Borderou de evaluare (job #627419)

Compilare: main.cpp: In function 'int main()': main.cpp:40:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 40 | freopen("coborare.in", "r", stdin); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:41:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 41 | freopen("coborare.out", "w", stdout); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:43:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 43 | scanf("%d %d %d %d", &n, &m, &v, &c); | ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:47:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 47 | scanf("%d %d", &a, &b); | ~~~~~^~~~~~~~~~~~~~~~~