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programski jezik
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2.a
#include<iostream>#include<cmath>usingnamespace std;
void suma(int n,double *s){*s=0;for(int i=1;i<=n;i++){ *s=*s+1/(double)pow((2*i+1),2); }
}
void main (){int n;double s;cout<<"Unesite prirodan broj n"<<endl;cin>>n;
suma(n,&s);cout<<"suma je "<<s<<endl;
system ("pause");}
3.b
#include<iostream>#include<string>#include<fstream>usingnamespace std;
ofstream izlaz("Recenica.txt");
void main(){string r;
cout<<"Unesite proizvoljnu recenicu"<<endl;getline(cin,r);
for(int i=r.size()-1;i>=0;i--){izlaz<<r[i];}
system ("pause");}
3.a
#include<iostream>#include<fstream>#include<string>usingnamespace std;
ofstream izlaz("Ispis.txt");
void main(){string r;int sam=0,sug=0;cout<<"Unesite proizvoljnu recenicu"<<endl;getline(cin,r);
for(int i=0;i<r.size();i++){if(r[i]=='a' || r[i]=='e' || r[i]=='i' || r[i]=='o' || r[i]=='u' || r[i]=='A' || r[i]=='E' || r[i]=='I' || r[i]=='O' || r[i]=='U')sam++;elseif(r[i]!='a'&& r[i]!='e'&& r[i]!='i'&& r[i]!='o'&& r[i]!='u'&& r[i]!='A'&& r[i]!='E'&& r[i]!='I'&& r[i]!='O'&& r[i]!='U'&& r[i]!=' '&& r[i]!='.')sug++;}
izlaz<<"Samoglasnika ima "<<sam<<endl;izlaz<<"suglasnika ima "<<sug<<endl;
system("pause");}
2.b
#include<iostream>#include<cmath>usingnamespace std;
void Zkvadrat(int&n){int j,s=0;
while(n>0) {j=n%10; s=s+j;n=n/10; }n=pow(s,2);
}
void main(){int n;cout<<"Unesite prirodan visecifreni broj"<<endl;
p: cin>>n;if(n<10)
{cout<<"Broj nije visecifreni. Unesite ga ponovo."<<endl;goto p; }
Zkvadrat(n);cout<<"Novi broj je "<<n<<endl;
#include<iostream>#include<cmath>usingnamespace std;
void FjaZaUnos(inta[4][4]){ for(int i=1;i<=4;i++) {for(int j=1;j<=4;j++)
cin>>a[i][j]; }}void ispis(inta[4][4]){ for(int i=1;i<=4;i++) {
for(int j=1;j<=4;j++)cout<<a[i][j]<<"\t";
}cout<<endl;}
void NajBroj(inta[4][4]){
int b=abs(a[1][2]);int k;for(int i=1;i<=4;i++) { for(int j=1;j<=4;j++) { if(abs(a[i][j])>b && i<j)
b=abs(a[i][j]); } }k=b;for(int i=1;i<=4;i++) {for(int j=1;j<=4;j++)
{if(abs(a[i][j])==k)
cout<<"Najveci broj je "<<a[i][j]<<", a nalazi se na poziciji ("<<i<<","<<j<<")"<<endl; }
}
}
void main (){ int b[4][4] ;
FjaZaUnos(b); ispis(b);NajBroj(b);
system ("pause");}
1.a
#include<iostream>usingnamespace std;void main (){int a[10],b=0;for(int i=1;i<=10;i++){
cin>>a[i];if(i>1) { if(a[i]<a[i-1]) b++; }}
if((b+1)==10)cout<<"Niz je strogo opadajuci"<<endl;
else cout<<"Niz nije strogo opadajuci"<<endl;
system("pause");}
1.b