AtCoder Grand Contest 009

Submission #1587924

Source codeソースコード

#include<cstdio>
const int mod=1000000007;
int N;
long long A[2],S[100010];
int nxt[100010][2],lim[100010][2],f[100010][2];
int main(){
	scanf("%d%lld%lld",&N,A,A+1);
	for(int i=0;i<N;i++)scanf("%lld",S+i);
	for(int t=0;t<2;t++){
		nxt[0][t]=1;
		for(int i=1;i<N;i++){
			for(nxt[i][t]=nxt[i-1][t];nxt[i][t]<N&&S[nxt[i][t]]-S[i-1]<A[t];nxt[i][t]++);
			if(nxt[i][t]==i)nxt[i][t]++;
		}
		lim[N-1][t]=N;
		for(int i=N-1;i--;)lim[i][t]=S[i+1]-S[i]<A[t]?i+1:lim[i+1][t];
	}
	f[N][0]=f[N][1]=1;
	for(int i=N;i--;){
		for(int t=0;t<2;t++){
			f[i][t]=(f[i+1][t]+f[nxt[i][!t]][!t]-f[lim[i][t]+1][!t])%mod;
			(f[i][t]+=mod)%=mod;
		}
	}
	int ans=(f[0][0]-f[1][0]+mod)%mod+(f[0][1]-f[1][1]+mod)%mod;
	printf("%d\n",ans%mod);
}

Submission

Task問題 C - Division into Two
User nameユーザ名 vjudge4
Created time投稿日時
Language言語 C++14 (GCC 5.4.1)
Status状態 WA
Score得点 0
Source lengthソースコード長 719 Byte
File nameファイル名
Exec time実行時間 ms
Memory usageメモリ使用量 -

Compiler messageコンパイルメッセージ

./Main.cpp: In function ‘int main()’:
./Main.cpp:7:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%lld%lld",&N,A,A+1);
^
./Main.cpp:8:39: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
for(int i=0;i<N;i++)scanf("%lld",S+i);
^

Test case

Set

Set name Score得点 / Max score Cases
Sample - s1.txt,s2.txt,s3.txt,s4.txt
All 0 / 1100 01.txt,02.txt,03.txt,04.txt,05.txt,06.txt,07.txt,08.txt,09.txt,10.txt,11.txt,12.txt,13.txt,14.txt,15.txt,16.txt,17.txt,18.txt,19.txt,20.txt,21.txt,22.txt,23.txt,24.txt,25.txt,26.txt,27.txt,28.txt,29.txt,30.txt,31.txt,32.txt,33.txt,34.txt,35.txt,36.txt,37.txt,38.txt,39.txt,40.txt,41.txt,42.txt,43.txt,44.txt,45.txt,46.txt,47.txt,48.txt,49.txt,50.txt,51.txt,52.txt,53.txt,54.txt,55.txt,56.txt,57.txt,58.txt,59.txt,60.txt,61.txt,62.txt,63.txt,64.txt,s1.txt,s2.txt,s3.txt,s4.txt

Test case

Case name Status状態 Exec time実行時間 Memory usageメモリ使用量
01.txt AC 21 ms 3328 KB
02.txt AC 19 ms 3328 KB
03.txt AC 20 ms 3328 KB
04.txt AC 19 ms 3328 KB
05.txt AC 18 ms 3328 KB
06.txt AC 19 ms 3328 KB
07.txt AC 20 ms 3328 KB
08.txt AC 20 ms 3328 KB
09.txt AC 20 ms 3328 KB
10.txt AC 20 ms 3328 KB
11.txt AC 19 ms 3328 KB
12.txt AC 19 ms 3328 KB
13.txt AC 19 ms 3328 KB
14.txt AC 20 ms 3328 KB
15.txt AC 19 ms 3328 KB
16.txt AC 12 ms 3328 KB
17.txt AC 14 ms 3328 KB
18.txt AC 16 ms 3328 KB
19.txt WA
20.txt AC 16 ms 3328 KB
21.txt AC 16 ms 3328 KB
22.txt WA
23.txt WA
24.txt WA
25.txt AC 18 ms 3328 KB
26.txt AC 18 ms 3328 KB
27.txt AC 18 ms 3328 KB
28.txt AC 17 ms 3328 KB
29.txt WA
30.txt WA
31.txt WA
32.txt WA
33.txt WA
34.txt WA
35.txt WA
36.txt AC 12 ms 3328 KB
37.txt AC 12 ms 3328 KB
38.txt AC 12 ms 3328 KB
39.txt AC 20 ms 3328 KB
40.txt AC 12 ms 3328 KB
41.txt AC 13 ms 3328 KB
42.txt WA
43.txt AC 20 ms 3328 KB
44.txt AC 20 ms 3328 KB
45.txt AC 20 ms 3328 KB
46.txt AC 19 ms 3328 KB
47.txt AC 20 ms 3328 KB
48.txt AC 20 ms 3328 KB
49.txt AC
50.txt AC
51.txt AC
52.txt AC
53.txt AC
54.txt AC
55.txt AC
56.txt AC
57.txt AC
58.txt AC
59.txt AC
60.txt AC
61.txt AC
62.txt AC
63.txt AC
64.txt AC
s1.txt AC
s2.txt AC
s3.txt AC
s4.txt AC