Borderou de evaluare (job #578964)

Compilare: main.cpp: In function 'int main()': main.cpp:21:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] 21 | freopen("poteci.in", "r", stdin); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:23:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] 23 | freopen("poteci.out", "w", stdout); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:27:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] 27 | scanf("%d%d", &l, &c); | ~~~~~^~~~~~~~~~~~~~~~ main.cpp:33:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] 33 | scanf("%d", &mat[i][j]); | ~~~~~^~~~~~~~~~~~~~~~~~