Submission #3020218
Source Code Expand
#include<bits/stdc++.h> using namespace std; template <typename T> void chmin(T &x,const T &y) { if(x>y)x=y; } #define rep(i,l,r) for(int i=l;i<=r;++i) const int N=2000+5; int n,k,m,ans; int a[N],b[N]; bool mark[N]; bool a_xiao(int x,int y) { return a[x]<a[y]; } int q[N],top,nq[N]; void check(int l,int r) { int nt=r-l+1; if(nt<k)return ; rep(i,l,r)nq[i-l+1]=a[i]; int can=nt-k+1; nth_element(nq+1,nq+can,nq+nt+1); rep(i,1,can)q[++top]=nq[i]; } void check(int x) { top=0; int last=0; mark[n+1]=1; rep(i,1,n+1) if(mark[i]) { check(last+1,i-1); last=i; } if(top<m){cout<<ans;exit(0);} nth_element(q+1,q+m,q+top+1); chmin(ans,q[m]-a[x]); mark[x]=1; } int main() { //freopen("1.in","r",stdin); cin>>n>>k>>m; rep(i,1,n)scanf("%d",a+i); rep(i,1,n)b[i]=i; sort(b+1,b+n+1,a_xiao); ans=1e9; rep(i,1,n)check(b[i]); cout<<ans; }
Submission Info
Submission Time | |
---|---|
Task | E - Range Minimum Queries |
User | kczno1 |
Language | C++14 (GCC 5.4.1) |
Score | 600 |
Code Size | 905 Byte |
Status | AC |
Exec Time | 31 ms |
Memory | 256 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:48:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] rep(i,1,n)scanf("%d",a+i); ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 600 / 600 | ||||
Status |
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|
Set Name | Test Cases |
---|---|
Sample | sample_01.txt, sample_02.txt, sample_03.txt |
All | sample_01.txt, sample_02.txt, sample_03.txt, sample_01.txt, sample_02.txt, sample_03.txt, subtask_1_01.txt, subtask_1_02.txt, subtask_1_03.txt, subtask_1_04.txt, subtask_1_05.txt, subtask_1_06.txt, subtask_1_07.txt, subtask_1_08.txt, subtask_1_09.txt, subtask_1_10.txt, subtask_1_11.txt, subtask_1_12.txt, subtask_1_13.txt, subtask_1_14.txt, subtask_1_15.txt, subtask_1_16.txt, subtask_1_17.txt, subtask_1_18.txt, subtask_1_19.txt, subtask_1_20.txt, subtask_1_21.txt, subtask_1_22.txt, subtask_1_23.txt, subtask_1_24.txt, subtask_1_25.txt, subtask_1_26.txt, subtask_1_27.txt, subtask_1_28.txt, subtask_1_29.txt, subtask_1_30.txt, subtask_1_31.txt, subtask_1_32.txt, subtask_1_33.txt, subtask_1_34.txt, subtask_1_35.txt, subtask_1_36.txt, subtask_1_37.txt, subtask_1_38.txt, subtask_1_39.txt, subtask_1_40.txt, subtask_1_41.txt, subtask_1_42.txt, subtask_1_43.txt, subtask_1_44.txt, subtask_1_45.txt, subtask_1_46.txt, subtask_1_47.txt, subtask_1_48.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
sample_01.txt | AC | 1 ms | 256 KB |
sample_02.txt | AC | 1 ms | 256 KB |
sample_03.txt | AC | 1 ms | 256 KB |
subtask_1_01.txt | AC | 1 ms | 256 KB |
subtask_1_02.txt | AC | 1 ms | 256 KB |
subtask_1_03.txt | AC | 11 ms | 256 KB |
subtask_1_04.txt | AC | 1 ms | 256 KB |
subtask_1_05.txt | AC | 1 ms | 256 KB |
subtask_1_06.txt | AC | 1 ms | 256 KB |
subtask_1_07.txt | AC | 9 ms | 256 KB |
subtask_1_08.txt | AC | 2 ms | 256 KB |
subtask_1_09.txt | AC | 4 ms | 256 KB |
subtask_1_10.txt | AC | 4 ms | 256 KB |
subtask_1_11.txt | AC | 3 ms | 256 KB |
subtask_1_12.txt | AC | 31 ms | 256 KB |
subtask_1_13.txt | AC | 10 ms | 256 KB |
subtask_1_14.txt | AC | 3 ms | 256 KB |
subtask_1_15.txt | AC | 7 ms | 256 KB |
subtask_1_16.txt | AC | 2 ms | 256 KB |
subtask_1_17.txt | AC | 4 ms | 256 KB |
subtask_1_18.txt | AC | 18 ms | 256 KB |
subtask_1_19.txt | AC | 17 ms | 256 KB |
subtask_1_20.txt | AC | 19 ms | 256 KB |
subtask_1_21.txt | AC | 18 ms | 256 KB |
subtask_1_22.txt | AC | 1 ms | 256 KB |
subtask_1_23.txt | AC | 6 ms | 256 KB |
subtask_1_24.txt | AC | 24 ms | 256 KB |
subtask_1_25.txt | AC | 3 ms | 256 KB |
subtask_1_26.txt | AC | 4 ms | 256 KB |
subtask_1_27.txt | AC | 13 ms | 256 KB |
subtask_1_28.txt | AC | 2 ms | 256 KB |
subtask_1_29.txt | AC | 6 ms | 256 KB |
subtask_1_30.txt | AC | 11 ms | 256 KB |
subtask_1_31.txt | AC | 3 ms | 256 KB |
subtask_1_32.txt | AC | 6 ms | 256 KB |
subtask_1_33.txt | AC | 2 ms | 256 KB |
subtask_1_34.txt | AC | 2 ms | 256 KB |
subtask_1_35.txt | AC | 2 ms | 256 KB |
subtask_1_36.txt | AC | 2 ms | 256 KB |
subtask_1_37.txt | AC | 4 ms | 256 KB |
subtask_1_38.txt | AC | 1 ms | 256 KB |
subtask_1_39.txt | AC | 3 ms | 256 KB |
subtask_1_40.txt | AC | 2 ms | 256 KB |
subtask_1_41.txt | AC | 2 ms | 256 KB |
subtask_1_42.txt | AC | 1 ms | 256 KB |
subtask_1_43.txt | AC | 1 ms | 256 KB |
subtask_1_44.txt | AC | 2 ms | 256 KB |
subtask_1_45.txt | AC | 2 ms | 256 KB |
subtask_1_46.txt | AC | 1 ms | 256 KB |
subtask_1_47.txt | AC | 2 ms | 256 KB |
subtask_1_48.txt | AC | 2 ms | 256 KB |