Borderou de evaluare (job #175413)

Compilare: main.cpp: In function 'int main()': 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.in", "r", stdin); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:10:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 10 | freopen("paint.out", "w", stdout); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:11:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 11 | scanf("%d%d", &n, &m); | ~~~~~^~~~~~~~~~~~~~~~ main.cpp:16:18: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 16 | scanf("%d", &a[i][j]); | ~~~~~^~~~~~~~~~~~~~~~ main.cpp:25:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 25 | scanf("%d", &q);x=1001; | ~~~~~^~~~~~~~~~ main.cpp:28:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 28 | scanf("%d%d%d%d", &l1, &c1, &l2, &c2); | ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~