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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#449293 | #7018. Insertion Sort | SampsonYW | AC ✓ | 2ms | 3980kb | C++14 | 1.6kb | 2024-06-20 21:36:41 | 2024-06-20 21:36:41 |
Judging History
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
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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