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C++ algoritmi Cheat Sheet by [deleted]

c-     programare     algoritmi

STRUCTURA ELEMENTARA A PROGRA­MELOR

# include <io­str­eam>
using namespace std;
int main
{ ....
....
}

CEL MAI MARE DIVIZOR COMUN

while (b!=0)
{ r=a%b;
a=b;
b=r;
}
cout<<­"cel mai mare divizor comun dintre­"­<<a­<<"s­i"<<­b<<­"­est­e"<<a;

SUMA CIFRELOR UNUI NUMAR

while (n!=0)
{ u.c=n%10;
s=s+u.c;
n=n/10;
}
cout<<­"suma cifrelor numaru­lui­"­<<n­<<"e­ste­"­<<s;
Variabila s se declara initial cu 0.
 

NUMERE PRIME

for (i=2; i<n/2; i++)
if (n%i==0)
k++;
if (k==0)
cout<<­"­num­aru­l"<<­n<<­"este prim";
Variabila k se declara initial cu 0.

DIVIZORII UNUI NUMAR

for (i=1; i<n; i++)
if (n%i==0)
cout<<­"­div­izorii numaru­lui­"­<<n­<<"s­unt­"­<<i;

DESCOM­PUNEREA IN FACTORI

while (n!=0)
{ u.c=n%10;
n=n/10;
}
 

MAXIMUL DINTRE DOUA NUMERE

if (a>b)
max=a;
else max=b;
cout<<­"­maximul dintre­"­<<a­<<"s­i"<<­b<<­"­est­e"<<max;

MINIMUL DINTRE DOUA NUMERE

if (a<b)
min=a;
else min=b;
cout<<­"­minimul dintre­"­<<a­<<"s­i"<<­b<<­"­est­e"<<min;

NUMERE PARE

if (n%2==0)
cout<<­"­num­aru­l"<<­n<<­"este par";

NUMERE IMPARE

if (n%2==1)
cout<<­"­num­aru­l"<<­n<<­"este impar";

PRODUSUL CIFRELOR UNUI NUMAR

while (n!=0)
{ u.c=n%10;
p=p*u.c;
n=n/10;
}
Variabila p se declara initial cu 1.

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