update st
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parent
cd16421688
commit
002d394e54
@ -1,5 +1,6 @@
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5 5
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5
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1 2 3 4 5
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5
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1 2
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2 3
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3 4
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30
day5/RMQ/st_done.cpp
Normal file
30
day5/RMQ/st_done.cpp
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@ -0,0 +1,30 @@
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#include<bits/stdc++.h>
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using namespace std;
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int main(){
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int n;
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cin>>n;
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int l2[n+1];
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l2[1]=0;
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for(int i=2;i<=n;i++){
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l2[i]=l2[i>>1]+1;
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}
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int k=l2[n]+1;
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int s[n+1][k+1];
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for(int i=1;i<=n;i++){
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cin>>s[i][0];
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}
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for(int j=1;j<=k;j++){
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for(int i=1;i+(1<<j)-1<=n;i++){
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s[i][j]=min(s[i][j-1],s[i+(1<<(j-1))][j-1]);
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}
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}
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int m;
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cin>>m;
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for(int i=1;i<=m;i++){
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int l,r;
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cin>>l>>r;
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int j=l2[r-l+1];
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cout<<min(s[l][j],s[r-(1<<j)+1][j])<<endl;
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}
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}
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@ -1,3 +1,5 @@
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//NOT DONE
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//TODO BUGFIX
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#include<bits/stdc++.h>
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using namespace std;
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6
test.cpp
Normal file
6
test.cpp
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@ -0,0 +1,6 @@
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#include <bits/stdc++.h>
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using namespace std;
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int main(){
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cout<<(8>>1)<<endl;
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}
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10
xmake.lua
10
xmake.lua
@ -3,4 +3,12 @@ target("st_raw")
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set_kind("binary")
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add_files("day5/RMQ/st_raw.cpp")
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-- add_cxxflags("-DOIDEBUG")
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set_rundir("./day5/RMQ")
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set_rundir("./day5/RMQ")
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target("st_done")
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set_kind("binary")
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add_files("./day5/RMQ/st_done.cpp")
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target("test")
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set_kind("binary")
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add_files("test.cpp")
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