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fortran 77 fortran 77 fortran 77 fortran 77 fortran 77 fortran 77

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FORTRAN <strong>77</strong><br />

Input - Output<br />

FORTRAN <strong>77</strong><br />

Esempio 2 [1/3]<br />

READ ({#unità},{#FORMAT}) {variabili}<br />

WRITE ({#unità},{#FORMAT}) {variabili}<br />

es: READ(*,*)I,J READ*,I,J<br />

es: READ(*,10)I,J<br />

10 FORMAT(I5,I6)<br />

es: WRITE(*,*)I,J PRINT*,I,J<br />

es: WRITE(*,*)’riga=‘,I,’colonna=‘,J<br />

es: WRITE(*,10)I,J<br />

10 FORMAT(‘riga=’,I5,2X,‘colonna=’,I6)<br />

PROGRAM ORD<br />

PARAMETER (N=10)<br />

REAL X(N),XCOPY(N),TEMP<br />

C<br />

C ORDINAMENTO CRESCENTE VETTORE X (N ELEMENTI)<br />

C<br />

C<br />

inserimento vettore:<br />

WRITE(*,*) ‘INSERIRE’,N,’ELEMENTI’<br />

DO 10 I=1,N<br />

READ(*,*) X(I)<br />

XCOPY(I)=X(I)<br />

10 CONTINUE<br />

FORTRAN <strong>77</strong><br />

Esempio 2 [2/3]<br />

FORTRAN <strong>77</strong><br />

Esempio 2 [3/3]<br />

C<br />

ordinamento vettore:<br />

DO 30 I=1,N-1<br />

MIN=I<br />

DO 20 J=I+1,N<br />

IF (X(J).LT.X(MIN)) MIN=J<br />

20 CONTINUE<br />

IF (MIN.GT.I) THEN<br />

TEMP=X(MIN)<br />

X(MIN)=X(I)<br />

X(I)=TEMP<br />

ENDIF<br />

30 CONTINUE<br />

C<br />

stampa vettori:<br />

WRITE(*,*) ‘VETTORE INSERITO’<br />

DO 40 I=1,N<br />

WRITE(*,*) XCOPY(I)<br />

40 CONTINUE<br />

WRITE(*,*) ‘VETTORE ORDINATO’<br />

DO 50 I=1,N<br />

WRITE(*,*) X(I)<br />

50 CONTINUE<br />

STOP<br />

END<br />

5

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