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Submission #253461

# Submission time Handle Problem Language Result Execution time Memory
253461 2020-07-28T05:15:41 Z Markoes Wish (LMIO19_noras) C++14
100 / 100
 190 ms 11376 KB 
#include<bits/stdc++.h>

using namespace std;
int n;
long long R,a,b,c,d,l,r,mid,teng,tmp1,tmp2,opo,bwh,ats;
vector<pair<long long,long long> > v;
long long dist(long long x){
	long long ret;
	ret = (a+c*x)*(a+c*x) + (b+d*x)*(b+d*x);
	return ret;
}

int main(){
	ios_base::sync_with_stdio(NULL);
	cin.tie(0);cout.tie(0);
	cin>>n>>R;
	R *= R;
	for(int i=1;i<=n;i++){
		cin>>a>>b>>c>>d;
		c = c-a;
		d = d-b;
		a -= c;
		b -= d;
		opo = max(abs(c),abs(d));
		l = 1;
		r = 1e9/opo;
		//cout<<r<<endl;
		while(l<=r){
			mid = (l+r)/2;
			tmp1 = dist(mid);
			tmp2 = dist(mid+1);
			if(tmp1>tmp2){
				teng = mid+1;
				l = mid+1;
				//cout<<tmp2<<endl;
			}
			else{
				teng = mid;
				r = mid-1;
				//cout<<tmp1<<endl;
			}
		}
		//cout<<teng<<endl;
		if(dist(teng) > R) continue;
		l = 1;
		r = teng;
		bwh = teng;
		while(l<=r){
			mid = (l+r)/2;
			tmp1 = dist(mid);
			if(tmp1 <= R){
				bwh = mid;
				r = mid-1;
			}
			else{
				l = mid+1;
			}
		}
		
		l = teng;
		r = 1e9/opo;
		ats = teng;
		while(l<=r){
			mid = (l+r)/2;
			tmp1 = dist(mid);
			if(tmp1 <= R){
				ats = mid;
				l = mid+1;
			}
			else{
				r = mid-1;
			}
		}
		
		//cout<<bwh<<' '<<ats<<endl;
		v.push_back(make_pair(bwh,ats));
	}
	
	sort(v.begin(),v.end());
	priority_queue<long long> st;
	int ans=0,cnt;
	
	for(auto x : v){
		//cout<<x.first<<' '<<x.second<<endl;
		while(!st.empty()){
			if(-st.top() < x.first){
				st.pop();
				cnt--;
			}
			else break;
		}
		st.push(-x.second);
		cnt++;
		ans = max(ans,cnt);
	}
	cout<<ans<<endl;
}

Compilation message

noras.cpp: In function 'int main()':
noras.cpp:93:6: warning: 'cnt' may be used uninitialized in this function [-Wmaybe-uninitialized]
   cnt++;
   ~~~^~

Subtask #1
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 512 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 2 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 384 KB Output is correct

Subtask #2
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 512 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 2 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 384 KB Output is correct
23 Correct 54 ms 5228 KB Output is correct
24 Correct 71 ms 5224 KB Output is correct
25 Correct 54 ms 5228 KB Output is correct
26 Correct 65 ms 5228 KB Output is correct
27 Correct 57 ms 3824 KB Output is correct
28 Correct 56 ms 4324 KB Output is correct
29 Correct 58 ms 4328 KB Output is correct
30 Correct 58 ms 4332 KB Output is correct
31 Correct 55 ms 4328 KB Output is correct
32 Correct 86 ms 4076 KB Output is correct
33 Correct 85 ms 3948 KB Output is correct
34 Correct 85 ms 3952 KB Output is correct
35 Correct 89 ms 4068 KB Output is correct
36 Correct 90 ms 4072 KB Output is correct
37 Correct 59 ms 3696 KB Output is correct
38 Correct 58 ms 3696 KB Output is correct
39 Correct 55 ms 3440 KB Output is correct
40 Correct 59 ms 3568 KB Output is correct
41 Correct 54 ms 3440 KB Output is correct
42 Correct 58 ms 3568 KB Output is correct
43 Correct 183 ms 11360 KB Output is correct
44 Correct 190 ms 11360 KB Output is correct
45 Correct 186 ms 11360 KB Output is correct
46 Correct 188 ms 11360 KB Output is correct
47 Correct 190 ms 11376 KB Output is correct
48 Correct 182 ms 7904 KB Output is correct
49 Correct 179 ms 7892 KB Output is correct
50 Correct 177 ms 7780 KB Output is correct
51 Correct 173 ms 7764 KB Output is correct
52 Correct 175 ms 7648 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 512 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 2 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 384 KB Output is correct
23 Correct 0 ms 384 KB Output is correct
24 Correct 1 ms 384 KB Output is correct
25 Correct 2 ms 512 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 1 ms 384 KB Output is correct
28 Correct 1 ms 384 KB Output is correct

Subtask #4
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 512 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 2 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 384 KB Output is correct
23 Correct 54 ms 5228 KB Output is correct
24 Correct 71 ms 5224 KB Output is correct
25 Correct 54 ms 5228 KB Output is correct
26 Correct 65 ms 5228 KB Output is correct
27 Correct 57 ms 3824 KB Output is correct
28 Correct 56 ms 4324 KB Output is correct
29 Correct 58 ms 4328 KB Output is correct
30 Correct 58 ms 4332 KB Output is correct
31 Correct 55 ms 4328 KB Output is correct
32 Correct 86 ms 4076 KB Output is correct
33 Correct 85 ms 3948 KB Output is correct
34 Correct 85 ms 3952 KB Output is correct
35 Correct 89 ms 4068 KB Output is correct
36 Correct 90 ms 4072 KB Output is correct
37 Correct 59 ms 3696 KB Output is correct
38 Correct 58 ms 3696 KB Output is correct
39 Correct 55 ms 3440 KB Output is correct
40 Correct 59 ms 3568 KB Output is correct
41 Correct 54 ms 3440 KB Output is correct
42 Correct 58 ms 3568 KB Output is correct
43 Correct 183 ms 11360 KB Output is correct
44 Correct 190 ms 11360 KB Output is correct
45 Correct 186 ms 11360 KB Output is correct
46 Correct 188 ms 11360 KB Output is correct
47 Correct 190 ms 11376 KB Output is correct
48 Correct 182 ms 7904 KB Output is correct
49 Correct 179 ms 7892 KB Output is correct
50 Correct 177 ms 7780 KB Output is correct
51 Correct 173 ms 7764 KB Output is correct
52 Correct 175 ms 7648 KB Output is correct
53 Correct 70 ms 5100 KB Output is correct
54 Correct 55 ms 3308 KB Output is correct
55 Correct 66 ms 3540 KB Output is correct
56 Correct 57 ms 3696 KB Output is correct
57 Correct 72 ms 3312 KB Output is correct
58 Correct 69 ms 3316 KB Output is correct
59 Correct 69 ms 3312 KB Output is correct
60 Correct 72 ms 3432 KB Output is correct
61 Correct 69 ms 3312 KB Output is correct
62 Correct 92 ms 4080 KB Output is correct
63 Correct 91 ms 4032 KB Output is correct
64 Correct 91 ms 4080 KB Output is correct
65 Correct 91 ms 4080 KB Output is correct
66 Correct 93 ms 4076 KB Output is correct
67 Correct 63 ms 3568 KB Output is correct
68 Correct 63 ms 4080 KB Output is correct
69 Correct 69 ms 4208 KB Output is correct
70 Correct 60 ms 3696 KB Output is correct
71 Correct 183 ms 10592 KB Output is correct
72 Correct 178 ms 10608 KB Output is correct
73 Correct 190 ms 10712 KB Output is correct
74 Correct 178 ms 10720 KB Output is correct
75 Correct 174 ms 10596 KB Output is correct
76 Correct 178 ms 7904 KB Output is correct
77 Correct 182 ms 7852 KB Output is correct
78 Correct 181 ms 8036 KB Output is correct
79 Correct 182 ms 7784 KB Output is correct
80 Correct 182 ms 8032 KB Output is correct
81 Correct 0 ms 384 KB Output is correct
82 Correct 1 ms 384 KB Output is correct
83 Correct 2 ms 512 KB Output is correct
84 Correct 1 ms 384 KB Output is correct
85 Correct 1 ms 384 KB Output is correct
86 Correct 1 ms 384 KB Output is correct

Subtask #5
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 512 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 2 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 384 KB Output is correct
23 Correct 54 ms 5228 KB Output is correct
24 Correct 71 ms 5224 KB Output is correct
25 Correct 54 ms 5228 KB Output is correct
26 Correct 65 ms 5228 KB Output is correct
27 Correct 57 ms 3824 KB Output is correct
28 Correct 56 ms 4324 KB Output is correct
29 Correct 58 ms 4328 KB Output is correct
30 Correct 58 ms 4332 KB Output is correct
31 Correct 55 ms 4328 KB Output is correct
32 Correct 86 ms 4076 KB Output is correct
33 Correct 85 ms 3948 KB Output is correct
34 Correct 85 ms 3952 KB Output is correct
35 Correct 89 ms 4068 KB Output is correct
36 Correct 90 ms 4072 KB Output is correct
37 Correct 59 ms 3696 KB Output is correct
38 Correct 58 ms 3696 KB Output is correct
39 Correct 55 ms 3440 KB Output is correct
40 Correct 59 ms 3568 KB Output is correct
41 Correct 54 ms 3440 KB Output is correct
42 Correct 58 ms 3568 KB Output is correct
43 Correct 183 ms 11360 KB Output is correct
44 Correct 190 ms 11360 KB Output is correct
45 Correct 186 ms 11360 KB Output is correct
46 Correct 188 ms 11360 KB Output is correct
47 Correct 190 ms 11376 KB Output is correct
48 Correct 182 ms 7904 KB Output is correct
49 Correct 179 ms 7892 KB Output is correct
50 Correct 177 ms 7780 KB Output is correct
51 Correct 173 ms 7764 KB Output is correct
52 Correct 175 ms 7648 KB Output is correct
53 Correct 70 ms 5100 KB Output is correct
54 Correct 55 ms 3308 KB Output is correct
55 Correct 66 ms 3540 KB Output is correct
56 Correct 57 ms 3696 KB Output is correct
57 Correct 72 ms 3312 KB Output is correct
58 Correct 69 ms 3316 KB Output is correct
59 Correct 69 ms 3312 KB Output is correct
60 Correct 72 ms 3432 KB Output is correct
61 Correct 69 ms 3312 KB Output is correct
62 Correct 92 ms 4080 KB Output is correct
63 Correct 91 ms 4032 KB Output is correct
64 Correct 91 ms 4080 KB Output is correct
65 Correct 91 ms 4080 KB Output is correct
66 Correct 93 ms 4076 KB Output is correct
67 Correct 63 ms 3568 KB Output is correct
68 Correct 63 ms 4080 KB Output is correct
69 Correct 69 ms 4208 KB Output is correct
70 Correct 60 ms 3696 KB Output is correct
71 Correct 183 ms 10592 KB Output is correct
72 Correct 178 ms 10608 KB Output is correct
73 Correct 190 ms 10712 KB Output is correct
74 Correct 178 ms 10720 KB Output is correct
75 Correct 174 ms 10596 KB Output is correct
76 Correct 178 ms 7904 KB Output is correct
77 Correct 182 ms 7852 KB Output is correct
78 Correct 181 ms 8036 KB Output is correct
79 Correct 182 ms 7784 KB Output is correct
80 Correct 182 ms 8032 KB Output is correct
81 Correct 97 ms 4852 KB Output is correct
82 Correct 91 ms 4976 KB Output is correct
83 Correct 91 ms 4848 KB Output is correct
84 Correct 90 ms 4848 KB Output is correct
85 Correct 91 ms 4972 KB Output is correct
86 Correct 100 ms 4848 KB Output is correct
87 Correct 99 ms 4848 KB Output is correct
88 Correct 102 ms 4956 KB Output is correct
89 Correct 104 ms 4820 KB Output is correct
90 Correct 105 ms 4948 KB Output is correct
91 Correct 58 ms 6056 KB Output is correct
92 Correct 55 ms 5992 KB Output is correct
93 Correct 57 ms 5996 KB Output is correct
94 Correct 58 ms 5964 KB Output is correct
95 Correct 56 ms 5992 KB Output is correct
96 Correct 71 ms 5992 KB Output is correct
97 Correct 57 ms 5996 KB Output is correct
98 Correct 61 ms 5992 KB Output is correct
99 Correct 59 ms 5996 KB Output is correct
100 Correct 57 ms 5996 KB Output is correct
101 Correct 0 ms 384 KB Output is correct
102 Correct 1 ms 384 KB Output is correct
103 Correct 2 ms 512 KB Output is correct
104 Correct 1 ms 384 KB Output is correct
105 Correct 1 ms 384 KB Output is correct
106 Correct 1 ms 384 KB Output is correct