oj.uz

Submission #537203

# Submission time Handle Problem Language Result Execution time Memory
537203 2022-03-14T17:58:36 Z fadi57 Bitaro’s Party (JOI18_bitaro) C++14
100 / 100
 1281 ms 433268 KB 
#include<bits/stdc++.h>
using namespace std;
const int mx=500000;
const int mx2=2e4+19;
typedef long long ll;
const int mod=998244353 ;
const int SQ=350;
const ll inf=1e9+10;
int n,m,q;
vector<int>adj[mx]; vector <pair <int, int>>f[mx];int vis[mx];int vis2[mx];int cur=1;int dp[mx];
vector< pair<int,int>> merge(vector< pair < int ,int > > &l, vector< pair < int,int > >&r){
    int left=0;  int right=0;   int lsize=l.size();  int rsize=r.size();
   vector<pair<int,int>>ret;

   while(ret.size()<SQ&&(left<lsize||right<rsize)){

      pair<int,int>ok;
      if(left==lsize){
        ok=r[right];
         ok.first++;
         right++;

      }else if(right==rsize){
            ok=l[left];

            left++;
      }else if(l[left].first>r[right].first+1){
            ok=l[left];
            left++;
      }else{
      ok=r[right];
      right++;
       ok.first++;
      }
      if(vis[ok.second]==cur){continue;}
      vis[ok.second]=cur;
      ret.push_back(ok);

    }
    return ret;
   }

 int main(){


    cin>>n>>m>>q;
    for(int i=0;i<m;i++){
            int x,y;cin>>x>>y;
            adj[y].push_back(x);
    }

   for(int i=1;i<=n;i++){
     f[i].push_back({0,i});

       for(auto&j:adj[i]){
            f[i] = merge(f[i], f[j]);
      cur++;
        }

    }
    /*
     cout<<"TEST \n";
    for(auto it:f[4]){
         cout<<it.second<<" "<<it.first<<endl;
        }
        cout<<endl;
        */
   while(q--){
      int idx,y;
      cin>>idx>>y;
      int arr[y];
     for(int j=0;j<y;j++){
            cin>>arr[j];

        vis2[arr[j]]=1;
     }
     if(y<SQ){
            int ans=-1;
               for(auto it:f[idx]){
                    if(vis2[it.second]){continue;}
                ans=max(ans,it.first);
                break;
               }
               cout<<ans<<"\n";
     }else{
         int ans=-1;
         vector<int>dis(idx+5,-inf);
         dis[idx]=0;

         for(int j=idx;j>=1;j--){
                
            for(auto it:adj[j]){
                dis[it]=max(dis[it],dis[j]+1);
            }
            if(vis2[j]){}else{ ans=max(ans,dis[j]); }
         }
         cout<<ans<<"\n";
       }
     for(int j=0;j<y;j++){


        vis2[arr[j]]=0;
     }

   }

}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 12 ms 23764 KB Output is correct
3 Correct 12 ms 23764 KB Output is correct
4 Correct 12 ms 23764 KB Output is correct
5 Correct 14 ms 24288 KB Output is correct
6 Correct 15 ms 24264 KB Output is correct
7 Correct 15 ms 24148 KB Output is correct
8 Correct 20 ms 27236 KB Output is correct
9 Correct 21 ms 27092 KB Output is correct
10 Correct 23 ms 27340 KB Output is correct
11 Correct 24 ms 26792 KB Output is correct
12 Correct 16 ms 25172 KB Output is correct
13 Correct 20 ms 26568 KB Output is correct
14 Correct 19 ms 25752 KB Output is correct
15 Correct 20 ms 24696 KB Output is correct
16 Correct 20 ms 25684 KB Output is correct
17 Correct 19 ms 25980 KB Output is correct
18 Correct 18 ms 24916 KB Output is correct
19 Correct 19 ms 26008 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 12 ms 23764 KB Output is correct
3 Correct 12 ms 23764 KB Output is correct
4 Correct 12 ms 23764 KB Output is correct
5 Correct 14 ms 24288 KB Output is correct
6 Correct 15 ms 24264 KB Output is correct
7 Correct 15 ms 24148 KB Output is correct
8 Correct 20 ms 27236 KB Output is correct
9 Correct 21 ms 27092 KB Output is correct
10 Correct 23 ms 27340 KB Output is correct
11 Correct 24 ms 26792 KB Output is correct
12 Correct 16 ms 25172 KB Output is correct
13 Correct 20 ms 26568 KB Output is correct
14 Correct 19 ms 25752 KB Output is correct
15 Correct 20 ms 24696 KB Output is correct
16 Correct 20 ms 25684 KB Output is correct
17 Correct 19 ms 25980 KB Output is correct
18 Correct 18 ms 24916 KB Output is correct
19 Correct 19 ms 26008 KB Output is correct
20 Correct 887 ms 29792 KB Output is correct
21 Correct 799 ms 29728 KB Output is correct
22 Correct 826 ms 29848 KB Output is correct
23 Correct 925 ms 30108 KB Output is correct
24 Correct 882 ms 274140 KB Output is correct
25 Correct 877 ms 285740 KB Output is correct
26 Correct 875 ms 284488 KB Output is correct
27 Correct 1061 ms 432112 KB Output is correct
28 Correct 1067 ms 432040 KB Output is correct
29 Correct 1055 ms 432020 KB Output is correct
30 Correct 1075 ms 431524 KB Output is correct
31 Correct 1024 ms 417364 KB Output is correct
32 Correct 1068 ms 431232 KB Output is correct
33 Correct 850 ms 274248 KB Output is correct
34 Correct 801 ms 228428 KB Output is correct
35 Correct 840 ms 272480 KB Output is correct
36 Correct 980 ms 353216 KB Output is correct
37 Correct 923 ms 321448 KB Output is correct
38 Correct 983 ms 354080 KB Output is correct

Subtask #3
86.0 / 86.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 12 ms 23764 KB Output is correct
3 Correct 12 ms 23764 KB Output is correct
4 Correct 12 ms 23764 KB Output is correct
5 Correct 14 ms 24288 KB Output is correct
6 Correct 15 ms 24264 KB Output is correct
7 Correct 15 ms 24148 KB Output is correct
8 Correct 20 ms 27236 KB Output is correct
9 Correct 21 ms 27092 KB Output is correct
10 Correct 23 ms 27340 KB Output is correct
11 Correct 24 ms 26792 KB Output is correct
12 Correct 16 ms 25172 KB Output is correct
13 Correct 20 ms 26568 KB Output is correct
14 Correct 19 ms 25752 KB Output is correct
15 Correct 20 ms 24696 KB Output is correct
16 Correct 20 ms 25684 KB Output is correct
17 Correct 19 ms 25980 KB Output is correct
18 Correct 18 ms 24916 KB Output is correct
19 Correct 19 ms 26008 KB Output is correct
20 Correct 887 ms 29792 KB Output is correct
21 Correct 799 ms 29728 KB Output is correct
22 Correct 826 ms 29848 KB Output is correct
23 Correct 925 ms 30108 KB Output is correct
24 Correct 882 ms 274140 KB Output is correct
25 Correct 877 ms 285740 KB Output is correct
26 Correct 875 ms 284488 KB Output is correct
27 Correct 1061 ms 432112 KB Output is correct
28 Correct 1067 ms 432040 KB Output is correct
29 Correct 1055 ms 432020 KB Output is correct
30 Correct 1075 ms 431524 KB Output is correct
31 Correct 1024 ms 417364 KB Output is correct
32 Correct 1068 ms 431232 KB Output is correct
33 Correct 850 ms 274248 KB Output is correct
34 Correct 801 ms 228428 KB Output is correct
35 Correct 840 ms 272480 KB Output is correct
36 Correct 980 ms 353216 KB Output is correct
37 Correct 923 ms 321448 KB Output is correct
38 Correct 983 ms 354080 KB Output is correct
39 Correct 1064 ms 278204 KB Output is correct
40 Correct 914 ms 280032 KB Output is correct
41 Correct 920 ms 282568 KB Output is correct
42 Correct 993 ms 280884 KB Output is correct
43 Correct 874 ms 280296 KB Output is correct
44 Correct 991 ms 31268 KB Output is correct
45 Correct 844 ms 30372 KB Output is correct
46 Correct 822 ms 30292 KB Output is correct
47 Correct 843 ms 30044 KB Output is correct
48 Correct 828 ms 29804 KB Output is correct
49 Correct 1249 ms 432496 KB Output is correct
50 Correct 1073 ms 431280 KB Output is correct
51 Correct 934 ms 31100 KB Output is correct
52 Correct 799 ms 30108 KB Output is correct
53 Correct 1193 ms 352156 KB Output is correct
54 Correct 1093 ms 322060 KB Output is correct
55 Correct 1008 ms 351624 KB Output is correct
56 Correct 929 ms 322080 KB Output is correct
57 Correct 976 ms 30892 KB Output is correct
58 Correct 1018 ms 31052 KB Output is correct
59 Correct 822 ms 30144 KB Output is correct
60 Correct 827 ms 30000 KB Output is correct
61 Correct 1159 ms 431700 KB Output is correct
62 Correct 1106 ms 353352 KB Output is correct
63 Correct 973 ms 320776 KB Output is correct
64 Correct 1154 ms 431780 KB Output is correct
65 Correct 1037 ms 351772 KB Output is correct
66 Correct 991 ms 322524 KB Output is correct
67 Correct 1053 ms 431292 KB Output is correct
68 Correct 978 ms 352912 KB Output is correct
69 Correct 890 ms 318524 KB Output is correct
70 Correct 1071 ms 431844 KB Output is correct
71 Correct 977 ms 353600 KB Output is correct
72 Correct 934 ms 322336 KB Output is correct
73 Correct 1114 ms 431884 KB Output is correct
74 Correct 999 ms 353468 KB Output is correct
75 Correct 964 ms 322212 KB Output is correct
76 Correct 1242 ms 433268 KB Output is correct
77 Correct 1092 ms 431812 KB Output is correct
78 Correct 1087 ms 432392 KB Output is correct
79 Correct 947 ms 31164 KB Output is correct
80 Correct 795 ms 30160 KB Output is correct
81 Correct 788 ms 29820 KB Output is correct
82 Correct 1281 ms 432728 KB Output is correct
83 Correct 1240 ms 418588 KB Output is correct
84 Correct 1076 ms 431356 KB Output is correct
85 Correct 1037 ms 416776 KB Output is correct
86 Correct 1084 ms 431752 KB Output is correct
87 Correct 1054 ms 418444 KB Output is correct
88 Correct 1028 ms 31208 KB Output is correct
89 Correct 997 ms 31072 KB Output is correct
90 Correct 861 ms 30308 KB Output is correct
91 Correct 849 ms 30196 KB Output is correct
92 Correct 832 ms 29828 KB Output is correct
93 Correct 812 ms 29880 KB Output is correct
94 Correct 1035 ms 275544 KB Output is correct
95 Correct 979 ms 227992 KB Output is correct
96 Correct 869 ms 273100 KB Output is correct
97 Correct 800 ms 231048 KB Output is correct
98 Correct 871 ms 274412 KB Output is correct
99 Correct 795 ms 230644 KB Output is correct
100 Correct 1123 ms 31324 KB Output is correct
101 Correct 1080 ms 31328 KB Output is correct
102 Correct 933 ms 30332 KB Output is correct
103 Correct 970 ms 30280 KB Output is correct
104 Correct 918 ms 29876 KB Output is correct
105 Correct 912 ms 29828 KB Output is correct
106 Correct 1145 ms 353216 KB Output is correct
107 Correct 1120 ms 323012 KB Output is correct
108 Correct 981 ms 354288 KB Output is correct
109 Correct 918 ms 321596 KB Output is correct
110 Correct 1006 ms 355112 KB Output is correct
111 Correct 957 ms 322960 KB Output is correct
112 Correct 978 ms 31148 KB Output is correct
113 Correct 1012 ms 31196 KB Output is correct
114 Correct 840 ms 30324 KB Output is correct
115 Correct 838 ms 30132 KB Output is correct
116 Correct 818 ms 29868 KB Output is correct
117 Correct 820 ms 29864 KB Output is correct
118 Correct 1056 ms 431160 KB Output is correct
119 Correct 1010 ms 353580 KB Output is correct
120 Correct 922 ms 320768 KB Output is correct
121 Correct 1082 ms 431240 KB Output is correct
122 Correct 1002 ms 352088 KB Output is correct
123 Correct 938 ms 321176 KB Output is correct
124 Correct 1063 ms 431296 KB Output is correct
125 Correct 963 ms 353760 KB Output is correct
126 Correct 967 ms 319968 KB Output is correct