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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#798009#8363. interactiveL_Wave10 92ms9048kbC++203.9kb2024-12-03 23:02:122024-12-03 23:02:13

Judging History

你现在查看的是最新测评结果

  • [2024-12-03 23:02:13]
  • 评测
  • 测评结果:10
  • 用时:92ms
  • 内存:9048kb
  • [2024-12-03 23:02:12]
  • 提交

answer

// Problem: #P13098. 交互题
// Author: XZC(L_Wave)
// Language: Cpp/G++20
// Contest: Hydro
// URL: http://www.nfls.com.cn:10611/p/5472
// Memory Limit: 512 MB
// Time Limit: 2000 ms
// Create Time: not 2024-12-03 20:49:39, but 1926-08-17 11:45:14
// 
// Powered by CP Editor (https://cpeditor.org)

#ifndef LOCAL
#include"interactive.h"
#else
#include <vector>
#include <cstdio>
#include <cstdlib>
#include <numeric>

std::vector<int> solve(int n);
int query(std::vector<int> vec);

#define rep0(i, n) for(int i = 0; i < (int)(n); i ++)
#define rep1(i, n) for(int i = 1; i <= (int)(n); i ++)
using namespace std;

namespace
{
	const int MAXN = 500, MAXQ = 300000;
	int n, ty, p[505], mat[505][505], cnt;
	bool vis[505];
	bool legal(const vector<int>& arr)
	{
		if((int)arr.size() != n) return false;
		rep1(i, n) vis[i] = false;
		rep0(i, arr.size()) {
			if(arr[i] < 1 || arr[i] > n || vis[arr[i]]) return false;
			vis[arr[i]] = true;
		}
		return true;
	}
}

int query(vector<int> arr)
{
	if(cnt == MAXQ || !legal(arr)) {
		printf("WA: 0\n"); exit(0);
	}
	
	int ret = 0;
	rep0(i, (int)arr.size() - 1) ret += mat[arr[i]][arr[i + 1]];
	cnt ++;
	return ret;
}

int main()
{
	scanf("%d%d", &ty, &n);
	iota(p+1,p+n+1,1);
	if (ty==1)
	rep1(i, n) scanf("%d", &p[i]);
	rep1(i, n - 1) mat[p[i]][p[i + 1]] = mat[p[i + 1]][p[i]] = 1;
	
	vector<int> ans = solve(n);
	if(!legal(ans)) printf("WA: 1\n");
	else {
		int sum = 0;
		rep0(i, n - 1) sum += mat[ans[i]][ans[i + 1]];
		if(sum == n - 1) printf("AC: %d\n", cnt);
		else printf("WA: 1\n");
	}
	exit(0);
}
#endif

#include <bits/stdc++.h>
#undef rep
#define rep(i, a, b) for (int i = (a), i##ABRACADABRA = (b); i <= i##ABRACADABRA; i++)
#define drep(i, a, b) for (int i = (a), i##ABRACADABRA = (b); i >= i##ABRACADABRA; i--)
using namespace std;
using ll = long long;

namespace local{

vector<int>res;
mt19937 rng(chrono::steady_clock().now().time_since_epoch().count());
int id[505],p[505],n;
long double w[505][505];
bool vis[505];

void dfs(int u){
  // cout<<u<<'\n';
  sort(id+1,id+n+1,[&](int x,int y){
    return w[u][x]>w[u][y];
  });
  res.push_back(u);
  vis[u]=1;
  rep(v,1,n)if (!vis[id[v]]){
    dfs(id[v]);
    return ;
  }
}

int ask(){
  vector<int>Q;
  rep(i,1,n)Q.push_back(p[i]);
  return query(Q);
}

void adj(vector<pair<int,int>>V,long double val){
  val/=V.size();
  for (auto [x,y]:V)w[x][y]=w[y][x]=(w[x][y]*10+val)/11;
}

std::vector<int> solve(int _n){
  n=_n;
  iota(p+1,p+n+1,1);
  iota(id+1,id+n+1,1);
  rep(i,1,n)rep(j,1,n){
    if (i^j)w[i][j]=2.l/n;
    else w[i][j]=-1e9;
  }
  rep(i,1,12000){
    shuffle(p+1,p+n+1,rng);
    int x=ask();
    // cout<<"$$ "<<x<<'\n';
    rep(t,1,n-1)if (w[p[t]][p[t+1]]>0.9999)--x;
    if (!x){
      rep(t,1,n-1)if (w[p[t]][p[t+1]]<=0.9999)w[p[t]][p[t+1]]=w[p[t+1]][p[t]]=-1e9;
      // rep(i,1,n)rep(j,1,n)cout<<w[i][j]<<" \n"[j==n];
      continue;
    }
    vector<pair<int,int>>V;
    rep(t,1,n-1)if (w[p[t]][p[t+1]]>0&&w[p[t]][p[t+1]]<=0.9999)V.push_back({p[t],p[t+1]});
    if (x==(int)V.size()){
      for (auto [x,y]:V)w[x][y]=w[y][x]=1;
      V.clear();
    }
    // if (V.size()==1)cout<<w[V[0].first][V[0].second]<<' '<<x<<'\n';
    adj(V,x);
    // if (V.size()==1)cout<<w[V[0].first][V[0].second]<<'\n';
    // if (x==-1){
      // rep(i,1,n)cout<<p[i]<<' ';
      // cout<<'\n';
      // rep(i,1,n-1)if (w[p[i]][p[i+1]]>0.9999)cout<<p[i]<<' '<<p[i+1]<<' '<<w[p[i]][p[i+1]]<<'\n';
    // }
    // rep(i,1,n)rep(j,1,n)cout<<w[i][j]<<" \n"[j==n];
  }
  rep(i,1,n){
    int cnt=0;
    rep(j,1,n)cnt+=w[i][j]>=0.9999;
    if (cnt==1){
      dfs(i);
      return res;
    }
  }
  rep(i,1,n){
    int cnt=0;
    rep(j,1,n)cnt+=w[i][j]>0;
    if (cnt==1){
      dfs(i);
      return res;
    }
  }
  return vector<int>(n);
}

}

std::vector<int> solve(int n){return local::solve(n);}

Details

Tip: Click on the bar to expand more detailed information

Subtask #1:

score: 10
Accepted

Test #1:

score: 10
Accepted
time: 2ms
memory: 5900kb

input:

1 3
3 1 2

output:

12000 612855835 7113

result:

points 1.0

Test #2:

score: 10
Accepted
time: 3ms
memory: 4312kb

input:

1 30
6 28 10 9 13 4 7 1 21 15 20 27 19 5 17 2 22 12 29 23 14 30 18 3 11 24 26 16 8 25

output:

12000 612855835 537621159

result:

points 1.0

Test #3:

score: 10
Accepted
time: 7ms
memory: 5944kb

input:

1 27
24 17 15 3 13 9 6 16 14 22 7 19 25 12 1 26 23 27 10 21 8 5 18 11 20 4 2

output:

12000 612855835 966160455

result:

points 1.0

Test #4:

score: 10
Accepted
time: 7ms
memory: 6240kb

input:

1 29
24 8 7 14 19 20 4 6 1 12 18 2 10 3 23 13 26 11 22 27 9 17 16 5 21 29 25 15 28

output:

12000 612855835 646167394

result:

points 1.0

Test #5:

score: 10
Accepted
time: 7ms
memory: 4012kb

input:

1 30
9 22 10 27 8 5 23 21 2 25 6 13 30 19 17 20 4 14 29 28 24 15 11 7 12 18 26 16 3 1

output:

12000 612855835 904341262

result:

points 1.0

Test #6:

score: 10
Accepted
time: 7ms
memory: 5972kb

input:

1 27
8 6 11 20 24 7 9 25 13 19 2 3 23 15 16 4 22 21 10 18 12 27 14 5 1 17 26

output:

12000 612855835 173992498

result:

points 1.0

Test #7:

score: 10
Accepted
time: 7ms
memory: 5932kb

input:

1 27
2 5 25 13 11 12 23 24 6 18 19 21 15 17 7 10 16 20 22 27 3 4 8 14 26 1 9

output:

12000 612855835 772894146

result:

points 1.0

Test #8:

score: 10
Accepted
time: 7ms
memory: 6232kb

input:

1 27
13 11 10 27 20 23 3 25 12 24 6 2 19 9 7 17 1 5 8 26 14 16 21 15 22 4 18

output:

12000 612855835 181323461

result:

points 1.0

Test #9:

score: 10
Accepted
time: 7ms
memory: 6080kb

input:

1 27
3 15 12 14 18 27 23 6 20 26 21 5 13 19 10 9 11 17 16 4 25 7 24 2 22 1 8

output:

12000 612855835 480249695

result:

points 1.0

Test #10:

score: 10
Accepted
time: 3ms
memory: 3984kb

input:

1 29
23 7 4 10 9 16 1 14 3 17 13 19 15 8 5 22 24 29 11 12 18 25 21 2 28 26 27 20 6

output:

12000 612855835 31142540

result:

points 1.0

Subtask #2:

score: 0
Wrong Answer

Test #11:

score: 90
Accepted
time: 6ms
memory: 4304kb

input:

1 27
17 16 3 20 27 5 2 13 24 21 25 23 19 9 7 4 22 12 26 15 14 11 1 18 6 10 8

output:

12000 612855835 558749364

result:

points 1.0

Test #12:

score: 90
Accepted
time: 7ms
memory: 5940kb

input:

1 29
19 13 20 22 26 1 23 24 3 14 8 25 29 17 10 9 15 11 18 4 2 28 21 7 6 12 16 27 5

output:

12000 612855835 145445666

result:

points 1.0

Test #13:

score: 90
Accepted
time: 7ms
memory: 4296kb

input:

1 28
16 7 19 9 23 12 20 26 4 10 15 8 21 5 1 22 27 2 18 24 28 6 3 14 13 17 25 11

output:

12000 612855835 877668399

result:

points 1.0

Test #14:

score: 90
Accepted
time: 7ms
memory: 4076kb

input:

1 30
13 4 29 25 16 14 6 15 19 28 7 20 3 23 12 17 8 22 1 24 9 30 21 18 2 26 27 10 11 5

output:

12000 612855835 737974315

result:

points 1.0

Test #15:

score: 90
Accepted
time: 7ms
memory: 6236kb

input:

1 27
18 25 15 20 23 14 4 16 27 6 2 12 21 19 17 26 9 8 10 11 3 7 13 22 24 5 1

output:

12000 612855835 590934171

result:

points 1.0

Test #16:

score: 78
Acceptable Answer
time: 89ms
memory: 8824kb

input:

2 494
364 164 445 359 288 412 15 377 91 481 14 3 357 358 269 136 336 106 392 200 50 388 33 338 114 11 266 186 170 239 494 196 395 68 36 423 378 218 342 275 67 240 120 86 134 356 190 323 123 339 187 30 270 430 292 121 372 404 94 143 454 309 461 344 141 480 474 248 199 42 150 260 369 483 493 124 396 4...

output:

12000 612855835 998930322

result:

points 0.86666666670

Test #17:

score: 0
Wrong Answer
time: 92ms
memory: 9048kb

input:

2 500
468 70 339 65 443 143 75 123 220 163 390 484 489 139 392 147 183 132 202 14 19 380 310 259 179 482 85 36 232 419 285 378 137 274 376 23 321 263 217 485 387 466 94 104 164 57 185 359 42 211 40 206 418 184 458 173 441 291 11 366 428 384 223 190 374 34 275 210 171 226 408 168 88 494 204 66 481 10...

output:

0 0 0

result:

FAIL WA