Submission #3011383
Source Code Expand
#include <bits/stdc++.h> using namespace std; auto Nextint=[]()->int{int x;scanf("%d",&x);return x;}; int n,a[1000001]; bool check(int x) { vector<int> pos; auto func=[x](int p)->bool{return a[p]>=x;};auto proc=[](bool a,bool b,bool c)->bool{return a==b||b==c;}; for(int i=2;i<=2*(n-1);++i)if(proc(func(i-1),func(i),func(i+1)))pos.push_back(i); if(pos.empty())return func(1); auto res=0,maxn=INT_MAX; for(auto i : pos)if(abs(i-n)<maxn)res=i,maxn=abs(i-n); return func(res); } int main() { n=Nextint(); for(int i=1;i<=2*n-1;++i)[](int i)->void{a[i]=Nextint();}(i); auto l=1,r=2*n,ans=0; while(l<=r) { auto mid=(l+r)>>1; if(check(mid))l=mid+1,ans=mid;else r=mid-1; } printf("%d\n",ans); }
Submission Info
Submission Time | |
---|---|
Task | D - Median Pyramid Hard |
User | luogu_bot4 |
Language | C++14 (GCC 5.4.1) |
Score | 1300 |
Code Size | 868 Byte |
Status | AC |
Exec Time | 58 ms |
Memory | 2896 KB |
Compile Error
./Main.cpp: In lambda function: ./Main.cpp:2:199: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] using namespace std; auto Nextint=[]()->int{int x;scanf("%d",&x);return x;}; ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 1300 / 1300 | ||||
Status |
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Set Name | Test Cases |
---|---|
Sample | 0_00.txt, 0_01.txt |
All | 0_00.txt, 0_01.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, 1_20.txt, 1_21.txt, 1_22.txt, 1_23.txt, 1_24.txt, 1_25.txt, 1_26.txt, 1_27.txt, 1_28.txt, 1_29.txt, 1_30.txt, 1_31.txt, 1_32.txt, 1_33.txt, 1_34.txt, 1_35.txt, 1_36.txt, 1_37.txt, 1_38.txt, 1_39.txt, 1_40.txt, 1_41.txt, 1_42.txt, 1_43.txt, 1_44.txt, 1_45.txt, 1_46.txt, 1_47.txt, 1_48.txt, 1_49.txt, 1_50.txt, 1_51.txt, 1_52.txt, 1_53.txt, 1_54.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
0_00.txt | AC | 1 ms | 256 KB |
0_01.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 | 41 ms | 2896 KB |
1_04.txt | AC | 41 ms | 2896 KB |
1_05.txt | AC | 29 ms | 1660 KB |
1_06.txt | AC | 29 ms | 1660 KB |
1_07.txt | AC | 29 ms | 1660 KB |
1_08.txt | AC | 29 ms | 1660 KB |
1_09.txt | AC | 41 ms | 2892 KB |
1_10.txt | AC | 41 ms | 2896 KB |
1_11.txt | AC | 29 ms | 1660 KB |
1_12.txt | AC | 29 ms | 1660 KB |
1_13.txt | AC | 29 ms | 1660 KB |
1_14.txt | AC | 29 ms | 1660 KB |
1_15.txt | AC | 46 ms | 2836 KB |
1_16.txt | AC | 43 ms | 2668 KB |
1_17.txt | AC | 50 ms | 2672 KB |
1_18.txt | AC | 49 ms | 2672 KB |
1_19.txt | AC | 30 ms | 1812 KB |
1_20.txt | AC | 30 ms | 1816 KB |
1_21.txt | AC | 31 ms | 1804 KB |
1_22.txt | AC | 31 ms | 1808 KB |
1_23.txt | AC | 32 ms | 1680 KB |
1_24.txt | AC | 31 ms | 1660 KB |
1_25.txt | AC | 43 ms | 2024 KB |
1_26.txt | AC | 31 ms | 1684 KB |
1_27.txt | AC | 43 ms | 2572 KB |
1_28.txt | AC | 33 ms | 1784 KB |
1_29.txt | AC | 32 ms | 1856 KB |
1_30.txt | AC | 35 ms | 2568 KB |
1_31.txt | AC | 30 ms | 1660 KB |
1_32.txt | AC | 41 ms | 1992 KB |
1_33.txt | AC | 40 ms | 2664 KB |
1_34.txt | AC | 32 ms | 1692 KB |
1_35.txt | AC | 35 ms | 1808 KB |
1_36.txt | AC | 36 ms | 1800 KB |
1_37.txt | AC | 42 ms | 1968 KB |
1_38.txt | AC | 33 ms | 1784 KB |
1_39.txt | AC | 42 ms | 1964 KB |
1_40.txt | AC | 43 ms | 2052 KB |
1_41.txt | AC | 31 ms | 1808 KB |
1_42.txt | AC | 39 ms | 1980 KB |
1_43.txt | AC | 34 ms | 1772 KB |
1_44.txt | AC | 42 ms | 1944 KB |
1_45.txt | AC | 31 ms | 1660 KB |
1_46.txt | AC | 39 ms | 1996 KB |
1_47.txt | AC | 50 ms | 2744 KB |
1_48.txt | AC | 58 ms | 2728 KB |
1_49.txt | AC | 46 ms | 2828 KB |
1_50.txt | AC | 57 ms | 2736 KB |
1_51.txt | AC | 52 ms | 2672 KB |
1_52.txt | AC | 55 ms | 2732 KB |
1_53.txt | AC | 56 ms | 2732 KB |
1_54.txt | AC | 58 ms | 2680 KB |