Borderou de evaluare (job #709000)

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("placa.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("placa.out", "w", stdout); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:13:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 13 | scanf("%d%d%d", &n,&m,&k); | ~~~~~^~~~~~~~~~~~~~~~~~~~ main.cpp:17:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 17 | scanf("%d%d", &n1,&n2); | ~~~~~^~~~~~~~~~~~~~~~~ main.cpp:43:9: warning: 'z' may be used uninitialized in this function [-Wmaybe-uninitialized] 43 | int z; | ^