oj.uz

Submission #1045436

# Submission time Handle Problem Language Result Execution time Memory
1045436 2024-08-06T00:59:58 Z Darren0724 Portal (BOI24_portal) C++17
65 / 100
 1573 ms 4824 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());
namespace{
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 main1(){
    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;
    }
    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;
}
}
int32_t main(){
    main1();
}

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 344 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 1 ms 344 KB Output is correct
12 Correct 0 ms 344 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 344 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 1 ms 344 KB Output is correct
12 Correct 0 ms 344 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 472 ms 348 KB Output is correct
20 Correct 760 ms 436 KB Output is correct
21 Correct 763 ms 432 KB Output is correct
22 Correct 660 ms 344 KB Output is correct
23 Correct 917 ms 600 KB Output is correct
24 Correct 680 ms 348 KB Output is correct
25 Correct 591 ms 428 KB Output is correct
26 Correct 657 ms 348 KB Output is correct
27 Correct 616 ms 344 KB Output is correct
28 Correct 662 ms 428 KB Output is correct
29 Correct 729 ms 348 KB Output is correct
30 Correct 786 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 724 ms 428 KB Output is correct
33 Correct 758 ms 428 KB Output is correct
34 Correct 638 ms 428 KB Output is correct
35 Correct 708 ms 348 KB Output is correct
36 Correct 750 ms 688 KB Output is correct
37 Correct 629 ms 432 KB Output is correct
38 Correct 816 ms 348 KB Output is correct
39 Correct 806 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 1165 ms 4760 KB Output is correct
3 Correct 1157 ms 4568 KB Output is correct
4 Correct 1150 ms 4572 KB Output is correct
5 Correct 1170 ms 4568 KB Output is correct
6 Correct 1203 ms 4740 KB Output is correct
7 Correct 18 ms 3420 KB Output is correct
8 Correct 17 ms 3600 KB Output is correct
9 Correct 16 ms 3420 KB Output is correct
10 Correct 1457 ms 4756 KB Output is correct
11 Correct 548 ms 4060 KB Output is correct
12 Correct 598 ms 4052 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 1537 ms 4740 KB Output is correct
15 Correct 1459 ms 4572 KB Output is correct
16 Correct 1167 ms 4572 KB Output is correct
17 Correct 1353 ms 4572 KB Output is correct
18 Correct 1228 ms 4572 KB Output is correct
19 Correct 1193 ms 4572 KB Output is correct
20 Correct 1210 ms 4572 KB Output is correct

Subtask #4
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 474 ms 348 KB Output is correct
2 Correct 511 ms 436 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 654 ms 348 KB Output is correct
5 Correct 749 ms 432 KB Output is correct
6 Correct 622 ms 344 KB Output is correct
7 Correct 810 ms 348 KB Output is correct
8 Correct 689 ms 440 KB Output is correct
9 Correct 723 ms 348 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 745 ms 344 KB Output is correct
12 Correct 724 ms 600 KB Output is correct
13 Correct 772 ms 344 KB Output is correct
14 Correct 279 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 716 ms 344 KB Output is correct
17 Correct 728 ms 440 KB Output is correct
18 Correct 789 ms 348 KB Output is correct
19 Correct 831 ms 436 KB Output is correct
20 Correct 804 ms 436 KB Output is correct
21 Correct 669 ms 436 KB Output is correct
22 Correct 710 ms 348 KB Output is correct
23 Correct 790 ms 344 KB Output is correct
24 Correct 808 ms 436 KB Output is correct
25 Correct 766 ms 344 KB Output is correct
26 Correct 740 ms 440 KB Output is correct
27 Correct 778 ms 348 KB Output is correct
28 Correct 752 ms 432 KB Output is correct
29 Correct 794 ms 344 KB Output is correct
30 Correct 744 ms 348 KB Output is correct
31 Correct 760 ms 440 KB Output is correct
32 Correct 761 ms 344 KB Output is correct
33 Correct 717 ms 348 KB Output is correct
34 Correct 751 ms 432 KB Output is correct
35 Correct 707 ms 344 KB Output is correct
36 Correct 748 ms 436 KB Output is correct
37 Correct 745 ms 432 KB Output is correct
38 Correct 631 ms 348 KB Output is correct
39 Correct 560 ms 428 KB Output is correct
40 Correct 265 ms 432 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 344 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 1 ms 344 KB Output is correct
12 Correct 0 ms 344 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 472 ms 348 KB Output is correct
20 Correct 760 ms 436 KB Output is correct
21 Correct 763 ms 432 KB Output is correct
22 Correct 660 ms 344 KB Output is correct
23 Correct 917 ms 600 KB Output is correct
24 Correct 680 ms 348 KB Output is correct
25 Correct 591 ms 428 KB Output is correct
26 Correct 657 ms 348 KB Output is correct
27 Correct 616 ms 344 KB Output is correct
28 Correct 662 ms 428 KB Output is correct
29 Correct 729 ms 348 KB Output is correct
30 Correct 786 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 724 ms 428 KB Output is correct
33 Correct 758 ms 428 KB Output is correct
34 Correct 638 ms 428 KB Output is correct
35 Correct 708 ms 348 KB Output is correct
36 Correct 750 ms 688 KB Output is correct
37 Correct 629 ms 432 KB Output is correct
38 Correct 816 ms 348 KB Output is correct
39 Correct 806 ms 344 KB Output is correct
40 Correct 474 ms 348 KB Output is correct
41 Correct 511 ms 436 KB Output is correct
42 Correct 1 ms 344 KB Output is correct
43 Correct 654 ms 348 KB Output is correct
44 Correct 749 ms 432 KB Output is correct
45 Correct 622 ms 344 KB Output is correct
46 Correct 810 ms 348 KB Output is correct
47 Correct 689 ms 440 KB Output is correct
48 Correct 723 ms 348 KB Output is correct
49 Correct 0 ms 344 KB Output is correct
50 Correct 745 ms 344 KB Output is correct
51 Correct 724 ms 600 KB Output is correct
52 Correct 772 ms 344 KB Output is correct
53 Correct 279 ms 348 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 716 ms 344 KB Output is correct
56 Correct 728 ms 440 KB Output is correct
57 Correct 789 ms 348 KB Output is correct
58 Correct 831 ms 436 KB Output is correct
59 Correct 804 ms 436 KB Output is correct
60 Correct 669 ms 436 KB Output is correct
61 Correct 710 ms 348 KB Output is correct
62 Correct 790 ms 344 KB Output is correct
63 Correct 808 ms 436 KB Output is correct
64 Correct 766 ms 344 KB Output is correct
65 Correct 740 ms 440 KB Output is correct
66 Correct 778 ms 348 KB Output is correct
67 Correct 752 ms 432 KB Output is correct
68 Correct 794 ms 344 KB Output is correct
69 Correct 744 ms 348 KB Output is correct
70 Correct 760 ms 440 KB Output is correct
71 Correct 761 ms 344 KB Output is correct
72 Correct 717 ms 348 KB Output is correct
73 Correct 751 ms 432 KB Output is correct
74 Correct 707 ms 344 KB Output is correct
75 Correct 748 ms 436 KB Output is correct
76 Correct 745 ms 432 KB Output is correct
77 Correct 631 ms 348 KB Output is correct
78 Correct 560 ms 428 KB Output is correct
79 Correct 265 ms 432 KB Output is correct
80 Correct 1381 ms 528 KB Output is correct
81 Correct 1445 ms 348 KB Output is correct
82 Correct 976 ms 488 KB Output is correct
83 Correct 995 ms 348 KB Output is correct
84 Correct 1151 ms 348 KB Output is correct
85 Correct 971 ms 344 KB Output is correct
86 Correct 1055 ms 348 KB Output is correct
87 Correct 1369 ms 344 KB Output is correct
88 Correct 0 ms 348 KB Output is correct
89 Correct 1386 ms 536 KB Output is correct
90 Correct 1474 ms 344 KB Output is correct
91 Correct 1409 ms 344 KB Output is correct
92 Correct 1506 ms 344 KB Output is correct
93 Correct 1460 ms 532 KB Output is correct
94 Correct 1416 ms 528 KB Output is correct
95 Correct 1402 ms 344 KB Output is correct
96 Correct 1270 ms 528 KB Output is correct
97 Correct 1179 ms 348 KB Output is correct
98 Correct 1338 ms 524 KB Output is correct
99 Correct 1221 ms 524 KB Output is correct
100 Correct 1335 ms 532 KB Output is correct
101 Correct 1160 ms 524 KB Output is correct
102 Correct 1225 ms 348 KB Output is correct
103 Correct 1275 ms 520 KB Output is correct
104 Correct 1217 ms 524 KB Output is correct
105 Correct 1289 ms 344 KB Output is correct
106 Correct 1156 ms 532 KB Output is correct
107 Correct 1247 ms 520 KB Output is correct
108 Correct 1263 ms 524 KB Output is correct
109 Correct 1333 ms 528 KB Output is correct
110 Correct 1273 ms 524 KB Output is correct
111 Correct 823 ms 344 KB Output is correct
112 Correct 960 ms 348 KB Output is correct
113 Correct 909 ms 432 KB Output is correct
114 Correct 1323 ms 348 KB Output is correct
115 Correct 1417 ms 528 KB Output is correct
116 Correct 1367 ms 532 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 344 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 1 ms 344 KB Output is correct
12 Correct 0 ms 344 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 472 ms 348 KB Output is correct
20 Correct 760 ms 436 KB Output is correct
21 Correct 763 ms 432 KB Output is correct
22 Correct 660 ms 344 KB Output is correct
23 Correct 917 ms 600 KB Output is correct
24 Correct 680 ms 348 KB Output is correct
25 Correct 591 ms 428 KB Output is correct
26 Correct 657 ms 348 KB Output is correct
27 Correct 616 ms 344 KB Output is correct
28 Correct 662 ms 428 KB Output is correct
29 Correct 729 ms 348 KB Output is correct
30 Correct 786 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 724 ms 428 KB Output is correct
33 Correct 758 ms 428 KB Output is correct
34 Correct 638 ms 428 KB Output is correct
35 Correct 708 ms 348 KB Output is correct
36 Correct 750 ms 688 KB Output is correct
37 Correct 629 ms 432 KB Output is correct
38 Correct 816 ms 348 KB Output is correct
39 Correct 806 ms 344 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 1165 ms 4760 KB Output is correct
42 Correct 1157 ms 4568 KB Output is correct
43 Correct 1150 ms 4572 KB Output is correct
44 Correct 1170 ms 4568 KB Output is correct
45 Correct 1203 ms 4740 KB Output is correct
46 Correct 18 ms 3420 KB Output is correct
47 Correct 17 ms 3600 KB Output is correct
48 Correct 16 ms 3420 KB Output is correct
49 Correct 1457 ms 4756 KB Output is correct
50 Correct 548 ms 4060 KB Output is correct
51 Correct 598 ms 4052 KB Output is correct
52 Correct 0 ms 344 KB Output is correct
53 Correct 1537 ms 4740 KB Output is correct
54 Correct 1459 ms 4572 KB Output is correct
55 Correct 1167 ms 4572 KB Output is correct
56 Correct 1353 ms 4572 KB Output is correct
57 Correct 1228 ms 4572 KB Output is correct
58 Correct 1193 ms 4572 KB Output is correct
59 Correct 1210 ms 4572 KB Output is correct
60 Correct 474 ms 348 KB Output is correct
61 Correct 511 ms 436 KB Output is correct
62 Correct 1 ms 344 KB Output is correct
63 Correct 654 ms 348 KB Output is correct
64 Correct 749 ms 432 KB Output is correct
65 Correct 622 ms 344 KB Output is correct
66 Correct 810 ms 348 KB Output is correct
67 Correct 689 ms 440 KB Output is correct
68 Correct 723 ms 348 KB Output is correct
69 Correct 0 ms 344 KB Output is correct
70 Correct 745 ms 344 KB Output is correct
71 Correct 724 ms 600 KB Output is correct
72 Correct 772 ms 344 KB Output is correct
73 Correct 279 ms 348 KB Output is correct
74 Correct 0 ms 348 KB Output is correct
75 Correct 716 ms 344 KB Output is correct
76 Correct 728 ms 440 KB Output is correct
77 Correct 789 ms 348 KB Output is correct
78 Correct 831 ms 436 KB Output is correct
79 Correct 804 ms 436 KB Output is correct
80 Correct 669 ms 436 KB Output is correct
81 Correct 710 ms 348 KB Output is correct
82 Correct 790 ms 344 KB Output is correct
83 Correct 808 ms 436 KB Output is correct
84 Correct 766 ms 344 KB Output is correct
85 Correct 740 ms 440 KB Output is correct
86 Correct 778 ms 348 KB Output is correct
87 Correct 752 ms 432 KB Output is correct
88 Correct 794 ms 344 KB Output is correct
89 Correct 744 ms 348 KB Output is correct
90 Correct 760 ms 440 KB Output is correct
91 Correct 761 ms 344 KB Output is correct
92 Correct 717 ms 348 KB Output is correct
93 Correct 751 ms 432 KB Output is correct
94 Correct 707 ms 344 KB Output is correct
95 Correct 748 ms 436 KB Output is correct
96 Correct 745 ms 432 KB Output is correct
97 Correct 631 ms 348 KB Output is correct
98 Correct 560 ms 428 KB Output is correct
99 Correct 265 ms 432 KB Output is correct
100 Correct 1381 ms 528 KB Output is correct
101 Correct 1445 ms 348 KB Output is correct
102 Correct 976 ms 488 KB Output is correct
103 Correct 995 ms 348 KB Output is correct
104 Correct 1151 ms 348 KB Output is correct
105 Correct 971 ms 344 KB Output is correct
106 Correct 1055 ms 348 KB Output is correct
107 Correct 1369 ms 344 KB Output is correct
108 Correct 0 ms 348 KB Output is correct
109 Correct 1386 ms 536 KB Output is correct
110 Correct 1474 ms 344 KB Output is correct
111 Correct 1409 ms 344 KB Output is correct
112 Correct 1506 ms 344 KB Output is correct
113 Correct 1460 ms 532 KB Output is correct
114 Correct 1416 ms 528 KB Output is correct
115 Correct 1402 ms 344 KB Output is correct
116 Correct 1270 ms 528 KB Output is correct
117 Correct 1179 ms 348 KB Output is correct
118 Correct 1338 ms 524 KB Output is correct
119 Correct 1221 ms 524 KB Output is correct
120 Correct 1335 ms 532 KB Output is correct
121 Correct 1160 ms 524 KB Output is correct
122 Correct 1225 ms 348 KB Output is correct
123 Correct 1275 ms 520 KB Output is correct
124 Correct 1217 ms 524 KB Output is correct
125 Correct 1289 ms 344 KB Output is correct
126 Correct 1156 ms 532 KB Output is correct
127 Correct 1247 ms 520 KB Output is correct
128 Correct 1263 ms 524 KB Output is correct
129 Correct 1333 ms 528 KB Output is correct
130 Correct 1273 ms 524 KB Output is correct
131 Correct 823 ms 344 KB Output is correct
132 Correct 960 ms 348 KB Output is correct
133 Correct 909 ms 432 KB Output is correct
134 Correct 1323 ms 348 KB Output is correct
135 Correct 1417 ms 528 KB Output is correct
136 Correct 1367 ms 532 KB Output is correct
137 Correct 1480 ms 4564 KB Output is correct
138 Correct 1326 ms 4560 KB Output is correct
139 Correct 1460 ms 4824 KB Output is correct
140 Correct 1494 ms 4560 KB Output is correct
141 Correct 1542 ms 4568 KB Output is correct
142 Correct 1216 ms 856 KB Output is correct
143 Correct 1200 ms 984 KB Output is correct
144 Correct 1167 ms 856 KB Output is correct
145 Correct 1167 ms 860 KB Output is correct
146 Correct 1437 ms 860 KB Output is correct
147 Correct 1348 ms 856 KB Output is correct
148 Correct 0 ms 348 KB Output is correct
149 Correct 1501 ms 4572 KB Output is correct
150 Correct 1573 ms 4568 KB Output is correct
151 Correct 1399 ms 4568 KB Output is correct
152 Correct 1513 ms 4568 KB Output is correct
153 Correct 1521 ms 4572 KB Output is correct
154 Correct 1360 ms 4568 KB Output is correct
155 Correct 1498 ms 4572 KB Output is correct
156 Correct 1460 ms 4312 KB Output is correct
157 Correct 1361 ms 4312 KB Output is correct
158 Correct 1393 ms 4316 KB Output is correct
159 Correct 1430 ms 4312 KB Output is correct
160 Correct 1376 ms 4316 KB Output is correct
161 Correct 1403 ms 4316 KB Output is correct
162 Correct 1433 ms 4316 KB Output is correct
163 Correct 1465 ms 4316 KB Output is correct
164 Correct 1373 ms 4312 KB Output is correct
165 Correct 1292 ms 4316 KB Output is correct
166 Correct 1373 ms 4056 KB Output is correct
167 Correct 1452 ms 4308 KB Output is correct
168 Correct 1394 ms 4312 KB Output is correct
169 Incorrect 1296 ms 4056 KB Output isn't correct
170 Halted 0 ms 0 KB -