oj.uz

Submission #95095

# Submission time Handle Problem Language Result Execution time Memory
95095 2019-01-27T09:04:17 Z omidazadi Bitaro’s Party (JOI18_bitaro) C++14
100 / 100
 1865 ms 117100 KB 
#include <bits/stdc++.h>

using namespace std;

#define ll long long
#define ld long double
#define pll pair <ll , ll>

#define pb push_back
#define pf push_front
#define pob pop_back
#define pof pop_front
#define mp make_pair

#define X first
#define Y second

#define LB(x) ((x) & -(x))
#define BIT(x , y) (((x) >> (y)) & 1)

#define ll int

const ll MAXN=1e5+10;
const ll SQ=100;

vector <pll> e[MAXN];
vector <ll> in[MAXN];
vector <ll> out[MAXN];

vector <pll> f;

ll w[MAXN];
ll z[MAXN];
ll dp[MAXN];

int main()
{
	ios_base :: sync_with_stdio(false);
	cin.tie(0);

	ll n , m , q;
	cin>>n>>m>>q;

	for(ll i=1;i<=m;i++)
	{
		ll v , u;
		cin>>v>>u;

		out[v].pb(u);
		in[u].pb(v);
	}

	for(ll i=1;i<=n;i++)
	{
		for(ll j=0;j<in[i].size();j++)
		{
			ll v=in[i][j];

			for(ll u=0;u<e[v].size();u++)
			{
				f.pb(mp(e[v][u].X+1 , e[v][u].Y));
			}
		}

		sort(f.begin() , f.end() , std::greater<pll>());

		for(ll j=0;j<f.size();j++)
		{
			if (e[i].size()==SQ)
			{
				break;
			}

			if (w[f[j].Y]!=i)
			{
				w[f[j].Y]=i;
				e[i].pb(f[j]);
			}
		}

		if (e[i].size()<SQ)
		{
			e[i].pb(mp(0 , i));
		}

		f.clear();
	}

	for(ll i=1;i<=q;i++)
	{
		ll t , y;
		cin>>t>>y;

		for(ll j=1;j<=y;j++)
		{
			ll x;
			cin>>x;

			z[x]=i;
		}

		if (y>=SQ)
		{
			ll res=-1;

			for(ll j=t;j>=1;j--)
			{
				dp[j]=(j==t ? 0 : -1);

				for(ll u=0;u<out[j].size();u++)
				{
					if (out[j][u]<=t && dp[out[j][u]]!=-1)
					{
						dp[j]=max(dp[j] , dp[out[j][u]]+1);
					}
				}

				if (z[j]!=i)
				{
					res=max(res , dp[j]);
				}
			}

			cout<<res<<endl;
		}
		else
		{
			bool flag=false;

			for(ll j=0;j<e[t].size();j++)
			{
				if (z[e[t][j].Y]!=i)
				{
					cout<<e[t][j].X<<endl;
					flag=true;
					break;
				}
			}

			if (!flag)
			{
				cout<<-1<<endl;
			}
		}
	}
}

Compilation message

bitaro.cpp:21:0: warning: "ll" redefined
 #define ll int
 
bitaro.cpp:5:0: note: this is the location of the previous definition
 #define ll long long
 
bitaro.cpp: In function 'int main()':
bitaro.cpp:55:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(ll j=0;j<in[i].size();j++)
              ~^~~~~~~~~~~~~
bitaro.cpp:59:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(ll u=0;u<e[v].size();u++)
               ~^~~~~~~~~~~~
bitaro.cpp:67:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(ll j=0;j<f.size();j++)
              ~^~~~~~~~~
bitaro.cpp:110:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(ll u=0;u<out[j].size();u++)
                ~^~~~~~~~~~~~~~
bitaro.cpp:130:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(ll j=0;j<e[t].size();j++)
               ~^~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 7420 KB Output is correct
2 Correct 8 ms 7420 KB Output is correct
3 Correct 8 ms 7416 KB Output is correct
4 Correct 7 ms 7416 KB Output is correct
5 Correct 11 ms 7928 KB Output is correct
6 Correct 11 ms 7928 KB Output is correct
7 Correct 11 ms 7928 KB Output is correct
8 Correct 13 ms 8440 KB Output is correct
9 Correct 15 ms 8412 KB Output is correct
10 Correct 14 ms 8440 KB Output is correct
11 Correct 16 ms 8440 KB Output is correct
12 Correct 14 ms 8184 KB Output is correct
13 Correct 16 ms 8440 KB Output is correct
14 Correct 14 ms 8056 KB Output is correct
15 Correct 13 ms 7928 KB Output is correct
16 Correct 14 ms 8056 KB Output is correct
17 Correct 14 ms 8184 KB Output is correct
18 Correct 13 ms 8060 KB Output is correct
19 Correct 15 ms 8184 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 7420 KB Output is correct
2 Correct 8 ms 7420 KB Output is correct
3 Correct 8 ms 7416 KB Output is correct
4 Correct 7 ms 7416 KB Output is correct
5 Correct 11 ms 7928 KB Output is correct
6 Correct 11 ms 7928 KB Output is correct
7 Correct 11 ms 7928 KB Output is correct
8 Correct 13 ms 8440 KB Output is correct
9 Correct 15 ms 8412 KB Output is correct
10 Correct 14 ms 8440 KB Output is correct
11 Correct 16 ms 8440 KB Output is correct
12 Correct 14 ms 8184 KB Output is correct
13 Correct 16 ms 8440 KB Output is correct
14 Correct 14 ms 8056 KB Output is correct
15 Correct 13 ms 7928 KB Output is correct
16 Correct 14 ms 8056 KB Output is correct
17 Correct 14 ms 8184 KB Output is correct
18 Correct 13 ms 8060 KB Output is correct
19 Correct 15 ms 8184 KB Output is correct
20 Correct 1374 ms 11236 KB Output is correct
21 Correct 1346 ms 11124 KB Output is correct
22 Correct 1368 ms 10916 KB Output is correct
23 Correct 1349 ms 11780 KB Output is correct
24 Correct 1006 ms 91336 KB Output is correct
25 Correct 1025 ms 92536 KB Output is correct
26 Correct 1062 ms 92280 KB Output is correct
27 Correct 850 ms 116400 KB Output is correct
28 Correct 836 ms 116600 KB Output is correct
29 Correct 792 ms 116412 KB Output is correct
30 Correct 874 ms 115484 KB Output is correct
31 Correct 961 ms 113804 KB Output is correct
32 Correct 791 ms 115328 KB Output is correct
33 Correct 735 ms 78216 KB Output is correct
34 Correct 694 ms 72028 KB Output is correct
35 Correct 697 ms 78028 KB Output is correct
36 Correct 818 ms 97560 KB Output is correct
37 Correct 814 ms 93164 KB Output is correct
38 Correct 777 ms 97272 KB Output is correct

Subtask #3
86.0 / 86.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 7420 KB Output is correct
2 Correct 8 ms 7420 KB Output is correct
3 Correct 8 ms 7416 KB Output is correct
4 Correct 7 ms 7416 KB Output is correct
5 Correct 11 ms 7928 KB Output is correct
6 Correct 11 ms 7928 KB Output is correct
7 Correct 11 ms 7928 KB Output is correct
8 Correct 13 ms 8440 KB Output is correct
9 Correct 15 ms 8412 KB Output is correct
10 Correct 14 ms 8440 KB Output is correct
11 Correct 16 ms 8440 KB Output is correct
12 Correct 14 ms 8184 KB Output is correct
13 Correct 16 ms 8440 KB Output is correct
14 Correct 14 ms 8056 KB Output is correct
15 Correct 13 ms 7928 KB Output is correct
16 Correct 14 ms 8056 KB Output is correct
17 Correct 14 ms 8184 KB Output is correct
18 Correct 13 ms 8060 KB Output is correct
19 Correct 15 ms 8184 KB Output is correct
20 Correct 1374 ms 11236 KB Output is correct
21 Correct 1346 ms 11124 KB Output is correct
22 Correct 1368 ms 10916 KB Output is correct
23 Correct 1349 ms 11780 KB Output is correct
24 Correct 1006 ms 91336 KB Output is correct
25 Correct 1025 ms 92536 KB Output is correct
26 Correct 1062 ms 92280 KB Output is correct
27 Correct 850 ms 116400 KB Output is correct
28 Correct 836 ms 116600 KB Output is correct
29 Correct 792 ms 116412 KB Output is correct
30 Correct 874 ms 115484 KB Output is correct
31 Correct 961 ms 113804 KB Output is correct
32 Correct 791 ms 115328 KB Output is correct
33 Correct 735 ms 78216 KB Output is correct
34 Correct 694 ms 72028 KB Output is correct
35 Correct 697 ms 78028 KB Output is correct
36 Correct 818 ms 97560 KB Output is correct
37 Correct 814 ms 93164 KB Output is correct
38 Correct 777 ms 97272 KB Output is correct
39 Correct 1286 ms 91712 KB Output is correct
40 Correct 1065 ms 92132 KB Output is correct
41 Correct 1670 ms 92524 KB Output is correct
42 Correct 1185 ms 92408 KB Output is correct
43 Correct 979 ms 91996 KB Output is correct
44 Correct 1545 ms 11336 KB Output is correct
45 Correct 1396 ms 11052 KB Output is correct
46 Correct 1623 ms 10972 KB Output is correct
47 Correct 1430 ms 11224 KB Output is correct
48 Correct 1385 ms 11004 KB Output is correct
49 Correct 1047 ms 116460 KB Output is correct
50 Correct 1381 ms 116156 KB Output is correct
51 Correct 1510 ms 11512 KB Output is correct
52 Correct 1603 ms 11032 KB Output is correct
53 Correct 1043 ms 97120 KB Output is correct
54 Correct 963 ms 92900 KB Output is correct
55 Correct 1424 ms 97084 KB Output is correct
56 Correct 1531 ms 93420 KB Output is correct
57 Correct 1490 ms 11428 KB Output is correct
58 Correct 1505 ms 11688 KB Output is correct
59 Correct 1599 ms 11120 KB Output is correct
60 Correct 1614 ms 11348 KB Output is correct
61 Correct 830 ms 116288 KB Output is correct
62 Correct 911 ms 97408 KB Output is correct
63 Correct 909 ms 92676 KB Output is correct
64 Correct 1068 ms 116248 KB Output is correct
65 Correct 1145 ms 97016 KB Output is correct
66 Correct 1148 ms 93368 KB Output is correct
67 Correct 1303 ms 116296 KB Output is correct
68 Correct 1397 ms 97432 KB Output is correct
69 Correct 1483 ms 92292 KB Output is correct
70 Correct 822 ms 116200 KB Output is correct
71 Correct 847 ms 97144 KB Output is correct
72 Correct 864 ms 93112 KB Output is correct
73 Correct 798 ms 116316 KB Output is correct
74 Correct 887 ms 97264 KB Output is correct
75 Correct 831 ms 92952 KB Output is correct
76 Correct 935 ms 117100 KB Output is correct
77 Correct 1333 ms 116760 KB Output is correct
78 Correct 815 ms 116600 KB Output is correct
79 Correct 1485 ms 11484 KB Output is correct
80 Correct 1606 ms 11040 KB Output is correct
81 Correct 1358 ms 10960 KB Output is correct
82 Correct 1022 ms 116128 KB Output is correct
83 Correct 1258 ms 113952 KB Output is correct
84 Correct 1865 ms 116088 KB Output is correct
85 Correct 1751 ms 114040 KB Output is correct
86 Correct 921 ms 115832 KB Output is correct
87 Correct 1141 ms 114168 KB Output is correct
88 Correct 1525 ms 11468 KB Output is correct
89 Correct 1545 ms 11372 KB Output is correct
90 Correct 1600 ms 11092 KB Output is correct
91 Correct 1611 ms 10968 KB Output is correct
92 Correct 1347 ms 11068 KB Output is correct
93 Correct 1347 ms 11032 KB Output is correct
94 Correct 879 ms 78724 KB Output is correct
95 Correct 867 ms 71956 KB Output is correct
96 Correct 1333 ms 78516 KB Output is correct
97 Correct 1186 ms 72816 KB Output is correct
98 Correct 739 ms 78584 KB Output is correct
99 Correct 694 ms 72272 KB Output is correct
100 Correct 1524 ms 11520 KB Output is correct
101 Correct 1481 ms 11892 KB Output is correct
102 Correct 1571 ms 11120 KB Output is correct
103 Correct 1506 ms 11892 KB Output is correct
104 Correct 1350 ms 11128 KB Output is correct
105 Correct 1351 ms 11848 KB Output is correct
106 Correct 1052 ms 97440 KB Output is correct
107 Correct 1042 ms 93468 KB Output is correct
108 Correct 1541 ms 97808 KB Output is correct
109 Correct 1557 ms 93188 KB Output is correct
110 Correct 827 ms 98040 KB Output is correct
111 Correct 838 ms 93652 KB Output is correct
112 Correct 1516 ms 11508 KB Output is correct
113 Correct 1540 ms 11684 KB Output is correct
114 Correct 1614 ms 10916 KB Output is correct
115 Correct 1654 ms 11260 KB Output is correct
116 Correct 1378 ms 10936 KB Output is correct
117 Correct 1393 ms 11380 KB Output is correct
118 Correct 816 ms 115932 KB Output is correct
119 Correct 905 ms 97216 KB Output is correct
120 Correct 840 ms 92672 KB Output is correct
121 Correct 816 ms 115908 KB Output is correct
122 Correct 870 ms 96820 KB Output is correct
123 Correct 885 ms 92532 KB Output is correct
124 Correct 847 ms 115960 KB Output is correct
125 Correct 865 ms 97272 KB Output is correct
126 Correct 850 ms 92660 KB Output is correct