#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define int ll
#define MP make_pair
#define pb push_back
#define F first
#define S second
#define REP(i,a,b) for(int i=a; i<b; i++)
#define pii pair<int,int>
const int MX=2e2+3, mod=1e9+7;
int n, dp[MX][2];
map <int,int> mp;
int32_t main(){
ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
cin>>n;
REP(i,0,n){
memset(dp, 0, sizeof dp);
int cnt;
cin>>cnt;
mp[cnt]++;
int cur=0, lst=0;
for(auto IT=mp.begin(); IT!=mp.end();){
auto u=(*IT);
cnt=u.F;
while(mp[cnt] && mp[cnt+1]) mp[cnt]--, mp[cnt+1]--, mp[cnt+2]++;
if(mp[cnt]>1){
if(cnt==1){
while(mp[cnt]>1) mp[cnt]-=2, mp[cnt+1]++;
IT++;
continue;
}
else if(cnt==2){
mp[cnt]--;
mp[cnt-1]+=2;
IT--;
}
else{
mp[cnt]--;
mp[cnt-1]++;
mp[cnt-2]++;
IT--;
IT--;
IT--;
}
}
else IT++;
}
cnt=0;
dp[cur++][1]=1;
for(auto u:mp) if(u.S){
// cout<<i<<" "<<u.F<<" "<<u.S<<endl;
cnt=u.F-lst;
if(cnt%2==0){
dp[cur][1]=(dp[cur-1][0]+dp[cur-1][1])%mod;
dp[cur][0]=(dp[cur-1][0]*(cnt/2)%mod+dp[cur-1][1]*(cnt/2-1)%mod)%mod;
}
else{
dp[cur][0]=(dp[cur-1][0]+dp[cur-1][1])*(cnt/2)%mod;
dp[cur][1]=(dp[cur-1][0]+dp[cur-1][1])%mod;
}
cur++;
lst=u.F;
}
cout<<(dp[cur-1][0]+dp[cur-1][1])%mod<<endl;
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
4035 ms |
376 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
4035 ms |
376 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
4 ms |
380 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
4035 ms |
376 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
380 KB |
Output is correct |
2 |
Runtime error |
16 ms |
504 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
4035 ms |
376 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |