Borderou de evaluare (job #143734)

Compilare: main.cpp: In function 'int main()': main.cpp:8:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 8 | freopen("paint.in","r",stdin); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:9:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 9 | freopen("paint.out","w",stdout); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:10:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 10 | 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",&mat[i][j]); | ~~~~~^~~~~~~~~~~~~~~~~ main.cpp:24:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 24 | scanf("%d",&q); | ~~~~~^~~~~~~~~ main.cpp:27:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 27 | scanf("%d%d%d%d",&l1,&c1,&l2,&c2); | ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~