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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 |
---|---|---|---|---|---|---|---|---|---|
#723928 | #5676. Counting Pythagorean Triples | BackToSquare1 | AC ✓ | 290ms | 33588kb | C++20 | 1.8kb | 2024-11-08 03:49:36 | 2024-11-08 03:49:37 |
Judging History
answer
#include <bits/stdc++.h>
// #include <ext/pb_ds/assoc_container.hpp>
// #include <ext/pb_ds/tree_policy.hpp>
using namespace std;
// using namespace __gnu_pbds;
typedef long long ll;
typedef long double ld;
typedef pair<ll, ll> pl;
typedef pair<ld,ld> pd;
typedef vector<ll> vl;
// typedef tree<ll, null_type, less<ll>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;
#define G(x) ll x; cin >> x;
#define F(i, l, r) for (ll i = l; i < (r); ++i)
#define all(a) begin(a), end(a)
#define K first
#define V second
#define OK(i,j) i >= 0 && i < n && j >= 0 && j < m
#define NN 2505
#define MM 5005
#define MOD 1000007
ll A[NN], B[NN], C[NN];
set<vector<ll>> seen;
void solve() {
ll n;
cin >> n;
ll u = 1, v;
ll a, b, c;
while(u < 1251) {
v = 1;
while(v < u) {
if(v > 1 && gcd(u,v) > 1) {
v++;
continue;
}
a = min(u*u-v*v,2*u*v);
b = max(u*u-v*v,2*u*v);
c = u*u+v*v;
if(gcd(gcd(a,b),c) > 1) {
v++;
continue;
}
if(seen.count({a,b,c}) == 0) {
seen.insert({a,b,c});
if(a < NN) A[a]++;
if(b < NN) B[b]++;
if(c < NN) C[c]++;
}
v++;
}
u++;
}
ll ans[4];
ans[0] = C[n];
ans[1] = 0;
for(ll i=2;i<n;i++) if(n%i == 0) ans[1] += C[i];
ans[2] = A[n] + B[n];
ans[3] = 0;
for(ll i=2;i<n;i++) if(n%i == 0) ans[3] += A[i] + B[i];
cout << ans[0] << ' ' << ans[1] << ' ' << ans[2] << ' ' << ans[3] << '\n';
}
int main() {
cin.tie(0)->sync_with_stdio(0);
cout << fixed << setprecision(10);
solve();
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 290ms
memory: 33372kb
input:
65
output:
2 2 2 2
result:
ok single line: '2 2 2 2'
Test #2:
score: 0
Accepted
time: 259ms
memory: 33360kb
input:
64
output:
0 0 1 4
result:
ok single line: '0 0 1 4'
Test #3:
score: 0
Accepted
time: 265ms
memory: 33292kb
input:
2023
output:
0 2 2 5
result:
ok single line: '0 2 2 5'
Test #4:
score: 0
Accepted
time: 260ms
memory: 33512kb
input:
1560
output:
0 4 8 59
result:
ok single line: '0 4 8 59'
Test #5:
score: 0
Accepted
time: 272ms
memory: 33572kb
input:
1625
output:
2 8 2 8
result:
ok single line: '2 8 2 8'
Test #6:
score: 0
Accepted
time: 272ms
memory: 33292kb
input:
1888
output:
0 0 2 11
result:
ok single line: '0 0 2 11'
Test #7:
score: 0
Accepted
time: 268ms
memory: 33508kb
input:
2125
output:
2 8 2 8
result:
ok single line: '2 8 2 8'
Test #8:
score: 0
Accepted
time: 278ms
memory: 33292kb
input:
1950
output:
0 7 0 22
result:
ok single line: '0 7 0 22'
Test #9:
score: 0
Accepted
time: 254ms
memory: 33312kb
input:
2477
output:
1 0 1 0
result:
ok single line: '1 0 1 0'
Test #10:
score: 0
Accepted
time: 266ms
memory: 33312kb
input:
1728
output:
0 0 2 36
result:
ok single line: '0 0 2 36'
Test #11:
score: 0
Accepted
time: 278ms
memory: 33288kb
input:
2249
output:
2 2 2 2
result:
ok single line: '2 2 2 2'
Test #12:
score: 0
Accepted
time: 260ms
memory: 33284kb
input:
2176
output:
0 1 2 17
result:
ok single line: '0 1 2 17'
Test #13:
score: 0
Accepted
time: 277ms
memory: 33288kb
input:
2467
output:
0 0 1 0
result:
ok single line: '0 0 1 0'
Test #14:
score: 0
Accepted
time: 266ms
memory: 33588kb
input:
1898
output:
0 4 0 4
result:
ok single line: '0 4 0 4'
Test #15:
score: 0
Accepted
time: 256ms
memory: 33292kb
input:
2048
output:
0 0 1 9
result:
ok single line: '0 0 1 9'
Test #16:
score: 0
Accepted
time: 272ms
memory: 33244kb
input:
1875
output:
0 4 2 11
result:
ok single line: '0 4 2 11'
Test #17:
score: 0
Accepted
time: 264ms
memory: 33352kb
input:
2187
output:
0 0 1 6
result:
ok single line: '0 0 1 6'
Test #18:
score: 0
Accepted
time: 267ms
memory: 33380kb
input:
2431
output:
0 4 4 9
result:
ok single line: '0 4 4 9'
Test #19:
score: 0
Accepted
time: 266ms
memory: 33304kb
input:
2028
output:
0 2 4 18
result:
ok single line: '0 2 4 18'
Test #20:
score: 0
Accepted
time: 267ms
memory: 33356kb
input:
1105
output:
4 9 4 9
result:
ok single line: '4 9 4 9'
Test #21:
score: 0
Accepted
time: 266ms
memory: 33244kb
input:
2210
output:
0 13 0 13
result:
ok single line: '0 13 0 13'
Test #22:
score: 0
Accepted
time: 267ms
memory: 33352kb
input:
2465
output:
4 9 4 9
result:
ok single line: '4 9 4 9'
Test #23:
score: 0
Accepted
time: 282ms
memory: 33512kb
input:
2187
output:
0 0 1 6
result:
ok single line: '0 0 1 6'