Borderou de evaluare (job #364200)

Compilare: user.cpp: In function ‘int main()’: user.cpp:43:27: warning: unused variable ‘p1’ [-Wunused-variable] user.cpp:43:30: warning: unused variable ‘p2’ [-Wunused-variable] user.cpp:6:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:7:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:8:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:12:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:71:13: warning: ‘y1’ may be used uninitialized in this function [-Wuninitialized] user.cpp:71:13: warning: ‘j’ may be used uninitialized in this function [-Wuninitialized] user.cpp:69:9: warning: ‘x1’ may be used uninitialized in this function [-Wuninitialized]