oj.uz

Submission #547382

# Submission time Handle Problem Language Result Execution time Memory
547382 2022-04-10T14:53:24 Z krit3379 Bitaro’s Party (JOI18_bitaro) C++17
100 / 100
 1450 ms 414540 KB 
#include<bits/stdc++.h>
using namespace std;
#define N 100005
#define K 333

int ma[N],c[N],dpp[N],ans;
vector<int> g[N],v;
vector<pair<int,int>> dp[N];
bitset<N> vis;

int main(){
    int n,m,q,i,j,a,b,t,y;
    scanf("%d %d %d",&n,&m,&q);
    for(i=1;i<=m;i++){
        scanf("%d %d",&a,&b);
        g[b].push_back(a);
    }
    for(i=1;i<=n;i++){
        v.push_back(i);
        for(auto x:g[i]){
            for(auto [val,idx]:dp[x]){
                if(!ma[idx])v.push_back(idx);
                ma[idx]=max(ma[idx],val+1);
            }
        }
        sort(v.begin(),v.end(),[&ma](int a,int b){return ma[a]>ma[b];});
        for(j=0;j<min((int)v.size(),K);j++)dp[i].push_back({ma[v[j]],v[j]});
        for(auto x:v)ma[x]=0;
        v.clear();
    }
    while(q--){
        scanf("%d %d",&t,&y);
        for(i=1;i<=y;i++)scanf("%d",&c[i]),vis[c[i]]=true;
        ans=-1;
        if(y>=K){
            for(i=1;i<=t;i++){
                dpp[i]=vis[i]?-1e9:0;
                for(auto x:g[i])dpp[i]=max(dpp[i],dpp[x]+1);
            }
            ans=max(ans,dpp[t]);
        }
        else for(auto [val,idx]:dp[t])if(!vis[idx])ans=max(ans,val);
        printf("%d\n",ans);
        for(i=1;i<=y;i++)vis[c[i]]=false;
    }
    return 0;
}

Compilation message

bitaro.cpp: In function 'int main()':
bitaro.cpp:26:34: warning: capture of variable 'ma' with non-automatic storage duration
   26 |         sort(v.begin(),v.end(),[&ma](int a,int b){return ma[a]>ma[b];});
      |                                  ^~
bitaro.cpp:6:5: note: 'int ma [100005]' declared here
    6 | int ma[N],c[N],dpp[N],ans;
      |     ^~
bitaro.cpp:13:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |     scanf("%d %d %d",&n,&m,&q);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~
bitaro.cpp:15:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |         scanf("%d %d",&a,&b);
      |         ~~~~~^~~~~~~~~~~~~~~
bitaro.cpp:32:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   32 |         scanf("%d %d",&t,&y);
      |         ~~~~~^~~~~~~~~~~~~~~
bitaro.cpp:33:31: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   33 |         for(i=1;i<=y;i++)scanf("%d",&c[i]),vis[c[i]]=true;
      |                          ~~~~~^~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 5 ms 5460 KB Output is correct
6 Correct 5 ms 5460 KB Output is correct
7 Correct 5 ms 5460 KB Output is correct
8 Correct 15 ms 8384 KB Output is correct
9 Correct 13 ms 8320 KB Output is correct
10 Correct 13 ms 8324 KB Output is correct
11 Correct 13 ms 7892 KB Output is correct
12 Correct 7 ms 6228 KB Output is correct
13 Correct 12 ms 7764 KB Output is correct
14 Correct 11 ms 6968 KB Output is correct
15 Correct 6 ms 5972 KB Output is correct
16 Correct 10 ms 6880 KB Output is correct
17 Correct 10 ms 7236 KB Output is correct
18 Correct 7 ms 6100 KB Output is correct
19 Correct 12 ms 7132 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 5 ms 5460 KB Output is correct
6 Correct 5 ms 5460 KB Output is correct
7 Correct 5 ms 5460 KB Output is correct
8 Correct 15 ms 8384 KB Output is correct
9 Correct 13 ms 8320 KB Output is correct
10 Correct 13 ms 8324 KB Output is correct
11 Correct 13 ms 7892 KB Output is correct
12 Correct 7 ms 6228 KB Output is correct
13 Correct 12 ms 7764 KB Output is correct
14 Correct 11 ms 6968 KB Output is correct
15 Correct 6 ms 5972 KB Output is correct
16 Correct 10 ms 6880 KB Output is correct
17 Correct 10 ms 7236 KB Output is correct
18 Correct 7 ms 6100 KB Output is correct
19 Correct 12 ms 7132 KB Output is correct
20 Correct 214 ms 9480 KB Output is correct
21 Correct 191 ms 9420 KB Output is correct
22 Correct 207 ms 9536 KB Output is correct
23 Correct 241 ms 9452 KB Output is correct
24 Correct 1131 ms 251528 KB Output is correct
25 Correct 1218 ms 262944 KB Output is correct
26 Correct 1188 ms 262072 KB Output is correct
27 Correct 1171 ms 410644 KB Output is correct
28 Correct 1195 ms 410712 KB Output is correct
29 Correct 1209 ms 410740 KB Output is correct
30 Correct 1248 ms 409992 KB Output is correct
31 Correct 1450 ms 395736 KB Output is correct
32 Correct 1202 ms 409968 KB Output is correct
33 Correct 1036 ms 252524 KB Output is correct
34 Correct 963 ms 206644 KB Output is correct
35 Correct 986 ms 250792 KB Output is correct
36 Correct 1203 ms 331508 KB Output is correct
37 Correct 1282 ms 299560 KB Output is correct
38 Correct 1196 ms 332448 KB Output is correct

Subtask #3
86.0 / 86.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 5 ms 5460 KB Output is correct
6 Correct 5 ms 5460 KB Output is correct
7 Correct 5 ms 5460 KB Output is correct
8 Correct 15 ms 8384 KB Output is correct
9 Correct 13 ms 8320 KB Output is correct
10 Correct 13 ms 8324 KB Output is correct
11 Correct 13 ms 7892 KB Output is correct
12 Correct 7 ms 6228 KB Output is correct
13 Correct 12 ms 7764 KB Output is correct
14 Correct 11 ms 6968 KB Output is correct
15 Correct 6 ms 5972 KB Output is correct
16 Correct 10 ms 6880 KB Output is correct
17 Correct 10 ms 7236 KB Output is correct
18 Correct 7 ms 6100 KB Output is correct
19 Correct 12 ms 7132 KB Output is correct
20 Correct 214 ms 9480 KB Output is correct
21 Correct 191 ms 9420 KB Output is correct
22 Correct 207 ms 9536 KB Output is correct
23 Correct 241 ms 9452 KB Output is correct
24 Correct 1131 ms 251528 KB Output is correct
25 Correct 1218 ms 262944 KB Output is correct
26 Correct 1188 ms 262072 KB Output is correct
27 Correct 1171 ms 410644 KB Output is correct
28 Correct 1195 ms 410712 KB Output is correct
29 Correct 1209 ms 410740 KB Output is correct
30 Correct 1248 ms 409992 KB Output is correct
31 Correct 1450 ms 395736 KB Output is correct
32 Correct 1202 ms 409968 KB Output is correct
33 Correct 1036 ms 252524 KB Output is correct
34 Correct 963 ms 206644 KB Output is correct
35 Correct 986 ms 250792 KB Output is correct
36 Correct 1203 ms 331508 KB Output is correct
37 Correct 1282 ms 299560 KB Output is correct
38 Correct 1196 ms 332448 KB Output is correct
39 Correct 1262 ms 254640 KB Output is correct
40 Correct 1176 ms 259768 KB Output is correct
41 Correct 1168 ms 262596 KB Output is correct
42 Correct 1219 ms 260644 KB Output is correct
43 Correct 1155 ms 260100 KB Output is correct
44 Correct 277 ms 12304 KB Output is correct
45 Correct 213 ms 11444 KB Output is correct
46 Correct 211 ms 11380 KB Output is correct
47 Correct 205 ms 11200 KB Output is correct
48 Correct 208 ms 10956 KB Output is correct
49 Correct 1247 ms 414068 KB Output is correct
50 Correct 1135 ms 412900 KB Output is correct
51 Correct 269 ms 12128 KB Output is correct
52 Correct 196 ms 11300 KB Output is correct
53 Correct 1269 ms 333332 KB Output is correct
54 Correct 1283 ms 303352 KB Output is correct
55 Correct 1155 ms 332764 KB Output is correct
56 Correct 1193 ms 303064 KB Output is correct
57 Correct 275 ms 12236 KB Output is correct
58 Correct 264 ms 12232 KB Output is correct
59 Correct 196 ms 11384 KB Output is correct
60 Correct 194 ms 11288 KB Output is correct
61 Correct 1194 ms 413212 KB Output is correct
62 Correct 1215 ms 334588 KB Output is correct
63 Correct 1237 ms 301996 KB Output is correct
64 Correct 1236 ms 413348 KB Output is correct
65 Correct 1222 ms 333048 KB Output is correct
66 Correct 1345 ms 303740 KB Output is correct
67 Correct 1160 ms 413084 KB Output is correct
68 Correct 1177 ms 334120 KB Output is correct
69 Correct 1193 ms 299412 KB Output is correct
70 Correct 1146 ms 413356 KB Output is correct
71 Correct 1190 ms 334476 KB Output is correct
72 Correct 1216 ms 303228 KB Output is correct
73 Correct 1159 ms 413476 KB Output is correct
74 Correct 1196 ms 334540 KB Output is correct
75 Correct 1254 ms 303260 KB Output is correct
76 Correct 1282 ms 414540 KB Output is correct
77 Correct 1148 ms 413120 KB Output is correct
78 Correct 1135 ms 413580 KB Output is correct
79 Correct 272 ms 12236 KB Output is correct
80 Correct 199 ms 11360 KB Output is correct
81 Correct 194 ms 10940 KB Output is correct
82 Correct 1320 ms 414100 KB Output is correct
83 Correct 1406 ms 399516 KB Output is correct
84 Correct 1211 ms 412704 KB Output is correct
85 Correct 1310 ms 398008 KB Output is correct
86 Correct 1197 ms 412968 KB Output is correct
87 Correct 1299 ms 399156 KB Output is correct
88 Correct 264 ms 12288 KB Output is correct
89 Correct 262 ms 12288 KB Output is correct
90 Correct 200 ms 11432 KB Output is correct
91 Correct 205 ms 11396 KB Output is correct
92 Correct 195 ms 11048 KB Output is correct
93 Correct 194 ms 11160 KB Output is correct
94 Correct 1105 ms 256328 KB Output is correct
95 Correct 1029 ms 209100 KB Output is correct
96 Correct 971 ms 253944 KB Output is correct
97 Correct 971 ms 211820 KB Output is correct
98 Correct 959 ms 255176 KB Output is correct
99 Correct 953 ms 211576 KB Output is correct
100 Correct 304 ms 12404 KB Output is correct
101 Correct 290 ms 12364 KB Output is correct
102 Correct 235 ms 11408 KB Output is correct
103 Correct 231 ms 11416 KB Output is correct
104 Correct 221 ms 11196 KB Output is correct
105 Correct 226 ms 10988 KB Output is correct
106 Correct 1292 ms 334208 KB Output is correct
107 Correct 1287 ms 303880 KB Output is correct
108 Correct 1178 ms 335200 KB Output is correct
109 Correct 1190 ms 302592 KB Output is correct
110 Correct 1168 ms 335492 KB Output is correct
111 Correct 1201 ms 303872 KB Output is correct
112 Correct 265 ms 12356 KB Output is correct
113 Correct 268 ms 12256 KB Output is correct
114 Correct 199 ms 11340 KB Output is correct
115 Correct 199 ms 11384 KB Output is correct
116 Correct 193 ms 10964 KB Output is correct
117 Correct 198 ms 10976 KB Output is correct
118 Correct 1163 ms 412896 KB Output is correct
119 Correct 1143 ms 334816 KB Output is correct
120 Correct 1172 ms 302236 KB Output is correct
121 Correct 1145 ms 412956 KB Output is correct
122 Correct 1188 ms 333216 KB Output is correct
123 Correct 1183 ms 302324 KB Output is correct
124 Correct 1142 ms 412908 KB Output is correct
125 Correct 1193 ms 334888 KB Output is correct
126 Correct 1183 ms 301056 KB Output is correct