Borderou de evaluare (job #812426)

Compilare: main.cpp: In function 'int main()': main.cpp:15:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 15 | freopen("extraterestri1.in", "r", stdin); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:16:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 16 | freopen("extraterestri1.out", "w", stdout); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:29:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 29 | scanf("%d %d %d %d %d", &x1, &y1, &x2, &y2, &nr); | ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:41:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 41 | scanf("%d", &a); | ~~~~~^~~~~~~~~~