Structuri de date - Culegere de probleme in C++
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4. Func LL Problema 4.1
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Rezolvare: #include #include int fibb(int n){ if(n<2)return 1; else return(fibb(n-1)+fibb(n-2)); } void main(){ clrscr(); for(int i=1;i<=10;i++)printf("\n %d ***%2d ",i,fibb(i)); } Problema 4.2
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matricea B. Rezolvare:
#include #include #include int a[][3]={{1,2,3},{4,5,6},{7,8,9}}; int (*pa)[3][3],(*pm)[3][3]; int (*patrat (int(*pb)[3][3]) )[3][3]{ int c[3][3]; int (*pc)[3][3]; pc=&c;
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Structuri de date - Culegere de probleme in C++
for(int i=0;i<3;i++){ for(int j=0;j<3;j++){ printf("\n"); c[i][j]=( (*pb)[i][j] * (*pb)[i][j] ); printf(" [%d][%d]= %d",i,j,c[i][j]); } printf("\n"); } return pc; } void main(){ clrscr(); pa=&a; pm=patrat(pa); for(int i=0;i<3;i++){ puts("\n"); for(int j=0;j<3;j++) printf(" %d ",(*pm)[i][j]); } getch(); } Problema 4.3 JOREDO
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matricea pm. Rezolvare:
#include #include #include int a[][3]={{1,2,3},{4,5,6},{7,8,9}}; int (*pa)[3][3],(*pm)[3][3]; int c[3][3];
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Structuri de date - Culegere de probleme in C++
int (*patrat (int(*pb)[3][3]) )[3][3]{ int (*pc)[3][3]; pc=&c; for(int i=0;i<3;i++){ for(int j=0;j<3;j++){ printf("\n"); c[i][j]=( (*pb)[i][j] * (*pb)[i][j] ); printf(" [%d][%d]= %d",i,j,c[i][j]); } printf("\n"); } return pc; } void main(){ clrscr(); pa=&a; pm=patrat(pa); for(int i=0;i<3;i++){ puts("\n"); for(int j=0;j<3;j++) printf(" %d ",(*pm)[i][j]); } getch(); }
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rezultatele. Rezolvare: #include #include
Structuri de date - Culegere de probleme in C++
typedef int zzz(int x); zzz *(yyy[2]); zzz *ppatrat,*pcub; int patrat(int x){ return (x*x); } int cub(int x){ return (x*x*x); } void main(){ clrscr(); int a=4; yyy[0]=patrat; int b=yyy[0](a); printf("\nx*x= %d",b); yyy[1]=cub; b=yyy[1](a); printf("\nx*x*x= %d",b); ppatrat=yyy[0]; pcub=yyy[1]; yyy[0]=pcub; yyy[1]=ppatrat; printf("\nInversari cub cu patrat! %d ... %d",yyy[0](a),yyy[1](a)); getch(); }
Problema 4.5 Indica #include #include float y[100];
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Structuri de date - Culegere de probleme in C++
int f[100],n; float xmed[3]; float (*functii[3])(float x[100],int f[100],int n); float med1(float x[100],int f[100],int n){ float a=0,b; for(int i=0;i
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Structuri de date - Culegere de probleme in C++
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scanf("%d",&n); for(int i=0;i
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Problema 4.6
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#include #include typedef char* f(); f *a[2][2];//o matrice de pointeri spre functii char *s; char *f1(){ return "functia1"; } char* f2(){ return "functia2"; }
char* f3(){
Structuri de date - Culegere de probleme in C++
return "functia3"; } char* f4(){ return "functia4"; } void main(){ clrscr(); a[0][0]=f1; a[0][1]=f2; a[1][0]=f3; a[1][1]=f4; for(unsigned char i=0;i<2;i++) for(unsigned char j=0;j<2;j++){ s=a[i][j](); printf("\n %s",s); } getch(); }
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