Submission #1612144
Source Code Expand
#include<iostream> #include<cstdio> #include<cstring> template<typename T>inline void check_min(T a,T &b){if(a<b)b=a;} template<typename T>inline void read(T &x) { char c=x=0; for(c=getchar();!isdigit(c);c=getchar()); for(;isdigit(c);c=getchar())x=(x<<3)+(x<<1)+(c^48); } namespace bf { typedef long long ll; const int N=100010; const ll INF=214748364700000ll; struct Increasing_queue { ll dl[N]; int pos[N]; int head,tail; void init(){head=0,tail=1;} void insert(ll x,int p) { while(head>=tail && dl[head]>=x)head--; dl[++head]=x; pos[head]=p; } void del(int p) { while(head>=tail && pos[tail]<=p)tail++; } ll query(){return head>=tail?dl[tail]:INF;} }d; int a[N],b[N]; ll f[N],tmp; int n,m; void initialize() { read(n),read(a[n]),read(m); for(int i=0;i<n;i++) read(a[i]); for(int i=1;i<=n;i++) b[i]=a[i]-a[i-1]; } inline ll get_dis(int i,int j){return a[j]-b[j]-a[i];} // inline ll calc(int i,int j) // { // ll dis=get_dis(i,j),ret=dis*3+b[j]; // ret+=std::max(0ll,m-dis*2); // return ret; // } void solve() { initialize(); d.init(),tmp=INF; f[0]=a[0],d.insert(f[0]-a[0],0); int ind=0; for(int i=1;i<=n;i++) { for(;ind<i && get_dis(ind,i)*2>m;ind++) d.del(ind),check_min(f[ind]-3ll*a[ind],tmp); f[i]=d.query()+a[i]+m; check_min(tmp+3ll*a[i]-2ll*b[i],f[i]); d.insert(f[i]-a[i],i); } printf("%lld\n",f[n]); } } int main() { bf::solve(); return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - Shik and Game |
User | Demerzel_IV |
Language | C++14 (GCC 5.4.1) |
Score | 1200 |
Code Size | 1532 Byte |
Status | AC |
Exec Time | 13 ms |
Memory | 3072 KB |
Judge Result
Set Name | Sample | Subtask1 | All | ||||||
---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 600 / 600 | 600 / 600 | ||||||
Status |
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Set Name | Test Cases |
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Sample | 0_00.txt, 0_01.txt, 0_02.txt |
Subtask1 | 0_00.txt, 0_01.txt, 0_02.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt, 1_12.txt, 1_13.txt, 1_14.txt, 1_15.txt, 1_16.txt, 1_17.txt, 1_18.txt, 1_19.txt |
All | 0_00.txt, 0_01.txt, 0_02.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt, 1_12.txt, 1_13.txt, 1_14.txt, 1_15.txt, 1_16.txt, 1_17.txt, 1_18.txt, 1_19.txt, 2_00.txt, 2_01.txt, 2_02.txt, 2_03.txt, 2_04.txt, 2_05.txt, 2_06.txt, 2_07.txt, 2_08.txt, 2_09.txt, 2_10.txt, 2_11.txt, 2_12.txt, 2_13.txt, 2_14.txt, 2_15.txt, 2_16.txt, 2_17.txt, 2_18.txt, 2_19.txt, 2_20.txt, 2_21.txt, 2_22.txt, 2_23.txt, 2_24.txt, 2_25.txt, 2_26.txt, 2_27.txt, 2_28.txt, 2_29.txt, 2_30.txt, 2_31.txt, 2_32.txt, 2_33.txt, 2_34.txt, 2_35.txt, 2_36.txt, 2_37.txt, 2_38.txt, 2_39.txt, 2_40.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
0_00.txt | AC | 1 ms | 256 KB |
0_01.txt | AC | 1 ms | 256 KB |
0_02.txt | AC | 1 ms | 256 KB |
1_00.txt | AC | 1 ms | 256 KB |
1_01.txt | AC | 1 ms | 256 KB |
1_02.txt | AC | 1 ms | 256 KB |
1_03.txt | AC | 1 ms | 256 KB |
1_04.txt | AC | 1 ms | 256 KB |
1_05.txt | AC | 1 ms | 256 KB |
1_06.txt | AC | 1 ms | 256 KB |
1_07.txt | AC | 1 ms | 256 KB |
1_08.txt | AC | 1 ms | 256 KB |
1_09.txt | AC | 1 ms | 256 KB |
1_10.txt | AC | 1 ms | 256 KB |
1_11.txt | AC | 1 ms | 256 KB |
1_12.txt | AC | 1 ms | 256 KB |
1_13.txt | AC | 1 ms | 256 KB |
1_14.txt | AC | 1 ms | 256 KB |
1_15.txt | AC | 1 ms | 256 KB |
1_16.txt | AC | 1 ms | 256 KB |
1_17.txt | AC | 1 ms | 256 KB |
1_18.txt | AC | 1 ms | 256 KB |
1_19.txt | AC | 1 ms | 256 KB |
2_00.txt | AC | 9 ms | 2944 KB |
2_01.txt | AC | 9 ms | 2944 KB |
2_02.txt | AC | 9 ms | 2944 KB |
2_03.txt | AC | 9 ms | 2944 KB |
2_04.txt | AC | 9 ms | 2944 KB |
2_05.txt | AC | 10 ms | 2816 KB |
2_06.txt | AC | 10 ms | 2816 KB |
2_07.txt | AC | 10 ms | 2816 KB |
2_08.txt | AC | 10 ms | 2816 KB |
2_09.txt | AC | 10 ms | 2816 KB |
2_10.txt | AC | 11 ms | 2944 KB |
2_11.txt | AC | 11 ms | 2944 KB |
2_12.txt | AC | 11 ms | 2944 KB |
2_13.txt | AC | 11 ms | 2944 KB |
2_14.txt | AC | 11 ms | 2944 KB |
2_15.txt | AC | 11 ms | 2944 KB |
2_16.txt | AC | 11 ms | 2944 KB |
2_17.txt | AC | 11 ms | 2816 KB |
2_18.txt | AC | 12 ms | 2816 KB |
2_19.txt | AC | 12 ms | 2688 KB |
2_20.txt | AC | 12 ms | 2688 KB |
2_21.txt | AC | 12 ms | 2688 KB |
2_22.txt | AC | 13 ms | 2816 KB |
2_23.txt | AC | 12 ms | 2816 KB |
2_24.txt | AC | 12 ms | 2944 KB |
2_25.txt | AC | 12 ms | 2944 KB |
2_26.txt | AC | 12 ms | 2944 KB |
2_27.txt | AC | 12 ms | 2944 KB |
2_28.txt | AC | 12 ms | 2944 KB |
2_29.txt | AC | 12 ms | 2944 KB |
2_30.txt | AC | 12 ms | 2944 KB |
2_31.txt | AC | 12 ms | 2944 KB |
2_32.txt | AC | 12 ms | 2944 KB |
2_33.txt | AC | 12 ms | 2944 KB |
2_34.txt | AC | 12 ms | 3072 KB |
2_35.txt | AC | 12 ms | 2816 KB |
2_36.txt | AC | 12 ms | 2816 KB |
2_37.txt | AC | 12 ms | 2816 KB |
2_38.txt | AC | 12 ms | 2688 KB |
2_39.txt | AC | 12 ms | 2560 KB |
2_40.txt | AC | 12 ms | 2432 KB |