BAC 2021 TEST 1 ANTRENAMENT INFO

I.
1.b
2.b
3.a
4.d
5.c

II.
1.
a) -1
b) 7888 , 7889 ,7999
c)
#include <bits/stdc++.h>
using namespace std;
int main()
{int n,m,c;
    cin>>n;
    m=10;
    if(n==0)
        m=0;
    else
    {do{c=n%10;
        n=n/10;
         if(c<=m)
          m=c;
          else
          m=-1;
         }while(n!=0);
       }
     cout<<m;
    return 0;
}

d)
citește n (număr natural)
m10
┌dacă n=0 atunci
│ m<-0
│altfel
│ c<-n%10; n<-[n/10]
│ ┌dacă c<=m atunci mc
│ │altfel m<- -1
│ └■
│ ┌cat timp n!=0
| | c<-n%10; n<-[n/10]
│ |┌dacă c<=m atunci mc
│ |│altfel m<- -1
│ |└■
│ └■
└■
scrie m

2.
149
167
347

3.
7
2020-2021

III.
1.
void divX(int n,int x)
{int c,i;
c=n*x;
for(i=n;i>=1;i--)
{cout<<c<<" ";
c=c-x;}
}

2.
#include <bits/stdc++.h>
using namespace std;
int main()
{int a[101][101],i,j,n;
cin>>n;
for(i=1;i<=n;i++)
    for(j=1;j<=n;j++)
    cin>>a[i][j];
for(i=1;i<=n;i++)
cout<<a[i][1]<<" ";
for(j=2;j<=n;j++)
    cout<<a[n][j]<<" ";
for(i=n-1;i>=1;i--)
    cout<<a[i][n]<<" ";
for(j=n-1;j>=2;j--)
    cout<<a[1][j]<<" ";

    return 0;
}

3.
#include <bits/stdc++.h>
using namespace std;
ifstream fin("bac.in");
int ap[101];
int main()
{int x,ok=0,cate=0,i;
while(fin>>x)
{if(log10(x)+1==2)
if(ap[x]==0)
    {cate++;
    ap[x]=1;}}
if(cate>79)
cout<<"nu exista";
else
    for(i=99;i>=10;i--)
    {if(ap[i]==0 && i%11!=0)
    {cout<<i<<" ";
    ok++;}
    if(ok==2)
        break;}
    return 0;
}