oj.uz

Submission #1045454

# Submission time Handle Problem Language Result Execution time Memory
1045454 2024-08-06T01:17:25 Z Darren0724 Portal (BOI24_portal) C++17
65 / 100
 1701 ms 2776 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 ll 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=2e9;
const int mod=1e9+7;
const int N=200005;
const int K=20;
const int C=2000005;
 
ll gcd(ll a,ll 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;
    }
    ll ans=-1;
    auto solve=[&](int i,int j)->void {
        int r1=v[j].y/gcd(v[i].y,v[j].y);
        ll t=1ll*v[i].y*r1;
        int t1=t/v[j].y;
        ll x1=abs(1ll*v[i].x*r1-1ll*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;
    }
    for(int i=0;i<25000000;i++){
        int g1=rnd()%sz;
        int g2=rnd()%sz;
        solve(t[g1],t[g2]);
    }
    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 0 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 0 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 0 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 0 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 634 ms 600 KB Output is correct
20 Correct 920 ms 432 KB Output is correct
21 Correct 930 ms 596 KB Output is correct
22 Correct 789 ms 592 KB Output is correct
23 Correct 1053 ms 432 KB Output is correct
24 Correct 818 ms 428 KB Output is correct
25 Correct 747 ms 436 KB Output is correct
26 Correct 778 ms 592 KB Output is correct
27 Correct 785 ms 344 KB Output is correct
28 Correct 820 ms 348 KB Output is correct
29 Correct 894 ms 432 KB Output is correct
30 Correct 948 ms 596 KB Output is correct
31 Correct 1 ms 344 KB Output is correct
32 Correct 893 ms 348 KB Output is correct
33 Correct 903 ms 596 KB Output is correct
34 Correct 792 ms 348 KB Output is correct
35 Correct 851 ms 428 KB Output is correct
36 Correct 901 ms 592 KB Output is correct
37 Correct 794 ms 348 KB Output is correct
38 Correct 979 ms 348 KB Output is correct
39 Correct 906 ms 344 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 1303 ms 2688 KB Output is correct
3 Correct 1340 ms 2524 KB Output is correct
4 Correct 1275 ms 2524 KB Output is correct
5 Correct 1291 ms 2524 KB Output is correct
6 Correct 1313 ms 2528 KB Output is correct
7 Correct 15 ms 1884 KB Output is correct
8 Correct 19 ms 2040 KB Output is correct
9 Correct 15 ms 2048 KB Output is correct
10 Correct 1601 ms 2528 KB Output is correct
11 Correct 666 ms 2396 KB Output is correct
12 Correct 649 ms 2388 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1701 ms 2676 KB Output is correct
15 Correct 1592 ms 2528 KB Output is correct
16 Correct 1300 ms 2528 KB Output is correct
17 Correct 1473 ms 2524 KB Output is correct
18 Correct 1361 ms 2524 KB Output is correct
19 Correct 1304 ms 2528 KB Output is correct
20 Correct 1342 ms 2524 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 647 ms 344 KB Output is correct
2 Correct 662 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 811 ms 436 KB Output is correct
5 Correct 913 ms 436 KB Output is correct
6 Correct 792 ms 348 KB Output is correct
7 Correct 959 ms 344 KB Output is correct
8 Correct 863 ms 440 KB Output is correct
9 Correct 859 ms 432 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 904 ms 452 KB Output is correct
12 Correct 880 ms 432 KB Output is correct
13 Correct 947 ms 428 KB Output is correct
14 Correct 414 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 869 ms 436 KB Output is correct
17 Correct 863 ms 432 KB Output is correct
18 Correct 920 ms 456 KB Output is correct
19 Correct 976 ms 432 KB Output is correct
20 Correct 955 ms 344 KB Output is correct
21 Correct 799 ms 344 KB Output is correct
22 Correct 869 ms 596 KB Output is correct
23 Correct 910 ms 432 KB Output is correct
24 Correct 992 ms 440 KB Output is correct
25 Correct 902 ms 456 KB Output is correct
26 Correct 886 ms 436 KB Output is correct
27 Correct 896 ms 348 KB Output is correct
28 Correct 914 ms 436 KB Output is correct
29 Correct 917 ms 436 KB Output is correct
30 Correct 930 ms 348 KB Output is correct
31 Correct 924 ms 436 KB Output is correct
32 Correct 945 ms 436 KB Output is correct
33 Correct 896 ms 436 KB Output is correct
34 Correct 884 ms 348 KB Output is correct
35 Correct 884 ms 436 KB Output is correct
36 Correct 889 ms 436 KB Output is correct
37 Correct 911 ms 448 KB Output is correct
38 Correct 790 ms 348 KB Output is correct
39 Correct 713 ms 428 KB Output is correct
40 Correct 439 ms 432 KB Output is correct

Subtask #5
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 0 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 634 ms 600 KB Output is correct
20 Correct 920 ms 432 KB Output is correct
21 Correct 930 ms 596 KB Output is correct
22 Correct 789 ms 592 KB Output is correct
23 Correct 1053 ms 432 KB Output is correct
24 Correct 818 ms 428 KB Output is correct
25 Correct 747 ms 436 KB Output is correct
26 Correct 778 ms 592 KB Output is correct
27 Correct 785 ms 344 KB Output is correct
28 Correct 820 ms 348 KB Output is correct
29 Correct 894 ms 432 KB Output is correct
30 Correct 948 ms 596 KB Output is correct
31 Correct 1 ms 344 KB Output is correct
32 Correct 893 ms 348 KB Output is correct
33 Correct 903 ms 596 KB Output is correct
34 Correct 792 ms 348 KB Output is correct
35 Correct 851 ms 428 KB Output is correct
36 Correct 901 ms 592 KB Output is correct
37 Correct 794 ms 348 KB Output is correct
38 Correct 979 ms 348 KB Output is correct
39 Correct 906 ms 344 KB Output is correct
40 Correct 647 ms 344 KB Output is correct
41 Correct 662 ms 348 KB Output is correct
42 Correct 0 ms 344 KB Output is correct
43 Correct 811 ms 436 KB Output is correct
44 Correct 913 ms 436 KB Output is correct
45 Correct 792 ms 348 KB Output is correct
46 Correct 959 ms 344 KB Output is correct
47 Correct 863 ms 440 KB Output is correct
48 Correct 859 ms 432 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 904 ms 452 KB Output is correct
51 Correct 880 ms 432 KB Output is correct
52 Correct 947 ms 428 KB Output is correct
53 Correct 414 ms 348 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 869 ms 436 KB Output is correct
56 Correct 863 ms 432 KB Output is correct
57 Correct 920 ms 456 KB Output is correct
58 Correct 976 ms 432 KB Output is correct
59 Correct 955 ms 344 KB Output is correct
60 Correct 799 ms 344 KB Output is correct
61 Correct 869 ms 596 KB Output is correct
62 Correct 910 ms 432 KB Output is correct
63 Correct 992 ms 440 KB Output is correct
64 Correct 902 ms 456 KB Output is correct
65 Correct 886 ms 436 KB Output is correct
66 Correct 896 ms 348 KB Output is correct
67 Correct 914 ms 436 KB Output is correct
68 Correct 917 ms 436 KB Output is correct
69 Correct 930 ms 348 KB Output is correct
70 Correct 924 ms 436 KB Output is correct
71 Correct 945 ms 436 KB Output is correct
72 Correct 896 ms 436 KB Output is correct
73 Correct 884 ms 348 KB Output is correct
74 Correct 884 ms 436 KB Output is correct
75 Correct 889 ms 436 KB Output is correct
76 Correct 911 ms 448 KB Output is correct
77 Correct 790 ms 348 KB Output is correct
78 Correct 713 ms 428 KB Output is correct
79 Correct 439 ms 432 KB Output is correct
80 Correct 1539 ms 484 KB Output is correct
81 Correct 1567 ms 480 KB Output is correct
82 Correct 1133 ms 460 KB Output is correct
83 Correct 1128 ms 468 KB Output is correct
84 Correct 1264 ms 464 KB Output is correct
85 Correct 1125 ms 348 KB Output is correct
86 Correct 1156 ms 460 KB Output is correct
87 Correct 1514 ms 344 KB Output is correct
88 Correct 0 ms 348 KB Output is correct
89 Correct 1514 ms 484 KB Output is correct
90 Correct 1661 ms 348 KB Output is correct
91 Correct 1510 ms 344 KB Output is correct
92 Correct 1593 ms 484 KB Output is correct
93 Correct 1551 ms 484 KB Output is correct
94 Correct 1520 ms 344 KB Output is correct
95 Correct 1548 ms 348 KB Output is correct
96 Correct 1407 ms 344 KB Output is correct
97 Correct 1312 ms 476 KB Output is correct
98 Correct 1433 ms 480 KB Output is correct
99 Correct 1338 ms 348 KB Output is correct
100 Correct 1447 ms 484 KB Output is correct
101 Correct 1327 ms 348 KB Output is correct
102 Correct 1400 ms 484 KB Output is correct
103 Correct 1390 ms 348 KB Output is correct
104 Correct 1338 ms 344 KB Output is correct
105 Correct 1394 ms 348 KB Output is correct
106 Correct 1284 ms 480 KB Output is correct
107 Correct 1399 ms 344 KB Output is correct
108 Correct 1346 ms 480 KB Output is correct
109 Correct 1472 ms 344 KB Output is correct
110 Correct 1400 ms 348 KB Output is correct
111 Correct 970 ms 348 KB Output is correct
112 Correct 1087 ms 432 KB Output is correct
113 Correct 1025 ms 344 KB Output is correct
114 Correct 1443 ms 348 KB Output is correct
115 Correct 1533 ms 344 KB Output is correct
116 Correct 1488 ms 344 KB Output is correct

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 0 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 634 ms 600 KB Output is correct
20 Correct 920 ms 432 KB Output is correct
21 Correct 930 ms 596 KB Output is correct
22 Correct 789 ms 592 KB Output is correct
23 Correct 1053 ms 432 KB Output is correct
24 Correct 818 ms 428 KB Output is correct
25 Correct 747 ms 436 KB Output is correct
26 Correct 778 ms 592 KB Output is correct
27 Correct 785 ms 344 KB Output is correct
28 Correct 820 ms 348 KB Output is correct
29 Correct 894 ms 432 KB Output is correct
30 Correct 948 ms 596 KB Output is correct
31 Correct 1 ms 344 KB Output is correct
32 Correct 893 ms 348 KB Output is correct
33 Correct 903 ms 596 KB Output is correct
34 Correct 792 ms 348 KB Output is correct
35 Correct 851 ms 428 KB Output is correct
36 Correct 901 ms 592 KB Output is correct
37 Correct 794 ms 348 KB Output is correct
38 Correct 979 ms 348 KB Output is correct
39 Correct 906 ms 344 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 1303 ms 2688 KB Output is correct
42 Correct 1340 ms 2524 KB Output is correct
43 Correct 1275 ms 2524 KB Output is correct
44 Correct 1291 ms 2524 KB Output is correct
45 Correct 1313 ms 2528 KB Output is correct
46 Correct 15 ms 1884 KB Output is correct
47 Correct 19 ms 2040 KB Output is correct
48 Correct 15 ms 2048 KB Output is correct
49 Correct 1601 ms 2528 KB Output is correct
50 Correct 666 ms 2396 KB Output is correct
51 Correct 649 ms 2388 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 1701 ms 2676 KB Output is correct
54 Correct 1592 ms 2528 KB Output is correct
55 Correct 1300 ms 2528 KB Output is correct
56 Correct 1473 ms 2524 KB Output is correct
57 Correct 1361 ms 2524 KB Output is correct
58 Correct 1304 ms 2528 KB Output is correct
59 Correct 1342 ms 2524 KB Output is correct
60 Correct 647 ms 344 KB Output is correct
61 Correct 662 ms 348 KB Output is correct
62 Correct 0 ms 344 KB Output is correct
63 Correct 811 ms 436 KB Output is correct
64 Correct 913 ms 436 KB Output is correct
65 Correct 792 ms 348 KB Output is correct
66 Correct 959 ms 344 KB Output is correct
67 Correct 863 ms 440 KB Output is correct
68 Correct 859 ms 432 KB Output is correct
69 Correct 0 ms 348 KB Output is correct
70 Correct 904 ms 452 KB Output is correct
71 Correct 880 ms 432 KB Output is correct
72 Correct 947 ms 428 KB Output is correct
73 Correct 414 ms 348 KB Output is correct
74 Correct 0 ms 348 KB Output is correct
75 Correct 869 ms 436 KB Output is correct
76 Correct 863 ms 432 KB Output is correct
77 Correct 920 ms 456 KB Output is correct
78 Correct 976 ms 432 KB Output is correct
79 Correct 955 ms 344 KB Output is correct
80 Correct 799 ms 344 KB Output is correct
81 Correct 869 ms 596 KB Output is correct
82 Correct 910 ms 432 KB Output is correct
83 Correct 992 ms 440 KB Output is correct
84 Correct 902 ms 456 KB Output is correct
85 Correct 886 ms 436 KB Output is correct
86 Correct 896 ms 348 KB Output is correct
87 Correct 914 ms 436 KB Output is correct
88 Correct 917 ms 436 KB Output is correct
89 Correct 930 ms 348 KB Output is correct
90 Correct 924 ms 436 KB Output is correct
91 Correct 945 ms 436 KB Output is correct
92 Correct 896 ms 436 KB Output is correct
93 Correct 884 ms 348 KB Output is correct
94 Correct 884 ms 436 KB Output is correct
95 Correct 889 ms 436 KB Output is correct
96 Correct 911 ms 448 KB Output is correct
97 Correct 790 ms 348 KB Output is correct
98 Correct 713 ms 428 KB Output is correct
99 Correct 439 ms 432 KB Output is correct
100 Correct 1539 ms 484 KB Output is correct
101 Correct 1567 ms 480 KB Output is correct
102 Correct 1133 ms 460 KB Output is correct
103 Correct 1128 ms 468 KB Output is correct
104 Correct 1264 ms 464 KB Output is correct
105 Correct 1125 ms 348 KB Output is correct
106 Correct 1156 ms 460 KB Output is correct
107 Correct 1514 ms 344 KB Output is correct
108 Correct 0 ms 348 KB Output is correct
109 Correct 1514 ms 484 KB Output is correct
110 Correct 1661 ms 348 KB Output is correct
111 Correct 1510 ms 344 KB Output is correct
112 Correct 1593 ms 484 KB Output is correct
113 Correct 1551 ms 484 KB Output is correct
114 Correct 1520 ms 344 KB Output is correct
115 Correct 1548 ms 348 KB Output is correct
116 Correct 1407 ms 344 KB Output is correct
117 Correct 1312 ms 476 KB Output is correct
118 Correct 1433 ms 480 KB Output is correct
119 Correct 1338 ms 348 KB Output is correct
120 Correct 1447 ms 484 KB Output is correct
121 Correct 1327 ms 348 KB Output is correct
122 Correct 1400 ms 484 KB Output is correct
123 Correct 1390 ms 348 KB Output is correct
124 Correct 1338 ms 344 KB Output is correct
125 Correct 1394 ms 348 KB Output is correct
126 Correct 1284 ms 480 KB Output is correct
127 Correct 1399 ms 344 KB Output is correct
128 Correct 1346 ms 480 KB Output is correct
129 Correct 1472 ms 344 KB Output is correct
130 Correct 1400 ms 348 KB Output is correct
131 Correct 970 ms 348 KB Output is correct
132 Correct 1087 ms 432 KB Output is correct
133 Correct 1025 ms 344 KB Output is correct
134 Correct 1443 ms 348 KB Output is correct
135 Correct 1533 ms 344 KB Output is correct
136 Correct 1488 ms 344 KB Output is correct
137 Correct 1628 ms 2524 KB Output is correct
138 Correct 1463 ms 2528 KB Output is correct
139 Correct 1567 ms 2524 KB Output is correct
140 Correct 1603 ms 2524 KB Output is correct
141 Correct 1602 ms 2524 KB Output is correct
142 Correct 1328 ms 852 KB Output is correct
143 Correct 1287 ms 856 KB Output is correct
144 Correct 1290 ms 700 KB Output is correct
145 Correct 1258 ms 604 KB Output is correct
146 Correct 1536 ms 604 KB Output is correct
147 Correct 1453 ms 700 KB Output is correct
148 Correct 0 ms 348 KB Output is correct
149 Correct 1615 ms 2688 KB Output is correct
150 Correct 1657 ms 2524 KB Output is correct
151 Correct 1488 ms 2528 KB Output is correct
152 Correct 1624 ms 2528 KB Output is correct
153 Correct 1683 ms 2528 KB Output is correct
154 Correct 1500 ms 2528 KB Output is correct
155 Correct 1647 ms 2528 KB Output is correct
156 Correct 1575 ms 2776 KB Output is correct
157 Correct 1519 ms 2528 KB Output is correct
158 Correct 1515 ms 2564 KB Output is correct
159 Correct 1550 ms 2272 KB Output is correct
160 Correct 1528 ms 2540 KB Output is correct
161 Correct 1621 ms 2388 KB Output is correct
162 Correct 1579 ms 2564 KB Output is correct
163 Correct 1604 ms 2272 KB Output is correct
164 Correct 1496 ms 2272 KB Output is correct
165 Correct 1532 ms 2268 KB Output is correct
166 Correct 1507 ms 2268 KB Output is correct
167 Correct 1684 ms 2268 KB Output is correct
168 Correct 1568 ms 2456 KB Output is correct
169 Incorrect 1418 ms 2380 KB Output isn't correct
170 Halted 0 ms 0 KB -