1016. Predkość średnia
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#include<iostream> using namespace std; int main(){ int v1,v2,a; cin>>a; for(int i=0;i<a;i++){ cin>>v1>>v2; cout<<(2*v2*v1)/(v1+v2)<<endl; } } |
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#include<iostream> using namespace std; int main(){ int v1,v2,a; cin>>a; for(int i=0;i<a;i++){ cin>>v1>>v2; cout<<(2*v2*v1)/(v1+v2)<<endl; } } |
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#include<iostream> using namespace std; int a; int main(){ ios_base::sync_with_stdio(0); string c; cin>>a; for(int i=0;i<a;i++){ cin>>c; for(int j=0;j<c.length()/2;j++){ cout<<c[j]; } cout<<endl; } } |
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#include<iostream> using namespace std; int main(){ ios_base::sync_with_stdio(false); char znak; int a,b,tab[10]; while(cin>>znak>>a>>b){ if(znak=='z')tab[a]=b; else switch(znak){ case '+': cout<<tab[a]+tab[b]<<endl;break; case '-': cout<<tab[a]-tab[b]<<endl;break; case '*': cout<<tab[a]*tab[b]<<endl;break; case '/': cout<<tab[a]/tab[b]<<endl;break; case '%': cout<<tab[a]%tab[b]<<endl;break; } } } |