Borderou de evaluare (job #784682)

Compilare: main.c: In function 'main': main.c:13:5: warning: ignoring return value of 'fscanf' declared with attribute 'warn_unused_result' [-Wunused-result] 13 | fscanf(fin, "%d%d", &n, &m); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from /usr/include/stdio.h:980, from main.c:1: In function 'fprintf', inlined from 'main' at main.c:60:5: /usr/include/bits/stdio2.h:79:10: warning: 'o1' may be used uninitialized [-Wmaybe-uninitialized] 79 | return __fprintf_chk (__stream, __USE_FORTIFY_LEVEL - 1, __fmt, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 80 | __va_arg_pack ()); | ~~~~~~~~~~~~~~~~~ main.c: In function 'main': main.c:12:15: note: 'o1' was declared here 12 | int n, m, o1, o2, o3, o4; | ^~ In function 'fprintf', inlined from 'main' at main.c:60:5: /usr/include/bits/stdio2.h:79:10: warning: 'o2' may be used uninitialized [-Wmaybe-uninitialized] 79 | return __fprintf_chk (__stream, __USE_FORTIFY_LEVEL - 1, __fmt, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 80 | __va_arg_pack ()); | ~~~~~~~~~~~~~~~~~ main.c: In function 'main': main.c:12:19: note: 'o2' was declared here 12 | int n, m, o1, o2, o3, o4; | ^~ In function 'fprintf', inlined from 'main' at main.c:60:5: /usr/include/bits/stdio2.h:79:10: warning: 'o3' may be used uninitialized [-Wmaybe-uninitialized] 79 | return __fprintf_chk (__stream, __USE_FORTIFY_LEVEL - 1, __fmt, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 80 | __va_arg_pack ()); | ~~~~~~~~~~~~~~~~~ main.c: In function 'main': main.c:12:23: note: 'o3' was declared here 12 | int n, m, o1, o2, o3, o4; | ^~ In function 'fprintf', inlined from 'main' at main.c:60:5: /usr/include/bits/stdio2.h:79:10: warning: 'o4' may be used uninitialized [-Wmaybe-uninitialized] 79 | return __fprintf_chk (__stream, __USE_FORTIFY_LEVEL - 1, __fmt, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 80 | __va_arg_pack ()); | ~~~~~~~~~~~~~~~~~ main.c: In function 'main': main.c:12:27: note: 'o4' was declared here 12 | int n, m, o1, o2, o3, o4; | ^~