oj.uz

Submission #21132

# Submission time Handle Problem Language Result Execution time Memory
21132 2017-04-05T02:45:50 Z khsoo01 Abduction 2 (JOI17_abduction2) C++11
44 / 100
 5000 ms 15960 KB 
#include<bits/stdc++.h>
#define f first
#define s second
using namespace std;
typedef long long ll;
ll h, w, q, a[100005], inv[100005];
ll vis[100005];

set<ll> s;
priority_queue<pair<ll, pair<ll, ll> > > pq[100005];
vector<pair<ll,ll> > ord;

void solve () {
	ll X, Y, ret = 0;
	scanf("%lld%lld",&X,&Y);
	Y += h;
	pq[inv[X]].push({0, {X, Y}});
	pq[inv[Y]].push({0, {Y, X}});
	for(int i=1;i<=h+w;i++) {
		s.insert(i);
		vis[i] = 0;
	}
	for(int i=0;i<h+w;i++) {
		while(!pq[i].empty()) {
			pair<ll,ll> st = pq[i].top().second;
			ll val = pq[i].top().first;
			pq[i].pop();
			if(vis[st.s] == i+1) continue;
			vis[st.s] = i+1;
			ret = max(ret, val);
			auto nxt = s.upper_bound(st.s);
			auto prv = s.lower_bound(st.s);
			bool f1 = (nxt != s.end() && (*nxt <= h) == (st.s <= h));
			bool f2 = (prv != s.begin() && (*(--prv) <= h) == (st.s <= h));
			if(!f1) ret = max(ret, val + (st.s <= h ? h : h + w) - st.s);
			else pq[inv[*nxt]].push({val + (*nxt) - st.s, {*nxt, st.f}});
			if(!f2) ret = max(ret, val + st.s - (st.s <= h ? 1 : h+1));
			else pq[inv[*prv]].push({val + st.s - (*prv), {*prv, st.f}});
		}
		s.erase(ord[i].second);
	}
	printf("%lld\n",ret);
}

int main()
{
	scanf("%lld%lld%lld",&h,&w,&q);
	for(int i=1;i<=h+w;i++) {
		scanf("%lld",&a[i]);
		ord.push_back({a[i], i});
	}
	sort(ord.begin(), ord.end());
	for(int i=0;i<h+w;i++) {
		inv[ord[i].second] = i;
	}
	while(q--) solve();
}

Compilation message

abduction2.cpp: In function 'void solve()':
abduction2.cpp:15:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld%lld",&X,&Y);
                         ^
abduction2.cpp: In function 'int main()':
abduction2.cpp:47:32: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld%lld%lld",&h,&w,&q);
                                ^
abduction2.cpp:49:22: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld",&a[i]);
                      ^

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 7496 KB Output is correct
2 Correct 0 ms 7496 KB Output is correct
3 Correct 0 ms 7496 KB Output is correct
4 Correct 0 ms 7496 KB Output is correct
5 Correct 0 ms 7496 KB Output is correct
6 Correct 0 ms 7496 KB Output is correct
7 Correct 0 ms 7496 KB Output is correct
8 Correct 0 ms 7496 KB Output is correct
9 Correct 0 ms 7496 KB Output is correct
10 Correct 0 ms 7496 KB Output is correct
11 Correct 0 ms 7496 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 7496 KB Output is correct
2 Correct 0 ms 7496 KB Output is correct
3 Correct 0 ms 7496 KB Output is correct
4 Correct 0 ms 7496 KB Output is correct
5 Correct 0 ms 7496 KB Output is correct
6 Correct 0 ms 7496 KB Output is correct
7 Correct 0 ms 7496 KB Output is correct
8 Correct 0 ms 7496 KB Output is correct
9 Correct 0 ms 7496 KB Output is correct
10 Correct 0 ms 7496 KB Output is correct
11 Correct 0 ms 7496 KB Output is correct
12 Correct 3 ms 7768 KB Output is correct
13 Correct 3 ms 7768 KB Output is correct
14 Correct 0 ms 7768 KB Output is correct
15 Correct 3 ms 7768 KB Output is correct
16 Correct 6 ms 7768 KB Output is correct
17 Correct 3 ms 7768 KB Output is correct
18 Correct 0 ms 7768 KB Output is correct
19 Correct 0 ms 7768 KB Output is correct
20 Correct 3 ms 7768 KB Output is correct
21 Correct 3 ms 7768 KB Output is correct
22 Correct 0 ms 7900 KB Output is correct

Subtask #3
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 7496 KB Output is correct
2 Correct 0 ms 7496 KB Output is correct
3 Correct 0 ms 7496 KB Output is correct
4 Correct 0 ms 7496 KB Output is correct
5 Correct 0 ms 7496 KB Output is correct
6 Correct 0 ms 7496 KB Output is correct
7 Correct 0 ms 7496 KB Output is correct
8 Correct 0 ms 7496 KB Output is correct
9 Correct 0 ms 7496 KB Output is correct
10 Correct 0 ms 7496 KB Output is correct
11 Correct 0 ms 7496 KB Output is correct
12 Correct 3 ms 7768 KB Output is correct
13 Correct 3 ms 7768 KB Output is correct
14 Correct 0 ms 7768 KB Output is correct
15 Correct 3 ms 7768 KB Output is correct
16 Correct 6 ms 7768 KB Output is correct
17 Correct 3 ms 7768 KB Output is correct
18 Correct 0 ms 7768 KB Output is correct
19 Correct 0 ms 7768 KB Output is correct
20 Correct 3 ms 7768 KB Output is correct
21 Correct 3 ms 7768 KB Output is correct
22 Correct 0 ms 7900 KB Output is correct
23 Correct 119 ms 14244 KB Output is correct
24 Correct 109 ms 14244 KB Output is correct
25 Correct 109 ms 14244 KB Output is correct
26 Correct 103 ms 14244 KB Output is correct
27 Correct 109 ms 14244 KB Output is correct
28 Correct 73 ms 14244 KB Output is correct
29 Correct 69 ms 14244 KB Output is correct
30 Correct 93 ms 14508 KB Output is correct
31 Correct 89 ms 15960 KB Output is correct
32 Correct 66 ms 14244 KB Output is correct
33 Correct 63 ms 14244 KB Output is correct

Subtask #4
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 99 ms 7900 KB Output is correct
2 Correct 96 ms 7900 KB Output is correct
3 Correct 93 ms 7900 KB Output is correct
4 Correct 96 ms 7900 KB Output is correct
5 Correct 93 ms 7900 KB Output is correct
6 Correct 66 ms 7900 KB Output is correct
7 Correct 63 ms 7900 KB Output is correct
8 Correct 93 ms 8164 KB Output is correct
9 Correct 96 ms 8164 KB Output is correct
10 Correct 96 ms 8164 KB Output is correct
11 Correct 93 ms 8164 KB Output is correct

Subtask #5
0 / 56.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 7496 KB Output is correct
2 Correct 0 ms 7496 KB Output is correct
3 Correct 0 ms 7496 KB Output is correct
4 Correct 0 ms 7496 KB Output is correct
5 Correct 0 ms 7496 KB Output is correct
6 Correct 0 ms 7496 KB Output is correct
7 Correct 0 ms 7496 KB Output is correct
8 Correct 0 ms 7496 KB Output is correct
9 Correct 0 ms 7496 KB Output is correct
10 Correct 0 ms 7496 KB Output is correct
11 Correct 0 ms 7496 KB Output is correct
12 Correct 3 ms 7768 KB Output is correct
13 Correct 3 ms 7768 KB Output is correct
14 Correct 0 ms 7768 KB Output is correct
15 Correct 3 ms 7768 KB Output is correct
16 Correct 6 ms 7768 KB Output is correct
17 Correct 3 ms 7768 KB Output is correct
18 Correct 0 ms 7768 KB Output is correct
19 Correct 0 ms 7768 KB Output is correct
20 Correct 3 ms 7768 KB Output is correct
21 Correct 3 ms 7768 KB Output is correct
22 Correct 0 ms 7900 KB Output is correct
23 Correct 119 ms 14244 KB Output is correct
24 Correct 109 ms 14244 KB Output is correct
25 Correct 109 ms 14244 KB Output is correct
26 Correct 103 ms 14244 KB Output is correct
27 Correct 109 ms 14244 KB Output is correct
28 Correct 73 ms 14244 KB Output is correct
29 Correct 69 ms 14244 KB Output is correct
30 Correct 93 ms 14508 KB Output is correct
31 Correct 89 ms 15960 KB Output is correct
32 Correct 66 ms 14244 KB Output is correct
33 Correct 63 ms 14244 KB Output is correct
34 Correct 99 ms 7900 KB Output is correct
35 Correct 96 ms 7900 KB Output is correct
36 Correct 93 ms 7900 KB Output is correct
37 Correct 96 ms 7900 KB Output is correct
38 Correct 93 ms 7900 KB Output is correct
39 Correct 66 ms 7900 KB Output is correct
40 Correct 63 ms 7900 KB Output is correct
41 Correct 93 ms 8164 KB Output is correct
42 Correct 96 ms 8164 KB Output is correct
43 Correct 96 ms 8164 KB Output is correct
44 Correct 93 ms 8164 KB Output is correct
45 Execution timed out 5000 ms 14376 KB Execution timed out
46 Halted 0 ms 0 KB -