coco-cosmin

2007-01-14T11:55:00.000-08:00

1.
#include #include #include main(){ int a,b,c,d; float x1,x2;clrscr();printf("a="); scanf("%d",&a);printf("b="); scanf("%d",&b);printf("c="); scanf("%d",&c);d=b*b-4*a*c; if (d>=0) { x1=(-b+sqrt(d))/(2*a); printf("x1= %2.2f\n",x1); x2=(-b-sqrt(d))/(2*a); printf("x2= %2.2f\n",x2); } else { printf("\nDelta negativ, nu exista solutii in multimea nr reale."); } getch();}
2.
#include #include main() { float a,b,rez; short opt; clrscr(); printf("Alegeti o operatie(1 pt. adunare,2 pt. scadere,3 pt. inmultire,4 pt. impartire):"); scanf("%d",&opt); printf("a="); scanf("%f",&a); printf("b="); scanf("%f",&b); switch(opt){ case 1:rez=a+b; printf("Dupa adunare:%f",rez); break; case 2:rez=a-b; printf("Dupa scadere:%f",rez); break; case 3:rez=a*b; printf("Dupa inmultire:%f",rez); break; case 4:if(b!=0){ rez=a/b; printf("Dupa impartire:%f",rez); } else printf("Impartire la 0!"); break; default:printf("Optiune gresita!");} getch(); }
3.
#include #include #include int main () { int nr,suma=0; printf("nr:"); scanf("%d",&nr); do { suma=suma+nr%10; nr=nr / 10;} while (nr!=0); printf("suma este %d",suma); getch(); }
4.
#include#include main() { int n1,n2; clrscr(); printf("dati un nr:"); scanf("%d",&n1); printf("dati un nr:"); scanf("%d",&n2); do{ if(n1>n2) n1=n1-n2; else n2=n2-n1; } while(n1!=n2); printf("cmmdc=%d",n1); getch(); }
5.
#include #include main() { int nr, max; clrscr(); printf("nr=");scanf("%d",&nr); if (nr==0) max=0; else { max=nr; do { printf("nr="); scanf("%d",&nr); if (nr>max) max=nr; } while (nr != 0 ); }; printf("Maximul este %d\n", max); getch(); }
6.
#include #include main() { int i, n; float sm, med=0; clrscr(); printf("Nr studenti:"); scanf("%d", &n); for (i=1; i<=n; i++) { printf("med[%d]:", i); scanf("%f", &sm); med=med+sm; } printf("Media grupei este:%0.2f\n", med/n); getch(); }

2007-01-14T11:50:00.000-08:00

7.
#include #include #include main () { int prim, nr, i; clrscr(); printf("nr:"); scanf("%d",&nr); prim=1; for (i=2;i<=sqrt(nr);i++) if (nr%i==0) prim=0; if (prim==1) printf("%d este prim\n", nr); else printf("%d nu este prim\n", nr); getch(); }
8.
#include #include main() { int i,j, k=0, s=0, v[1000]; clrscr(); for(i=6; i<10000; i++) { for(j=1; j<=i/2; j++) if(i%j==0) s=s+j; if(s==i) { v[k]=i; k++; } s=0; } for(i=0; i9.
#include #include main() { int i,n,m,min; clrscr(); printf("dati un nr:"); scanf("%d", &n); printf("Mai dati un nr:"); scanf("%d", &m); if(n10.
#include #include main() { int n, p, k=0, i, nr; clrscr(); printf("Numarul de nr: n="); scanf("%d", &n); printf("p="); scanf("%d", &p); for(i=1; i<=n; i++) { printf("Dati un nr:"); scanf("%d", &nr); while(nr%p==0) { k++; nr=nr/p; } } printf("k maxim: %d", k); getch(); }
11.
#include #include #include main() { int p[1000], k=1, dp[1000],i, n, o, j, l=0, prim; clrscr(); p[0]=2; printf("introd nr:");scanf("%d", &n);
for(i=3; i<=n; i++) { prim=1; for(j=2; j<=int(sqrt(i)); j++) { if(i%j==0) prim=0; } if(prim){p[k]=i; k++;} } o=n;for(i=0; i}
12.
#include #include main() { int n, m, max=0; clrscr(); printf("n="); scanf("%d", &n); printf("m="); scanf("%d", &m); do { if (n%10 > m%10) max=max*10+n%10; else max=max*10+m%10; n=n/10; m=m/10; } while (n!=0 m!=0); printf("Numarul final este: %d\n", max); getch(); }
13.
#include #include #include main() { struct elev { char nume[30]; float nota; }; struct elev lista[50]; int n, i; float med=0; sqrt(4); clrscr(); printf("Nr de elevi="); scanf("%d", &n); for(i=0;i=med) printf("%s\n", lista[i].nume); getch(); }

2007-01-14T11:48:00.000-08:00

14.dif.#include #include main() { int i, j, n, m, v1[20], v2[20], gasit, poz=0, v3[20]; clrscr(); printf("n="); scanf("%d", &n); for (i=0;i14.b.int.#include #include main() { int i, j, n, m, v1[20], v2[20], gasit, poz=0, v3[20]; clrscr(); printf("n="); scanf("%d", &n); for (i=0;i14.c.reun.#include #include main() { int i, j, n, m, v1[20], v2[20], gasit, poz, v3[20]; clrscr(); printf("n="); scanf("%d", &n); for (i=0;i#include #include main() { int i, x, j, n, a, p=1, s=0, p1=1; clrscr(); printf("Gradul polinomului este:"); scanf("%d", &n); printf("x="); scanf("%d", &x); printf("a="); scanf("%d", &a); s=s+a; for (i=1;i<=n;i++) { printf("a="); scanf("%d", &a); for (j=1;j<=i;j++) p=p*x; p1=a*p; p=1; s=s+p1; } printf("P(x)=%d\n",s); getch();}

2006-05-21T05:54:00.000-07:00

Clasa a IV-a I, 1990