Submission #1038159

# Submission time Handle Problem Language Result Execution time Memory
1038159 2024-07-29T13:37:13 Z holyhell Portal (BOI24_portal) C++17
100 / 100
48 ms 6232 KB
#include<bits/stdc++.h>
using namespace std;
long long x[301010],y[301010];
#define p64 pair<long long,long long>
long long f(p64 a, p64 b){return abs(a.first*b.second-a.second*b.first);}
long long gcd(long long a, long long b){return b?gcd(b,a%b):a;}
p64 gcd(p64 a, p64 b){return {gcd(a.first,b.first),gcd(a.second,b.second)};}
bool lin(p64 a, p64 b){return f(a,b)==0;}
p64 operator-(p64 a, p64 b){return {a.first-b.first,a.second-b.second};}
p64 operator*(p64 a, long long b){return {a.first*b,a.second*b};}
#define X 1000000007
long long exp_mod(long long a, long long b, long long m){
    long long out=1;
    for(;b;b>>=1){
        if(b&1)out=1ll*out*a%m;
        a=1ll*a*a%m;
    } return out;
}
pair<p64,p64> get(pair<p64,p64>a, p64 b){
    if(lin(a.first,a.second)){
        a.first=gcd(a.first,a.second);
        a.second=b;
        return a;
    }if(lin(a.first,b)){
        a.first=gcd(a.first,b);
        return a;
    }if(lin(a.second,b)){
        a.second=gcd(a.second,b);
        return a;
    } long long xx=a.first.first*a.second.second-a.first.second*a.second.first;
    long long aa=b.first*a.second.second-b.second*a.second.first; aa/=xx;
    long long bb=b.second*a.first.first-b.first*a.first.second; bb/=xx;
    p64 rem=b-a.first*aa-a.second*bb;
    return get({a.first,rem},a.second);
}
int main(){
    long long n; cin>>n;
    for(long long i=0;i<n;i++)cin>>x[i]>>y[i];
    for(long long i=0;i<n;i++) x[i]-=x[n-1],y[i]-=y[n-1];
    --n;
    pair<p64,p64>ans; ans.first={x[0],y[0]}; long long i;
    for(i=1;i<n;i++)if(!lin(ans.first,{x[i],y[i]})){
            ans.second={x[i],y[i]};
            break;
        } if(i==n){
        cout<<-1;return 0;

    }for(i=1;i<n;i++)ans=get(ans,{x[i],y[i]});
    long long out=f(ans.first,ans.second);
    if(out==0)cout<<-1;
    else cout<<out;
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2500 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 0 ms 2396 KB Output is correct
11 Correct 0 ms 2396 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2392 KB Output is correct
15 Correct 0 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2488 KB Output is correct
18 Correct 0 ms 2396 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2500 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 0 ms 2396 KB Output is correct
11 Correct 0 ms 2396 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2392 KB Output is correct
15 Correct 0 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2488 KB Output is correct
18 Correct 0 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 0 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 0 ms 2396 KB Output is correct
23 Correct 0 ms 2396 KB Output is correct
24 Correct 0 ms 2492 KB Output is correct
25 Correct 0 ms 2396 KB Output is correct
26 Correct 1 ms 2396 KB Output is correct
27 Correct 1 ms 2396 KB Output is correct
28 Correct 0 ms 2396 KB Output is correct
29 Correct 0 ms 2396 KB Output is correct
30 Correct 0 ms 2396 KB Output is correct
31 Correct 1 ms 2652 KB Output is correct
32 Correct 0 ms 2396 KB Output is correct
33 Correct 1 ms 2396 KB Output is correct
34 Correct 1 ms 2396 KB Output is correct
35 Correct 0 ms 2396 KB Output is correct
36 Correct 1 ms 2396 KB Output is correct
37 Correct 1 ms 2396 KB Output is correct
38 Correct 0 ms 2396 KB Output is correct
39 Correct 0 ms 2396 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 39 ms 4724 KB Output is correct
3 Correct 40 ms 5976 KB Output is correct
4 Correct 39 ms 5976 KB Output is correct
5 Correct 40 ms 6232 KB Output is correct
6 Correct 42 ms 5980 KB Output is correct
7 Correct 36 ms 5968 KB Output is correct
8 Correct 42 ms 5968 KB Output is correct
9 Correct 43 ms 5980 KB Output is correct
10 Correct 37 ms 5976 KB Output is correct
11 Correct 42 ms 5964 KB Output is correct
12 Correct 39 ms 6148 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 39 ms 5980 KB Output is correct
15 Correct 39 ms 5976 KB Output is correct
16 Correct 39 ms 5976 KB Output is correct
17 Correct 38 ms 5936 KB Output is correct
18 Correct 39 ms 5972 KB Output is correct
19 Correct 48 ms 6084 KB Output is correct
20 Correct 40 ms 5972 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 0 ms 2396 KB Output is correct
10 Correct 0 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2392 KB Output is correct
13 Correct 1 ms 2392 KB Output is correct
14 Correct 0 ms 2396 KB Output is correct
15 Correct 1 ms 2392 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2480 KB Output is correct
19 Correct 0 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 0 ms 2396 KB Output is correct
22 Correct 1 ms 2392 KB Output is correct
23 Correct 0 ms 2396 KB Output is correct
24 Correct 0 ms 2396 KB Output is correct
25 Correct 0 ms 2392 KB Output is correct
26 Correct 1 ms 2440 KB Output is correct
27 Correct 0 ms 2396 KB Output is correct
28 Correct 0 ms 2396 KB Output is correct
29 Correct 0 ms 2396 KB Output is correct
30 Correct 0 ms 2396 KB Output is correct
31 Correct 0 ms 2396 KB Output is correct
32 Correct 0 ms 2396 KB Output is correct
33 Correct 1 ms 2488 KB Output is correct
34 Correct 0 ms 2396 KB Output is correct
35 Correct 1 ms 2396 KB Output is correct
36 Correct 0 ms 2396 KB Output is correct
37 Correct 0 ms 2396 KB Output is correct
38 Correct 0 ms 2396 KB Output is correct
39 Correct 0 ms 2408 KB Output is correct
40 Correct 1 ms 2392 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2500 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 0 ms 2396 KB Output is correct
11 Correct 0 ms 2396 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2392 KB Output is correct
15 Correct 0 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2488 KB Output is correct
18 Correct 0 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 0 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 0 ms 2396 KB Output is correct
23 Correct 0 ms 2396 KB Output is correct
24 Correct 0 ms 2492 KB Output is correct
25 Correct 0 ms 2396 KB Output is correct
26 Correct 1 ms 2396 KB Output is correct
27 Correct 1 ms 2396 KB Output is correct
28 Correct 0 ms 2396 KB Output is correct
29 Correct 0 ms 2396 KB Output is correct
30 Correct 0 ms 2396 KB Output is correct
31 Correct 1 ms 2652 KB Output is correct
32 Correct 0 ms 2396 KB Output is correct
33 Correct 1 ms 2396 KB Output is correct
34 Correct 1 ms 2396 KB Output is correct
35 Correct 0 ms 2396 KB Output is correct
36 Correct 1 ms 2396 KB Output is correct
37 Correct 1 ms 2396 KB Output is correct
38 Correct 0 ms 2396 KB Output is correct
39 Correct 0 ms 2396 KB Output is correct
40 Correct 1 ms 2396 KB Output is correct
41 Correct 1 ms 2396 KB Output is correct
42 Correct 0 ms 2396 KB Output is correct
43 Correct 0 ms 2396 KB Output is correct
44 Correct 0 ms 2396 KB Output is correct
45 Correct 1 ms 2396 KB Output is correct
46 Correct 0 ms 2396 KB Output is correct
47 Correct 1 ms 2396 KB Output is correct
48 Correct 0 ms 2396 KB Output is correct
49 Correct 0 ms 2396 KB Output is correct
50 Correct 1 ms 2396 KB Output is correct
51 Correct 1 ms 2392 KB Output is correct
52 Correct 1 ms 2392 KB Output is correct
53 Correct 0 ms 2396 KB Output is correct
54 Correct 1 ms 2392 KB Output is correct
55 Correct 0 ms 2396 KB Output is correct
56 Correct 1 ms 2396 KB Output is correct
57 Correct 1 ms 2480 KB Output is correct
58 Correct 0 ms 2396 KB Output is correct
59 Correct 1 ms 2396 KB Output is correct
60 Correct 0 ms 2396 KB Output is correct
61 Correct 1 ms 2392 KB Output is correct
62 Correct 0 ms 2396 KB Output is correct
63 Correct 0 ms 2396 KB Output is correct
64 Correct 0 ms 2392 KB Output is correct
65 Correct 1 ms 2440 KB Output is correct
66 Correct 0 ms 2396 KB Output is correct
67 Correct 0 ms 2396 KB Output is correct
68 Correct 0 ms 2396 KB Output is correct
69 Correct 0 ms 2396 KB Output is correct
70 Correct 0 ms 2396 KB Output is correct
71 Correct 0 ms 2396 KB Output is correct
72 Correct 1 ms 2488 KB Output is correct
73 Correct 0 ms 2396 KB Output is correct
74 Correct 1 ms 2396 KB Output is correct
75 Correct 0 ms 2396 KB Output is correct
76 Correct 0 ms 2396 KB Output is correct
77 Correct 0 ms 2396 KB Output is correct
78 Correct 0 ms 2408 KB Output is correct
79 Correct 1 ms 2392 KB Output is correct
80 Correct 2 ms 2396 KB Output is correct
81 Correct 2 ms 2396 KB Output is correct
82 Correct 1 ms 2500 KB Output is correct
83 Correct 1 ms 2392 KB Output is correct
84 Correct 1 ms 2396 KB Output is correct
85 Correct 1 ms 2392 KB Output is correct
86 Correct 1 ms 2396 KB Output is correct
87 Correct 1 ms 2396 KB Output is correct
88 Correct 1 ms 2392 KB Output is correct
89 Correct 1 ms 2396 KB Output is correct
90 Correct 1 ms 2532 KB Output is correct
91 Correct 1 ms 2396 KB Output is correct
92 Correct 1 ms 2504 KB Output is correct
93 Correct 1 ms 2396 KB Output is correct
94 Correct 1 ms 2396 KB Output is correct
95 Correct 1 ms 2500 KB Output is correct
96 Correct 1 ms 2396 KB Output is correct
97 Correct 1 ms 2392 KB Output is correct
98 Correct 1 ms 2396 KB Output is correct
99 Correct 1 ms 2396 KB Output is correct
100 Correct 2 ms 2396 KB Output is correct
101 Correct 1 ms 2528 KB Output is correct
102 Correct 1 ms 2396 KB Output is correct
103 Correct 1 ms 2652 KB Output is correct
104 Correct 2 ms 2652 KB Output is correct
105 Correct 1 ms 2528 KB Output is correct
106 Correct 2 ms 2392 KB Output is correct
107 Correct 2 ms 2392 KB Output is correct
108 Correct 1 ms 2528 KB Output is correct
109 Correct 1 ms 2396 KB Output is correct
110 Correct 1 ms 2396 KB Output is correct
111 Correct 0 ms 2396 KB Output is correct
112 Correct 0 ms 2396 KB Output is correct
113 Correct 0 ms 2396 KB Output is correct
114 Correct 1 ms 2396 KB Output is correct
115 Correct 1 ms 2540 KB Output is correct
116 Correct 2 ms 2396 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2500 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 0 ms 2396 KB Output is correct
11 Correct 0 ms 2396 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2392 KB Output is correct
15 Correct 0 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2488 KB Output is correct
18 Correct 0 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 0 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 0 ms 2396 KB Output is correct
23 Correct 0 ms 2396 KB Output is correct
24 Correct 0 ms 2492 KB Output is correct
25 Correct 0 ms 2396 KB Output is correct
26 Correct 1 ms 2396 KB Output is correct
27 Correct 1 ms 2396 KB Output is correct
28 Correct 0 ms 2396 KB Output is correct
29 Correct 0 ms 2396 KB Output is correct
30 Correct 0 ms 2396 KB Output is correct
31 Correct 1 ms 2652 KB Output is correct
32 Correct 0 ms 2396 KB Output is correct
33 Correct 1 ms 2396 KB Output is correct
34 Correct 1 ms 2396 KB Output is correct
35 Correct 0 ms 2396 KB Output is correct
36 Correct 1 ms 2396 KB Output is correct
37 Correct 1 ms 2396 KB Output is correct
38 Correct 0 ms 2396 KB Output is correct
39 Correct 0 ms 2396 KB Output is correct
40 Correct 1 ms 2396 KB Output is correct
41 Correct 39 ms 4724 KB Output is correct
42 Correct 40 ms 5976 KB Output is correct
43 Correct 39 ms 5976 KB Output is correct
44 Correct 40 ms 6232 KB Output is correct
45 Correct 42 ms 5980 KB Output is correct
46 Correct 36 ms 5968 KB Output is correct
47 Correct 42 ms 5968 KB Output is correct
48 Correct 43 ms 5980 KB Output is correct
49 Correct 37 ms 5976 KB Output is correct
50 Correct 42 ms 5964 KB Output is correct
51 Correct 39 ms 6148 KB Output is correct
52 Correct 1 ms 2396 KB Output is correct
53 Correct 39 ms 5980 KB Output is correct
54 Correct 39 ms 5976 KB Output is correct
55 Correct 39 ms 5976 KB Output is correct
56 Correct 38 ms 5936 KB Output is correct
57 Correct 39 ms 5972 KB Output is correct
58 Correct 48 ms 6084 KB Output is correct
59 Correct 40 ms 5972 KB Output is correct
60 Correct 1 ms 2396 KB Output is correct
61 Correct 1 ms 2396 KB Output is correct
62 Correct 0 ms 2396 KB Output is correct
63 Correct 0 ms 2396 KB Output is correct
64 Correct 0 ms 2396 KB Output is correct
65 Correct 1 ms 2396 KB Output is correct
66 Correct 0 ms 2396 KB Output is correct
67 Correct 1 ms 2396 KB Output is correct
68 Correct 0 ms 2396 KB Output is correct
69 Correct 0 ms 2396 KB Output is correct
70 Correct 1 ms 2396 KB Output is correct
71 Correct 1 ms 2392 KB Output is correct
72 Correct 1 ms 2392 KB Output is correct
73 Correct 0 ms 2396 KB Output is correct
74 Correct 1 ms 2392 KB Output is correct
75 Correct 0 ms 2396 KB Output is correct
76 Correct 1 ms 2396 KB Output is correct
77 Correct 1 ms 2480 KB Output is correct
78 Correct 0 ms 2396 KB Output is correct
79 Correct 1 ms 2396 KB Output is correct
80 Correct 0 ms 2396 KB Output is correct
81 Correct 1 ms 2392 KB Output is correct
82 Correct 0 ms 2396 KB Output is correct
83 Correct 0 ms 2396 KB Output is correct
84 Correct 0 ms 2392 KB Output is correct
85 Correct 1 ms 2440 KB Output is correct
86 Correct 0 ms 2396 KB Output is correct
87 Correct 0 ms 2396 KB Output is correct
88 Correct 0 ms 2396 KB Output is correct
89 Correct 0 ms 2396 KB Output is correct
90 Correct 0 ms 2396 KB Output is correct
91 Correct 0 ms 2396 KB Output is correct
92 Correct 1 ms 2488 KB Output is correct
93 Correct 0 ms 2396 KB Output is correct
94 Correct 1 ms 2396 KB Output is correct
95 Correct 0 ms 2396 KB Output is correct
96 Correct 0 ms 2396 KB Output is correct
97 Correct 0 ms 2396 KB Output is correct
98 Correct 0 ms 2408 KB Output is correct
99 Correct 1 ms 2392 KB Output is correct
100 Correct 2 ms 2396 KB Output is correct
101 Correct 2 ms 2396 KB Output is correct
102 Correct 1 ms 2500 KB Output is correct
103 Correct 1 ms 2392 KB Output is correct
104 Correct 1 ms 2396 KB Output is correct
105 Correct 1 ms 2392 KB Output is correct
106 Correct 1 ms 2396 KB Output is correct
107 Correct 1 ms 2396 KB Output is correct
108 Correct 1 ms 2392 KB Output is correct
109 Correct 1 ms 2396 KB Output is correct
110 Correct 1 ms 2532 KB Output is correct
111 Correct 1 ms 2396 KB Output is correct
112 Correct 1 ms 2504 KB Output is correct
113 Correct 1 ms 2396 KB Output is correct
114 Correct 1 ms 2396 KB Output is correct
115 Correct 1 ms 2500 KB Output is correct
116 Correct 1 ms 2396 KB Output is correct
117 Correct 1 ms 2392 KB Output is correct
118 Correct 1 ms 2396 KB Output is correct
119 Correct 1 ms 2396 KB Output is correct
120 Correct 2 ms 2396 KB Output is correct
121 Correct 1 ms 2528 KB Output is correct
122 Correct 1 ms 2396 KB Output is correct
123 Correct 1 ms 2652 KB Output is correct
124 Correct 2 ms 2652 KB Output is correct
125 Correct 1 ms 2528 KB Output is correct
126 Correct 2 ms 2392 KB Output is correct
127 Correct 2 ms 2392 KB Output is correct
128 Correct 1 ms 2528 KB Output is correct
129 Correct 1 ms 2396 KB Output is correct
130 Correct 1 ms 2396 KB Output is correct
131 Correct 0 ms 2396 KB Output is correct
132 Correct 0 ms 2396 KB Output is correct
133 Correct 0 ms 2396 KB Output is correct
134 Correct 1 ms 2396 KB Output is correct
135 Correct 1 ms 2540 KB Output is correct
136 Correct 2 ms 2396 KB Output is correct
137 Correct 43 ms 5972 KB Output is correct
138 Correct 39 ms 5964 KB Output is correct
139 Correct 38 ms 5972 KB Output is correct
140 Correct 38 ms 5976 KB Output is correct
141 Correct 39 ms 5840 KB Output is correct
142 Correct 3 ms 2648 KB Output is correct
143 Correct 4 ms 2652 KB Output is correct
144 Correct 3 ms 2652 KB Output is correct
145 Correct 5 ms 2652 KB Output is correct
146 Correct 7 ms 2648 KB Output is correct
147 Correct 5 ms 2612 KB Output is correct
148 Correct 0 ms 2492 KB Output is correct
149 Correct 39 ms 5984 KB Output is correct
150 Correct 38 ms 5968 KB Output is correct
151 Correct 38 ms 5976 KB Output is correct
152 Correct 39 ms 5980 KB Output is correct
153 Correct 38 ms 5968 KB Output is correct
154 Correct 38 ms 5980 KB Output is correct
155 Correct 47 ms 5972 KB Output is correct
156 Correct 43 ms 5976 KB Output is correct
157 Correct 37 ms 5832 KB Output is correct
158 Correct 37 ms 5964 KB Output is correct
159 Correct 34 ms 5712 KB Output is correct
160 Correct 38 ms 5968 KB Output is correct
161 Correct 39 ms 5832 KB Output is correct
162 Correct 37 ms 5964 KB Output is correct
163 Correct 36 ms 5980 KB Output is correct
164 Correct 34 ms 5724 KB Output is correct
165 Correct 33 ms 5932 KB Output is correct
166 Correct 32 ms 5832 KB Output is correct
167 Correct 36 ms 5972 KB Output is correct
168 Correct 35 ms 5724 KB Output is correct
169 Correct 31 ms 5724 KB Output is correct
170 Correct 33 ms 5824 KB Output is correct
171 Correct 0 ms 2652 KB Output is correct
172 Correct 0 ms 2396 KB Output is correct
173 Correct 1 ms 2492 KB Output is correct