#include<bits/stdc++.h> using namespace std; int main(){ int n; cin>>n; if(n%30){ cout<<"3 "; } if(n%50){ cout<<"5 "; } if(n%7==0){ cout<<"7 "; } if(n%3!=0 and n%5!=0 and n%7!=0){ cout<<"n "; }

return 0;

}

#include<bits/stdc++.h> using namespace std; int main(){ int n,c=1; cin>>n; if(n%30) cout<<"3"<<" ",c=0; if(n%50) cout<<"5"<<" ",c=0; if(n%7==0) cout<<"7",c=0; if(c) cout<<"n"; return 0; }

#include<bits/stdc++.h>
 using namespace std; 
int main(){ 
int n,f=1;
 cin>>n; 
if(n% 3==0){
 cout<<"3"<<" ";
f=0;
}
 if(n%5==0){
 cout<<"5 ";
f=0;
}
 if(n%7==0){
 cout<<"7";
f=0;
}
 if(f==1){
 cout<<"n";}
 return 0; 
}

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資訊

遞交者 666 (yiyuanhehuan) LV 4題目y1047 [ybt]1047 判断能否被3，5，7整除語言C++ 14遞交時間13 秒前分數100總耗時20ms峰值記憶體376 KiB

#include<bits/stdc++.h> using namespace std; int main(){ int n; cin>>n; if(n%30){ cout<<"3 "; } if(n%50){ cout<<"5 "; } if(n%7==0){ cout<<"7 "; } if(n%3!=0 && n%5!=0 && n%7!=0){ cout<<"n "; }

return 0; }

#include<bits/stdc++.h>
#include<cmath>
#include<iomanip>

using namespace std;

int main(){
double a,b,c;
double x1,x2;
cin>>a>>b>>c;
x1=( -b-sqrt(b*b-4*a*c) )/(2*a);
x2=( -b+sqrt(b*b-4*a*c) )/(2*a);
if(b*b-4*a*c>0){
cout<<fixed<<setprecision(5)<<"x1="<<x1<<";"<<"x2="<<x2;
}
else if(b*b-4*a*c==0){
cout<<fixed<<setprecision(5)<<"x1=x2="<<x1;
}
else{
cout<<"No answer!";
}
return 0;
}

#include<iostream> using namespace std; int main(){ int n,f=1; cin>>n; if(n%30){ cout<<"3 "; f=0; } if(n%50){ cout<<"5 "; f=0; } if(n%70){ cout<<"7 "; f=0; } if(f1){ cout<<"n"; } return 0; }