i],i});
			paths[vb[i]].push_back({va[i],i});
		}
		if(a>=3)return S1::GO();
		else return S2::GO();
	}
}  // namespace

std::vector<int> Mark(int N, int M, int A, int B,
                      std::vector<int> U, std::vector<int> V) {
  return ANTHONY::SOLVE(N,M,A,B,U,V);
}

Catherine

#include "Catherine.h"
#include <vector>
#include <bits/stdc++.h>
using namespace std;
#define pii pair<int,int>
#define fs first
#define sc second

namespace NEKO{

int task;
vector<int> route;

}  // namespace

void Init(int A, int B) {
	NEKO::task = (A<=2);
	return;
}

namespace S1{
	int GO(vector<int> v){
		//cout<<"CAT 1"<<endl;
		int sum = 0;
		//for(auto &i:v)cout<<i;cout<<endl;
		for(auto &i:v)sum += (i?1:0);
		if(sum == 1)return max_element(v.begin(),v.end())-v.begin();
		int s = 0;
		for(int i = 0;i<3;i++){
			if(v[i])s ^= i;
		}
		switch(s){
			case 1:
				return 0;
			case 2:
				return 2;
			case 3:
				return 1;
		}
		assert(false);
		return -1;
	}
}

namespace S2{
	int GO(vector<int> v){
		//cout<<"CAT 2"<<endl;
		return 0;
	}
}

int Move(std::vector<int> y) {
	if(NEKO::task)return S2::GO(y);
	else return S1::GO(y);
}

Compilation message (stderr)

Anthony.cpp: In function 'std::vector<int> ANTHONY::S1::GO()':
Anthony.cpp:37:10: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   37 |     auto [a,b] = edges[i];
      |          ^

• Subtask 1: 2 / 2
• Subtask 2: 2 / 2
• Subtask 3: 2 / 2
• Subtask 4: 9 / 9
• Subtask 5: 0 / 5
• Subtask 6: 0 / 71
• Subtask 7: 0 / 9