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- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- int main()
- {
- //Ex 1
- int nr1, nr2;
- printf("Primul numer: ");
- scanf("%d", &nr1);
- printf("Al doilea numar: ");
- scanf("%d", &nr2);
- printf("%d", nr1 + nr2);
- //Ex2
- int nr3;
- printf("Primul numer: ");
- scanf("%d", &nr1);
- printf("Al doilea numar: ");
- scanf("%d", &nr2);
- printf("Al treilea numar: ");
- scanf("%d", &nr3);
- printf("%d", nr1 + nr2 + nr3);
- //Ex 3 prima parte
- int nr4;
- scanf("%d %d %d %d",&nr1,&nr2,&nr3,&nr4);
- printf("%d",nr1 + nr2+ nr3 + nr4);
- //Ex 3 verificare numar prim
- int d,s,x,ok;
- ok = 0;
- scanf("%d",&x);
- s = 0;
- for(d = 2; d <= x/2; d++)
- if(x%d == 0)
- ok = 1;
- if(ok == 1)
- printf("Numarul nu este prim");
- else
- printf("Numarul este prim");
- //Ex4 si Ex 5
- printf("Primul numar: ");
- scanf("%d", &nr1);
- if(nr1 % 2 == 0)
- printf("Numarul e par");
- else
- printf("Numarul e impar");
- //Ex 6 ax+b = 0
- int a, b;
- printf("a = ");
- scanf("%d", &a);
- printf("b = ");
- scanf("%d", &b);
- printf("%d", -b/a);
- //Ex 7 ax^2 + bx + c = 0
- int c;
- printf("a = ");
- scanf("%d", &a);
- printf("b = ");
- scanf("%d", &b);
- printf("c = ");
- scanf("%d", &c);
- double delta = b*b - 4 * a * c;
- if(delta == 0)
- printf("X1 si X2 sunt: %f", -b/2*a );
- if(delta < 0 )
- printf("Nu exista solutii reale");
- if(delta > 0)
- {
- printf("X1 este %f", (-b + delta)/2*a);
- printf("\nX2 este %f", (-b - delta)/2*a);
- }
- //Ex 8
- printf("Introdu x: ");
- scanf("%d", &x);
- printf("Rezultat: %d", 5 * x * x + 2 * x);
- //Ex 9
- char cuvant[256];
- int nrVocale = 0, nrConsoane;
- scanf("%s", cuvant);
- for(int i = 0; i < strlen(cuvant); i ++){
- if(strchr("AEIOUaeiou",cuvant[i]) != 0)
- nrVocale ++;
- }
- printf("Nr vocale: %d", nrVocale);
- printf("\nNr consoane: %d", strlen(cuvant) - nrVocale);
- //Ex 10
- char propozitie[256], sp =[ ], *p;
- int numarCuvinte = 0;
- scanf("%s", propozitie);
- p = strtok(propozitie,sp);
- while(p){
- numarCuvinte ++;
- pch = strtok(null, sp);
- }
- printf("Numar cuvinte: %d", numarCuvinte);
- return 0;
- }
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