Submission #1098476
Source Code Expand
#include <bits/stdc++.h>
#define rep(i,n) for(int i = 0; i < n; i++)
#define rep1(i,n) for(int i = 1; i < n; i++)
#define repv(i,n) for(int i = n-1; i >= 0; i--)
#define fi first
#define sc second
#define pb push_back
using namespace std;
typedef long long ll;
char BUF[3500000];
inline void I(int&a){scanf("%d",&a);}
inline void I(int&a,int&b){scanf("%d%d",&a,&b);}
inline void I(int&a,int&b,int&c){scanf("%d%d%d",&a,&b,&c);}
inline void I(int&a,int&b,int&c,int&d){scanf("%d%d%d%d",&a,&b,&c,&d);}
inline void L(ll&a){scanf("%lld",&a);}
inline void L(ll&a,ll&b){scanf("%lld%lld",&a,&b);}
inline void L(ll&a,ll&b,ll&c){scanf("%I64d%I64d%I64d",&a,&b,&c);}
inline void L(ll&a,ll&b,ll&c,ll&d){scanf("%I64d%I64d%I64d%I64d",&a,&b,&c,&d);}
inline void S(string&str){str.clear();scanf("%s",BUF);int s=strlen(BUF);rep(i,s)str.pb(BUF[i]);}
inline void SV(vector<int>&v){v.clear();scanf("%s",BUF);int s=strlen(BUF);rep(i,s)if('a'<=BUF[i]&&BUF[i]<='z')v.pb(BUF[i]-'a');else v.pb(BUF[i]-'A');}
const auto EPS = 1e-10;
const auto INF = 100000000;
const auto MOD = 1000000007;
typedef pair<ll,ll> P;
int n;
ll a, b;
ll s[100000];
ll dp[100000][2];
int main(){
I(n);
L(a,b);
rep(i,n) L(s[i]);
if(a > b) swap(a,b);
for(int i = 2; i < n; i++) if(s[i]-s[i-2] < a){
cout << 0 << endl;
return 0;
}
dp[0][0] = 1; dp[0][1] = 1;
ll it = 0, sum = 1;
bool fl = false;
for(int i = 1; i < n; i++){
if(fl){
fl = false;
sum = 0;
it = i-2;
}
dp[i][0] = dp[i-1][1];
if(s[i]-s[i-1] >= a) dp[i][0] = (dp[i][0]+dp[i-1][0])%MOD;
else fl = true;
while(s[i]-s[it] >= b) sum = (sum+dp[it++][1])%MOD;
dp[i][1] = sum;
}
cout << (dp[n-1][0]+dp[n-1][1])%MOD << endl;
}
Submission Info
Submission Time
2017-02-06 15:23:12+0900
Task
C - Division into Two
User
gasin
Language
C++14 (GCC 5.4.1)
Score
1100
Code Size
1904 Byte
Status
AC
Exec Time
23 ms
Memory
2688 KB
Compile Error
./Main.cpp: In function ‘void L(ll&, ll&, ll&)’:
./Main.cpp:18:63: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘ll* {aka long long int*}’ [-Wformat=]
inline void L(ll&a,ll&b,ll&c){scanf("%I64d%I64d%I64d",&a,&b,&c);}
^
./Main.cpp:18:63: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘ll* {aka long long int*}’ [-Wformat=]
./Main.cpp:18:63: warning: format ‘%d’ expects argument of type ‘int*’, but argument 4 has type ‘ll* {aka long long int*}’ [-Wformat=]
./Main.cpp: In function ‘void L(ll&, ll&, ll&, ll&)’:
./Main.cpp:19:76: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘ll* {aka long long int*}’ [-Wformat=]
inline void L(ll&a,ll&b,ll&c,ll&d){scanf("%I64d%I64d%I64d%I64d",&a,&b,&c,&d);}
^
./Main.cpp:19:76: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 ha...
Judge Result
Set Name
Sample
All
Score / Max Score
0 / 0
1100 / 1100
Status
Set Name
Test Cases
Sample
s1.txt, s2.txt, s3.txt, s4.txt
All
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
Case Name
Status
Exec Time
Memory
01.txt
AC
23 ms
2560 KB
02.txt
AC
21 ms
2560 KB
03.txt
AC
22 ms
2560 KB
04.txt
AC
22 ms
2560 KB
05.txt
AC
21 ms
2688 KB
06.txt
AC
22 ms
2560 KB
07.txt
AC
22 ms
2560 KB
08.txt
AC
22 ms
2560 KB
09.txt
AC
22 ms
2560 KB
10.txt
AC
22 ms
2560 KB
11.txt
AC
22 ms
2560 KB
12.txt
AC
22 ms
2560 KB
13.txt
AC
22 ms
2560 KB
14.txt
AC
22 ms
2560 KB
15.txt
AC
21 ms
2560 KB
16.txt
AC
15 ms
2560 KB
17.txt
AC
16 ms
2560 KB
18.txt
AC
18 ms
2560 KB
19.txt
AC
17 ms
2560 KB
20.txt
AC
17 ms
2560 KB
21.txt
AC
17 ms
2560 KB
22.txt
AC
17 ms
2560 KB
23.txt
AC
15 ms
2560 KB
24.txt
AC
16 ms
2560 KB
25.txt
AC
20 ms
2560 KB
26.txt
AC
19 ms
2560 KB
27.txt
AC
19 ms
2560 KB
28.txt
AC
19 ms
2560 KB
29.txt
AC
18 ms
2560 KB
30.txt
AC
18 ms
2560 KB
31.txt
AC
17 ms
2560 KB
32.txt
AC
19 ms
2560 KB
33.txt
AC
20 ms
2560 KB
34.txt
AC
16 ms
2560 KB
35.txt
AC
20 ms
2560 KB
36.txt
AC
15 ms
2560 KB
37.txt
AC
14 ms
2560 KB
38.txt
AC
15 ms
2560 KB
39.txt
AC
23 ms
2560 KB
40.txt
AC
15 ms
2560 KB
41.txt
AC
15 ms
2560 KB
42.txt
AC
12 ms
1024 KB
43.txt
AC
22 ms
2560 KB
44.txt
AC
22 ms
2560 KB
45.txt
AC
22 ms
2560 KB
46.txt
AC
23 ms
2560 KB
47.txt
AC
20 ms
1024 KB
48.txt
AC
20 ms
1024 KB
49.txt
AC
3 ms
256 KB
50.txt
AC
3 ms
256 KB
51.txt
AC
3 ms
256 KB
52.txt
AC
3 ms
256 KB
53.txt
AC
3 ms
256 KB
54.txt
AC
3 ms
256 KB
55.txt
AC
3 ms
256 KB
56.txt
AC
3 ms
256 KB
57.txt
AC
3 ms
256 KB
58.txt
AC
3 ms
256 KB
59.txt
AC
3 ms
256 KB
60.txt
AC
3 ms
256 KB
61.txt
AC
3 ms
256 KB
62.txt
AC
3 ms
256 KB
63.txt
AC
3 ms
256 KB
64.txt
AC
3 ms
256 KB
s1.txt
AC
3 ms
256 KB
s2.txt
AC
3 ms
256 KB
s3.txt
AC
3 ms
256 KB
s4.txt
AC
3 ms
256 KB