oj.uz

Submission #125912

# Submission time Handle Problem Language Result Execution time Memory
125912 2019-07-06T14:09:59 Z hugo_pm Bitaro’s Party (JOI18_bitaro) C++17
100 / 100
 1982 ms 128248 KB 
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
using namespace std;
 
#define form2(i, a, b) for (int i = (a); i < (b); ++i)
#define ford2(i, a, b) for (int i = (a-1); i >= (b); --i)
#define form(i, n) form2(i, 0, n)
#define ford(i, n) ford2(i, n, 0)
 
#define chmax(x, v) x = max(x, (v))
#define chmin(x, v) x = min(x, (v))
#define fi first
#define se second
 
const long long BIG = 1000000000000000000LL;
 
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
 
void solve();
signed main()
{
	ios::sync_with_stdio(false);
	cin.tie(0);
	solve();
	return 0;
}
 
const int borne = (int)(1e5) + 5;
const int lowCte = 58;
const int highCte = 60;
 
vector<int> revAdj[borne];
vector<pii> meil[borne];
 
int nbVilles, nbCan, nbReq;
 
int sk[borne];
int vu22[borne]; int tp22 = 0;
int tps = 0;
 
int dp[borne];
 
void solve()
{
	cin >> nbVilles >> nbCan >> nbReq;
	form(i, nbCan) {
		int u, v; cin >> u >> v; --u; --v;
		revAdj[v].push_back(u);
	}
 
	form(i, nbVilles) {
		meil[i].push_back({0, i});
		for (int vo : revAdj[i]) {
			for (auto tr : meil[vo]) {
				meil[i].push_back({tr.fi+1, tr.se});
			}
		}
		vector<pii> ow;
		sort(meil[i].begin(), meil[i].end());
		reverse(meil[i].begin(), meil[i].end());
 
		++tp22;
		for (auto tr : meil[i]) {
			if (vu22[tr.se] == tp22) continue;
			vu22[tr.se] = tp22;
			ow.push_back(tr);
			if ((int)(ow.size()) == highCte) break;
		}
		meil[i] = ow;
	}
 
	form(i, nbReq) {
		int villeArr; cin >> villeArr; --villeArr;
		++tps;
		int nbSkips; cin >> nbSkips;
		form(iRcp, nbSkips) { int x; cin >> x; --x; sk[x] = tps; }
		if (nbSkips < lowCte) {
			bool ff = false;
			for (auto tr : meil[villeArr]) {
				if (sk[tr.se] != tps) {
					cout << tr.fi << "\n";
					ff = true;
					break;
				}
			}
			if (!ff) {
				cout << "-1\n";
			}
		} else {
			form(pos, villeArr+1) {
				dp[pos] = 0;
				for (int vo : revAdj[pos]) if (dp[vo] > 0 || sk[vo] != tps) chmax(dp[pos], dp[vo]+1);
			}
			if (dp[villeArr] == 0 && sk[villeArr] == tps) dp[villeArr] = -1;
			cout << dp[villeArr] << "\n";
		}
	}
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 5004 KB Output is correct
2 Correct 6 ms 4984 KB Output is correct
3 Correct 6 ms 5112 KB Output is correct
4 Correct 6 ms 4984 KB Output is correct
5 Correct 11 ms 5624 KB Output is correct
6 Correct 11 ms 5608 KB Output is correct
7 Correct 11 ms 5572 KB Output is correct
8 Correct 12 ms 6264 KB Output is correct
9 Correct 13 ms 6204 KB Output is correct
10 Correct 12 ms 6140 KB Output is correct
11 Correct 13 ms 6108 KB Output is correct
12 Correct 12 ms 5852 KB Output is correct
13 Correct 13 ms 6136 KB Output is correct
14 Correct 12 ms 5752 KB Output is correct
15 Correct 11 ms 5624 KB Output is correct
16 Correct 13 ms 5852 KB Output is correct
17 Correct 14 ms 6108 KB Output is correct
18 Correct 12 ms 5724 KB Output is correct
19 Correct 13 ms 5880 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 5004 KB Output is correct
2 Correct 6 ms 4984 KB Output is correct
3 Correct 6 ms 5112 KB Output is correct
4 Correct 6 ms 4984 KB Output is correct
5 Correct 11 ms 5624 KB Output is correct
6 Correct 11 ms 5608 KB Output is correct
7 Correct 11 ms 5572 KB Output is correct
8 Correct 12 ms 6264 KB Output is correct
9 Correct 13 ms 6204 KB Output is correct
10 Correct 12 ms 6140 KB Output is correct
11 Correct 13 ms 6108 KB Output is correct
12 Correct 12 ms 5852 KB Output is correct
13 Correct 13 ms 6136 KB Output is correct
14 Correct 12 ms 5752 KB Output is correct
15 Correct 11 ms 5624 KB Output is correct
16 Correct 13 ms 5852 KB Output is correct
17 Correct 14 ms 6108 KB Output is correct
18 Correct 12 ms 5724 KB Output is correct
19 Correct 13 ms 5880 KB Output is correct
20 Correct 1117 ms 96180 KB Output is correct
21 Correct 1082 ms 95968 KB Output is correct
22 Correct 1115 ms 96088 KB Output is correct
23 Correct 1086 ms 99060 KB Output is correct
24 Correct 945 ms 101880 KB Output is correct
25 Correct 945 ms 102960 KB Output is correct
26 Correct 925 ms 102520 KB Output is correct
27 Correct 701 ms 127480 KB Output is correct
28 Correct 713 ms 127612 KB Output is correct
29 Correct 696 ms 127496 KB Output is correct
30 Correct 731 ms 127272 KB Output is correct
31 Correct 825 ms 123000 KB Output is correct
32 Correct 732 ms 127368 KB Output is correct
33 Correct 689 ms 89252 KB Output is correct
34 Correct 647 ms 83616 KB Output is correct
35 Correct 682 ms 88676 KB Output is correct
36 Correct 798 ms 106488 KB Output is correct
37 Correct 785 ms 100644 KB Output is correct
38 Correct 825 ms 106160 KB Output is correct

Subtask #3
86.0 / 86.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 5004 KB Output is correct
2 Correct 6 ms 4984 KB Output is correct
3 Correct 6 ms 5112 KB Output is correct
4 Correct 6 ms 4984 KB Output is correct
5 Correct 11 ms 5624 KB Output is correct
6 Correct 11 ms 5608 KB Output is correct
7 Correct 11 ms 5572 KB Output is correct
8 Correct 12 ms 6264 KB Output is correct
9 Correct 13 ms 6204 KB Output is correct
10 Correct 12 ms 6140 KB Output is correct
11 Correct 13 ms 6108 KB Output is correct
12 Correct 12 ms 5852 KB Output is correct
13 Correct 13 ms 6136 KB Output is correct
14 Correct 12 ms 5752 KB Output is correct
15 Correct 11 ms 5624 KB Output is correct
16 Correct 13 ms 5852 KB Output is correct
17 Correct 14 ms 6108 KB Output is correct
18 Correct 12 ms 5724 KB Output is correct
19 Correct 13 ms 5880 KB Output is correct
20 Correct 1117 ms 96180 KB Output is correct
21 Correct 1082 ms 95968 KB Output is correct
22 Correct 1115 ms 96088 KB Output is correct
23 Correct 1086 ms 99060 KB Output is correct
24 Correct 945 ms 101880 KB Output is correct
25 Correct 945 ms 102960 KB Output is correct
26 Correct 925 ms 102520 KB Output is correct
27 Correct 701 ms 127480 KB Output is correct
28 Correct 713 ms 127612 KB Output is correct
29 Correct 696 ms 127496 KB Output is correct
30 Correct 731 ms 127272 KB Output is correct
31 Correct 825 ms 123000 KB Output is correct
32 Correct 732 ms 127368 KB Output is correct
33 Correct 689 ms 89252 KB Output is correct
34 Correct 647 ms 83616 KB Output is correct
35 Correct 682 ms 88676 KB Output is correct
36 Correct 798 ms 106488 KB Output is correct
37 Correct 785 ms 100644 KB Output is correct
38 Correct 825 ms 106160 KB Output is correct
39 Correct 1016 ms 102472 KB Output is correct
40 Correct 986 ms 102268 KB Output is correct
41 Correct 1982 ms 103160 KB Output is correct
42 Correct 1062 ms 103288 KB Output is correct
43 Correct 971 ms 102320 KB Output is correct
44 Correct 1131 ms 96480 KB Output is correct
45 Correct 1120 ms 96096 KB Output is correct
46 Correct 1361 ms 96244 KB Output is correct
47 Correct 1126 ms 95972 KB Output is correct
48 Correct 1092 ms 95984 KB Output is correct
49 Correct 750 ms 127488 KB Output is correct
50 Correct 1343 ms 127532 KB Output is correct
51 Correct 1102 ms 96212 KB Output is correct
52 Correct 1437 ms 95892 KB Output is correct
53 Correct 839 ms 106116 KB Output is correct
54 Correct 866 ms 100728 KB Output is correct
55 Correct 1761 ms 106436 KB Output is correct
56 Correct 1761 ms 101180 KB Output is correct
57 Correct 1113 ms 96480 KB Output is correct
58 Correct 1117 ms 96496 KB Output is correct
59 Correct 1480 ms 95824 KB Output is correct
60 Correct 1461 ms 96232 KB Output is correct
61 Correct 755 ms 127388 KB Output is correct
62 Correct 907 ms 106748 KB Output is correct
63 Correct 881 ms 100496 KB Output is correct
64 Correct 889 ms 127712 KB Output is correct
65 Correct 1107 ms 106128 KB Output is correct
66 Correct 1116 ms 100984 KB Output is correct
67 Correct 1016 ms 127380 KB Output is correct
68 Correct 1283 ms 106744 KB Output is correct
69 Correct 1306 ms 100040 KB Output is correct
70 Correct 695 ms 127392 KB Output is correct
71 Correct 810 ms 106360 KB Output is correct
72 Correct 818 ms 100456 KB Output is correct
73 Correct 720 ms 127480 KB Output is correct
74 Correct 842 ms 106488 KB Output is correct
75 Correct 832 ms 100724 KB Output is correct
76 Correct 742 ms 128248 KB Output is correct
77 Correct 1158 ms 127864 KB Output is correct
78 Correct 698 ms 127636 KB Output is correct
79 Correct 1095 ms 96372 KB Output is correct
80 Correct 1261 ms 96052 KB Output is correct
81 Correct 1077 ms 96004 KB Output is correct
82 Correct 790 ms 127688 KB Output is correct
83 Correct 882 ms 123752 KB Output is correct
84 Correct 1160 ms 127800 KB Output is correct
85 Correct 1308 ms 123368 KB Output is correct
86 Correct 751 ms 127744 KB Output is correct
87 Correct 845 ms 123776 KB Output is correct
88 Correct 1113 ms 96436 KB Output is correct
89 Correct 1118 ms 96232 KB Output is correct
90 Correct 1283 ms 95960 KB Output is correct
91 Correct 1283 ms 95988 KB Output is correct
92 Correct 1089 ms 96068 KB Output is correct
93 Correct 1100 ms 95768 KB Output is correct
94 Correct 764 ms 89516 KB Output is correct
95 Correct 687 ms 83196 KB Output is correct
96 Correct 1329 ms 89188 KB Output is correct
97 Correct 1312 ms 84152 KB Output is correct
98 Correct 706 ms 89776 KB Output is correct
99 Correct 651 ms 84084 KB Output is correct
100 Correct 1104 ms 99508 KB Output is correct
101 Correct 1076 ms 99448 KB Output is correct
102 Correct 1200 ms 99224 KB Output is correct
103 Correct 1197 ms 99064 KB Output is correct
104 Correct 1070 ms 99444 KB Output is correct
105 Correct 1059 ms 99272 KB Output is correct
106 Correct 855 ms 106776 KB Output is correct
107 Correct 856 ms 101264 KB Output is correct
108 Correct 1471 ms 106948 KB Output is correct
109 Correct 1514 ms 100628 KB Output is correct
110 Correct 827 ms 107384 KB Output is correct
111 Correct 821 ms 101688 KB Output is correct
112 Correct 1122 ms 96216 KB Output is correct
113 Correct 1121 ms 96496 KB Output is correct
114 Correct 1270 ms 96244 KB Output is correct
115 Correct 1293 ms 96244 KB Output is correct
116 Correct 1086 ms 96244 KB Output is correct
117 Correct 1087 ms 96116 KB Output is correct
118 Correct 689 ms 127096 KB Output is correct
119 Correct 792 ms 106232 KB Output is correct
120 Correct 789 ms 100216 KB Output is correct
121 Correct 705 ms 126988 KB Output is correct
122 Correct 798 ms 105720 KB Output is correct
123 Correct 796 ms 99776 KB Output is correct
124 Correct 872 ms 127352 KB Output is correct
125 Correct 1089 ms 106972 KB Output is correct
126 Correct 1086 ms 103096 KB Output is correct