답안 #1045458

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1045458 2024-08-06T01:20:16 Z Darren0724 Portal (BOI24_portal) C++17
65 / 100
1592 ms 2692 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;
}
# 결과 실행 시간 메모리 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 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 344 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
# 결과 실행 시간 메모리 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 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 344 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 535 ms 432 KB Output is correct
20 Correct 747 ms 436 KB Output is correct
21 Correct 766 ms 432 KB Output is correct
22 Correct 627 ms 600 KB Output is correct
23 Correct 895 ms 436 KB Output is correct
24 Correct 680 ms 348 KB Output is correct
25 Correct 613 ms 600 KB Output is correct
26 Correct 639 ms 436 KB Output is correct
27 Correct 670 ms 444 KB Output is correct
28 Correct 686 ms 344 KB Output is correct
29 Correct 738 ms 432 KB Output is correct
30 Correct 803 ms 432 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 781 ms 440 KB Output is correct
33 Correct 750 ms 432 KB Output is correct
34 Correct 650 ms 344 KB Output is correct
35 Correct 718 ms 428 KB Output is correct
36 Correct 761 ms 348 KB Output is correct
37 Correct 626 ms 344 KB Output is correct
38 Correct 823 ms 344 KB Output is correct
39 Correct 771 ms 428 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1215 ms 2528 KB Output is correct
3 Correct 1296 ms 2684 KB Output is correct
4 Correct 1174 ms 2524 KB Output is correct
5 Correct 1156 ms 2528 KB Output is correct
6 Correct 1220 ms 2528 KB Output is correct
7 Correct 16 ms 1884 KB Output is correct
8 Correct 23 ms 2040 KB Output is correct
9 Correct 16 ms 2048 KB Output is correct
10 Correct 1507 ms 2684 KB Output is correct
11 Correct 562 ms 2396 KB Output is correct
12 Correct 499 ms 2396 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1521 ms 2680 KB Output is correct
15 Correct 1503 ms 2528 KB Output is correct
16 Correct 1209 ms 2688 KB Output is correct
17 Correct 1376 ms 2424 KB Output is correct
18 Correct 1238 ms 2688 KB Output is correct
19 Correct 1178 ms 2516 KB Output is correct
20 Correct 1227 ms 2528 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 487 ms 436 KB Output is correct
2 Correct 514 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 672 ms 436 KB Output is correct
5 Correct 758 ms 436 KB Output is correct
6 Correct 707 ms 436 KB Output is correct
7 Correct 827 ms 436 KB Output is correct
8 Correct 721 ms 596 KB Output is correct
9 Correct 693 ms 596 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 726 ms 428 KB Output is correct
12 Correct 738 ms 348 KB Output is correct
13 Correct 766 ms 344 KB Output is correct
14 Correct 281 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 728 ms 348 KB Output is correct
17 Correct 709 ms 348 KB Output is correct
18 Correct 772 ms 348 KB Output is correct
19 Correct 830 ms 436 KB Output is correct
20 Correct 863 ms 432 KB Output is correct
21 Correct 670 ms 436 KB Output is correct
22 Correct 726 ms 596 KB Output is correct
23 Correct 796 ms 444 KB Output is correct
24 Correct 820 ms 348 KB Output is correct
25 Correct 773 ms 344 KB Output is correct
26 Correct 734 ms 432 KB Output is correct
27 Correct 739 ms 600 KB Output is correct
28 Correct 773 ms 348 KB Output is correct
29 Correct 769 ms 344 KB Output is correct
30 Correct 741 ms 344 KB Output is correct
31 Correct 802 ms 436 KB Output is correct
32 Correct 786 ms 436 KB Output is correct
33 Correct 712 ms 436 KB Output is correct
34 Correct 720 ms 432 KB Output is correct
35 Correct 711 ms 596 KB Output is correct
36 Correct 728 ms 440 KB Output is correct
37 Correct 758 ms 432 KB Output is correct
38 Correct 621 ms 592 KB Output is correct
39 Correct 578 ms 344 KB Output is correct
40 Correct 252 ms 432 KB Output is correct
# 결과 실행 시간 메모리 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 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 344 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 535 ms 432 KB Output is correct
20 Correct 747 ms 436 KB Output is correct
21 Correct 766 ms 432 KB Output is correct
22 Correct 627 ms 600 KB Output is correct
23 Correct 895 ms 436 KB Output is correct
24 Correct 680 ms 348 KB Output is correct
25 Correct 613 ms 600 KB Output is correct
26 Correct 639 ms 436 KB Output is correct
27 Correct 670 ms 444 KB Output is correct
28 Correct 686 ms 344 KB Output is correct
29 Correct 738 ms 432 KB Output is correct
30 Correct 803 ms 432 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 781 ms 440 KB Output is correct
33 Correct 750 ms 432 KB Output is correct
34 Correct 650 ms 344 KB Output is correct
35 Correct 718 ms 428 KB Output is correct
36 Correct 761 ms 348 KB Output is correct
37 Correct 626 ms 344 KB Output is correct
38 Correct 823 ms 344 KB Output is correct
39 Correct 771 ms 428 KB Output is correct
40 Correct 487 ms 436 KB Output is correct
41 Correct 514 ms 344 KB Output is correct
42 Correct 0 ms 344 KB Output is correct
43 Correct 672 ms 436 KB Output is correct
44 Correct 758 ms 436 KB Output is correct
45 Correct 707 ms 436 KB Output is correct
46 Correct 827 ms 436 KB Output is correct
47 Correct 721 ms 596 KB Output is correct
48 Correct 693 ms 596 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 726 ms 428 KB Output is correct
51 Correct 738 ms 348 KB Output is correct
52 Correct 766 ms 344 KB Output is correct
53 Correct 281 ms 348 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 728 ms 348 KB Output is correct
56 Correct 709 ms 348 KB Output is correct
57 Correct 772 ms 348 KB Output is correct
58 Correct 830 ms 436 KB Output is correct
59 Correct 863 ms 432 KB Output is correct
60 Correct 670 ms 436 KB Output is correct
61 Correct 726 ms 596 KB Output is correct
62 Correct 796 ms 444 KB Output is correct
63 Correct 820 ms 348 KB Output is correct
64 Correct 773 ms 344 KB Output is correct
65 Correct 734 ms 432 KB Output is correct
66 Correct 739 ms 600 KB Output is correct
67 Correct 773 ms 348 KB Output is correct
68 Correct 769 ms 344 KB Output is correct
69 Correct 741 ms 344 KB Output is correct
70 Correct 802 ms 436 KB Output is correct
71 Correct 786 ms 436 KB Output is correct
72 Correct 712 ms 436 KB Output is correct
73 Correct 720 ms 432 KB Output is correct
74 Correct 711 ms 596 KB Output is correct
75 Correct 728 ms 440 KB Output is correct
76 Correct 758 ms 432 KB Output is correct
77 Correct 621 ms 592 KB Output is correct
78 Correct 578 ms 344 KB Output is correct
79 Correct 252 ms 432 KB Output is correct
80 Correct 1356 ms 484 KB Output is correct
81 Correct 1423 ms 600 KB Output is correct
82 Correct 945 ms 456 KB Output is correct
83 Correct 942 ms 460 KB Output is correct
84 Correct 1098 ms 348 KB Output is correct
85 Correct 954 ms 344 KB Output is correct
86 Correct 989 ms 460 KB Output is correct
87 Correct 1339 ms 344 KB Output is correct
88 Correct 0 ms 348 KB Output is correct
89 Correct 1403 ms 488 KB Output is correct
90 Correct 1496 ms 348 KB Output is correct
91 Correct 1397 ms 488 KB Output is correct
92 Correct 1453 ms 348 KB Output is correct
93 Correct 1395 ms 484 KB Output is correct
94 Correct 1410 ms 480 KB Output is correct
95 Correct 1394 ms 484 KB Output is correct
96 Correct 1280 ms 480 KB Output is correct
97 Correct 1194 ms 488 KB Output is correct
98 Correct 1297 ms 348 KB Output is correct
99 Correct 1201 ms 480 KB Output is correct
100 Correct 1282 ms 480 KB Output is correct
101 Correct 1164 ms 596 KB Output is correct
102 Correct 1242 ms 480 KB Output is correct
103 Correct 1266 ms 480 KB Output is correct
104 Correct 1255 ms 496 KB Output is correct
105 Correct 1252 ms 344 KB Output is correct
106 Correct 1160 ms 484 KB Output is correct
107 Correct 1245 ms 348 KB Output is correct
108 Correct 1198 ms 344 KB Output is correct
109 Correct 1303 ms 484 KB Output is correct
110 Correct 1295 ms 476 KB Output is correct
111 Correct 862 ms 348 KB Output is correct
112 Correct 946 ms 348 KB Output is correct
113 Correct 916 ms 428 KB Output is correct
114 Correct 1298 ms 484 KB Output is correct
115 Correct 1389 ms 484 KB Output is correct
116 Correct 1310 ms 348 KB Output is correct
# 결과 실행 시간 메모리 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 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 344 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 535 ms 432 KB Output is correct
20 Correct 747 ms 436 KB Output is correct
21 Correct 766 ms 432 KB Output is correct
22 Correct 627 ms 600 KB Output is correct
23 Correct 895 ms 436 KB Output is correct
24 Correct 680 ms 348 KB Output is correct
25 Correct 613 ms 600 KB Output is correct
26 Correct 639 ms 436 KB Output is correct
27 Correct 670 ms 444 KB Output is correct
28 Correct 686 ms 344 KB Output is correct
29 Correct 738 ms 432 KB Output is correct
30 Correct 803 ms 432 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 781 ms 440 KB Output is correct
33 Correct 750 ms 432 KB Output is correct
34 Correct 650 ms 344 KB Output is correct
35 Correct 718 ms 428 KB Output is correct
36 Correct 761 ms 348 KB Output is correct
37 Correct 626 ms 344 KB Output is correct
38 Correct 823 ms 344 KB Output is correct
39 Correct 771 ms 428 KB Output is correct
40 Correct 1 ms 344 KB Output is correct
41 Correct 1215 ms 2528 KB Output is correct
42 Correct 1296 ms 2684 KB Output is correct
43 Correct 1174 ms 2524 KB Output is correct
44 Correct 1156 ms 2528 KB Output is correct
45 Correct 1220 ms 2528 KB Output is correct
46 Correct 16 ms 1884 KB Output is correct
47 Correct 23 ms 2040 KB Output is correct
48 Correct 16 ms 2048 KB Output is correct
49 Correct 1507 ms 2684 KB Output is correct
50 Correct 562 ms 2396 KB Output is correct
51 Correct 499 ms 2396 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 1521 ms 2680 KB Output is correct
54 Correct 1503 ms 2528 KB Output is correct
55 Correct 1209 ms 2688 KB Output is correct
56 Correct 1376 ms 2424 KB Output is correct
57 Correct 1238 ms 2688 KB Output is correct
58 Correct 1178 ms 2516 KB Output is correct
59 Correct 1227 ms 2528 KB Output is correct
60 Correct 487 ms 436 KB Output is correct
61 Correct 514 ms 344 KB Output is correct
62 Correct 0 ms 344 KB Output is correct
63 Correct 672 ms 436 KB Output is correct
64 Correct 758 ms 436 KB Output is correct
65 Correct 707 ms 436 KB Output is correct
66 Correct 827 ms 436 KB Output is correct
67 Correct 721 ms 596 KB Output is correct
68 Correct 693 ms 596 KB Output is correct
69 Correct 0 ms 348 KB Output is correct
70 Correct 726 ms 428 KB Output is correct
71 Correct 738 ms 348 KB Output is correct
72 Correct 766 ms 344 KB Output is correct
73 Correct 281 ms 348 KB Output is correct
74 Correct 0 ms 348 KB Output is correct
75 Correct 728 ms 348 KB Output is correct
76 Correct 709 ms 348 KB Output is correct
77 Correct 772 ms 348 KB Output is correct
78 Correct 830 ms 436 KB Output is correct
79 Correct 863 ms 432 KB Output is correct
80 Correct 670 ms 436 KB Output is correct
81 Correct 726 ms 596 KB Output is correct
82 Correct 796 ms 444 KB Output is correct
83 Correct 820 ms 348 KB Output is correct
84 Correct 773 ms 344 KB Output is correct
85 Correct 734 ms 432 KB Output is correct
86 Correct 739 ms 600 KB Output is correct
87 Correct 773 ms 348 KB Output is correct
88 Correct 769 ms 344 KB Output is correct
89 Correct 741 ms 344 KB Output is correct
90 Correct 802 ms 436 KB Output is correct
91 Correct 786 ms 436 KB Output is correct
92 Correct 712 ms 436 KB Output is correct
93 Correct 720 ms 432 KB Output is correct
94 Correct 711 ms 596 KB Output is correct
95 Correct 728 ms 440 KB Output is correct
96 Correct 758 ms 432 KB Output is correct
97 Correct 621 ms 592 KB Output is correct
98 Correct 578 ms 344 KB Output is correct
99 Correct 252 ms 432 KB Output is correct
100 Correct 1356 ms 484 KB Output is correct
101 Correct 1423 ms 600 KB Output is correct
102 Correct 945 ms 456 KB Output is correct
103 Correct 942 ms 460 KB Output is correct
104 Correct 1098 ms 348 KB Output is correct
105 Correct 954 ms 344 KB Output is correct
106 Correct 989 ms 460 KB Output is correct
107 Correct 1339 ms 344 KB Output is correct
108 Correct 0 ms 348 KB Output is correct
109 Correct 1403 ms 488 KB Output is correct
110 Correct 1496 ms 348 KB Output is correct
111 Correct 1397 ms 488 KB Output is correct
112 Correct 1453 ms 348 KB Output is correct
113 Correct 1395 ms 484 KB Output is correct
114 Correct 1410 ms 480 KB Output is correct
115 Correct 1394 ms 484 KB Output is correct
116 Correct 1280 ms 480 KB Output is correct
117 Correct 1194 ms 488 KB Output is correct
118 Correct 1297 ms 348 KB Output is correct
119 Correct 1201 ms 480 KB Output is correct
120 Correct 1282 ms 480 KB Output is correct
121 Correct 1164 ms 596 KB Output is correct
122 Correct 1242 ms 480 KB Output is correct
123 Correct 1266 ms 480 KB Output is correct
124 Correct 1255 ms 496 KB Output is correct
125 Correct 1252 ms 344 KB Output is correct
126 Correct 1160 ms 484 KB Output is correct
127 Correct 1245 ms 348 KB Output is correct
128 Correct 1198 ms 344 KB Output is correct
129 Correct 1303 ms 484 KB Output is correct
130 Correct 1295 ms 476 KB Output is correct
131 Correct 862 ms 348 KB Output is correct
132 Correct 946 ms 348 KB Output is correct
133 Correct 916 ms 428 KB Output is correct
134 Correct 1298 ms 484 KB Output is correct
135 Correct 1389 ms 484 KB Output is correct
136 Correct 1310 ms 348 KB Output is correct
137 Correct 1448 ms 2528 KB Output is correct
138 Correct 1345 ms 2524 KB Output is correct
139 Correct 1517 ms 2528 KB Output is correct
140 Correct 1506 ms 2528 KB Output is correct
141 Correct 1442 ms 2556 KB Output is correct
142 Correct 1149 ms 704 KB Output is correct
143 Correct 1158 ms 600 KB Output is correct
144 Correct 1132 ms 696 KB Output is correct
145 Correct 1118 ms 700 KB Output is correct
146 Correct 1426 ms 704 KB Output is correct
147 Correct 1282 ms 600 KB Output is correct
148 Correct 0 ms 344 KB Output is correct
149 Correct 1443 ms 2692 KB Output is correct
150 Correct 1576 ms 2516 KB Output is correct
151 Correct 1352 ms 2524 KB Output is correct
152 Correct 1517 ms 2524 KB Output is correct
153 Correct 1592 ms 2528 KB Output is correct
154 Correct 1357 ms 2524 KB Output is correct
155 Correct 1440 ms 2528 KB Output is correct
156 Correct 1412 ms 2548 KB Output is correct
157 Correct 1328 ms 2528 KB Output is correct
158 Correct 1425 ms 2528 KB Output is correct
159 Correct 1375 ms 2272 KB Output is correct
160 Correct 1371 ms 2528 KB Output is correct
161 Correct 1415 ms 2528 KB Output is correct
162 Correct 1437 ms 2524 KB Output is correct
163 Correct 1454 ms 2268 KB Output is correct
164 Correct 1391 ms 2492 KB Output is correct
165 Correct 1407 ms 2464 KB Output is correct
166 Correct 1427 ms 2268 KB Output is correct
167 Correct 1412 ms 2516 KB Output is correct
168 Correct 1415 ms 2464 KB Output is correct
169 Incorrect 1225 ms 2376 KB Output isn't correct
170 Halted 0 ms 0 KB -