oj.uz

Submission #744292

# Submission time Handle Problem Language Result Execution time Memory
744292 2023-05-18T10:35:23 Z m_abv Bitaro’s Party (JOI18_bitaro) C++14
100 / 100
 727 ms 260628 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;

#define f first
#define s second
#define pb push_back
#define pf push_front
#define mp make_pair
#define sz(x) (int)x.size()
//#define int ll

const int N = 1e5+10, X = 320, INF = 1e9; 
int n, m, q;
pii tp[N][X], hld[X];
int dp[N], ban[X];
vi g[N];
bool use[N];

void caltp() {
	for(int i = 1; i <= n; i++) {
		tp[i][0] = mp(0, i);
		for(int j : g[i]) {
			int it = 0,
				l = 0,
				r = 0,
				d, c;
			while(it < X) {
				if((l>=X || tp[i][l].f<0) && (r>=X || tp[j][r].f<0))
					break;
				if((r>=X || tp[j][r].f<0) || ((l<X) && tp[i][l].f >= tp[j][r].f+1)) {
					d = tp[i][l].f;
					c = tp[i][l++].s;
				}
				else {
					d = tp[j][r].f+1;
					c = tp[j][r++].s;
				}
				if(!use[c]) {
					hld[it++] = mp(d, c);
					use[c] = 1;
				}
			}
			for(int k = 0; k < it; k++) {
				tp[i][k] = hld[k];
				use[hld[k].s] = 0;
			}
		}
	}
}

int32_t main() {
	ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	cin >> n >> m >> q;
	for(int i = 1; i <= n; i++)
		for(int j = 0; j < X; j++)
			tp[i][j] = mp(-INF, -INF);
	for(int i = 0; i < m; i++) {
		int v, u;
		cin >> v >> u;
		g[u].pb(v);
	}
	caltp();
	while(q--) {
		int t, y;
		cin >> t >> y;
		if(y < X) {
			for(int i = 0; i < y; i++) {
				cin >> ban[i];
				use[ban[i]] = 1;
			}
			int flag = -1;
			for(int i = 0; i < X && (flag==-1); i++) {
				if(tp[t][i].f < 0)
					break;
				if(!use[tp[t][i].s]) {
					flag = tp[t][i].f;
					break;
				}
			}
			cout << flag << endl;
			for(int i = 0; i < y; i++)
				use[ban[i]] = 0;
		}
		else {
			memset(dp, 0, sizeof dp);
			for(int i = 0; i < y; i++) {
				int x; cin >> x;
				dp[x] = -1;
			}
			for(int i = 1; i <= t; i++)
				for(int j :g[i])
					if(dp[j] != -1)
						dp[i] = max(dp[i], dp[j]+1);
			cout << dp[t] << endl;
		}
	}
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 5 ms 5588 KB Output is correct
6 Correct 6 ms 5588 KB Output is correct
7 Correct 5 ms 5588 KB Output is correct
8 Correct 7 ms 5588 KB Output is correct
9 Correct 8 ms 5640 KB Output is correct
10 Correct 9 ms 5588 KB Output is correct
11 Correct 9 ms 5644 KB Output is correct
12 Correct 6 ms 5588 KB Output is correct
13 Correct 8 ms 5632 KB Output is correct
14 Correct 7 ms 5508 KB Output is correct
15 Correct 6 ms 5716 KB Output is correct
16 Correct 7 ms 5624 KB Output is correct
17 Correct 6 ms 5588 KB Output is correct
18 Correct 5 ms 5716 KB Output is correct
19 Correct 7 ms 5516 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 5 ms 5588 KB Output is correct
6 Correct 6 ms 5588 KB Output is correct
7 Correct 5 ms 5588 KB Output is correct
8 Correct 7 ms 5588 KB Output is correct
9 Correct 8 ms 5640 KB Output is correct
10 Correct 9 ms 5588 KB Output is correct
11 Correct 9 ms 5644 KB Output is correct
12 Correct 6 ms 5588 KB Output is correct
13 Correct 8 ms 5632 KB Output is correct
14 Correct 7 ms 5508 KB Output is correct
15 Correct 6 ms 5716 KB Output is correct
16 Correct 7 ms 5624 KB Output is correct
17 Correct 6 ms 5588 KB Output is correct
18 Correct 5 ms 5716 KB Output is correct
19 Correct 7 ms 5516 KB Output is correct
20 Correct 552 ms 8340 KB Output is correct
21 Correct 448 ms 8336 KB Output is correct
22 Correct 533 ms 8364 KB Output is correct
23 Correct 541 ms 8256 KB Output is correct
24 Correct 548 ms 259044 KB Output is correct
25 Correct 573 ms 259160 KB Output is correct
26 Correct 566 ms 258872 KB Output is correct
27 Correct 563 ms 259312 KB Output is correct
28 Correct 561 ms 259360 KB Output is correct
29 Correct 561 ms 259308 KB Output is correct
30 Correct 554 ms 259404 KB Output is correct
31 Correct 568 ms 259412 KB Output is correct
32 Correct 581 ms 259244 KB Output is correct
33 Correct 475 ms 259004 KB Output is correct
34 Correct 449 ms 258828 KB Output is correct
35 Correct 478 ms 258892 KB Output is correct
36 Correct 532 ms 259020 KB Output is correct
37 Correct 519 ms 259036 KB Output is correct
38 Correct 529 ms 258904 KB Output is correct

Subtask #3
86.0 / 86.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 5 ms 5588 KB Output is correct
6 Correct 6 ms 5588 KB Output is correct
7 Correct 5 ms 5588 KB Output is correct
8 Correct 7 ms 5588 KB Output is correct
9 Correct 8 ms 5640 KB Output is correct
10 Correct 9 ms 5588 KB Output is correct
11 Correct 9 ms 5644 KB Output is correct
12 Correct 6 ms 5588 KB Output is correct
13 Correct 8 ms 5632 KB Output is correct
14 Correct 7 ms 5508 KB Output is correct
15 Correct 6 ms 5716 KB Output is correct
16 Correct 7 ms 5624 KB Output is correct
17 Correct 6 ms 5588 KB Output is correct
18 Correct 5 ms 5716 KB Output is correct
19 Correct 7 ms 5516 KB Output is correct
20 Correct 552 ms 8340 KB Output is correct
21 Correct 448 ms 8336 KB Output is correct
22 Correct 533 ms 8364 KB Output is correct
23 Correct 541 ms 8256 KB Output is correct
24 Correct 548 ms 259044 KB Output is correct
25 Correct 573 ms 259160 KB Output is correct
26 Correct 566 ms 258872 KB Output is correct
27 Correct 563 ms 259312 KB Output is correct
28 Correct 561 ms 259360 KB Output is correct
29 Correct 561 ms 259308 KB Output is correct
30 Correct 554 ms 259404 KB Output is correct
31 Correct 568 ms 259412 KB Output is correct
32 Correct 581 ms 259244 KB Output is correct
33 Correct 475 ms 259004 KB Output is correct
34 Correct 449 ms 258828 KB Output is correct
35 Correct 478 ms 258892 KB Output is correct
36 Correct 532 ms 259020 KB Output is correct
37 Correct 519 ms 259036 KB Output is correct
38 Correct 529 ms 258904 KB Output is correct
39 Correct 692 ms 259860 KB Output is correct
40 Correct 563 ms 259156 KB Output is correct
41 Correct 557 ms 258836 KB Output is correct
42 Correct 605 ms 259228 KB Output is correct
43 Correct 558 ms 259276 KB Output is correct
44 Correct 660 ms 9188 KB Output is correct
45 Correct 539 ms 8348 KB Output is correct
46 Correct 527 ms 8248 KB Output is correct
47 Correct 548 ms 8556 KB Output is correct
48 Correct 533 ms 8332 KB Output is correct
49 Correct 705 ms 260168 KB Output is correct
50 Correct 564 ms 258892 KB Output is correct
51 Correct 567 ms 9036 KB Output is correct
52 Correct 435 ms 8208 KB Output is correct
53 Correct 697 ms 259608 KB Output is correct
54 Correct 659 ms 259592 KB Output is correct
55 Correct 540 ms 258776 KB Output is correct
56 Correct 523 ms 258516 KB Output is correct
57 Correct 643 ms 9020 KB Output is correct
58 Correct 674 ms 9044 KB Output is correct
59 Correct 513 ms 8348 KB Output is correct
60 Correct 538 ms 8152 KB Output is correct
61 Correct 635 ms 259420 KB Output is correct
62 Correct 596 ms 259208 KB Output is correct
63 Correct 572 ms 258984 KB Output is correct
64 Correct 696 ms 259324 KB Output is correct
65 Correct 656 ms 259000 KB Output is correct
66 Correct 652 ms 259196 KB Output is correct
67 Correct 565 ms 258920 KB Output is correct
68 Correct 539 ms 258708 KB Output is correct
69 Correct 537 ms 258776 KB Output is correct
70 Correct 561 ms 259504 KB Output is correct
71 Correct 545 ms 259276 KB Output is correct
72 Correct 543 ms 259172 KB Output is correct
73 Correct 584 ms 259652 KB Output is correct
74 Correct 544 ms 259096 KB Output is correct
75 Correct 550 ms 259112 KB Output is correct
76 Correct 701 ms 260592 KB Output is correct
77 Correct 593 ms 259388 KB Output is correct
78 Correct 565 ms 259608 KB Output is correct
79 Correct 558 ms 9208 KB Output is correct
80 Correct 431 ms 8236 KB Output is correct
81 Correct 424 ms 8336 KB Output is correct
82 Correct 727 ms 260628 KB Output is correct
83 Correct 717 ms 260464 KB Output is correct
84 Correct 568 ms 259276 KB Output is correct
85 Correct 568 ms 259324 KB Output is correct
86 Correct 566 ms 259560 KB Output is correct
87 Correct 568 ms 259624 KB Output is correct
88 Correct 648 ms 9208 KB Output is correct
89 Correct 668 ms 9168 KB Output is correct
90 Correct 514 ms 8240 KB Output is correct
91 Correct 557 ms 8208 KB Output is correct
92 Correct 525 ms 8396 KB Output is correct
93 Correct 526 ms 8368 KB Output is correct
94 Correct 623 ms 260300 KB Output is correct
95 Correct 596 ms 259784 KB Output is correct
96 Correct 493 ms 258896 KB Output is correct
97 Correct 471 ms 258812 KB Output is correct
98 Correct 498 ms 259256 KB Output is correct
99 Correct 464 ms 259344 KB Output is correct
100 Correct 701 ms 9356 KB Output is correct
101 Correct 657 ms 9292 KB Output is correct
102 Correct 544 ms 8396 KB Output is correct
103 Correct 577 ms 8336 KB Output is correct
104 Correct 564 ms 8368 KB Output is correct
105 Correct 565 ms 8376 KB Output is correct
106 Correct 684 ms 260044 KB Output is correct
107 Correct 658 ms 259876 KB Output is correct
108 Correct 545 ms 258892 KB Output is correct
109 Correct 537 ms 258812 KB Output is correct
110 Correct 547 ms 259352 KB Output is correct
111 Correct 529 ms 259260 KB Output is correct
112 Correct 645 ms 9288 KB Output is correct
113 Correct 683 ms 9240 KB Output is correct
114 Correct 524 ms 8228 KB Output is correct
115 Correct 541 ms 8276 KB Output is correct
116 Correct 541 ms 8344 KB Output is correct
117 Correct 527 ms 8396 KB Output is correct
118 Correct 569 ms 258956 KB Output is correct
119 Correct 550 ms 258692 KB Output is correct
120 Correct 532 ms 258576 KB Output is correct
121 Correct 565 ms 258988 KB Output is correct
122 Correct 550 ms 258764 KB Output is correct
123 Correct 541 ms 258796 KB Output is correct
124 Correct 573 ms 258920 KB Output is correct
125 Correct 549 ms 258636 KB Output is correct
126 Correct 547 ms 258824 KB Output is correct