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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 |
---|---|---|---|---|---|---|---|---|---|
#196838 | #5607. Cribbage On Steroids | KKT89 | AC ✓ | 1ms | 3716kb | C++17 | 2.8kb | 2023-10-02 00:32:36 | 2023-10-02 00:32:36 |
Judging History
answer
#pragma GCC optimize("Ofast")
#include <bits/stdc++.h>
using namespace std;
typedef long long int ll;
typedef unsigned long long int ull;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
ll myRand(ll B) {
return (ull)rng() % B;
}
inline double time() {
return static_cast<long double>(chrono::duration_cast<chrono::nanoseconds>(chrono::steady_clock::now().time_since_epoch()).count()) * 1e-9;
}
using LL = __int128;
istream& operator>>(istream& is, LL& v)
{
string s;
is >> s;
v = 0;
for (int i = 0; i < (int)s.size(); i++) {
if (isdigit(s[i])) { v = v * 10 + s[i] - '0'; }
}
if (s[0] == '-') { v *= -1; }
return is;
}
ostream& operator<<(ostream& os, const LL& v)
{
if (v == 0) { return (os << "0"); }
LL num = v;
if (v < 0) {
os << '-';
num = -num;
}
string s;
for (; num > 0; num /= 10) { s.push_back((char)(num % 10) + '0'); }
reverse(s.begin(), s.end());
return (os << s);
}
LL C[101][101];
int main(){
cin.tie(nullptr);
ios::sync_with_stdio(false);
{
for (int i = 0; i <= 100; ++i) {
C[i][0] = C[i][i] = 1;
}
for (int i = 0; i <= 100; ++i) {
for (int j = 1; j < i; ++j) {
C[i][j] = C[i-1][j] + C[i-1][j-1];
}
}
}
int n; cin >> n;
vector<int> cnt(14);
for (int i = 0; i < n; ++i) {
char c; cin >> c;
if (c == 'A') cnt[1] += 1;
else if (c == 'T') cnt[10] += 1;
else if (c == 'J') cnt[11] += 1;
else if (c == 'Q') cnt[12] += 1;
else if (c == 'K') cnt[13] += 1;
else cnt[c-'0'] += 1;
}
LL res = 0;
for (int i = 1; i <= 13;) {
if (cnt[i] == 0) {
i += 1;
continue;
}
ll c = 0;
ll r = 1;
while (i <= 13 and cnt[i] > 0) {
r *= cnt[i]; c += 1; i += 1;
}
if (c > 2) res += c*r;
}
for (int i = 1; i <= 13; ++i) {
if (cnt[i] >= 2) {
res += C[cnt[i]][2]*2LL;
}
}
vector<int> v(14);
auto dfs = [&](auto dfs, int i, int sum) -> void {
if (i == 14) {
if (sum == 15) {
LL r = 2;
for (int j = 1; j <= 13; ++j) {
if (v[j]) {
r *= C[cnt[j]][v[j]];
}
}
res += r;
}
return;
}
int ad = i;
if (i >= 10) ad = 10;
for (int j = 0; j <= cnt[i] and sum+ad*j <= 15; ++j) {
v[i] = j;
dfs(dfs, i+1, sum+ad*j);
}
};
dfs(dfs, 1, 0);
cout << res << endl;
}
详细
Test #1:
score: 100
Accepted
time: 1ms
memory: 3604kb
input:
5 4 5 6 5 5
output:
23
result:
ok single line: '23'
Test #2:
score: 0
Accepted
time: 1ms
memory: 3712kb
input:
13 A 2 3 4 5 6 7 8 9 T J Q K
output:
71
result:
ok single line: '71'
Test #3:
score: 0
Accepted
time: 1ms
memory: 3704kb
input:
10 2 2 3 4 5 8 9 T J Q
output:
45
result:
ok single line: '45'
Test #4:
score: 0
Accepted
time: 1ms
memory: 3712kb
input:
5 5 5 5 5 J
output:
28
result:
ok single line: '28'
Test #5:
score: 0
Accepted
time: 0ms
memory: 3604kb
input:
5 5 5 5 5 5
output:
40
result:
ok single line: '40'
Test #6:
score: 0
Accepted
time: 1ms
memory: 3636kb
input:
11 A 2 3 5 6 7 8 T J Q K
output:
41
result:
ok single line: '41'
Test #7:
score: 0
Accepted
time: 1ms
memory: 3716kb
input:
20 A 2 3 4 5 A 2 3 4 5 A 2 3 4 5 A 2 3 4 5
output:
20308
result:
ok single line: '20308'
Test #8:
score: 0
Accepted
time: 1ms
memory: 3676kb
input:
7 9 6 5 A 4 7 8
output:
16
result:
ok single line: '16'
Test #9:
score: 0
Accepted
time: 1ms
memory: 3588kb
input:
11 Q K 2 2 2 3 3 3 A A 4
output:
224
result:
ok single line: '224'
Test #10:
score: 0
Accepted
time: 0ms
memory: 3592kb
input:
100 A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A
output:
506676942699987180
result:
ok single line: '506676942699987180'
Test #11:
score: 0
Accepted
time: 0ms
memory: 3668kb
input:
100 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5
output:
333300
result:
ok single line: '333300'
Test #12:
score: 0
Accepted
time: 1ms
memory: 3676kb
input:
5 K J 2 6 8
output:
0
result:
ok single line: '0'
Test #13:
score: 0
Accepted
time: 1ms
memory: 3640kb
input:
7 T J J J Q K K
output:
32
result:
ok single line: '32'
Test #14:
score: 0
Accepted
time: 1ms
memory: 3712kb
input:
5 J Q K A 2
output:
3
result:
ok single line: '3'
Test #15:
score: 0
Accepted
time: 1ms
memory: 3704kb
input:
14 5 5 A 4 2 3 A 4 2 3 T J Q K
output:
438
result:
ok single line: '438'
Test #16:
score: 0
Accepted
time: 1ms
memory: 3644kb
input:
100 A T 4 K K J T 7 4 T Q A 5 K 8 T Q J K 5 3 8 A 9 3 4 7 J 5 7 K J 7 9 3 T 8 9 8 2 8 6 7 J T 6 6 4 5 K 9 6 5 K 5 J T A 4 3 A K 5 T Q T 6 K T 8 Q J K Q 8 A 6 9 5 7 K 3 2 5 Q J 4 T 2 7 2 9 2 T 9 4 5 9 5 5
output:
2440992624714
result:
ok single line: '2440992624714'
Test #17:
score: 0
Accepted
time: 1ms
memory: 3644kb
input:
100 K Q 3 K 9 5 5 7 A T K T 8 5 J 3 6 6 5 A 9 9 3 5 2 5 7 4 9 Q 9 4 9 A 2 T Q 2 K 3 4 4 9 8 K 3 K 5 A 2 Q 5 8 6 6 5 K 2 T 3 2 9 2 8 Q 3 A 6 4 K A 3 A 6 4 5 K A 6 4 3 T 3 Q 4 6 8 7 K 2 A J 3 8 5 K 5 A T 4
output:
1127283925810
result:
ok single line: '1127283925810'
Test #18:
score: 0
Accepted
time: 1ms
memory: 3712kb
input:
100 Q 6 6 A 8 J T T A 2 7 9 2 9 7 K T T 6 7 T 4 A K 2 T 8 T 5 Q J J 7 8 3 A 7 K A 8 J T J J T J 3 2 2 7 A K A J 6 7 6 Q 4 K 2 2 9 2 4 Q K 5 A T 2 6 5 A J 4 9 A Q 3 T A T 2 T 8 2 6 6 K 7 5 A 9 2 A T A 2 4
output:
1001732618498
result:
ok single line: '1001732618498'
Test #19:
score: 0
Accepted
time: 1ms
memory: 3652kb
input:
100 T J 9 2 T 5 3 Q J 6 Q 5 9 Q 4 8 K K 9 3 T Q 9 8 K 3 T A J K K 4 4 4 2 5 A A K A 3 K Q A 6 5 8 A A A 2 T 7 2 7 8 Q J A 8 3 9 2 9 7 7 Q 4 9 5 2 9 J 9 4 2 6 Q 4 2 3 7 5 7 5 7 8 3 9 8 2 Q Q T A A 2 4 6 3
output:
2636894652562
result:
ok single line: '2636894652562'
Test #20:
score: 0
Accepted
time: 1ms
memory: 3676kb
input:
100 J 5 Q 3 T J 8 2 T T 7 4 3 K 3 3 4 6 K T T 7 7 A K 8 9 7 7 K 2 K 2 Q K T 7 Q Q 4 9 3 3 4 5 J K T 3 6 4 5 Q 6 7 7 3 9 8 3 3 A T 3 Q 4 9 5 7 A 3 Q 4 6 J A A Q T A J J A 9 K 8 A A 2 6 T 4 T 9 J A 7 6 J 3
output:
1754378063080
result:
ok single line: '1754378063080'
Test #21:
score: 0
Accepted
time: 0ms
memory: 3644kb
input:
100 T 7 T 5 6 5 A K 7 8 8 K 6 5 5 8 9 Q 2 7 3 5 9 Q Q 9 Q 2 J 5 J 4 4 4 A 9 Q 5 4 5 6 3 5 3 6 T 5 Q J 8 7 4 A 2 8 2 6 T A 4 4 T 7 A T T 6 9 K 8 5 4 6 K 7 5 9 4 J A K 6 K 3 5 2 4 J 2 Q 6 8 J 9 7 8 6 J 6 2
output:
2519534370948
result:
ok single line: '2519534370948'