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Submission #59464

# Submission time Handle Problem Language Result Execution time Memory
59464 2018-07-22T06:00:31 Z tmwilliamlin168 Bitaro’s Party (JOI18_bitaro) C++14
14 / 100
 2000 ms 23232 KB 
#include <bits/stdc++.h>
using namespace std;

#define pii pair<int, int>
#define fi first
#define se second

inline int in() {
	int result = 0;
	char ch = getchar_unlocked();
	while(true) {
		if(ch >= '0' && ch <= '9')
			break;
		ch = getchar_unlocked();
	}
	result = ch-'0';
	while(true) {
		ch = getchar_unlocked();
		if (ch < '0' || ch > '9')
			break;
		result = result*10 + (ch - '0');
	}
	return result;
}
inline void out(int x) {
	if(!x) {
		putchar_unlocked('0');
		return;
	}
	if(x<0) {
		putchar_unlocked('-');
		x=-x;
	}
	int rev=x, c=0;
	while(!(rev%10)) {
		++c;
		rev/=10;
	}
	rev=0;
	while(x) {
		rev=rev*10+x%10;
		x/=10;
	}
	while(rev) {
		putchar_unlocked(rev%10+'0');
		rev/=10;
	}
	while(c--)
		putchar_unlocked('0');
}

const int mxN=1e5, bs=10;
int n, m, q, dp2[mxN], c[mxN];
vector<int> adj[mxN];
vector<pii> dp1[mxN];
priority_queue<pii, vector<pii>, greater<pii>> pq;
bool a[mxN];

int main() {
	n=in(), m=in(), q=in();
	while(m--) {
		int u=in()-1, v=in()-1;
		adj[v].push_back(u);
	}
	for(int i=0; i<n; ++i) {
		pq.push({0, i});
		for(int v : adj[i]) {
			for(pii p : dp1[v]) {
				pq.push({p.fi+1, p.se});
				if(pq.size()>bs)
					pq.pop();
			}
		}
		while(!pq.empty()) {
			dp1[i].push_back(pq.top());
			pq.pop();
		}
	}
	while(q--) {
		int t=in()-1, y=in(), ans=-1;
		for(int i=0; i<y; ++i) {
			c[i]=in()-1;
			a[c[i]]=1;
		}
		if(y>bs) {
			memset(dp2, -1, 4*(t+1));
			for(int i=0; i<=t; ++i) {
				dp2[i]=a[i]?-n:0;
				for(int v : adj[i])
					dp2[i]=max(dp2[v]+1, dp2[i]);
			}
			ans=max(dp2[t], ans);
		} else {
			for(int i=dp1[t].size()-1; i>=0; --i) {
				if(a[dp1[t][i].se])
					continue;
				ans=dp1[t][i].fi;
				break;
			}
		}
		for(int i=0; i<y; ++i)
			a[c[i]]=0;
		out(ans);
		putchar_unlocked('\n');
	}
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 4984 KB Output is correct
2 Correct 7 ms 5236 KB Output is correct
3 Correct 7 ms 5236 KB Output is correct
4 Correct 7 ms 5236 KB Output is correct
5 Correct 9 ms 5336 KB Output is correct
6 Correct 9 ms 5336 KB Output is correct
7 Correct 8 ms 5336 KB Output is correct
8 Correct 8 ms 5384 KB Output is correct
9 Correct 8 ms 5500 KB Output is correct
10 Correct 0 ms 5500 KB Output is correct
11 Correct 10 ms 5500 KB Output is correct
12 Correct 8 ms 5500 KB Output is correct
13 Correct 8 ms 5500 KB Output is correct
14 Correct 8 ms 5500 KB Output is correct
15 Correct 8 ms 5500 KB Output is correct
16 Correct 9 ms 5500 KB Output is correct
17 Correct 10 ms 5500 KB Output is correct
18 Correct 9 ms 5500 KB Output is correct
19 Correct 8 ms 5500 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 4984 KB Output is correct
2 Correct 7 ms 5236 KB Output is correct
3 Correct 7 ms 5236 KB Output is correct
4 Correct 7 ms 5236 KB Output is correct
5 Correct 9 ms 5336 KB Output is correct
6 Correct 9 ms 5336 KB Output is correct
7 Correct 8 ms 5336 KB Output is correct
8 Correct 8 ms 5384 KB Output is correct
9 Correct 8 ms 5500 KB Output is correct
10 Correct 0 ms 5500 KB Output is correct
11 Correct 10 ms 5500 KB Output is correct
12 Correct 8 ms 5500 KB Output is correct
13 Correct 8 ms 5500 KB Output is correct
14 Correct 8 ms 5500 KB Output is correct
15 Correct 8 ms 5500 KB Output is correct
16 Correct 9 ms 5500 KB Output is correct
17 Correct 10 ms 5500 KB Output is correct
18 Correct 9 ms 5500 KB Output is correct
19 Correct 8 ms 5500 KB Output is correct
20 Correct 89 ms 6536 KB Output is correct
21 Correct 81 ms 6536 KB Output is correct
22 Correct 84 ms 6568 KB Output is correct
23 Correct 85 ms 6568 KB Output is correct
24 Correct 198 ms 20604 KB Output is correct
25 Correct 204 ms 20620 KB Output is correct
26 Correct 176 ms 20620 KB Output is correct
27 Correct 179 ms 23096 KB Output is correct
28 Correct 174 ms 23232 KB Output is correct
29 Correct 177 ms 23232 KB Output is correct
30 Correct 185 ms 23232 KB Output is correct
31 Correct 180 ms 23232 KB Output is correct
32 Correct 167 ms 23232 KB Output is correct
33 Correct 152 ms 23232 KB Output is correct
34 Correct 180 ms 23232 KB Output is correct
35 Correct 155 ms 23232 KB Output is correct
36 Correct 163 ms 23232 KB Output is correct
37 Correct 182 ms 23232 KB Output is correct
38 Correct 160 ms 23232 KB Output is correct

Subtask #3
0 / 86.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 4984 KB Output is correct
2 Correct 7 ms 5236 KB Output is correct
3 Correct 7 ms 5236 KB Output is correct
4 Correct 7 ms 5236 KB Output is correct
5 Correct 9 ms 5336 KB Output is correct
6 Correct 9 ms 5336 KB Output is correct
7 Correct 8 ms 5336 KB Output is correct
8 Correct 8 ms 5384 KB Output is correct
9 Correct 8 ms 5500 KB Output is correct
10 Correct 0 ms 5500 KB Output is correct
11 Correct 10 ms 5500 KB Output is correct
12 Correct 8 ms 5500 KB Output is correct
13 Correct 8 ms 5500 KB Output is correct
14 Correct 8 ms 5500 KB Output is correct
15 Correct 8 ms 5500 KB Output is correct
16 Correct 9 ms 5500 KB Output is correct
17 Correct 10 ms 5500 KB Output is correct
18 Correct 9 ms 5500 KB Output is correct
19 Correct 8 ms 5500 KB Output is correct
20 Correct 89 ms 6536 KB Output is correct
21 Correct 81 ms 6536 KB Output is correct
22 Correct 84 ms 6568 KB Output is correct
23 Correct 85 ms 6568 KB Output is correct
24 Correct 198 ms 20604 KB Output is correct
25 Correct 204 ms 20620 KB Output is correct
26 Correct 176 ms 20620 KB Output is correct
27 Correct 179 ms 23096 KB Output is correct
28 Correct 174 ms 23232 KB Output is correct
29 Correct 177 ms 23232 KB Output is correct
30 Correct 185 ms 23232 KB Output is correct
31 Correct 180 ms 23232 KB Output is correct
32 Correct 167 ms 23232 KB Output is correct
33 Correct 152 ms 23232 KB Output is correct
34 Correct 180 ms 23232 KB Output is correct
35 Correct 155 ms 23232 KB Output is correct
36 Correct 163 ms 23232 KB Output is correct
37 Correct 182 ms 23232 KB Output is correct
38 Correct 160 ms 23232 KB Output is correct
39 Correct 226 ms 23232 KB Output is correct
40 Execution timed out 2083 ms 23232 KB Time limit exceeded
41 Halted 0 ms 0 KB -