QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#256016 | #5546. Sharing Bread | sentheta# | AC ✓ | 0ms | 3708kb | C++20 | 1.5kb | 2023-11-18 17:43:52 | 2023-11-18 17:43:54 |
Judging History
answer
#include "bits/stdc++.h"
using namespace std;
#define ff first
#define ss second
#define int long long
#define pii pair<int,int>
#define pb emplace_back
#define rep(i,a,b) for(int i=a; i < b; ++i)
#define owo ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define cerr if(1) cout
#define dbg(x) cerr << "?" << #x << " : " << x << endl;
void solve();
signed main(){
owo
int t = 1; //cin >> t
while(t--) solve();
}
const int MOD = 998244353;
int bpow(int a,int b){
int ret = 1;
while(b){
if(b&1) ret = ret*a%MOD;
a = a*a%MOD; b /= 2;
}
return ret;
}
int inv(int a){
return bpow(a, MOD-2);
}
const int N = 200;
int fac[N], invfac[N];
int C(int a,int b){
return fac[a] *invfac[b]%MOD *invfac[a-b]%MOD;
}
int dp[N][N];
void solve(){
// fac[0] = 1;
// rep(i,1,N) fac[i] = i*fac[i-1]%MOD;
// invfac[N-1] = inv(fac[N-1]);
// for(int i=N-2; i>=0; i--) invfac[i] = (i+1)*invfac[i+1]%MOD;
// rep(m,0,N) rep(n,1,N){
// if(m==0){
// dp[n][m] = 1;
// }
// else if(m > n){
// dp[n][m] = 0;
// }
// else if(n==1 && m==1){
// dp[n][m] = 1;
// }
// else{
// rep(i,0,m+1){
// (dp[n][m] += dp[n-1][i] * C(m,i) )%=MOD;
// }
// }
// }
// rep(m,1,N){
// rep(n,1,N){
// cout << dp[n][m] << " ";
// if(m <= n){
// dbg(n);
// dbg(m);
// assert(dp[n][m] == bpow(n+1,m-1) *(n-m+1)%MOD);
// }
// }
// cout << '\n';
// }
// dbg(dp[1][1]);
int n, m;
cin >> n >> m;
int ans = bpow(n+1,m-1) *(n-m+1)%MOD;
cout << ans << '\n';
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3564kb
input:
4 3
output:
50
result:
ok single line: '50'
Test #2:
score: 0
Accepted
time: 0ms
memory: 3632kb
input:
10 1
output:
10
result:
ok single line: '10'
Test #3:
score: 0
Accepted
time: 0ms
memory: 3616kb
input:
2 2
output:
3
result:
ok single line: '3'
Test #4:
score: 0
Accepted
time: 0ms
memory: 3544kb
input:
1 1
output:
1
result:
ok single line: '1'
Test #5:
score: 0
Accepted
time: 0ms
memory: 3604kb
input:
277 277
output:
124662617
result:
ok single line: '124662617'
Test #6:
score: 0
Accepted
time: 0ms
memory: 3612kb
input:
426 1
output:
426
result:
ok single line: '426'
Test #7:
score: 0
Accepted
time: 0ms
memory: 3580kb
input:
200000 1
output:
200000
result:
ok single line: '200000'
Test #8:
score: 0
Accepted
time: 0ms
memory: 3548kb
input:
200000 200000
output:
950017432
result:
ok single line: '950017432'
Test #9:
score: 0
Accepted
time: 0ms
memory: 3608kb
input:
200000 100000
output:
280947286
result:
ok single line: '280947286'
Test #10:
score: 0
Accepted
time: 0ms
memory: 3612kb
input:
200000 84731
output:
211985425
result:
ok single line: '211985425'
Test #11:
score: 0
Accepted
time: 0ms
memory: 3548kb
input:
200000 124713
output:
716696526
result:
ok single line: '716696526'
Test #12:
score: 0
Accepted
time: 0ms
memory: 3648kb
input:
129179 49655
output:
506429515
result:
ok single line: '506429515'
Test #13:
score: 0
Accepted
time: 0ms
memory: 3616kb
input:
87518 26040
output:
808454539
result:
ok single line: '808454539'
Test #14:
score: 0
Accepted
time: 0ms
memory: 3640kb
input:
178355 10116
output:
361555714
result:
ok single line: '361555714'
Test #15:
score: 0
Accepted
time: 0ms
memory: 3552kb
input:
2 1
output:
2
result:
ok single line: '2'
Test #16:
score: 0
Accepted
time: 0ms
memory: 3608kb
input:
192733 52550
output:
67181038
result:
ok single line: '67181038'
Test #17:
score: 0
Accepted
time: 0ms
memory: 3620kb
input:
76689 36632
output:
717949287
result:
ok single line: '717949287'
Test #18:
score: 0
Accepted
time: 0ms
memory: 3576kb
input:
200000 9
output:
158524471
result:
ok single line: '158524471'
Test #19:
score: 0
Accepted
time: 0ms
memory: 3608kb
input:
200000 199998
output:
879727659
result:
ok single line: '879727659'
Test #20:
score: 0
Accepted
time: 0ms
memory: 3624kb
input:
199952 1
output:
199952
result:
ok single line: '199952'
Test #21:
score: 0
Accepted
time: 0ms
memory: 3708kb
input:
199947 199947
output:
339118685
result:
ok single line: '339118685'
Test #22:
score: 0
Accepted
time: 0ms
memory: 3556kb
input:
199956 99978
output:
135867461
result:
ok single line: '135867461'
Test #23:
score: 0
Accepted
time: 0ms
memory: 3700kb
input:
2 2
output:
3
result:
ok single line: '3'
Test #24:
score: 0
Accepted
time: 0ms
memory: 3608kb
input:
10 3
output:
968
result:
ok single line: '968'
Test #25:
score: 0
Accepted
time: 0ms
memory: 3648kb
input:
10 5
output:
87846
result:
ok single line: '87846'
Test #26:
score: 0
Accepted
time: 0ms
memory: 3616kb
input:
10 9
output:
428717762
result:
ok single line: '428717762'
Test #27:
score: 0
Accepted
time: 0ms
memory: 3624kb
input:
279 166
output:
945780025
result:
ok single line: '945780025'
Test #28:
score: 0
Accepted
time: 0ms
memory: 3576kb
input:
361 305
output:
926296326
result:
ok single line: '926296326'
Test #29:
score: 0
Accepted
time: 0ms
memory: 3552kb
input:
305 262
output:
465560336
result:
ok single line: '465560336'