Borderou de evaluare (job #26249)

Compilare: main.cpp: In function 'int main()': main.cpp:8:9: warning: unused variable 'i' [-Wunused-variable] 8 | int i,j,n; | ^ main.cpp:8:11: warning: unused variable 'j' [-Wunused-variable] 8 | int i,j,n; | ^ main.cpp:9:10: warning: unused variable 'c' [-Wunused-variable] 9 | char c; | ^ 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("romb.in","r",stdin); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~ main.cpp:11:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 11 | freopen("romb.out","w",stdout); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~ main.cpp:12:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 12 | scanf("%d",&n); | ~~~~~^~~~~~~~~