Borderou de evaluare (job #54821)

Compilare: main.cpp: In function 'void test()': main.cpp:26:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 26 | scanf("%d%d%d%d",&l1,&c1,&l2,&c2); | ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void citire()': main.cpp:34:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 34 | freopen("paint.in","r",stdin); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:35:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 35 | freopen("paint.out","w",stdout); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:36:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 36 | scanf("%d%d",&n,&m); | ~~~~~^~~~~~~~~~~~~~ main.cpp:40:18: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 40 | scanf("%d",&nr); | ~~~~~^~~~~~~~~~ main.cpp:44:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 44 | scanf("%d",&nr_test); | ~~~~~^~~~~~~~~~~~~~~