Borderou de evaluare (job #578948)

Compilare: main.cpp: In function 'int main()': main.cpp:18:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] 18 | freopen("poteci.in","r",stdin); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~ main.cpp:19:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] 19 | freopen("poteci.out","w",stdout); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:22:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] 22 | scanf("%lld%lld",&n,&m); | ~~~~~^~~~~~~~~~~~~~~~~~ main.cpp:26:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] 26 | scanf("%lld",&v[i][j]); | ~~~~~^~~~~~~~~~~~~~~~~