Borderou de evaluare (job #791820)

Compilare: main.cpp: In function 'int main()': main.cpp:49:20: warning: unused variable 'cr' [-Wunused-variable] 49 | double cr = modul(norm); | ^~ main.cpp:28:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 28 | freopen("cangurix.in", "r", stdin); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:29:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 29 | freopen("cangurix.out", "w", stdout); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:31:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 31 | scanf("%d", &n); | ~~~~~^~~~~~~~~~ main.cpp:32:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 32 | scanf("%lf", &R); | ~~~~~^~~~~~~~~~~ main.cpp:35:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 35 | scanf("%lf%lf", &a[i].x, &a[i].y); | ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~