oj.uz

답안 #670581

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
670581 2022-12-09T15:15:03 Z bachhoangxuan Bitaro’s Party (JOI18_bitaro) C++17
100 / 100
 959 ms 183260 KB 
#include<bits/stdc++.h>
using namespace std;
#define maxn 100005
#define pii pair<int,int>
namespace fmap{
    int tm=0,pos[maxn];
    void clear(){tm++;}
    bool find(int x){
        if(pos[x]==tm) return true;
        return false;
    }
    void insert(int x){
        pos[x]=tm;
    }
}
const int bl=2e2+20;
int sz[maxn],n,m,q,dp[maxn];
vector<int> edge[maxn];
pii d[maxn][bl],tmp[2*bl];

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);cout.tie(NULL);
    cin >> n >> m >> q;
    for(int i=1;i<=n;i++){sz[i]=1;d[i][0]={-1,i};}
    for(int i=1;i<=m;i++){
        int u,v;cin >> u >> v;
        edge[u].push_back(v);
    }
    for(int i=1;i<=n;i++){
        for(int j=0;j<sz[i];j++) d[i][j].first++;
        for(int v:edge[i]){
            merge(d[v],d[v]+sz[v],d[i],d[i]+sz[i],tmp,greater<pii>());
            int cc=sz[i]+sz[v];
            sz[v]=0;
            fmap::clear();
            for(int j=0;j<cc;j++){
                if(fmap::find(tmp[j].second)) continue;
                d[v][sz[v]++]=tmp[j];
                fmap::insert(tmp[j].second);
                if(sz[v]==bl) break;
            }
        }
    }
    for(int i=1;i<=q;i++){
        int u,k;cin >> u >> k;
        fmap::clear();
        for(int i=1;i<=k;i++){
            int a;cin >> a;
            fmap::insert(a);
        }
        if(k<bl){
            int ans=-1;
            for(int j=0;j<sz[u];j++){
                if(fmap::find(d[u][j].second)) continue;
                ans=d[u][j].first;
                break;
            }
            cout << ans << '\n';
        }
        else{
            for(int i=1;i<=n;i++){
                if(fmap::find(i)) dp[i]=-1;
                else dp[i]=0;
            }
            for(int i=1;i<=n;i++){
                if(dp[i]==-1) continue;
                for(int v:edge[i]) dp[v]=max(dp[v],dp[i]+1);
            }
            cout << dp[u] << '\n';
        }
    }
}

Subtask #1
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2680 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 4 ms 4436 KB Output is correct
6 Correct 4 ms 4436 KB Output is correct
7 Correct 3 ms 4360 KB Output is correct
8 Correct 5 ms 4468 KB Output is correct
9 Correct 4 ms 4436 KB Output is correct
10 Correct 5 ms 4492 KB Output is correct
11 Correct 5 ms 4436 KB Output is correct
12 Correct 4 ms 4436 KB Output is correct
13 Correct 5 ms 4384 KB Output is correct
14 Correct 5 ms 4360 KB Output is correct
15 Correct 4 ms 4488 KB Output is correct
16 Correct 4 ms 4436 KB Output is correct
17 Correct 4 ms 4436 KB Output is correct
18 Correct 4 ms 4436 KB Output is correct
19 Correct 5 ms 4436 KB Output is correct

Subtask #2
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2680 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 4 ms 4436 KB Output is correct
6 Correct 4 ms 4436 KB Output is correct
7 Correct 3 ms 4360 KB Output is correct
8 Correct 5 ms 4468 KB Output is correct
9 Correct 4 ms 4436 KB Output is correct
10 Correct 5 ms 4492 KB Output is correct
11 Correct 5 ms 4436 KB Output is correct
12 Correct 4 ms 4436 KB Output is correct
13 Correct 5 ms 4384 KB Output is correct
14 Correct 5 ms 4360 KB Output is correct
15 Correct 4 ms 4488 KB Output is correct
16 Correct 4 ms 4436 KB Output is correct
17 Correct 4 ms 4436 KB Output is correct
18 Correct 4 ms 4436 KB Output is correct
19 Correct 5 ms 4436 KB Output is correct
20 Correct 292 ms 7188 KB Output is correct
21 Correct 245 ms 7204 KB Output is correct
22 Correct 286 ms 7096 KB Output is correct
23 Correct 387 ms 7224 KB Output is correct
24 Correct 434 ms 180844 KB Output is correct
25 Correct 474 ms 180940 KB Output is correct
26 Correct 454 ms 180940 KB Output is correct
27 Correct 369 ms 181920 KB Output is correct
28 Correct 392 ms 182028 KB Output is correct
29 Correct 379 ms 181884 KB Output is correct
30 Correct 399 ms 181456 KB Output is correct
31 Correct 391 ms 181348 KB Output is correct
32 Correct 387 ms 181228 KB Output is correct
33 Correct 316 ms 181804 KB Output is correct
34 Correct 304 ms 181848 KB Output is correct
35 Correct 316 ms 181804 KB Output is correct
36 Correct 360 ms 182088 KB Output is correct
37 Correct 343 ms 181996 KB Output is correct
38 Correct 356 ms 182092 KB Output is correct

Subtask #3
86.0 / 86.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2680 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 4 ms 4436 KB Output is correct
6 Correct 4 ms 4436 KB Output is correct
7 Correct 3 ms 4360 KB Output is correct
8 Correct 5 ms 4468 KB Output is correct
9 Correct 4 ms 4436 KB Output is correct
10 Correct 5 ms 4492 KB Output is correct
11 Correct 5 ms 4436 KB Output is correct
12 Correct 4 ms 4436 KB Output is correct
13 Correct 5 ms 4384 KB Output is correct
14 Correct 5 ms 4360 KB Output is correct
15 Correct 4 ms 4488 KB Output is correct
16 Correct 4 ms 4436 KB Output is correct
17 Correct 4 ms 4436 KB Output is correct
18 Correct 4 ms 4436 KB Output is correct
19 Correct 5 ms 4436 KB Output is correct
20 Correct 292 ms 7188 KB Output is correct
21 Correct 245 ms 7204 KB Output is correct
22 Correct 286 ms 7096 KB Output is correct
23 Correct 387 ms 7224 KB Output is correct
24 Correct 434 ms 180844 KB Output is correct
25 Correct 474 ms 180940 KB Output is correct
26 Correct 454 ms 180940 KB Output is correct
27 Correct 369 ms 181920 KB Output is correct
28 Correct 392 ms 182028 KB Output is correct
29 Correct 379 ms 181884 KB Output is correct
30 Correct 399 ms 181456 KB Output is correct
31 Correct 391 ms 181348 KB Output is correct
32 Correct 387 ms 181228 KB Output is correct
33 Correct 316 ms 181804 KB Output is correct
34 Correct 304 ms 181848 KB Output is correct
35 Correct 316 ms 181804 KB Output is correct
36 Correct 360 ms 182088 KB Output is correct
37 Correct 343 ms 181996 KB Output is correct
38 Correct 356 ms 182092 KB Output is correct
39 Correct 490 ms 181860 KB Output is correct
40 Correct 481 ms 180944 KB Output is correct
41 Correct 465 ms 180840 KB Output is correct
42 Correct 696 ms 181272 KB Output is correct
43 Correct 487 ms 181224 KB Output is correct
44 Correct 336 ms 8456 KB Output is correct
45 Correct 322 ms 7564 KB Output is correct
46 Correct 303 ms 7432 KB Output is correct
47 Correct 378 ms 7296 KB Output is correct
48 Correct 319 ms 7184 KB Output is correct
49 Correct 417 ms 182860 KB Output is correct
50 Correct 377 ms 181600 KB Output is correct
51 Correct 273 ms 8296 KB Output is correct
52 Correct 261 ms 7456 KB Output is correct
53 Correct 517 ms 182672 KB Output is correct
54 Correct 399 ms 182628 KB Output is correct
55 Correct 355 ms 181624 KB Output is correct
56 Correct 373 ms 181616 KB Output is correct
57 Correct 316 ms 8212 KB Output is correct
58 Correct 333 ms 8200 KB Output is correct
59 Correct 276 ms 7380 KB Output is correct
60 Correct 302 ms 7500 KB Output is correct
61 Correct 545 ms 182012 KB Output is correct
62 Correct 519 ms 181996 KB Output is correct
63 Correct 553 ms 182204 KB Output is correct
64 Correct 904 ms 182096 KB Output is correct
65 Correct 959 ms 182052 KB Output is correct
66 Correct 819 ms 182092 KB Output is correct
67 Correct 614 ms 182064 KB Output is correct
68 Correct 438 ms 182032 KB Output is correct
69 Correct 451 ms 182164 KB Output is correct
70 Correct 403 ms 182168 KB Output is correct
71 Correct 394 ms 182124 KB Output is correct
72 Correct 371 ms 182092 KB Output is correct
73 Correct 443 ms 182140 KB Output is correct
74 Correct 423 ms 182192 KB Output is correct
75 Correct 437 ms 182136 KB Output is correct
76 Correct 417 ms 183260 KB Output is correct
77 Correct 504 ms 182312 KB Output is correct
78 Correct 407 ms 182220 KB Output is correct
79 Correct 273 ms 8396 KB Output is correct
80 Correct 454 ms 7472 KB Output is correct
81 Correct 287 ms 7196 KB Output is correct
82 Correct 427 ms 182480 KB Output is correct
83 Correct 433 ms 182248 KB Output is correct
84 Correct 418 ms 181196 KB Output is correct
85 Correct 430 ms 181556 KB Output is correct
86 Correct 414 ms 181576 KB Output is correct
87 Correct 418 ms 181544 KB Output is correct
88 Correct 330 ms 8420 KB Output is correct
89 Correct 315 ms 8524 KB Output is correct
90 Correct 313 ms 7560 KB Output is correct
91 Correct 303 ms 7584 KB Output is correct
92 Correct 290 ms 7200 KB Output is correct
93 Correct 290 ms 7216 KB Output is correct
94 Correct 350 ms 182856 KB Output is correct
95 Correct 361 ms 182788 KB Output is correct
96 Correct 469 ms 182092 KB Output is correct
97 Correct 330 ms 182064 KB Output is correct
98 Correct 376 ms 182068 KB Output is correct
99 Correct 326 ms 182064 KB Output is correct
100 Correct 428 ms 8484 KB Output is correct
101 Correct 420 ms 8504 KB Output is correct
102 Correct 395 ms 7564 KB Output is correct
103 Correct 387 ms 7572 KB Output is correct
104 Correct 396 ms 7212 KB Output is correct
105 Correct 384 ms 7228 KB Output is correct
106 Correct 429 ms 183064 KB Output is correct
107 Correct 399 ms 182896 KB Output is correct
108 Correct 401 ms 182276 KB Output is correct
109 Correct 354 ms 182256 KB Output is correct
110 Correct 373 ms 182224 KB Output is correct
111 Correct 378 ms 182248 KB Output is correct
112 Correct 311 ms 8488 KB Output is correct
113 Correct 319 ms 8396 KB Output is correct
114 Correct 279 ms 7428 KB Output is correct
115 Correct 297 ms 7572 KB Output is correct
116 Correct 278 ms 7140 KB Output is correct
117 Correct 300 ms 7372 KB Output is correct
118 Correct 368 ms 181640 KB Output is correct
119 Correct 373 ms 181676 KB Output is correct
120 Correct 351 ms 181540 KB Output is correct
121 Correct 384 ms 181712 KB Output is correct
122 Correct 353 ms 181612 KB Output is correct
123 Correct 347 ms 181720 KB Output is correct
124 Correct 371 ms 181616 KB Output is correct
125 Correct 356 ms 181608 KB Output is correct
126 Correct 344 ms 181616 KB Output is correct