QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#301515 | #2731. Cartesian Conquest | Camillus | 0 | 263ms | 1658900kb | C++20 | 1.7kb | 2024-01-10 00:38:42 | 2024-01-10 00:38:43 |
Judging History
answer
#include "bits/stdc++.h"
using namespace std;
struct pair_hash {
size_t operator()(const pair<int, int> &p) const {
return p.first ^ p.second;
}
};
unordered_map<int, int> saved_mx;
int mx_func(int n, int m) {
if (n > m) {
swap(n, m);
}
if (saved_mx.contains(n + m)) {
return saved_mx[n + m];
}
int cur = 0;
if (n % 2 == 0 && m - n / 2 > 0) {
cur = max(cur, mx_func(n, m - n / 2));
}
if (m % 2 == 0 && n - m / 2 > 0) {
cur = max(cur, mx_func(n - m / 2, m));
}
if (m - 2 * n > 0) {
cur = max(cur, mx_func(n, m - 2 * n));
}
if (n - 2 * m > 0) {
cur = max(cur, mx_func(n - 2 * m, m));
}
return saved_mx[n + m] = cur + 1;
}
unordered_map<int, int> saved_mn;
int mn_func(int n, int m) {
if (n > m) {
swap(n, m);
}
if (saved_mn.contains(n + m)) {
return saved_mn[n + m];
}
if (n == 2 * m || m == 2 * n) {
return 1;
}
int cur = INT32_MAX;
if (n % 2 == 0 && m - n / 2 > 0) {
cur = min(cur, mn_func(n, m - n / 2));
}
if (m % 2 == 0 && n - m / 2 > 0) {
cur = min(cur, mn_func(n - m / 2, m));
}
if (m - 2 * n > 0) {
cur = min(cur, mn_func(n, m - 2 * n));
}
if (n - 2 * m > 0) {
cur = min(cur, mn_func(n - 2 * m, m));
}
return saved_mn[n + m] = cur + 1;
}
signed main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
saved_mn.reserve(1e8);
saved_mx.reserve(1e8);
int n, m;
cin >> n >> m;
cout << mn_func(n, m) << ' ' << mx_func(n, m) << '\n';
return 0;
}
Details
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Subtask #1:
score: 0
Wrong Answer
Test #1:
score: 5
Accepted
time: 195ms
memory: 1588536kb
input:
2 1
output:
1 1
result:
ok single line: '1 1'
Test #2:
score: 0
Accepted
time: 204ms
memory: 1588592kb
input:
2 4
output:
1 4
result:
ok single line: '1 4'
Test #3:
score: 0
Accepted
time: 175ms
memory: 1588524kb
input:
5 4
output:
4 4
result:
ok single line: '4 4'
Test #4:
score: 0
Accepted
time: 191ms
memory: 1588612kb
input:
4 6
output:
3 6
result:
ok single line: '3 6'
Test #5:
score: 0
Accepted
time: 216ms
memory: 1588852kb
input:
1000 2
output:
250 1000
result:
ok single line: '250 1000'
Test #6:
score: 0
Accepted
time: 227ms
memory: 1588584kb
input:
1 1000
output:
500 500
result:
ok single line: '500 500'
Test #7:
score: 0
Accepted
time: 203ms
memory: 1588624kb
input:
1000 1000
output:
2 8
result:
ok single line: '2 8'
Test #8:
score: -5
Wrong Answer
time: 204ms
memory: 1588604kb
input:
872 976
output:
20 108
result:
wrong answer 1st lines differ - expected: '11 133', found: '20 108'
Subtask #2:
score: 0
Wrong Answer
Test #20:
score: 8
Accepted
time: 187ms
memory: 1588956kb
input:
2 1001
output:
251 1001
result:
ok single line: '251 1001'
Test #21:
score: 0
Accepted
time: 263ms
memory: 1658900kb
input:
1 1000000
output:
500000 500000
result:
ok single line: '500000 500000'
Test #22:
score: -8
Wrong Answer
time: 172ms
memory: 1588628kb
input:
1000000 1000000
output:
2 20
result:
wrong answer 1st lines differ - expected: '2 25', found: '2 20'
Subtask #3:
score: 0
Memory Limit Exceeded
Test #45:
score: 0
Memory Limit Exceeded
input:
100000000 2