QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#449293#7018. Insertion SortSampsonYWAC ✓2ms3980kbC++141.6kb2024-06-20 21:36:412024-06-20 21:36:41

Judging History

你现在查看的是最新测评结果

  • [2024-06-20 21:36:41]
  • 评测
  • 测评结果:AC
  • 用时:2ms
  • 内存:3980kb
  • [2024-06-20 21:36:41]
  • 提交

answer

#include <bits/stdc++.h>
#define db double
#define il inline
#define re register
#define ll long long
#define ui unsigned
#define ull ui ll
#define i128 __int128
#define pii pair<int, int>
#define fi first
#define se second
#define eb emplace_back
#define SZ(v) (int)v.size()
#define ALL(v) v.begin(), v.end()
#define mems(v, x) memset(v, x, sizeof(v))
#define memc(a, b) memcpy(a, b, sizeof(a))
#define FOR(i, L, R) for(re int i = (L); i <= (R); ++i)
#define ROF(i, R, L) for(re int i = (R); i >= (L); --i)
#define LS i << 1, l, mid
#define RS i << 1 | 1, mid + 1, r
#define popc(x) __builtin_popcount(x)
#define popcll(x) __builtin_popcountll(x)
using namespace std;
#define N 400005
// #define P 998244353
int P;
il int add(int x, int y) {return x + y < P ? x + y : x + y - P;}
il void addr(int &x, int y) {(x += y) >= P && (x -= P);}
il int qpow(int p, ll n = P - 2) {
  int s = 1;
  while(n) {
    if(n & 1) s = 1ll * s * p % P;
    p = 1ll * p * p % P, n >>= 1;
  }
  return s;
}
template<class T> il void chkmin(T &x, T y) {if(x > y) x = y;}
template<class T> il void chkmax(T &x, T y) {if(x < y) x = y;}
int n, m, T;
int fac[N];
il void WORK() {
  cin >> n >> m >> P;
  fac[0] = 1; FOR(i, 1, n) fac[i] = 1ll * fac[i - 1] * i % P;
  chkmin(m, n); if(m == n || m == n - 1) {cout << "Case #" << ++T << ": " << fac[n] << "\n"; return ;}
  int k = n - m;
  cout << "Case #" << ++T << ": " << 1ll * fac[m] * (k + (k - 1) * (k - 2) + m * k + k - 1) % P << "\n";
}
int main() {
  ios::sync_with_stdio(0);
  cin.tie(0), cout.tie(0);
  int T; cin >> T;
  while(T--) WORK();
  cerr << 1.0 * clock() / CLOCKS_PER_SEC << "\n";
  return 0;
}

这程序好像有点Bug,我给组数据试试?

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 3932kb

input:

4
4 1 998244353
4 2 998244353
4 3 998244353
4 4 998244353

output:

Case #1: 10
Case #2: 14
Case #3: 24
Case #4: 24

result:

ok 4 lines

Test #2:

score: 0
Accepted
time: 2ms
memory: 3980kb

input:

5000
14 37 557911987
7 10 367410643
16 14 367486993
14 13 257679469
40 1 433152019
6 1 151926713
18 10 831429839
45 23 611504891
43 41 442772417
28 29 651920513
50 43 783397267
34 9 584271757
14 40 136299073
35 24 908302831
32 29 939394321
7 19 925472381
47 24 563986517
42 37 820968349
24 8 36281506...

output:

Case #1: 144021228
Case #2: 5040
Case #3: 27680678
Case #4: 82630678
Case #5: 1522
Case #6: 26
Case #7: 497145600
Case #8: 158517076
Case #9: 265540132
Case #10: 174173325
Case #11: 757472701
Case #12: 299738880
Case #13: 83183553
Case #14: 685128802
Case #15: 58404183
Case #16: 5040
Case #17: 19811...

result:

ok 5000 lines