oj.uz

Submission #201452

# Submission time Handle Problem Language Result Execution time Memory
201452 2020-02-10T15:31:32 Z theStaticMind Bitaro’s Party (JOI18_bitaro) C++14
100 / 100
 1824 ms 116832 KB 
#include<bits/stdc++.h>
#define pb push_back
#define ii pair<int,int>
#define all(x) (x).begin(),(x).end()
//#define INF 100000000000000000
#define modulo 1000000007
#define mod 998244353
//#define int long long int
using namespace std;

vector<int> adj[100005];
vector<int> radj[100005];
vector<ii> data[100005];
vector<bool> vis(100005, false);


int32_t main(){
      ios_base::sync_with_stdio(false);
      cin.tie(NULL);
      int n, m, q;
      cin >> n >> m >> q;
      int sq = sqrt(n) / 3;

      for(int i = 0; i < m; i++){
            int x, y;
            cin >> x >> y;
            adj[min(x, y)].pb(max(x, y));
            radj[max(x, y)].pb(min(x, y));
      }
      for(int x = 1; x <= n; x++){

            for(int i = 0; i < radj[x].size(); i++){
                  int y = radj[x][i];
                  for(int j = 0; j < data[y].size(); j++){
                        data[x].pb({data[y][j].first + 1, data[y][j].second});
                  }
                  
            }

            data[x].pb({0, x});
            sort(all(data[x]), greater<ii>());
            vector<ii>temp;
            int w = 0;
            for(int i = 0; i < data[x].size() && w < sq; i++){
                  if(vis[data[x][i].second])continue;
                  temp.pb(data[x][i]);
                  vis[data[x][i].second] = true;
                  w++;
            }
            swap(temp, data[x]);
            temp.clear();
            for(int i = 0; i < data[x].size(); i++)vis[data[x][i].second] = false;

      }

      while(q--){

            int X, k;
            cin >> X >> k;
            vector<int> ban;
            for(int i = 0; i < k; i++){
                  int x;
                  cin >> x;
                  ban.pb(x);
                  vis[x] = true;
            }

            int ans = -1;
            for(int i = 0; i < data[X].size(); i++){
                  if(vis[data[X][i].second])continue;
                  ans = max(ans, data[X][i].first);
            }
            if(ans == -1){
                  vector<int> val(100005, -1e9);
                  val[X] = 0;
                  for(int x = X; x >= 1; x--){
                        for(int i = 0; i < adj[x].size(); i++){
                              int y = adj[x][i];
                              val[x] = max(val[x], val[y] + 1);
                        }
                        if(vis[x]) continue;
                        ans = max(ans , val[x]);
                  }
            }
            for(int i = 0; i < k; i++) vis[ban[i]] = false;
            cout << ans << "\n";
      }
}

Compilation message

bitaro.cpp: In function 'int32_t main()':
bitaro.cpp:32:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for(int i = 0; i < radj[x].size(); i++){
                            ~~^~~~~~~~~~~~~~~~
bitaro.cpp:34:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
                   for(int j = 0; j < data[y].size(); j++){
                                  ~~^~~~~~~~~~~~~~~~
bitaro.cpp:44:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for(int i = 0; i < data[x].size() && w < sq; i++){
                            ~~^~~~~~~~~~~~~~~~
bitaro.cpp:52:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for(int i = 0; i < data[x].size(); i++)vis[data[x][i].second] = false;
                            ~~^~~~~~~~~~~~~~~~
bitaro.cpp:69:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for(int i = 0; i < data[X].size(); i++){
                            ~~^~~~~~~~~~~~~~~~
bitaro.cpp:77:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
                         for(int i = 0; i < adj[x].size(); i++){
                                        ~~^~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 7800 KB Output is correct
2 Correct 10 ms 7800 KB Output is correct
3 Correct 10 ms 7800 KB Output is correct
4 Correct 11 ms 7928 KB Output is correct
5 Correct 12 ms 7544 KB Output is correct
6 Correct 16 ms 7544 KB Output is correct
7 Correct 11 ms 7928 KB Output is correct
8 Correct 11 ms 7544 KB Output is correct
9 Correct 11 ms 7544 KB Output is correct
10 Correct 12 ms 8056 KB Output is correct
11 Correct 11 ms 7672 KB Output is correct
12 Correct 12 ms 7544 KB Output is correct
13 Correct 12 ms 8056 KB Output is correct
14 Correct 13 ms 7928 KB Output is correct
15 Correct 11 ms 7544 KB Output is correct
16 Correct 11 ms 7544 KB Output is correct
17 Correct 11 ms 7544 KB Output is correct
18 Correct 11 ms 7544 KB Output is correct
19 Correct 12 ms 7928 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 7800 KB Output is correct
2 Correct 10 ms 7800 KB Output is correct
3 Correct 10 ms 7800 KB Output is correct
4 Correct 11 ms 7928 KB Output is correct
5 Correct 12 ms 7544 KB Output is correct
6 Correct 16 ms 7544 KB Output is correct
7 Correct 11 ms 7928 KB Output is correct
8 Correct 11 ms 7544 KB Output is correct
9 Correct 11 ms 7544 KB Output is correct
10 Correct 12 ms 8056 KB Output is correct
11 Correct 11 ms 7672 KB Output is correct
12 Correct 12 ms 7544 KB Output is correct
13 Correct 12 ms 8056 KB Output is correct
14 Correct 13 ms 7928 KB Output is correct
15 Correct 11 ms 7544 KB Output is correct
16 Correct 11 ms 7544 KB Output is correct
17 Correct 11 ms 7544 KB Output is correct
18 Correct 11 ms 7544 KB Output is correct
19 Correct 12 ms 7928 KB Output is correct
20 Correct 197 ms 9976 KB Output is correct
21 Correct 197 ms 9944 KB Output is correct
22 Correct 195 ms 10232 KB Output is correct
23 Correct 188 ms 9976 KB Output is correct
24 Correct 1225 ms 90744 KB Output is correct
25 Correct 1253 ms 92004 KB Output is correct
26 Correct 1265 ms 92404 KB Output is correct
27 Correct 1100 ms 116216 KB Output is correct
28 Correct 1079 ms 116132 KB Output is correct
29 Correct 1090 ms 116688 KB Output is correct
30 Correct 1169 ms 115576 KB Output is correct
31 Correct 1236 ms 113820 KB Output is correct
32 Correct 1182 ms 115980 KB Output is correct
33 Correct 974 ms 78064 KB Output is correct
34 Correct 903 ms 71032 KB Output is correct
35 Correct 958 ms 77692 KB Output is correct
36 Correct 1143 ms 96772 KB Output is correct
37 Correct 1157 ms 92444 KB Output is correct
38 Correct 1126 ms 97272 KB Output is correct

Subtask #3
86.0 / 86.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 7800 KB Output is correct
2 Correct 10 ms 7800 KB Output is correct
3 Correct 10 ms 7800 KB Output is correct
4 Correct 11 ms 7928 KB Output is correct
5 Correct 12 ms 7544 KB Output is correct
6 Correct 16 ms 7544 KB Output is correct
7 Correct 11 ms 7928 KB Output is correct
8 Correct 11 ms 7544 KB Output is correct
9 Correct 11 ms 7544 KB Output is correct
10 Correct 12 ms 8056 KB Output is correct
11 Correct 11 ms 7672 KB Output is correct
12 Correct 12 ms 7544 KB Output is correct
13 Correct 12 ms 8056 KB Output is correct
14 Correct 13 ms 7928 KB Output is correct
15 Correct 11 ms 7544 KB Output is correct
16 Correct 11 ms 7544 KB Output is correct
17 Correct 11 ms 7544 KB Output is correct
18 Correct 11 ms 7544 KB Output is correct
19 Correct 12 ms 7928 KB Output is correct
20 Correct 197 ms 9976 KB Output is correct
21 Correct 197 ms 9944 KB Output is correct
22 Correct 195 ms 10232 KB Output is correct
23 Correct 188 ms 9976 KB Output is correct
24 Correct 1225 ms 90744 KB Output is correct
25 Correct 1253 ms 92004 KB Output is correct
26 Correct 1265 ms 92404 KB Output is correct
27 Correct 1100 ms 116216 KB Output is correct
28 Correct 1079 ms 116132 KB Output is correct
29 Correct 1090 ms 116688 KB Output is correct
30 Correct 1169 ms 115576 KB Output is correct
31 Correct 1236 ms 113820 KB Output is correct
32 Correct 1182 ms 115980 KB Output is correct
33 Correct 974 ms 78064 KB Output is correct
34 Correct 903 ms 71032 KB Output is correct
35 Correct 958 ms 77692 KB Output is correct
36 Correct 1143 ms 96772 KB Output is correct
37 Correct 1157 ms 92444 KB Output is correct
38 Correct 1126 ms 97272 KB Output is correct
39 Correct 1319 ms 90988 KB Output is correct
40 Correct 1266 ms 91516 KB Output is correct
41 Correct 1271 ms 91384 KB Output is correct
42 Correct 1269 ms 91256 KB Output is correct
43 Correct 1220 ms 90872 KB Output is correct
44 Correct 238 ms 10360 KB Output is correct
45 Correct 212 ms 9848 KB Output is correct
46 Correct 203 ms 9916 KB Output is correct
47 Correct 201 ms 9976 KB Output is correct
48 Correct 197 ms 9976 KB Output is correct
49 Correct 1228 ms 116832 KB Output is correct
50 Correct 1651 ms 116220 KB Output is correct
51 Correct 251 ms 10724 KB Output is correct
52 Correct 436 ms 10488 KB Output is correct
53 Correct 1293 ms 96984 KB Output is correct
54 Correct 1278 ms 92764 KB Output is correct
55 Correct 1200 ms 96632 KB Output is correct
56 Correct 1194 ms 92860 KB Output is correct
57 Correct 241 ms 10852 KB Output is correct
58 Correct 243 ms 10596 KB Output is correct
59 Correct 450 ms 10316 KB Output is correct
60 Correct 434 ms 10280 KB Output is correct
61 Correct 1220 ms 116344 KB Output is correct
62 Correct 1260 ms 97120 KB Output is correct
63 Correct 1238 ms 92020 KB Output is correct
64 Correct 1528 ms 116424 KB Output is correct
65 Correct 1487 ms 96744 KB Output is correct
66 Correct 1157 ms 93052 KB Output is correct
67 Correct 1824 ms 116512 KB Output is correct
68 Correct 1688 ms 97016 KB Output is correct
69 Correct 1117 ms 91796 KB Output is correct
70 Correct 1088 ms 116468 KB Output is correct
71 Correct 1154 ms 96900 KB Output is correct
72 Correct 1141 ms 92664 KB Output is correct
73 Correct 1161 ms 116344 KB Output is correct
74 Correct 1192 ms 97016 KB Output is correct
75 Correct 1188 ms 92404 KB Output is correct
76 Correct 1214 ms 116524 KB Output is correct
77 Correct 1112 ms 115832 KB Output is correct
78 Correct 1082 ms 116272 KB Output is correct
79 Correct 237 ms 10360 KB Output is correct
80 Correct 209 ms 9912 KB Output is correct
81 Correct 198 ms 9980 KB Output is correct
82 Correct 1306 ms 115832 KB Output is correct
83 Correct 1377 ms 113912 KB Output is correct
84 Correct 1234 ms 115236 KB Output is correct
85 Correct 1265 ms 113528 KB Output is correct
86 Correct 1166 ms 115448 KB Output is correct
87 Correct 1238 ms 113712 KB Output is correct
88 Correct 233 ms 10232 KB Output is correct
89 Correct 232 ms 10232 KB Output is correct
90 Correct 199 ms 9848 KB Output is correct
91 Correct 201 ms 9976 KB Output is correct
92 Correct 194 ms 9976 KB Output is correct
93 Correct 205 ms 9976 KB Output is correct
94 Correct 1062 ms 78072 KB Output is correct
95 Correct 982 ms 70900 KB Output is correct
96 Correct 996 ms 77304 KB Output is correct
97 Correct 929 ms 71852 KB Output is correct
98 Correct 1012 ms 77864 KB Output is correct
99 Correct 952 ms 71544 KB Output is correct
100 Correct 246 ms 10236 KB Output is correct
101 Correct 233 ms 10360 KB Output is correct
102 Correct 215 ms 9976 KB Output is correct
103 Correct 203 ms 9976 KB Output is correct
104 Correct 196 ms 9976 KB Output is correct
105 Correct 196 ms 9976 KB Output is correct
106 Correct 1257 ms 96760 KB Output is correct
107 Correct 1236 ms 92576 KB Output is correct
108 Correct 1203 ms 96760 KB Output is correct
109 Correct 1135 ms 92148 KB Output is correct
110 Correct 1179 ms 96928 KB Output is correct
111 Correct 1155 ms 92536 KB Output is correct
112 Correct 242 ms 10372 KB Output is correct
113 Correct 236 ms 10364 KB Output is correct
114 Correct 202 ms 9848 KB Output is correct
115 Correct 204 ms 10012 KB Output is correct
116 Correct 196 ms 9848 KB Output is correct
117 Correct 196 ms 9980 KB Output is correct
118 Correct 1083 ms 116180 KB Output is correct
119 Correct 1157 ms 97016 KB Output is correct
120 Correct 1145 ms 92476 KB Output is correct
121 Correct 1126 ms 115960 KB Output is correct
122 Correct 1144 ms 96692 KB Output is correct
123 Correct 1151 ms 92144 KB Output is correct
124 Correct 1071 ms 116600 KB Output is correct
125 Correct 1215 ms 96712 KB Output is correct
126 Correct 1150 ms 92280 KB Output is correct