oj.uz

Submission #1045439

# Submission time Handle Problem Language Result Execution time Memory
1045439 2024-08-06T01:04:30 Z Darren0724 Portal (BOI24_portal) C++17
65 / 100
 1210 ms 4572 KB 
#pragma GCC optimize("Ofast","O3","unroll-loops")
#pragma GCC target("avx","avx2")
#include<bits/stdc++.h>
using namespace std;
#define x first
#define y second
#define int long long
#define all(x) x.begin(),x.end()
#define pii pair<int,int>
#define rz resize
#define pb emplace_back
#define LCBorz ios_base::sync_with_stdio(false);cin.tie(0);
#define endl '\n'
mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());

const int INF=9e18;
const int mod=1e9+7;
const int N=200005;
const int K=20;
const int C=2000005;

int gcd(int a,int b){
    return abs(__gcd(a,b));
}

 
int32_t main(){
    LCBorz;
    int n;cin>>n;
    if(n<=2){
        cout<<-1<<endl;
        return 0;
    }
    vector<pair<int,int>> v(n),v1(n);
    for(int i=0;i<n;i++){
        int a,b;cin>>a>>b;
        v[i]={a,b};
    }
    sort(all(v));
    for(int i=1;i<n;i++){
        v[i].x-=v[0].x;
        v[i].y-=v[0].y;
    }
    int ans=-1;
    auto solve=[&](int i,int j)->void {
        int r1=v[j].y/gcd(v[i].y,v[j].y);
        int t=v[i].y*r1;
        int t1=t/v[j].y;
        int x1=abs(v[i].x*r1-v[j].x*t1);
        if(x1!=0)ans=(ans==-1?x1:gcd(ans,x1));
    };
    vector<int> t;
    for(int i=1;i<n;i++){
        if(v[i].y==0){
            ans=(ans==-1?v[i].x:gcd(v[i].x,ans));
            continue;
        }
        t.push_back(i);
    }
    int sz=t.size();
    if(sz==0){
        cout<<-1<<endl;
        return 0;
    }
    int times=0;
    for(int i=0;i<sz&&times<=(2.5e7);i++){
        for(int j=i+1;j<sz&&times<=(2.5e7);j++){
            times++;
            solve(t[i],t[j]);
        }
    }
    int g1=-1;
    for(int i=1;i<n;i++){
        if(v[i].y==0)continue;
        g1=(g1==-1?abs(v[i].y):gcd(g1,v[i].y));
    }
    //cout<<ans<<' '<<g1<<endl;
    cout<<(ans==-1?-1:ans*g1)<<endl;
    return 0;
}

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 392 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 536 ms 4572 KB Output is correct
3 Correct 534 ms 4572 KB Output is correct
4 Correct 517 ms 4568 KB Output is correct
5 Correct 554 ms 4572 KB Output is correct
6 Correct 567 ms 4568 KB Output is correct
7 Correct 16 ms 3604 KB Output is correct
8 Correct 16 ms 3548 KB Output is correct
9 Correct 16 ms 3420 KB Output is correct
10 Correct 764 ms 4572 KB Output is correct
11 Correct 264 ms 4064 KB Output is correct
12 Correct 263 ms 4064 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 826 ms 4568 KB Output is correct
15 Correct 767 ms 4572 KB Output is correct
16 Correct 532 ms 4572 KB Output is correct
17 Correct 680 ms 4572 KB Output is correct
18 Correct 561 ms 4568 KB Output is correct
19 Correct 541 ms 4560 KB Output is correct
20 Correct 541 ms 4572 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct

Subtask #5
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 392 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 344 KB Output is correct
46 Correct 0 ms 344 KB Output is correct
47 Correct 1 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 344 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 0 ms 348 KB Output is correct
57 Correct 0 ms 348 KB Output is correct
58 Correct 0 ms 348 KB Output is correct
59 Correct 0 ms 348 KB Output is correct
60 Correct 0 ms 348 KB Output is correct
61 Correct 0 ms 348 KB Output is correct
62 Correct 0 ms 344 KB Output is correct
63 Correct 0 ms 348 KB Output is correct
64 Correct 0 ms 348 KB Output is correct
65 Correct 0 ms 348 KB Output is correct
66 Correct 0 ms 348 KB Output is correct
67 Correct 0 ms 348 KB Output is correct
68 Correct 0 ms 348 KB Output is correct
69 Correct 0 ms 348 KB Output is correct
70 Correct 0 ms 348 KB Output is correct
71 Correct 0 ms 348 KB Output is correct
72 Correct 0 ms 348 KB Output is correct
73 Correct 0 ms 348 KB Output is correct
74 Correct 0 ms 348 KB Output is correct
75 Correct 0 ms 348 KB Output is correct
76 Correct 0 ms 348 KB Output is correct
77 Correct 0 ms 348 KB Output is correct
78 Correct 0 ms 348 KB Output is correct
79 Correct 0 ms 348 KB Output is correct
80 Correct 97 ms 348 KB Output is correct
81 Correct 103 ms 348 KB Output is correct
82 Correct 15 ms 600 KB Output is correct
83 Correct 17 ms 344 KB Output is correct
84 Correct 19 ms 348 KB Output is correct
85 Correct 15 ms 348 KB Output is correct
86 Correct 16 ms 348 KB Output is correct
87 Correct 23 ms 504 KB Output is correct
88 Correct 0 ms 344 KB Output is correct
89 Correct 99 ms 344 KB Output is correct
90 Correct 106 ms 348 KB Output is correct
91 Correct 97 ms 344 KB Output is correct
92 Correct 109 ms 348 KB Output is correct
93 Correct 104 ms 600 KB Output is correct
94 Correct 97 ms 348 KB Output is correct
95 Correct 100 ms 344 KB Output is correct
96 Correct 76 ms 348 KB Output is correct
97 Correct 68 ms 348 KB Output is correct
98 Correct 86 ms 600 KB Output is correct
99 Correct 83 ms 348 KB Output is correct
100 Correct 80 ms 348 KB Output is correct
101 Correct 62 ms 348 KB Output is correct
102 Correct 70 ms 348 KB Output is correct
103 Correct 70 ms 348 KB Output is correct
104 Correct 64 ms 520 KB Output is correct
105 Correct 69 ms 348 KB Output is correct
106 Correct 61 ms 600 KB Output is correct
107 Correct 66 ms 600 KB Output is correct
108 Correct 62 ms 348 KB Output is correct
109 Correct 78 ms 348 KB Output is correct
110 Correct 66 ms 772 KB Output is correct
111 Correct 0 ms 348 KB Output is correct
112 Correct 0 ms 348 KB Output is correct
113 Correct 0 ms 348 KB Output is correct
114 Correct 90 ms 348 KB Output is correct
115 Correct 97 ms 344 KB Output is correct
116 Correct 93 ms 348 KB Output is correct

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 344 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 392 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 536 ms 4572 KB Output is correct
42 Correct 534 ms 4572 KB Output is correct
43 Correct 517 ms 4568 KB Output is correct
44 Correct 554 ms 4572 KB Output is correct
45 Correct 567 ms 4568 KB Output is correct
46 Correct 16 ms 3604 KB Output is correct
47 Correct 16 ms 3548 KB Output is correct
48 Correct 16 ms 3420 KB Output is correct
49 Correct 764 ms 4572 KB Output is correct
50 Correct 264 ms 4064 KB Output is correct
51 Correct 263 ms 4064 KB Output is correct
52 Correct 0 ms 344 KB Output is correct
53 Correct 826 ms 4568 KB Output is correct
54 Correct 767 ms 4572 KB Output is correct
55 Correct 532 ms 4572 KB Output is correct
56 Correct 680 ms 4572 KB Output is correct
57 Correct 561 ms 4568 KB Output is correct
58 Correct 541 ms 4560 KB Output is correct
59 Correct 541 ms 4572 KB Output is correct
60 Correct 0 ms 348 KB Output is correct
61 Correct 0 ms 348 KB Output is correct
62 Correct 0 ms 348 KB Output is correct
63 Correct 0 ms 348 KB Output is correct
64 Correct 0 ms 348 KB Output is correct
65 Correct 0 ms 344 KB Output is correct
66 Correct 0 ms 344 KB Output is correct
67 Correct 1 ms 348 KB Output is correct
68 Correct 0 ms 348 KB Output is correct
69 Correct 0 ms 348 KB Output is correct
70 Correct 0 ms 344 KB Output is correct
71 Correct 0 ms 348 KB Output is correct
72 Correct 0 ms 348 KB Output is correct
73 Correct 0 ms 348 KB Output is correct
74 Correct 0 ms 348 KB Output is correct
75 Correct 0 ms 348 KB Output is correct
76 Correct 0 ms 348 KB Output is correct
77 Correct 0 ms 348 KB Output is correct
78 Correct 0 ms 348 KB Output is correct
79 Correct 0 ms 348 KB Output is correct
80 Correct 0 ms 348 KB Output is correct
81 Correct 0 ms 348 KB Output is correct
82 Correct 0 ms 344 KB Output is correct
83 Correct 0 ms 348 KB Output is correct
84 Correct 0 ms 348 KB Output is correct
85 Correct 0 ms 348 KB Output is correct
86 Correct 0 ms 348 KB Output is correct
87 Correct 0 ms 348 KB Output is correct
88 Correct 0 ms 348 KB Output is correct
89 Correct 0 ms 348 KB Output is correct
90 Correct 0 ms 348 KB Output is correct
91 Correct 0 ms 348 KB Output is correct
92 Correct 0 ms 348 KB Output is correct
93 Correct 0 ms 348 KB Output is correct
94 Correct 0 ms 348 KB Output is correct
95 Correct 0 ms 348 KB Output is correct
96 Correct 0 ms 348 KB Output is correct
97 Correct 0 ms 348 KB Output is correct
98 Correct 0 ms 348 KB Output is correct
99 Correct 0 ms 348 KB Output is correct
100 Correct 97 ms 348 KB Output is correct
101 Correct 103 ms 348 KB Output is correct
102 Correct 15 ms 600 KB Output is correct
103 Correct 17 ms 344 KB Output is correct
104 Correct 19 ms 348 KB Output is correct
105 Correct 15 ms 348 KB Output is correct
106 Correct 16 ms 348 KB Output is correct
107 Correct 23 ms 504 KB Output is correct
108 Correct 0 ms 344 KB Output is correct
109 Correct 99 ms 344 KB Output is correct
110 Correct 106 ms 348 KB Output is correct
111 Correct 97 ms 344 KB Output is correct
112 Correct 109 ms 348 KB Output is correct
113 Correct 104 ms 600 KB Output is correct
114 Correct 97 ms 348 KB Output is correct
115 Correct 100 ms 344 KB Output is correct
116 Correct 76 ms 348 KB Output is correct
117 Correct 68 ms 348 KB Output is correct
118 Correct 86 ms 600 KB Output is correct
119 Correct 83 ms 348 KB Output is correct
120 Correct 80 ms 348 KB Output is correct
121 Correct 62 ms 348 KB Output is correct
122 Correct 70 ms 348 KB Output is correct
123 Correct 70 ms 348 KB Output is correct
124 Correct 64 ms 520 KB Output is correct
125 Correct 69 ms 348 KB Output is correct
126 Correct 61 ms 600 KB Output is correct
127 Correct 66 ms 600 KB Output is correct
128 Correct 62 ms 348 KB Output is correct
129 Correct 78 ms 348 KB Output is correct
130 Correct 66 ms 772 KB Output is correct
131 Correct 0 ms 348 KB Output is correct
132 Correct 0 ms 348 KB Output is correct
133 Correct 0 ms 348 KB Output is correct
134 Correct 90 ms 348 KB Output is correct
135 Correct 97 ms 344 KB Output is correct
136 Correct 93 ms 348 KB Output is correct
137 Correct 1117 ms 4568 KB Output is correct
138 Correct 922 ms 4568 KB Output is correct
139 Correct 1066 ms 4572 KB Output is correct
140 Correct 1076 ms 4572 KB Output is correct
141 Correct 1074 ms 4572 KB Output is correct
142 Correct 914 ms 980 KB Output is correct
143 Correct 957 ms 996 KB Output is correct
144 Correct 890 ms 976 KB Output is correct
145 Correct 857 ms 860 KB Output is correct
146 Correct 1206 ms 856 KB Output is correct
147 Correct 1170 ms 856 KB Output is correct
148 Correct 0 ms 344 KB Output is correct
149 Correct 1077 ms 4572 KB Output is correct
150 Correct 1161 ms 4572 KB Output is correct
151 Correct 975 ms 4572 KB Output is correct
152 Correct 1160 ms 4572 KB Output is correct
153 Correct 1131 ms 4568 KB Output is correct
154 Correct 914 ms 4568 KB Output is correct
155 Correct 1079 ms 4568 KB Output is correct
156 Correct 1156 ms 4312 KB Output is correct
157 Correct 1105 ms 4316 KB Output is correct
158 Correct 1113 ms 4316 KB Output is correct
159 Correct 1146 ms 4312 KB Output is correct
160 Correct 1125 ms 4312 KB Output is correct
161 Correct 1164 ms 4316 KB Output is correct
162 Correct 1134 ms 4316 KB Output is correct
163 Correct 1210 ms 4312 KB Output is correct
164 Correct 1085 ms 4312 KB Output is correct
165 Correct 1026 ms 4316 KB Output is correct
166 Correct 1102 ms 4056 KB Output is correct
167 Correct 1136 ms 4316 KB Output is correct
168 Correct 1167 ms 4312 KB Output is correct
169 Incorrect 964 ms 4060 KB Output isn't correct
170 Halted 0 ms 0 KB -