This commit is contained in:
Zengtudor 2024-08-23 21:44:31 +08:00
parent b4037033dd
commit 6bc2d99e25
5 changed files with 65 additions and 1 deletions

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#include<bits/stdc++.h>
using namespace std;
int n;
int main(){
ios::sync_with_stdio(false),cin.tie(0),cout.tie(0);
}

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#include<bits/stdc++.h>
using namespace std;
bool is_pf(int n){
int a = sqrt(n);
if(a*a==n){
return true;
}else{
return false;
}
}
bool is_huiwen(int n){
stringstream ss;
ss<<std::oct<<n;
string bjz(ss.str());
int j=bjz.size()-1;
for(int i=0;i<bjz.size();++i,--j){
if(bjz[i]!=bjz[j]){
return false;
}
}
return true;
}
int main(){
ios::sync_with_stdio(false),cin.tie(0),cout.tie(0);
int n;
cin>>n;
for(int i=1;i<=n;i++){
if(is_pf(i)&&is_huiwen(i)){
cout<<i<<" ";
}
}
cout<<endl;
}

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1. A
2. D
3. C
4. A
5. C

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@ -1,4 +1,15 @@
add_rules("mode.debug","mode.release")
if is_mode("debug") then
add_cxxflags("-O2")
end
set_languages("c++17")
target("P1158")
set_rundir("20240821/P1158")
add_files("20240821/P1158/P1158.cpp")
target("lq148jz")
add_files("20240823/十四届蓝桥比赛/八进制回文平方数.cpp")
target("lq14zy")
add_files("20240823/十四届蓝桥比赛/主要成分.cpp")