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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 |
---|---|---|---|---|---|---|---|---|---|
#821026 | #9868. GCD | yeVegeTable | WA | 17ms | 5144kb | C++20 | 1.8kb | 2024-12-19 11:43:12 | 2024-12-19 11:43:18 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
typedef long long ll;
typedef unsigned long long ull;
typedef __int128 lll;
typedef pair<ll, ll> P;
#define x first
#define y second
#define int long long
const int mod = 1e9 + 7;
const int pp = 998244353;
const int dx[8] = {-1, 0, 1, 0, -1, -1, 1, 1}, dy[8] = {0, 1, 0, -1, -1, 1, -1, 1};
const int ddx[8] = {1, 1, 2, 2, -1, -1, -2, -2}, ddy[8] = {2, -2, 1, -1, 2, -2, 1, -1};
ll ksm(ll a, ll b, ll p) {
ll ans = 1;
a %= p;
while(b) {
if(b & 1) ans = (ans * a) % p;
b >>= 1;
a = (a * a) % p;
}
return ans % p;
}
std::mt19937 rng; // 随机数生成器
int rand(int l, int r) {
std::uniform_int_distribution<int> distribution(l, r);
return distribution(rng);
}
void solve() {
int a, b;
cin >> a >> b;
map<P, int> mp;
auto dfs = [&](auto && self, int x, int y, int dep) -> int {
if(dep > 50) return 100;
if(x == 0 && y == 0) return 0;
if(x == 0 || y == 0) {
return 1;
}
if(x % y == 0 || y % x == 0) {
return mp[{x, y}] = 2;
}
// cerr << "x : " << x << ", y : " << y << endl;
int g = __gcd(x, y);
x /= g;
y /= g;
if(mp.count({x, y})) return mp[{x, y}];
int mn = 1e9;
mn = min(mn, self(self, x - 1, y, dep + 1) + 1);
mn = min(mn, self(self, x, y - 1, dep + 1) + 1);
return mp[{x, y}] = mn;
};
cout << dfs(dfs, a, b, 0) << endl;
}
/*
*/
signed main () {
// init(minp, primes, m); // primes
ios::sync_with_stdio(0);
cin.tie(0), cout.tie(0);
// init();
int _ = 1;
cin >> _;
while(_ -- ) {
solve();
}
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 1ms
memory: 3660kb
input:
3 3 4 12 20 114 514
output:
3 4 6
result:
ok 3 lines
Test #2:
score: 0
Accepted
time: 8ms
memory: 3520kb
input:
990 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 59 1 60 2 3 2 4 2...
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 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 2 3 4 2 3 3 2 3 4 2 3 3 2 3 4 2 3 3 2 3 4 2 3 3 2 3 4 2 3 3 2 3 4 2 ...
result:
ok 990 lines
Test #3:
score: 0
Accepted
time: 17ms
memory: 5144kb
input:
2 4859 299556476011016293 4859 911621905353047038
output:
13 13
result:
ok 2 lines
Test #4:
score: 0
Accepted
time: 13ms
memory: 4724kb
input:
3 3023 291106112607863999 3119 972408313573784567 1229 855784672293155279
output:
14 14 14
result:
ok 3 lines
Test #5:
score: -100
Wrong Answer
time: 11ms
memory: 4408kb
input:
2 4023 19114808110467479 4014 412762310847841499
output:
13 14
result:
wrong answer 2nd lines differ - expected: '13', found: '14'