Rezumat problemă

sum

#1

Să se scrie un program care citeşte din fişier două numere întregi şi determină suma lor.

Fișiere Candale Silviu (silviu) ușoară

Clasa 9 Elemente de baza ale limbajului Operatori și expresii

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Detalii

Problema	sum	Operații I/O	sum.in/sum.out
Limita timp	1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#64948259	Utilizator	Dedu Răzvan - alt account (twilightsparklezz)
Fișier	sum.c	Dimensiune	193 B
Data încărcării	21 Iunie 2026, 02:00	Scor/rezultat	0 puncte

Evaluare

Mesaj compilare

sum.c: In function ‘main’:
sum.c:4:13: warning: passing argument 1 of ‘freopen’ from incompatible pointer type [-Wincompatible-pointer-types]
    4 |     freopen(stdin, "sum.in", "r");
      |             ^~~~~
      |             |
      |             FILE *
In file included from sum.c:1:
/usr/include/stdio.h:271:46: note: expected ‘const char * restrict’ but argument is of type ‘FILE *’
  271 | extern FILE *freopen (const char *__restrict __filename,
      |                       ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~
sum.c:4:30: warning: passing argument 3 of ‘freopen’ from incompatible pointer type [-Wincompatible-pointer-types]
    4 |     freopen(stdin, "sum.in", "r");
      |                              ^~~
      |                              |
      |                              char *
/usr/include/stdio.h:273:40: note: expected ‘FILE * restrict’ but argument is of type ‘char *’
  273 |                       FILE *__restrict __stream) __wur __nonnull ((3));
      |                       ~~~~~~~~~~~~~~~~~^~~~~~~~
sum.c:5:17: warning: passing argument 1 of ‘freopen’ from incompatible pointer type [-Wincompatible-pointer-types]
    5 |         freopen(stdout, "sum.out", "w");
      |                 ^~~~~~
      |                 |
      |                 FILE *
/usr/include/stdio.h:271:46: note: expected ‘const char * restrict’ but argument is of type ‘FILE *’
  271 | extern FILE *freopen (const char *__restrict __filename,
      |                       ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~
sum.c:5:36: warning: passing argument 3 of ‘freopen’ from incompatible pointer type [-Wincompatible-pointer-types]
    5 |         freopen(stdout, "sum.out", "w");
      |                                    ^~~
      |                                    |
      |                                    char *
/usr/include/stdio.h:273:40: note: expected ‘FILE * restrict’ but argument is of type ‘char *’
  273 |                       FILE *__restrict __stream) __wur __nonnull ((3));
      |                       ~~~~~~~~~~~~~~~~~^~~~~~~~
sum.c:4:5: warning: ignoring return value of ‘freopen’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
    4 |     freopen(stdin, "sum.in", "r");
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sum.c:5:9: warning: ignoring return value of ‘freopen’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
    5 |         freopen(stdout, "sum.out", "w");
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sum.c:7:5: warning: ignoring return value of ‘scanf’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
    7 |     scanf("%d %d", &a, &b);
      |     ^~~~~~~~~~~~~~~~~~~~~~

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