oj.uz

Submission #94286

# Submission time Handle Problem Language Result Execution time Memory
94286 2019-01-17T10:04:31 Z autumn_eel Bitaro’s Party (JOI18_bitaro) C++14
14 / 100
 2000 ms 73352 KB 
#include <bits/stdc++.h>
#define rep(i,n)for(int i=0;i<(n);i++)
#define INF 0x3f3f3f3f
using namespace std;
typedef pair<int,int>P;

#define B 40

vector<int>E[200000];
vector<P>dp[200000];

int dp2[200000];
bool b[200000];

int main(){
	int n,m,q;cin>>n>>m>>q;
	rep(i,m){
		int s,t;scanf("%d%d",&s,&t);s--;t--;
		E[t].push_back(s);
	}
	rep(i,n)dp[i].push_back(P(0,i));
	rep(i,n){
		map<int,int>mp;
		for(int u:E[i]){
			for(auto&p:dp[u])mp[p.second]=max(mp[p.second],p.first+1);
		}
		for(auto&p:mp){
			dp[i].push_back(P(p.second,p.first));
		}
		sort(dp[i].begin(),dp[i].end(),greater<>());
		while(dp[i].size()>B)dp[i].pop_back();
	}
	rep(i,q){
		int t,y;scanf("%d%d",&t,&y);t--;
		vector<int>v;
		rep(j,y){
			int c;scanf("%d",&c);c--;
			v.push_back(c);
		}
		if(y<B){
			for(int i:v)b[i]=true;
			for(auto&p:dp[t]){
				if(!b[p.second]){
					printf("%d\n",p.first);
					goto g;
				}
			}
			puts("-1");
			g:;
			for(int i:v)b[i]=false;
		}
		else{
			fill(dp2,dp2+t+1,0);
			for(int i:v)dp2[i]=-INF;
			rep(i,t+1){
				for(int u:E[i]){
					dp2[i]=max(dp2[i],dp2[u]+1);
				}
			}
			printf("%d\n",dp2[t]<0?-1:dp2[t]);
		}
	}
}

Compilation message

bitaro.cpp: In function 'int main()':
bitaro.cpp:18:16: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   int s,t;scanf("%d%d",&s,&t);s--;t--;
           ~~~~~^~~~~~~~~~~~~~
bitaro.cpp:34:16: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   int t,y;scanf("%d%d",&t,&y);t--;
           ~~~~~^~~~~~~~~~~~~~
bitaro.cpp:37:15: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    int c;scanf("%d",&c);c--;
          ~~~~~^~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9720 KB Output is correct
2 Correct 10 ms 9724 KB Output is correct
3 Correct 10 ms 9720 KB Output is correct
4 Correct 8 ms 9720 KB Output is correct
5 Correct 15 ms 10104 KB Output is correct
6 Correct 15 ms 10236 KB Output is correct
7 Correct 14 ms 10104 KB Output is correct
8 Correct 14 ms 10232 KB Output is correct
9 Correct 13 ms 10236 KB Output is correct
10 Correct 13 ms 10232 KB Output is correct
11 Correct 14 ms 10232 KB Output is correct
12 Correct 16 ms 10232 KB Output is correct
13 Correct 13 ms 10232 KB Output is correct
14 Correct 15 ms 10104 KB Output is correct
15 Correct 18 ms 10104 KB Output is correct
16 Correct 16 ms 10104 KB Output is correct
17 Correct 14 ms 10232 KB Output is correct
18 Correct 16 ms 10104 KB Output is correct
19 Correct 15 ms 10232 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9720 KB Output is correct
2 Correct 10 ms 9724 KB Output is correct
3 Correct 10 ms 9720 KB Output is correct
4 Correct 8 ms 9720 KB Output is correct
5 Correct 15 ms 10104 KB Output is correct
6 Correct 15 ms 10236 KB Output is correct
7 Correct 14 ms 10104 KB Output is correct
8 Correct 14 ms 10232 KB Output is correct
9 Correct 13 ms 10236 KB Output is correct
10 Correct 13 ms 10232 KB Output is correct
11 Correct 14 ms 10232 KB Output is correct
12 Correct 16 ms 10232 KB Output is correct
13 Correct 13 ms 10232 KB Output is correct
14 Correct 15 ms 10104 KB Output is correct
15 Correct 18 ms 10104 KB Output is correct
16 Correct 16 ms 10104 KB Output is correct
17 Correct 14 ms 10232 KB Output is correct
18 Correct 16 ms 10104 KB Output is correct
19 Correct 15 ms 10232 KB Output is correct
20 Correct 153 ms 12864 KB Output is correct
21 Correct 152 ms 12824 KB Output is correct
22 Correct 153 ms 13088 KB Output is correct
23 Correct 159 ms 12920 KB Output is correct
24 Correct 992 ms 61060 KB Output is correct
25 Correct 1053 ms 60020 KB Output is correct
26 Correct 1014 ms 60532 KB Output is correct
27 Correct 577 ms 67832 KB Output is correct
28 Correct 587 ms 67828 KB Output is correct
29 Correct 552 ms 67996 KB Output is correct
30 Correct 518 ms 67960 KB Output is correct
31 Correct 865 ms 69980 KB Output is correct
32 Correct 586 ms 67708 KB Output is correct
33 Correct 594 ms 51760 KB Output is correct
34 Correct 1133 ms 62200 KB Output is correct
35 Correct 638 ms 51796 KB Output is correct
36 Correct 570 ms 60276 KB Output is correct
37 Correct 1038 ms 62980 KB Output is correct
38 Correct 596 ms 60284 KB Output is correct

Subtask #3
0 / 86.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9720 KB Output is correct
2 Correct 10 ms 9724 KB Output is correct
3 Correct 10 ms 9720 KB Output is correct
4 Correct 8 ms 9720 KB Output is correct
5 Correct 15 ms 10104 KB Output is correct
6 Correct 15 ms 10236 KB Output is correct
7 Correct 14 ms 10104 KB Output is correct
8 Correct 14 ms 10232 KB Output is correct
9 Correct 13 ms 10236 KB Output is correct
10 Correct 13 ms 10232 KB Output is correct
11 Correct 14 ms 10232 KB Output is correct
12 Correct 16 ms 10232 KB Output is correct
13 Correct 13 ms 10232 KB Output is correct
14 Correct 15 ms 10104 KB Output is correct
15 Correct 18 ms 10104 KB Output is correct
16 Correct 16 ms 10104 KB Output is correct
17 Correct 14 ms 10232 KB Output is correct
18 Correct 16 ms 10104 KB Output is correct
19 Correct 15 ms 10232 KB Output is correct
20 Correct 153 ms 12864 KB Output is correct
21 Correct 152 ms 12824 KB Output is correct
22 Correct 153 ms 13088 KB Output is correct
23 Correct 159 ms 12920 KB Output is correct
24 Correct 992 ms 61060 KB Output is correct
25 Correct 1053 ms 60020 KB Output is correct
26 Correct 1014 ms 60532 KB Output is correct
27 Correct 577 ms 67832 KB Output is correct
28 Correct 587 ms 67828 KB Output is correct
29 Correct 552 ms 67996 KB Output is correct
30 Correct 518 ms 67960 KB Output is correct
31 Correct 865 ms 69980 KB Output is correct
32 Correct 586 ms 67708 KB Output is correct
33 Correct 594 ms 51760 KB Output is correct
34 Correct 1133 ms 62200 KB Output is correct
35 Correct 638 ms 51796 KB Output is correct
36 Correct 570 ms 60276 KB Output is correct
37 Correct 1038 ms 62980 KB Output is correct
38 Correct 596 ms 60284 KB Output is correct
39 Correct 1109 ms 61772 KB Output is correct
40 Correct 894 ms 58744 KB Output is correct
41 Correct 1465 ms 59128 KB Output is correct
42 Correct 1123 ms 60664 KB Output is correct
43 Correct 980 ms 59784 KB Output is correct
44 Correct 192 ms 14200 KB Output is correct
45 Correct 165 ms 13304 KB Output is correct
46 Correct 277 ms 13216 KB Output is correct
47 Correct 161 ms 13048 KB Output is correct
48 Correct 154 ms 12924 KB Output is correct
49 Correct 695 ms 68608 KB Output is correct
50 Correct 1290 ms 67576 KB Output is correct
51 Correct 185 ms 13944 KB Output is correct
52 Correct 247 ms 13080 KB Output is correct
53 Correct 631 ms 60640 KB Output is correct
54 Correct 1125 ms 62028 KB Output is correct
55 Correct 1193 ms 59916 KB Output is correct
56 Correct 1708 ms 61176 KB Output is correct
57 Correct 188 ms 14072 KB Output is correct
58 Correct 191 ms 14200 KB Output is correct
59 Correct 252 ms 13176 KB Output is correct
60 Correct 241 ms 13176 KB Output is correct
61 Correct 676 ms 67656 KB Output is correct
62 Correct 633 ms 60152 KB Output is correct
63 Correct 1095 ms 61816 KB Output is correct
64 Correct 776 ms 67804 KB Output is correct
65 Correct 866 ms 60120 KB Output is correct
66 Correct 1253 ms 60988 KB Output is correct
67 Correct 890 ms 67704 KB Output is correct
68 Correct 927 ms 60164 KB Output is correct
69 Correct 1296 ms 61788 KB Output is correct
70 Correct 659 ms 67960 KB Output is correct
71 Correct 523 ms 60152 KB Output is correct
72 Correct 1012 ms 60792 KB Output is correct
73 Correct 653 ms 67744 KB Output is correct
74 Correct 636 ms 60408 KB Output is correct
75 Correct 1069 ms 63508 KB Output is correct
76 Correct 660 ms 68984 KB Output is correct
77 Correct 995 ms 67960 KB Output is correct
78 Correct 591 ms 68056 KB Output is correct
79 Correct 193 ms 14200 KB Output is correct
80 Correct 228 ms 13372 KB Output is correct
81 Correct 153 ms 12792 KB Output is correct
82 Correct 678 ms 68924 KB Output is correct
83 Correct 1168 ms 72148 KB Output is correct
84 Correct 946 ms 68088 KB Output is correct
85 Correct 1618 ms 73352 KB Output is correct
86 Correct 624 ms 68128 KB Output is correct
87 Correct 1135 ms 70608 KB Output is correct
88 Correct 191 ms 14216 KB Output is correct
89 Correct 191 ms 14204 KB Output is correct
90 Correct 242 ms 13256 KB Output is correct
91 Correct 256 ms 13424 KB Output is correct
92 Correct 152 ms 12792 KB Output is correct
93 Correct 152 ms 12860 KB Output is correct
94 Correct 686 ms 52740 KB Output is correct
95 Correct 1269 ms 65936 KB Output is correct
96 Correct 1134 ms 51964 KB Output is correct
97 Correct 1623 ms 65432 KB Output is correct
98 Correct 605 ms 52252 KB Output is correct
99 Correct 1131 ms 63968 KB Output is correct
100 Correct 193 ms 14200 KB Output is correct
101 Correct 198 ms 14200 KB Output is correct
102 Correct 214 ms 13332 KB Output is correct
103 Correct 221 ms 13304 KB Output is correct
104 Correct 160 ms 12872 KB Output is correct
105 Correct 155 ms 12920 KB Output is correct
106 Correct 620 ms 61096 KB Output is correct
107 Correct 1062 ms 63100 KB Output is correct
108 Correct 988 ms 60492 KB Output is correct
109 Correct 1449 ms 61656 KB Output is correct
110 Correct 600 ms 60704 KB Output is correct
111 Correct 1046 ms 61412 KB Output is correct
112 Correct 189 ms 14140 KB Output is correct
113 Correct 190 ms 14328 KB Output is correct
114 Correct 249 ms 13304 KB Output is correct
115 Correct 245 ms 13216 KB Output is correct
116 Correct 150 ms 12920 KB Output is correct
117 Correct 150 ms 12920 KB Output is correct
118 Correct 556 ms 67436 KB Output is correct
119 Correct 527 ms 60072 KB Output is correct
120 Correct 1081 ms 63804 KB Output is correct
121 Correct 603 ms 67196 KB Output is correct
122 Correct 574 ms 59640 KB Output is correct
123 Correct 1082 ms 61712 KB Output is correct
124 Correct 1679 ms 67760 KB Output is correct
125 Correct 1657 ms 60152 KB Output is correct
126 Execution timed out 2056 ms 61924 KB Time limit exceeded