Borderou de evaluare (job #776567)

Compilare: main.cpp: In function 'int main()': main.cpp:6:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 6 | for(freopen("tastatura2.in","r",stdin),freopen("tastatura2.out","w",stdout),scanf("%d\n",&k);fgets(s,50000,stdin);) | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:6:51: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 6 | for(freopen("tastatura2.in","r",stdin),freopen("tastatura2.out","w",stdout),scanf("%d\n",&k);fgets(s,50000,stdin);) | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:6:86: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 6 | for(freopen("tastatura2.in","r",stdin),freopen("tastatura2.out","w",stdout),scanf("%d\n",&k);fgets(s,50000,stdin);) | ~~~~~^~~~~~~~~~~