Borderou de evaluare (job #4399)

Compilare: main.cpp: In function 'int main()': main.cpp:5:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 5 | freopen("paint.in","r", stdin); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~ main.cpp:6:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 6 | freopen("paint.out","w", stdout); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:9:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 9 | scanf("%d%d", &n,&m); | ~~~~~^~~~~~~~~~~~~~~ main.cpp:13:18: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 13 | scanf("%d", &k); | ~~~~~^~~~~~~~~~ main.cpp:17:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 17 | scanf("%d", &q); | ~~~~~^~~~~~~~~~ main.cpp:20:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 20 | scanf("%d%d%d%d", &l1, &c1,&l2,&c2); | ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~