update P3865

This commit is contained in:
Zengtudor 2024-08-08 09:13:42 +08:00
parent 002d394e54
commit bcb5e1b27b
3 changed files with 96 additions and 2 deletions

10
day6/P3865/1.in Normal file
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@ -0,0 +1,10 @@
8 8
9 3 1 7 5 6 0 8
1 6
1 5
2 7
2 6
1 8
4 8
3 7
1 8

76
day6/P3865/P3865.cpp Normal file
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@ -0,0 +1,76 @@
#include<bits/stdc++.h>
using namespace std;
inline int read()
{
int x=0,f=1;char ch=getchar();
while (ch<'0'||ch>'9'){if (ch=='-') f=-1;ch=getchar();}
while (ch>='0'&&ch<='9'){x=x*10+ch-48;ch=getchar();}
return x*f;
}
#define int long long
#ifdef OIPRINT
#define PRINT_VALUE(v){cout<<"[DEBUG]: "<<#v<<" :"<<(v)<<endl;}
#endif
#ifndef OIPRINT
#define PRINT_VALUE(v)
#endif
inline int max(int a,int b){
return a>b?a:b;
}
const int MAX_N = 1e5+5,MAX_K=17;
int n,m,s[MAX_N][MAX_K],l[MAX_N];
signed main(){
// cin.sync_with_stdio(false);
// cin.tie(0);
// cin>>n>>m;
n=read();
m=read();
PRINT_VALUE(n);
PRINT_VALUE(m);
l[1]=0;
// for(int i=2;i<=n;i++){
// l[i]=l[i/2]+1;
// }
for(int i=1;i<=n;i++){
// cin>>s[i][0];
s[i][0]=read();
PRINT_VALUE(s[i][0]);
if(i!=1)l[i]=l[i/2]+1;
}
int k=l[n]+1;
for(int j=1;j<=k;j++){
for(int i=1;i-1+(1<<j)<=n;i++){
PRINT_VALUE(i);
PRINT_VALUE(j);
s[i][j]=max(s[i][j-1],s[i+(1<<(j-1))][j-1]);
PRINT_VALUE(s[i][j]);
}
}
for(int i=1;i<=m;i++){
int le,r;
// cin>>le>>r;
le=read();
r=read();
PRINT_VALUE(le-r+1);
int j=l[r-le+1];
PRINT_VALUE(le);
PRINT_VALUE(r);
PRINT_VALUE(j);
// PRINT_VALUE(s[le][j]);
// PRINT_VALUE(s[r-(1<<j)+1][j]);
// PRINT_VALUE(r-(1<<j)+1)
cout<<max(s[le][j],s[r-(1<<j)+1][j])<<endl;
}
}

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@ -1,8 +1,11 @@
add_rules("mode.release","mode.debug")
if is_mode("debug")then
add_cxxflags("-DOIPRINT")
end
target("st_raw")
set_kind("binary")
add_files("day5/RMQ/st_raw.cpp")
-- add_cxxflags("-DOIDEBUG")
set_rundir("./day5/RMQ")
target("st_done")
@ -11,4 +14,9 @@ target("st_done")
target("test")
set_kind("binary")
add_files("test.cpp")
add_files("test.cpp")
target("P3865")
set_kind("binary")
add_files("./day6/P3865/*.cpp")