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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#135774 | #5251. Constellations | viniciuslettieri# | WA | 6156ms | 128592kb | C++20 | 2.6kb | 2023-08-06 00:06:55 | 2023-08-06 00:06:59 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
using lint = int64_t;
struct constellation{
lint num, den;
int i, j;
bool operator<(const constellation& o)const {
lint l = num * o.den, r = den * o.num;
if(l == r) return make_pair(i, j) < make_pair(o.i, o.j);
return l < r;
}
};
int main() {
cin.tie(nullptr)->sync_with_stdio(false);
int n;
cin>>n;
vector<int>x(n), y(n);
for(int i=0;i<n;i++) cin>>x[i]>>y[i];
vector<int>p(2*n-1), sz(2*n-1);
for(int i=0;i<n;i++) p[i] = i, sz[i] = 1;
vector<lint>s2x(n), s2y(n), sx(n), sy(n);
set<constellation>s;
for(int i=0;i<n;i++){
s2x[i] = x[i] * x[i];
s2y[i] = y[i] * y[i];
sx[i] = x[i];
sy[i] = y[i];
}
for(int i=0;i<n;i++){
for(int j=i+1;j<n;j++){
s.insert({s2x[i] + s2x[j] + s2y[i] + s2y[j]
- 2 * sx[i] * sx[j] - 2 * sy[i] * sy[j],
2, i, j});
}
}
auto find = [&](auto& self, int u)->int {
if(p[u] == u) return u;
return p[u] = self(self, p[u]);
};
auto join = [&](int u, int v)->int {
u = find(find, u);
v = find(find, v);
if(sz[u] < sz[v]) swap(u, v);
p[v] = u;
sz[u] += sz[v];
s2x[u] += s2x[v];
s2y[u] += s2y[v];
sx[u] += sx[v];
sy[u] += sy[v];
return u;
};
vector<bool>w(2*n-1);
for(int z=0;z<n-1;z++){
auto cur = *s.begin();
int i = find(find, cur.i), j = find(find, cur.j);
for(int k=0;k<n+z;k++){
if(w[k]) continue;
int l = find(find, k);
{
s.erase({sz[l] * (s2x[i] + s2y[i]) + sz[i] * (s2x[l] + s2y[l])
- 2 * sx[i] * sx[l] - 2 * sy[i] * sy[l],
sz[i] + sz[l], min(cur.i, k), max(cur.i, k)});
}
{
s.erase({sz[l] * (s2x[j] + s2y[j]) + sz[j] * (s2x[l] + s2y[l])
- 2 * sx[j] * sx[l] - 2 * sy[j] * sy[l],
sz[j] + sz[l], min(cur.j, k), max(cur.j, k)});
}
}
w[cur.i] = w[cur.j] = 1;
int c = join(i, j);
for(int k=0;k<n+z;k++){
if(w[k]) continue;
int l = find(find, k);
s.insert({sz[l] * (s2x[c] + s2y[c]) + sz[c] * (s2x[l] + s2y[l])
- 2 * sx[c] * sx[l] - 2 * sy[c] * sy[l],
sz[c] + sz[l], k, n + z});
}
p[n + z] = c;
cout<<sz[c]<<"\n";
}
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 3500kb
input:
2 0 0 1 0
output:
2
result:
ok single line: '2'
Test #2:
score: 0
Accepted
time: 2679ms
memory: 128576kb
input:
2000 1000 -1000 1000 -999 1000 -998 1000 -997 1000 -996 1000 -995 1000 -994 1000 -993 1000 -992 1000 -991 1000 -990 1000 -989 1000 -988 1000 -987 1000 -986 1000 -985 1000 -984 1000 -983 1000 -982 1000 -981 1000 -980 1000 -979 1000 -978 1000 -977 1000 -976 1000 -975 1000 -974 1000 -973 1000 -972 1000...
output:
2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 ...
result:
ok 1999 lines
Test #3:
score: 0
Accepted
time: 2701ms
memory: 128552kb
input:
2000 -1000 1000 -999 1000 -998 1000 -997 1000 -996 1000 -995 1000 -994 1000 -993 1000 -992 1000 -991 1000 -990 1000 -989 1000 -988 1000 -987 1000 -986 1000 -985 1000 -984 1000 -983 1000 -982 1000 -981 1000 -980 1000 -979 1000 -978 1000 -977 1000 -976 1000 -975 1000 -974 1000 -973 1000 -972 1000 -971...
output:
2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 ...
result:
ok 1999 lines
Test #4:
score: 0
Accepted
time: 2717ms
memory: 128512kb
input:
2000 -1000 -1000 -999 -1000 -998 -1000 -997 -1000 -996 -1000 -995 -1000 -994 -1000 -993 -1000 -992 -1000 -991 -1000 -990 -1000 -989 -1000 -988 -1000 -987 -1000 -986 -1000 -985 -1000 -984 -1000 -983 -1000 -982 -1000 -981 -1000 -980 -1000 -979 -1000 -978 -1000 -977 -1000 -976 -1000 -975 -1000 -974 -10...
output:
2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 ...
result:
ok 1999 lines
Test #5:
score: 0
Accepted
time: 2796ms
memory: 128512kb
input:
2000 -1000 -1000 -1000 -999 -1000 -998 -1000 -997 -1000 -996 -1000 -995 -1000 -994 -1000 -993 -1000 -992 -1000 -991 -1000 -990 -1000 -989 -1000 -988 -1000 -987 -1000 -986 -1000 -985 -1000 -984 -1000 -983 -1000 -982 -1000 -981 -1000 -980 -1000 -979 -1000 -978 -1000 -977 -1000 -976 -1000 -975 -1000 -9...
output:
2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 ...
result:
ok 1999 lines
Test #6:
score: 0
Accepted
time: 3741ms
memory: 128580kb
input:
2000 1000 -250 1000 -249 1000 -248 1000 -247 1000 -246 1000 -245 1000 -244 1000 -243 1000 -242 1000 -241 1000 -240 1000 -239 1000 -238 1000 -237 1000 -236 1000 -235 1000 -234 1000 -233 1000 -232 1000 -231 1000 -230 1000 -229 1000 -228 1000 -227 1000 -226 1000 -225 1000 -224 1000 -223 1000 -222 1000 ...
output:
2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 ...
result:
ok 1999 lines
Test #7:
score: 0
Accepted
time: 2789ms
memory: 128592kb
input:
2000 0 -1000 0 -999 0 -998 0 -997 0 -996 0 -995 0 -994 0 -993 0 -992 0 -991 0 -990 0 -989 0 -988 0 -987 0 -986 0 -985 0 -984 0 -983 0 -982 0 -981 0 -980 0 -979 0 -978 0 -977 0 -976 0 -975 0 -974 0 -973 0 -972 0 -971 0 -970 0 -969 0 -968 0 -967 0 -966 0 -965 0 -964 0 -963 0 -962 0 -961 0 -960 0 -959 ...
output:
2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 ...
result:
ok 1999 lines
Test #8:
score: -100
Wrong Answer
time: 6156ms
memory: 128512kb
input:
2000 -400 571 -725 636 -880 529 -657 372 -383 382 -746 888 -604 785 -497 557 -677 977 -562 917 -530 623 -636 535 -816 579 -633 428 -573 561 -496 479 -409 448 -570 379 -421 795 -827 865 -730 809 -423 984 -676 772 -398 816 -451 373 -756 777 -351 829 -954 345 -543 871 -595 521 -501 734 -378 769 -987 60...
output:
2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3 2 2 2 2 2 2 3 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3 2 2 2 ...
result:
wrong answer 43rd lines differ - expected: '3', found: '2'