提出 #67528319

ソースコード 拡げる

#include <bits/stdc++.h>
using namespace std;
const long long mod=998244353;
int main(){
	ios::sync_with_stdio(false),cin.tie(0);
	long long n,i,d,nxt,ans;
	cin>>n;
	ans=n%mod*((n+1)%mod)%mod*(mod-mod/2)%mod;
	for(i=1;i<=n;i++)
	{
		d=n/i;
		nxt=n/d;
		ans=(ans+mod-(nxt-i+1)%mod*(d%mod)%mod)%mod;
		i=nxt;
	}
	cout<<ans<<'\n';
	return 0;
}

提出情報

提出日時
問題 E - Count A%B=C
ユーザ StarSilk
言語 C++ 17 (gcc 12.2)
得点 475
コード長 357 Byte
結果 AC
実行時間 20 ms
メモリ 3596 KiB

ジャッジ結果

セット名 Sample All
得点 / 配点 0 / 0 475 / 475
結果
AC × 3
AC × 56
セット名 テストケース
Sample 00-sample-01.txt, 00-sample-02.txt, 00-sample-03.txt
All 00-sample-01.txt, 00-sample-02.txt, 00-sample-03.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt, 01-11.txt, 01-12.txt, 01-13.txt, 01-14.txt, 01-15.txt, 01-16.txt, 01-17.txt, 01-18.txt, 01-19.txt, 01-20.txt, 01-21.txt, 01-22.txt, 01-23.txt, 01-24.txt, 01-25.txt, 01-26.txt, 01-27.txt, 01-28.txt, 01-29.txt, 01-30.txt, 01-31.txt, 01-32.txt, 01-33.txt, 01-34.txt, 01-35.txt, 01-36.txt, 01-37.txt, 01-38.txt, 01-39.txt, 01-40.txt, 01-41.txt, 01-42.txt, 01-43.txt, 01-44.txt, 01-45.txt, 01-46.txt, 01-47.txt, 01-48.txt, 01-49.txt, 01-50.txt, 01-51.txt, 01-52.txt, 01-53.txt
ケース名 結果 実行時間 メモリ
00-sample-01.txt AC 1 ms 3460 KiB
00-sample-02.txt AC 1 ms 3416 KiB
00-sample-03.txt AC 13 ms 3472 KiB
01-01.txt AC 1 ms 3464 KiB
01-02.txt AC 1 ms 3384 KiB
01-03.txt AC 1 ms 3460 KiB
01-04.txt AC 1 ms 3400 KiB
01-05.txt AC 1 ms 3384 KiB
01-06.txt AC 1 ms 3596 KiB
01-07.txt AC 1 ms 3596 KiB
01-08.txt AC 1 ms 3592 KiB
01-09.txt AC 1 ms 3444 KiB
01-10.txt AC 1 ms 3448 KiB
01-11.txt AC 1 ms 3464 KiB
01-12.txt AC 1 ms 3412 KiB
01-13.txt AC 1 ms 3388 KiB
01-14.txt AC 1 ms 3388 KiB
01-15.txt AC 19 ms 3464 KiB
01-16.txt AC 20 ms 3388 KiB
01-17.txt AC 19 ms 3476 KiB
01-18.txt AC 19 ms 3456 KiB
01-19.txt AC 19 ms 3452 KiB
01-20.txt AC 19 ms 3392 KiB
01-21.txt AC 19 ms 3464 KiB
01-22.txt AC 19 ms 3416 KiB
01-23.txt AC 19 ms 3468 KiB
01-24.txt AC 19 ms 3460 KiB
01-25.txt AC 19 ms 3444 KiB
01-26.txt AC 19 ms 3524 KiB
01-27.txt AC 19 ms 3416 KiB
01-28.txt AC 1 ms 3468 KiB
01-29.txt AC 1 ms 3412 KiB
01-30.txt AC 1 ms 3528 KiB
01-31.txt AC 1 ms 3396 KiB
01-32.txt AC 1 ms 3596 KiB
01-33.txt AC 1 ms 3592 KiB
01-34.txt AC 1 ms 3408 KiB
01-35.txt AC 1 ms 3456 KiB
01-36.txt AC 1 ms 3460 KiB
01-37.txt AC 1 ms 3408 KiB
01-38.txt AC 2 ms 3416 KiB
01-39.txt AC 2 ms 3396 KiB
01-40.txt AC 2 ms 3464 KiB
01-41.txt AC 2 ms 3472 KiB
01-42.txt AC 13 ms 3384 KiB
01-43.txt AC 15 ms 3408 KiB
01-44.txt AC 5 ms 3416 KiB
01-45.txt AC 18 ms 3464 KiB
01-46.txt AC 7 ms 3496 KiB
01-47.txt AC 1 ms 3596 KiB
01-48.txt AC 9 ms 3388 KiB
01-49.txt AC 4 ms 3460 KiB
01-50.txt AC 12 ms 3460 KiB
01-51.txt AC 14 ms 3596 KiB
01-52.txt AC 3 ms 3388 KiB
01-53.txt AC 16 ms 3400 KiB