Examenul de bacalaureat 2018 - SN

I.1.c
  2.a.1 5
    b.16 17 18 19
    c.
citește a,b
        (numere naturale, a<b)
        u<-0
        k<-a
        ┌pentru i<-1,k,1 executa
        │ s
0
        │ t
1
        │┌cât timp t*t≤k execută
        ││ s
s+t*t
        ││ t
t+1
        │└■
        │┌dacă s≠u atunci
        ││ scrie s, ’ ’
        ││ u
s
        │└■
        └■

    d.
#include <iostream>

using namespace std;

int main()
{ int a,b,s,t,k,u;
 cin>>a>>b;
 u=0;
 k=a;
 while(k<=b)  {s=0;
               t=1;
               while(t*t<=k){s=s+t*t;
                              t=t+1;}
               if(s!=u) {cout<<s<<" ";
                          u=s;}
               k=k+1;
               }
 return 0;
}
II.1.b
   2.b
   3.struct {int ora_aterizare;
             int minut_aterizare;
             int durata;
                  }
   4.
#include <bits/stdc++.h>
using namespace std;
int main()
{int n,k,ok=0,p=0,cn,nrc=0,nrr=0,pp;
cin>>n>>k;
cn=n;
while(cn)
{p++;
if(cn%10==k)
    {ok=1;
    break;}
cn=cn/10;}
if(ok==0 || p==1)
    cout<<n;
else
{nrc=log10(n)+1;
nrr=nrc-p+1;
cn=n;
pp=pow(10,nrc-1);
while(nrr)
    {cn=cn%pp*10+cn/pp;
    nrr--;}
    cout<<cn;
}
    return 0;
}

III.1.a
    2.nr=0;
      nr++;
    3.
#include <bits/stdc++.h>
using namespace std;
int main()
{int n,x,y,i,v[101];
cin>>n;

for(i=1;i<=n;i++)
    cin>>v[i];
cin>>x>>y;
for(i=1;i<=n;i++)
    {if(v[i]==x)
    v[i]=y;
    else
    if(v[i]==y)
    v[i]=x;}
for(i=1;i<=n;i++)
    cout<<v[i]<<" ";
    return 0;
}
   4.
#include <bits/stdc++.h>
using namespace std;
ofstream fout("bac.txt");
int main()
{int n,i,p=0,c;
cin>>n;
for(i=1;i<=n;i++)
    if(i%2==0)
    {c=i;
    while(c%2==0)
{p++;
c=c/2;}}
fout<<p/2;
    return 0;
}