#849339 (C90) No.2199 lower_bound and upper_bound

提出ソース

結果

問題	No.2199 lower_bound and upper_bound
ユーザー	tails
提出日時	2023-03-15 15:26:40
言語	C90 (gcc 11.4.0)
結果	AC
実行時間	1 ms / 2,000 ms
コード長	47,335 bytes
コンパイル時間	185 ms
コンパイル使用メモリ	26,908 KB
実行使用メモリ	4,348 KB
最終ジャッジ日時	2023-10-18 12:25:09
合計ジャッジ時間	1,078 ms
ジャッジサーバーID （参考情報）	judge15 / judge13

このコードへのチャレンジ
（要ログイン）

テストケース

テストケース表示

入力	結果	実行時間実行使用メモリ
testcase_00	AC	0 ms 4,348 KB
testcase_01	AC	0 ms 4,348 KB
testcase_02	AC	0 ms 4,348 KB
testcase_03	AC	0 ms 4,348 KB
testcase_04	AC	1 ms 4,348 KB
testcase_05	AC	1 ms 4,348 KB
testcase_06	AC	1 ms 4,348 KB
testcase_07	AC	0 ms 4,348 KB
testcase_08	AC	0 ms 4,348 KB
testcase_09	AC	1 ms 4,348 KB
testcase_10	AC	1 ms 4,348 KB
testcase_11	AC	0 ms 4,348 KB
testcase_12	AC	0 ms 4,348 KB
testcase_13	AC	0 ms 4,348 KB
testcase_14	AC	1 ms 4,348 KB
testcase_15	AC	0 ms 4,348 KB
testcase_16	AC	1 ms 4,348 KB
testcase_17	AC	0 ms 4,348 KB
testcase_18	AC	0 ms 4,348 KB
testcase_19	AC	0 ms 4,348 KB
testcase_20	AC	0 ms 4,348 KB
testcase_21	AC	1 ms 4,348 KB
testcase_22	AC	1 ms 4,348 KB
testcase_23	AC	0 ms 4,348 KB
testcase_24	AC	0 ms 4,348 KB

権限があれば一括ダウンロードができます

コンパイルメッセージ

main.c: In function ‘main’:
main.c:7:59: warning: implicit declaration of function ‘write’ [-Wimplicit-function-declaration]
    7 | #define wt1(v) ({char wbuf[64],*wp=wbuf+sizeof wbuf;wt(v);write(1,wp,wbuf+sizeof wbuf-wp);})
      |                                                           ^~~~~
main.c:55:9: note: in expansion of macro ‘wt1’
   55 |         wt1(r%MD);
      |         ^~~
main.c:56:9: warning: implicit declaration of function ‘_exit’ [-Wimplicit-function-declaration]
   56 |         _exit(0);
      |         ^~~~~
main.c:56:9: warning: incompatible implicit declaration of built-in function ‘_exit’ [-Wbuiltin-declaration-mismatch]

ソースコード

raw source code

#pragma GCC optimize("Ofast")
#pragma GCC target("avx2")

#define rd_init() char*rp=({char*mmap();mmap(0l,1l<<25,1,2,0,0ll);})
#define rd() ({int _v=0,_c;while(_c=*rp++-48,_c>=0)_v=_v*10+_c;_v;})
#define wt(v) ({unsigned _z=v;do*--wp=_z%10+48;while(_z/=10);})
#define wt1(v) ({char wbuf[64],*wp=wbuf+sizeof wbuf;wt(v);write(1,wp,wbuf+sizeof wbuf-wp);})
#define MD 998244353

unsigned const 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typedef unsigned long ulong;

int inverse(int a){
	int b=MD;
	int u=1;
	int v=0;
	while(b){
		int q=a/b,t;
		t=b, b=a-q*b, a=t;
		t=v, v=u-q*v, u=t;
	}
	if(u<0){
		u+=MD;
	}
	return u;
}

ulong fac(ulong a){
	ulong r=fac64[a>>6];
	for(ulong i=a&~63;i++<a;){
		r=r*i%MD;
	}
	return r;
}

ulong f(long a,long b){
	return (ulong)fac(a+b)*inverse((ulong)fac(a)*fac(b)%MD)%MD;
}

int main(){
	rd_init();
	long n=rd();
	long l=rd()-1;
	long u=rd();
	ulong r=MD*2;
	r+=f(n,n+u);
	r-=f(n,n+l);
	if(n-2>=0){
		r-=f(n+u+2,n-2);
	}
	if(n+l-u-2>=0){
		r+=f(n+u+2,n+l-u-2);
	}
	wt1(r%MD);
	_exit(0);
}

yukicoder

結果

テストケース

コンパイルメッセージ

ソースコード