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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#714691 | #5676. Counting Pythagorean Triples | zeyu# | AC ✓ | 16ms | 3768kb | C++23 | 2.3kb | 2024-11-06 02:35:01 | 2024-11-06 02:35:04 |
Judging History
answer
#include <bits/stdc++.h>
#define fi first
#define se second
#define ll long long
#define pl pair<ll, ll>
#define pi pair<int, int>
#define minpq priority_queue<ll, vector<ll>, greater<ll>>
using namespace std;
#if 1
void __print(int x) {cerr << x;}
void __print(long x) {cerr << x;}
void __print(long long x) {cerr << x;}
void __print(unsigned x) {cerr << x;}
void __print(unsigned long x) {cerr << x;}
void __print(unsigned long long x) {cerr << x;}
void __print(float x) {cerr << x;}
void __print(double x) {cerr << x;}
void __print(long double x) {cerr << x;}
void __print(char x) {cerr << '\'' << x << '\'';}
void __print(const char *x) {cerr << '\"' << x << '\"';}
void __print(const string &x) {cerr << '\"' << x << '\"';}
void __print(bool x) {cerr << (x ? "true" : "false");}
template<typename T, typename V>
void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}';}
template<typename T>
void __print(const T &x) {int f = 0; cerr << '['; for (auto &i: x) cerr << (f++ ? "," : ""), __print(i); cerr << "]";}
void _print() {cerr << endl << flush;}
template <typename T, typename... V>
void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);}
#define debug(x...) cerr << "*["<<__LINE__<<"]\t"<< #x << " = "; _print(x)
#endif
const ll mod = 1e9 + 7;
template<typename T> bool chkmin(T &a, T b){return (b < a) ? a = b, 1 : 0;}
template<typename T> bool chkmax(T &a, T b){return (b > a) ? a = b, 1 : 0;}
ll gcd(ll a, ll b) {if(b == 0){return a;} return gcd(b, a % b);}
bool issq(ll x){
ll y = floor(sqrt(x));
if (y * y == x || (y + 1) * (y + 1) == x) return true;
return false;
}
ll getsq(ll x){
ll y = floor(sqrt(x));
if (y * y == x) return y;
return y + 1;
}
int ans[4];
int main(){
ios::sync_with_stdio(false);
cin.tie(0);
ll n; cin >> n;
for (ll i = 1; i < n; i ++){
if (issq(n * n - i * i)){
ll j = getsq(n * n - i * i);
if (j > i) continue;
if (gcd(gcd(i, j), n) == 1){
ans[0] ++;
} else{
ans[1] ++;
}
}
}
for (ll i = 1; i < n * n; i ++){
if (issq(n * n + i * i)){
ll j = getsq(n * n + i * i);
if (gcd(gcd(i, j), n) == 1){
ans[2] ++;
} else{
ans[3] ++;
}
}
}
for (int i = 0; i < 4; i ++) cout << ans[i] << ' ';
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 1ms
memory: 3768kb
input:
65
output:
2 2 2 2
result:
ok single line: '2 2 2 2 '
Test #2:
score: 0
Accepted
time: 0ms
memory: 3640kb
input:
64
output:
0 0 1 4
result:
ok single line: '0 0 1 4 '
Test #3:
score: 0
Accepted
time: 7ms
memory: 3636kb
input:
2023
output:
0 2 2 5
result:
ok single line: '0 2 2 5 '
Test #4:
score: 0
Accepted
time: 7ms
memory: 3664kb
input:
1560
output:
0 4 8 59
result:
ok single line: '0 4 8 59 '
Test #5:
score: 0
Accepted
time: 7ms
memory: 3664kb
input:
1625
output:
2 8 2 8
result:
ok single line: '2 8 2 8 '
Test #6:
score: 0
Accepted
time: 10ms
memory: 3696kb
input:
1888
output:
0 0 2 11
result:
ok single line: '0 0 2 11 '
Test #7:
score: 0
Accepted
time: 13ms
memory: 3712kb
input:
2125
output:
2 8 2 8
result:
ok single line: '2 8 2 8 '
Test #8:
score: 0
Accepted
time: 10ms
memory: 3716kb
input:
1950
output:
0 7 0 22
result:
ok single line: '0 7 0 22 '
Test #9:
score: 0
Accepted
time: 13ms
memory: 3760kb
input:
2477
output:
1 0 1 0
result:
ok single line: '1 0 1 0 '
Test #10:
score: 0
Accepted
time: 8ms
memory: 3572kb
input:
1728
output:
0 0 2 36
result:
ok single line: '0 0 2 36 '
Test #11:
score: 0
Accepted
time: 14ms
memory: 3724kb
input:
2249
output:
2 2 2 2
result:
ok single line: '2 2 2 2 '
Test #12:
score: 0
Accepted
time: 13ms
memory: 3700kb
input:
2176
output:
0 1 2 17
result:
ok single line: '0 1 2 17 '
Test #13:
score: 0
Accepted
time: 16ms
memory: 3568kb
input:
2467
output:
0 0 1 0
result:
ok single line: '0 0 1 0 '
Test #14:
score: 0
Accepted
time: 10ms
memory: 3696kb
input:
1898
output:
0 4 0 4
result:
ok single line: '0 4 0 4 '
Test #15:
score: 0
Accepted
time: 11ms
memory: 3712kb
input:
2048
output:
0 0 1 9
result:
ok single line: '0 0 1 9 '
Test #16:
score: 0
Accepted
time: 9ms
memory: 3684kb
input:
1875
output:
0 4 2 11
result:
ok single line: '0 4 2 11 '
Test #17:
score: 0
Accepted
time: 13ms
memory: 3632kb
input:
2187
output:
0 0 1 6
result:
ok single line: '0 0 1 6 '
Test #18:
score: 0
Accepted
time: 16ms
memory: 3660kb
input:
2431
output:
0 4 4 9
result:
ok single line: '0 4 4 9 '
Test #19:
score: 0
Accepted
time: 11ms
memory: 3628kb
input:
2028
output:
0 2 4 18
result:
ok single line: '0 2 4 18 '
Test #20:
score: 0
Accepted
time: 4ms
memory: 3700kb
input:
1105
output:
4 9 4 9
result:
ok single line: '4 9 4 9 '
Test #21:
score: 0
Accepted
time: 10ms
memory: 3712kb
input:
2210
output:
0 13 0 13
result:
ok single line: '0 13 0 13 '
Test #22:
score: 0
Accepted
time: 16ms
memory: 3696kb
input:
2465
output:
4 9 4 9
result:
ok single line: '4 9 4 9 '
Test #23:
score: 0
Accepted
time: 13ms
memory: 3680kb
input:
2187
output:
0 0 1 6
result:
ok single line: '0 0 1 6 '