oj.uz

Submission #260487

# Submission time Handle Problem Language Result Execution time Memory
260487 2020-08-10T11:15:42 Z fadi57 Long Mansion (JOI17_long_mansion) C++14
10 / 100
 3000 ms 21028 KB 
#include <bits/stdc++.h>
 
using namespace std;
 
#define ll long long

const int mx=500020;
ll c[mx];
ll b[mx];

vector<ll>keys[mx];
ll mxright[mx];
ll mxleft[mx];
int main()
{
  
  ll n,m;cin>>n;
  for(ll i=1;i<n;i++){
      cin>>c[i];
  }
  for(ll i=1;i<=n;i++){
      cin>>b[i];
      for(ll j=0;j<b[i];j++){
          ll x;
          cin>>x;
          keys[i].push_back(x);
      }
  }//cout<<keys[4][0]<<endl;
  
    for(ll i=n;i>=1;i--){
        map<ll,ll>ok;
        for(ll j=0;j<b[i];j++){
            ok[keys[i][j]]=1;//cout<<keys[i][j]<<"ji"<<endl;
        }ll myr=i;
        ll myl=i;
        while(1){
          ll xx=0;ll xo=0;
          if(myr<n&&ok[c[myr]]){
              xx=1;
              myr++;
              //here we add the new keys
              for(int j=0;j<b[myr];j++){
            ok[keys[myr][j]]=1;
        }
          }
          if(myl>1&&ok[c[myl-1]]){
              xo=1;
              myl--; 
              for(int j=0;j<b[myl];j++){
            ok[keys[myl][j]]=1;
        }
          }
            if(xo||xx){
                
            }else{
                break;
               
            }
        } mxleft[i]=myl;mxright[i]=myr;
       // cout<<myl<<" "<<myr<<endl;
        //return 0;
     
  }//cout<<mxright[1];
  ll q;cin>>q;
  for(ll i=0;i<q;i++){
      ll x,y;cin>>x>>y;
     //cout<<mxleft[x]<<" "<<mxright[x];
      if(mxleft[x]<=y&&y<=mxright[x]){
         cout<<"YES";
      }else{cout<<"NO";}
      cout<<endl;
  }

}

Compilation message

long_mansion.cpp: In function 'int main()':
long_mansion.cpp:17:8: warning: unused variable 'm' [-Wunused-variable]
   ll n,m;cin>>n;
        ^

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 12280 KB Output is correct
2 Correct 141 ms 12428 KB Output is correct
3 Correct 297 ms 12408 KB Output is correct
4 Correct 47 ms 12280 KB Output is correct
5 Correct 461 ms 12368 KB Output is correct
6 Correct 200 ms 12280 KB Output is correct
7 Correct 147 ms 12288 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 12280 KB Output is correct
2 Correct 141 ms 12428 KB Output is correct
3 Correct 297 ms 12408 KB Output is correct
4 Correct 47 ms 12280 KB Output is correct
5 Correct 461 ms 12368 KB Output is correct
6 Correct 200 ms 12280 KB Output is correct
7 Correct 147 ms 12288 KB Output is correct
8 Correct 1567 ms 13724 KB Output is correct
9 Correct 1488 ms 13732 KB Output is correct
10 Correct 1594 ms 13944 KB Output is correct
11 Correct 1779 ms 14304 KB Output is correct
12 Correct 1507 ms 14048 KB Output is correct
13 Correct 1477 ms 14048 KB Output is correct
14 Correct 1509 ms 13944 KB Output is correct
15 Correct 1685 ms 14080 KB Output is correct
16 Correct 1874 ms 14164 KB Output is correct
17 Correct 1511 ms 14028 KB Output is correct
18 Correct 1480 ms 13944 KB Output is correct
19 Correct 1548 ms 13944 KB Output is correct
20 Correct 1896 ms 14072 KB Output is correct
21 Correct 1864 ms 14200 KB Output is correct
22 Correct 1855 ms 14072 KB Output is correct
23 Correct 1651 ms 13944 KB Output is correct
24 Correct 1620 ms 14084 KB Output is correct
25 Correct 1584 ms 13944 KB Output is correct
26 Correct 1518 ms 13816 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3096 ms 21028 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 32 ms 12280 KB Output is correct
2 Correct 141 ms 12428 KB Output is correct
3 Correct 297 ms 12408 KB Output is correct
4 Correct 47 ms 12280 KB Output is correct
5 Correct 461 ms 12368 KB Output is correct
6 Correct 200 ms 12280 KB Output is correct
7 Correct 147 ms 12288 KB Output is correct
8 Correct 1567 ms 13724 KB Output is correct
9 Correct 1488 ms 13732 KB Output is correct
10 Correct 1594 ms 13944 KB Output is correct
11 Correct 1779 ms 14304 KB Output is correct
12 Correct 1507 ms 14048 KB Output is correct
13 Correct 1477 ms 14048 KB Output is correct
14 Correct 1509 ms 13944 KB Output is correct
15 Correct 1685 ms 14080 KB Output is correct
16 Correct 1874 ms 14164 KB Output is correct
17 Correct 1511 ms 14028 KB Output is correct
18 Correct 1480 ms 13944 KB Output is correct
19 Correct 1548 ms 13944 KB Output is correct
20 Correct 1896 ms 14072 KB Output is correct
21 Correct 1864 ms 14200 KB Output is correct
22 Correct 1855 ms 14072 KB Output is correct
23 Correct 1651 ms 13944 KB Output is correct
24 Correct 1620 ms 14084 KB Output is correct
25 Correct 1584 ms 13944 KB Output is correct
26 Correct 1518 ms 13816 KB Output is correct
27 Execution timed out 3096 ms 21028 KB Time limit exceeded
28 Halted 0 ms 0 KB -