Compilare: main.cpp: In function 'void fisier()': main.cpp:43:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("loterie.in" , "r", stdin); ^ main.cpp:44:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("loterie.out", "w", stdout); ^ main.cpp: In function 'void precalc()': main.cpp:23:12: warning: iteration 49999 invokes undefined behavior [-Waggressive-loop-optimizations] a[i][j] = contor; ~~~~~~~~^~~~~~~~ main.cpp:19:20: note: within this loop for(int j = 1; j <= 50000; j++) { ~~^~~~~~~~