Borderou de evaluare (job #52644)

Compilare: user.cpp: In function ‘void calcul()’: user.cpp:42:9: warning: unused variable ‘i’ [-Wunused-variable] user.cpp:42:11: warning: unused variable ‘j’ [-Wunused-variable] user.cpp:42:13: warning: unused variable ‘p’ [-Wunused-variable] user.cpp: In function ‘int main()’: user.cpp:48:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:49:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:51:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]